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targets/cmsis/TARGET_STM/TARGET_STM32L1/stm32l1xx_hal_opamp_ex.c@394:83f921546702, 2014-11-07 (annotated)
- Committer:
- mbed_official
- Date:
- Fri Nov 07 15:45:07 2014 +0000
- Revision:
- 394:83f921546702
- Parent:
- targets/cmsis/TARGET_STM/TARGET_NUCLEO_L152RE/stm32l1xx_hal_opamp_ex.c@354:e67efb2aab0e
Synchronized with git revision aab52cb7ec5a665869e507dd988bbfd55b7e087e
Full URL: https://github.com/mbedmicro/mbed/commit/aab52cb7ec5a665869e507dd988bbfd55b7e087e/
Tests: Fix cpputest testrunner
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 354:e67efb2aab0e | 1 | /** |
| mbed_official | 354:e67efb2aab0e | 2 | ****************************************************************************** |
| mbed_official | 354:e67efb2aab0e | 3 | * @file stm32l1xx_hal_opamp_ex.c |
| mbed_official | 354:e67efb2aab0e | 4 | * @author MCD Application Team |
| mbed_official | 354:e67efb2aab0e | 5 | * @version V1.0.0 |
| mbed_official | 354:e67efb2aab0e | 6 | * @date 5-September-2014 |
| mbed_official | 354:e67efb2aab0e | 7 | * @brief Extended OPAMP HAL module driver. |
| mbed_official | 354:e67efb2aab0e | 8 | * |
| mbed_official | 354:e67efb2aab0e | 9 | * This file provides firmware functions to manage the following |
| mbed_official | 354:e67efb2aab0e | 10 | * functionalities of the Power Controller (OPAMP) peripheral: |
| mbed_official | 354:e67efb2aab0e | 11 | * + Extended Initialization and de-initialization functions |
| mbed_official | 354:e67efb2aab0e | 12 | * + Extended Peripheral Control functions |
| mbed_official | 354:e67efb2aab0e | 13 | * |
| mbed_official | 354:e67efb2aab0e | 14 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 15 | ****************************************************************************** |
| mbed_official | 354:e67efb2aab0e | 16 | * @attention |
| mbed_official | 354:e67efb2aab0e | 17 | * |
| mbed_official | 354:e67efb2aab0e | 18 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
| mbed_official | 354:e67efb2aab0e | 19 | * |
| mbed_official | 354:e67efb2aab0e | 20 | * Redistribution and use in source and binary forms, with or without modification, |
| mbed_official | 354:e67efb2aab0e | 21 | * are permitted provided that the following conditions are met: |
| mbed_official | 354:e67efb2aab0e | 22 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 354:e67efb2aab0e | 23 | * this list of conditions and the following disclaimer. |
| mbed_official | 354:e67efb2aab0e | 24 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 354:e67efb2aab0e | 25 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 354:e67efb2aab0e | 26 | * and/or other materials provided with the distribution. |
| mbed_official | 354:e67efb2aab0e | 27 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 354:e67efb2aab0e | 28 | * may be used to endorse or promote products derived from this software |
| mbed_official | 354:e67efb2aab0e | 29 | * without specific prior written permission. |
| mbed_official | 354:e67efb2aab0e | 30 | * |
| mbed_official | 354:e67efb2aab0e | 31 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 354:e67efb2aab0e | 32 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 354:e67efb2aab0e | 33 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 354:e67efb2aab0e | 34 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 354:e67efb2aab0e | 35 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 354:e67efb2aab0e | 36 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 354:e67efb2aab0e | 37 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 354:e67efb2aab0e | 38 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 354:e67efb2aab0e | 39 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 354:e67efb2aab0e | 40 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 354:e67efb2aab0e | 41 | * |
| mbed_official | 354:e67efb2aab0e | 42 | ****************************************************************************** |
| mbed_official | 354:e67efb2aab0e | 43 | */ |
| mbed_official | 354:e67efb2aab0e | 44 | |
| mbed_official | 354:e67efb2aab0e | 45 | /* Includes ------------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 46 | #include "stm32l1xx_hal.h" |
| mbed_official | 354:e67efb2aab0e | 47 | |
| mbed_official | 354:e67efb2aab0e | 48 | /** @addtogroup STM32L1xx_HAL_Driver |
| mbed_official | 354:e67efb2aab0e | 49 | * @{ |
| mbed_official | 354:e67efb2aab0e | 50 | */ |
| mbed_official | 354:e67efb2aab0e | 51 | |
| mbed_official | 354:e67efb2aab0e | 52 | /** @defgroup OPAMPEx OPAMPEx |
| mbed_official | 354:e67efb2aab0e | 53 | * @brief OPAMP Extended HAL module driver. |
| mbed_official | 354:e67efb2aab0e | 54 | * @{ |
| mbed_official | 354:e67efb2aab0e | 55 | */ |
| mbed_official | 354:e67efb2aab0e | 56 | |
| mbed_official | 354:e67efb2aab0e | 57 | #ifdef HAL_OPAMP_MODULE_ENABLED |
| mbed_official | 354:e67efb2aab0e | 58 | |
| mbed_official | 354:e67efb2aab0e | 59 | #if defined (STM32L151xCA) || defined (STM32L151xD) || defined (STM32L152xCA) || defined (STM32L152xD) || defined (STM32L162xCA) || defined (STM32L162xD) || defined (STM32L151xE) || defined (STM32L152xE) || defined (STM32L162xE) || defined (STM32L162xC) || defined (STM32L152xC) || defined (STM32L151xC) |
| mbed_official | 354:e67efb2aab0e | 60 | |
| mbed_official | 354:e67efb2aab0e | 61 | /* Private typedef -----------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 62 | /* Private define ------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 63 | /* Private macro -------------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 64 | /* Private variables ---------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 65 | /* Private function prototypes -----------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 66 | /* Private functions ---------------------------------------------------------*/ |
| mbed_official | 354:e67efb2aab0e | 67 | |
| mbed_official | 354:e67efb2aab0e | 68 | /** @addtogroup OPAMPEx_Exported_Functions OPAMPEx Exported Functions |
| mbed_official | 354:e67efb2aab0e | 69 | * @{ |
| mbed_official | 354:e67efb2aab0e | 70 | */ |
| mbed_official | 354:e67efb2aab0e | 71 | |
| mbed_official | 354:e67efb2aab0e | 72 | /** @addtogroup OPAMPEx_Exported_Functions_Group1 |
| mbed_official | 354:e67efb2aab0e | 73 | * @brief Extended operation functions |
| mbed_official | 354:e67efb2aab0e | 74 | * |
| mbed_official | 354:e67efb2aab0e | 75 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 76 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 77 | ##### Extended IO operation functions ##### |
| mbed_official | 354:e67efb2aab0e | 78 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 79 | [..] |
| mbed_official | 354:e67efb2aab0e | 80 | (+) OPAMP Self calibration. |
| mbed_official | 354:e67efb2aab0e | 81 | |
| mbed_official | 354:e67efb2aab0e | 82 | @endverbatim |
| mbed_official | 354:e67efb2aab0e | 83 | * @{ |
| mbed_official | 354:e67efb2aab0e | 84 | */ |
| mbed_official | 354:e67efb2aab0e | 85 | |
| mbed_official | 354:e67efb2aab0e | 86 | #if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD) |
| mbed_official | 354:e67efb2aab0e | 87 | |
| mbed_official | 354:e67efb2aab0e | 88 | /* 3 OPAMPS available */ |
| mbed_official | 354:e67efb2aab0e | 89 | /* 3 OPAMPS can be calibrated in parallel */ |
| mbed_official | 354:e67efb2aab0e | 90 | |
| mbed_official | 354:e67efb2aab0e | 91 | /** |
| mbed_official | 354:e67efb2aab0e | 92 | * @brief Run the self calibration of the 3 OPAMPs in parallel. |
| mbed_official | 354:e67efb2aab0e | 93 | * @note Trimming values (PMOS & NMOS) are updated and user trimming is |
| mbed_official | 354:e67efb2aab0e | 94 | * enabled is calibration is succesful. |
| mbed_official | 354:e67efb2aab0e | 95 | * @note Calibration is performed in the mode specified in OPAMP init |
| mbed_official | 354:e67efb2aab0e | 96 | * structure (mode normal or low-power). To perform calibration for |
| mbed_official | 354:e67efb2aab0e | 97 | * both modes, repeat this function twice after OPAMP init structure |
| mbed_official | 354:e67efb2aab0e | 98 | * accordingly updated. |
| mbed_official | 354:e67efb2aab0e | 99 | * @note Calibration runs about 10 ms (5 dichotmy steps, repeated for P |
| mbed_official | 354:e67efb2aab0e | 100 | * and N transistors: 10 steps with 1 ms for each step). |
| mbed_official | 354:e67efb2aab0e | 101 | * @param hopamp1 handle |
| mbed_official | 354:e67efb2aab0e | 102 | * @param hopamp2 handle |
| mbed_official | 354:e67efb2aab0e | 103 | * @param hopamp3 handle |
| mbed_official | 354:e67efb2aab0e | 104 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 105 | */ |
| mbed_official | 354:e67efb2aab0e | 106 | HAL_StatusTypeDef HAL_OPAMPEx_SelfCalibrateAll(OPAMP_HandleTypeDef *hopamp1, OPAMP_HandleTypeDef *hopamp2, OPAMP_HandleTypeDef *hopamp3) |
| mbed_official | 354:e67efb2aab0e | 107 | { |
| mbed_official | 354:e67efb2aab0e | 108 | HAL_StatusTypeDef status = HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 109 | |
| mbed_official | 354:e67efb2aab0e | 110 | uint32_t* opamp1_trimmingvalue = 0; |
| mbed_official | 354:e67efb2aab0e | 111 | uint32_t opamp1_trimmingvaluen = 0; |
| mbed_official | 354:e67efb2aab0e | 112 | uint32_t opamp1_trimmingvaluep = 0; |
| mbed_official | 354:e67efb2aab0e | 113 | |
| mbed_official | 354:e67efb2aab0e | 114 | uint32_t* opamp2_trimmingvalue = 0; |
| mbed_official | 354:e67efb2aab0e | 115 | uint32_t opamp2_trimmingvaluen = 0; |
| mbed_official | 354:e67efb2aab0e | 116 | uint32_t opamp2_trimmingvaluep = 0; |
| mbed_official | 354:e67efb2aab0e | 117 | |
| mbed_official | 354:e67efb2aab0e | 118 | uint32_t* opamp3_trimmingvalue = 0; |
| mbed_official | 354:e67efb2aab0e | 119 | uint32_t opamp3_trimmingvaluen = 0; |
| mbed_official | 354:e67efb2aab0e | 120 | uint32_t opamp3_trimmingvaluep = 0; |
| mbed_official | 354:e67efb2aab0e | 121 | |
| mbed_official | 354:e67efb2aab0e | 122 | uint32_t trimming_diff_pair = 0; /* Selection of differential transistors pair high or low */ |
| mbed_official | 354:e67efb2aab0e | 123 | |
| mbed_official | 354:e67efb2aab0e | 124 | __IO uint32_t* tmp_opamp1_reg_trimming; /* Selection of register of trimming depending on power mode: OTR or LPOTR */ |
| mbed_official | 354:e67efb2aab0e | 125 | __IO uint32_t* tmp_opamp2_reg_trimming; |
| mbed_official | 354:e67efb2aab0e | 126 | __IO uint32_t* tmp_opamp3_reg_trimming; |
| mbed_official | 354:e67efb2aab0e | 127 | uint32_t tmp_opamp1_otr_otuser = 0; /* Selection of bit OPAMP_OTR_OT_USER depending on trimming register pointed: OTR or LPOTR */ |
| mbed_official | 354:e67efb2aab0e | 128 | uint32_t tmp_opamp2_otr_otuser = 0; |
| mbed_official | 354:e67efb2aab0e | 129 | uint32_t tmp_opamp3_otr_otuser = 0; |
| mbed_official | 354:e67efb2aab0e | 130 | |
| mbed_official | 354:e67efb2aab0e | 131 | uint32_t tmp_Opa1calout_DefaultSate = 0; /* Bit OPAMP_CSR_OPA1CALOUT default state when trimming value is 00000b. Used to detect the bit toggling */ |
| mbed_official | 354:e67efb2aab0e | 132 | uint32_t tmp_Opa2calout_DefaultSate = 0; /* Bit OPAMP_CSR_OPA2CALOUT default state when trimming value is 00000b. Used to detect the bit toggling */ |
| mbed_official | 354:e67efb2aab0e | 133 | uint32_t tmp_Opa3calout_DefaultSate = 0; /* Bit OPAMP_CSR_OPA3CALOUT default state when trimming value is 00000b. Used to detect the bit toggling */ |
| mbed_official | 354:e67efb2aab0e | 134 | |
| mbed_official | 354:e67efb2aab0e | 135 | uint32_t tmp_OpaxSwitchesContextBackup = 0; |
| mbed_official | 354:e67efb2aab0e | 136 | |
| mbed_official | 354:e67efb2aab0e | 137 | uint8_t trimming_diff_pair_iteration_count = 0; |
| mbed_official | 354:e67efb2aab0e | 138 | uint8_t delta = 0; |
| mbed_official | 354:e67efb2aab0e | 139 | |
| mbed_official | 354:e67efb2aab0e | 140 | |
| mbed_official | 354:e67efb2aab0e | 141 | /* Check the OPAMP handle allocation */ |
| mbed_official | 354:e67efb2aab0e | 142 | /* Check if OPAMP locked */ |
| mbed_official | 354:e67efb2aab0e | 143 | if((hopamp1 == HAL_NULL) || (hopamp1->State == HAL_OPAMP_STATE_BUSYLOCKED) || |
| mbed_official | 354:e67efb2aab0e | 144 | (hopamp2 == HAL_NULL) || (hopamp2->State == HAL_OPAMP_STATE_BUSYLOCKED) || |
| mbed_official | 354:e67efb2aab0e | 145 | (hopamp3 == HAL_NULL) || (hopamp3->State == HAL_OPAMP_STATE_BUSYLOCKED) ) |
| mbed_official | 354:e67efb2aab0e | 146 | { |
| mbed_official | 354:e67efb2aab0e | 147 | status = HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 148 | } |
| mbed_official | 354:e67efb2aab0e | 149 | else |
| mbed_official | 354:e67efb2aab0e | 150 | { |
| mbed_official | 354:e67efb2aab0e | 151 | |
| mbed_official | 354:e67efb2aab0e | 152 | /* Check if OPAMP in calibration mode and calibration not yet enable */ |
| mbed_official | 354:e67efb2aab0e | 153 | if((hopamp1->State == HAL_OPAMP_STATE_READY) && |
| mbed_official | 354:e67efb2aab0e | 154 | (hopamp2->State == HAL_OPAMP_STATE_READY) && |
| mbed_official | 354:e67efb2aab0e | 155 | (hopamp3->State == HAL_OPAMP_STATE_READY) ) |
| mbed_official | 354:e67efb2aab0e | 156 | { |
| mbed_official | 354:e67efb2aab0e | 157 | /* Check the parameter */ |
| mbed_official | 354:e67efb2aab0e | 158 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp1->Instance)); |
| mbed_official | 354:e67efb2aab0e | 159 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp2->Instance)); |
| mbed_official | 354:e67efb2aab0e | 160 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp3->Instance)); |
| mbed_official | 354:e67efb2aab0e | 161 | assert_param(IS_OPAMP_POWERMODE(hopamp1->Init.PowerMode)); |
| mbed_official | 354:e67efb2aab0e | 162 | assert_param(IS_OPAMP_POWERMODE(hopamp2->Init.PowerMode)); |
| mbed_official | 354:e67efb2aab0e | 163 | assert_param(IS_OPAMP_POWERMODE(hopamp3->Init.PowerMode)); |
| mbed_official | 354:e67efb2aab0e | 164 | |
| mbed_official | 354:e67efb2aab0e | 165 | /* Update OPAMP state */ |
| mbed_official | 354:e67efb2aab0e | 166 | hopamp1->State = HAL_OPAMP_STATE_CALIBBUSY; |
| mbed_official | 354:e67efb2aab0e | 167 | hopamp2->State = HAL_OPAMP_STATE_CALIBBUSY; |
| mbed_official | 354:e67efb2aab0e | 168 | hopamp3->State = HAL_OPAMP_STATE_CALIBBUSY; |
| mbed_official | 354:e67efb2aab0e | 169 | |
| mbed_official | 354:e67efb2aab0e | 170 | /* Backup of switches configuration to restore it at the end of the */ |
| mbed_official | 354:e67efb2aab0e | 171 | /* calibration. */ |
| mbed_official | 354:e67efb2aab0e | 172 | tmp_OpaxSwitchesContextBackup = READ_BIT(OPAMP->CSR, OPAMP_CSR_ALL_SWITCHES_ALL_OPAMPS); |
| mbed_official | 354:e67efb2aab0e | 173 | |
| mbed_official | 354:e67efb2aab0e | 174 | /* Open all switches on non-inverting input, inverting input and output */ |
| mbed_official | 354:e67efb2aab0e | 175 | /* feedback. */ |
| mbed_official | 354:e67efb2aab0e | 176 | CLEAR_BIT(OPAMP->CSR, OPAMP_CSR_ALL_SWITCHES_ALL_OPAMPS); |
| mbed_official | 354:e67efb2aab0e | 177 | |
| mbed_official | 354:e67efb2aab0e | 178 | /* Set calibration mode to user programmed trimming values */ |
| mbed_official | 354:e67efb2aab0e | 179 | SET_BIT(OPAMP->OTR, OPAMP_OTR_OT_USER); |
| mbed_official | 354:e67efb2aab0e | 180 | |
| mbed_official | 354:e67efb2aab0e | 181 | /* Select trimming settings depending on power mode */ |
| mbed_official | 354:e67efb2aab0e | 182 | if (hopamp1->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
| mbed_official | 354:e67efb2aab0e | 183 | { |
| mbed_official | 354:e67efb2aab0e | 184 | tmp_opamp1_otr_otuser = OPAMP_OTR_OT_USER; |
| mbed_official | 354:e67efb2aab0e | 185 | tmp_opamp1_reg_trimming = &OPAMP->OTR; |
| mbed_official | 354:e67efb2aab0e | 186 | } |
| mbed_official | 354:e67efb2aab0e | 187 | else |
| mbed_official | 354:e67efb2aab0e | 188 | { |
| mbed_official | 354:e67efb2aab0e | 189 | tmp_opamp1_otr_otuser = 0x00000000; |
| mbed_official | 354:e67efb2aab0e | 190 | tmp_opamp1_reg_trimming = &OPAMP->LPOTR; |
| mbed_official | 354:e67efb2aab0e | 191 | } |
| mbed_official | 354:e67efb2aab0e | 192 | |
| mbed_official | 354:e67efb2aab0e | 193 | if (hopamp2->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
| mbed_official | 354:e67efb2aab0e | 194 | { |
| mbed_official | 354:e67efb2aab0e | 195 | tmp_opamp2_otr_otuser = OPAMP_OTR_OT_USER; |
| mbed_official | 354:e67efb2aab0e | 196 | tmp_opamp2_reg_trimming = &OPAMP->OTR; |
| mbed_official | 354:e67efb2aab0e | 197 | } |
| mbed_official | 354:e67efb2aab0e | 198 | else |
| mbed_official | 354:e67efb2aab0e | 199 | { |
| mbed_official | 354:e67efb2aab0e | 200 | tmp_opamp2_otr_otuser = 0x00000000; |
| mbed_official | 354:e67efb2aab0e | 201 | tmp_opamp2_reg_trimming = &OPAMP->LPOTR; |
| mbed_official | 354:e67efb2aab0e | 202 | } |
| mbed_official | 354:e67efb2aab0e | 203 | |
| mbed_official | 354:e67efb2aab0e | 204 | if (hopamp3->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
| mbed_official | 354:e67efb2aab0e | 205 | { |
| mbed_official | 354:e67efb2aab0e | 206 | tmp_opamp3_otr_otuser = OPAMP_OTR_OT_USER; |
| mbed_official | 354:e67efb2aab0e | 207 | tmp_opamp3_reg_trimming = &OPAMP->OTR; |
| mbed_official | 354:e67efb2aab0e | 208 | } |
| mbed_official | 354:e67efb2aab0e | 209 | else |
| mbed_official | 354:e67efb2aab0e | 210 | { |
| mbed_official | 354:e67efb2aab0e | 211 | tmp_opamp3_otr_otuser = 0x00000000; |
| mbed_official | 354:e67efb2aab0e | 212 | tmp_opamp3_reg_trimming = &OPAMP->LPOTR; |
| mbed_official | 354:e67efb2aab0e | 213 | } |
| mbed_official | 354:e67efb2aab0e | 214 | |
| mbed_official | 354:e67efb2aab0e | 215 | /* Enable the selected opamp */ |
| mbed_official | 354:e67efb2aab0e | 216 | CLEAR_BIT (OPAMP->CSR, OPAMP_CSR_OPAXPD_ALL); |
| mbed_official | 354:e67efb2aab0e | 217 | |
| mbed_official | 354:e67efb2aab0e | 218 | /* Perform trimming for both differential transistors pair high and low */ |
| mbed_official | 354:e67efb2aab0e | 219 | for (trimming_diff_pair_iteration_count = 0; trimming_diff_pair_iteration_count <=1; trimming_diff_pair_iteration_count++) |
| mbed_official | 354:e67efb2aab0e | 220 | { |
| mbed_official | 354:e67efb2aab0e | 221 | if (trimming_diff_pair_iteration_count == 0) |
| mbed_official | 354:e67efb2aab0e | 222 | { |
| mbed_official | 354:e67efb2aab0e | 223 | /* Calibration of transistors differential pair high (NMOS) */ |
| mbed_official | 354:e67efb2aab0e | 224 | trimming_diff_pair = OPAMP_FACTORYTRIMMING_N; |
| mbed_official | 354:e67efb2aab0e | 225 | opamp1_trimmingvalue = &opamp1_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 226 | opamp2_trimmingvalue = &opamp2_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 227 | opamp3_trimmingvalue = &opamp3_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 228 | |
| mbed_official | 354:e67efb2aab0e | 229 | /* Set bit OPAMP_CSR_OPAXCALOUT default state when trimming value */ |
| mbed_official | 354:e67efb2aab0e | 230 | /* is 00000b. Used to detect the bit toggling during trimming. */ |
| mbed_official | 354:e67efb2aab0e | 231 | tmp_Opa1calout_DefaultSate = RESET; |
| mbed_official | 354:e67efb2aab0e | 232 | tmp_Opa2calout_DefaultSate = RESET; |
| mbed_official | 354:e67efb2aab0e | 233 | tmp_Opa3calout_DefaultSate = RESET; |
| mbed_official | 354:e67efb2aab0e | 234 | |
| mbed_official | 354:e67efb2aab0e | 235 | /* Enable calibration for N differential pair */ |
| mbed_official | 354:e67efb2aab0e | 236 | MODIFY_REG(OPAMP->CSR, OPAMP_CSR_OPAXCAL_L_ALL, |
| mbed_official | 354:e67efb2aab0e | 237 | OPAMP_CSR_OPAXCAL_H_ALL); |
| mbed_official | 354:e67efb2aab0e | 238 | } |
| mbed_official | 354:e67efb2aab0e | 239 | else /* (trimming_diff_pair_iteration_count == 1) */ |
| mbed_official | 354:e67efb2aab0e | 240 | { |
| mbed_official | 354:e67efb2aab0e | 241 | /* Calibration of transistors differential pair low (PMOS) */ |
| mbed_official | 354:e67efb2aab0e | 242 | trimming_diff_pair = OPAMP_FACTORYTRIMMING_P; |
| mbed_official | 354:e67efb2aab0e | 243 | opamp1_trimmingvalue = &opamp1_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 244 | opamp2_trimmingvalue = &opamp2_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 245 | opamp3_trimmingvalue = &opamp3_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 246 | |
| mbed_official | 354:e67efb2aab0e | 247 | /* Set bit OPAMP_CSR_OPAXCALOUT default state when trimming value */ |
| mbed_official | 354:e67efb2aab0e | 248 | /* is 00000b. Used to detect the bit toggling during trimming. */ |
| mbed_official | 354:e67efb2aab0e | 249 | tmp_Opa1calout_DefaultSate = __OPAMP_CSR_OPAXCALOUT(hopamp1); |
| mbed_official | 354:e67efb2aab0e | 250 | tmp_Opa2calout_DefaultSate = __OPAMP_CSR_OPAXCALOUT(hopamp2); |
| mbed_official | 354:e67efb2aab0e | 251 | tmp_Opa3calout_DefaultSate = __OPAMP_CSR_OPAXCALOUT(hopamp3); |
| mbed_official | 354:e67efb2aab0e | 252 | |
| mbed_official | 354:e67efb2aab0e | 253 | /* Enable calibration for P differential pair */ |
| mbed_official | 354:e67efb2aab0e | 254 | MODIFY_REG(OPAMP->CSR, OPAMP_CSR_OPAXCAL_H_ALL, |
| mbed_official | 354:e67efb2aab0e | 255 | OPAMP_CSR_OPAXCAL_L_ALL); |
| mbed_official | 354:e67efb2aab0e | 256 | } |
| mbed_official | 354:e67efb2aab0e | 257 | |
| mbed_official | 354:e67efb2aab0e | 258 | |
| mbed_official | 354:e67efb2aab0e | 259 | /* Perform calibration parameter search by dichotomy sweep */ |
| mbed_official | 354:e67efb2aab0e | 260 | /* - Delta initial value 16: for 5 dichotomy steps: 16 for the */ |
| mbed_official | 354:e67efb2aab0e | 261 | /* initial range, then successive delta sweeps (8, 4, 2, 1). */ |
| mbed_official | 354:e67efb2aab0e | 262 | /* can extend the search range to +/- 15 units. */ |
| mbed_official | 354:e67efb2aab0e | 263 | /* - Trimming initial value 15: search range will go from 0 to 30 */ |
| mbed_official | 354:e67efb2aab0e | 264 | /* (Trimming value 31 is forbidden). */ |
| mbed_official | 354:e67efb2aab0e | 265 | *opamp1_trimmingvalue = 15; |
| mbed_official | 354:e67efb2aab0e | 266 | *opamp2_trimmingvalue = 15; |
| mbed_official | 354:e67efb2aab0e | 267 | *opamp3_trimmingvalue = 15; |
| mbed_official | 354:e67efb2aab0e | 268 | delta = 16; |
| mbed_official | 354:e67efb2aab0e | 269 | |
| mbed_official | 354:e67efb2aab0e | 270 | while (delta != 0) |
| mbed_official | 354:e67efb2aab0e | 271 | { |
| mbed_official | 354:e67efb2aab0e | 272 | /* Set candidate trimming */ |
| mbed_official | 354:e67efb2aab0e | 273 | |
| mbed_official | 354:e67efb2aab0e | 274 | MODIFY_REG(*tmp_opamp1_reg_trimming, __OPAMP_OFFSET_TRIM_SET(hopamp1, trimming_diff_pair, OPAMP_TRIM_VALUE_MASK) , |
| mbed_official | 354:e67efb2aab0e | 275 | __OPAMP_OFFSET_TRIM_SET(hopamp1, trimming_diff_pair, *opamp1_trimmingvalue) | tmp_opamp1_otr_otuser); |
| mbed_official | 354:e67efb2aab0e | 276 | |
| mbed_official | 354:e67efb2aab0e | 277 | MODIFY_REG(*tmp_opamp2_reg_trimming, __OPAMP_OFFSET_TRIM_SET(hopamp2, trimming_diff_pair, OPAMP_TRIM_VALUE_MASK) , |
| mbed_official | 354:e67efb2aab0e | 278 | __OPAMP_OFFSET_TRIM_SET(hopamp2, trimming_diff_pair, *opamp2_trimmingvalue) | tmp_opamp2_otr_otuser); |
| mbed_official | 354:e67efb2aab0e | 279 | |
| mbed_official | 354:e67efb2aab0e | 280 | MODIFY_REG(*tmp_opamp3_reg_trimming, __OPAMP_OFFSET_TRIM_SET(hopamp3, trimming_diff_pair, OPAMP_TRIM_VALUE_MASK) , |
| mbed_official | 354:e67efb2aab0e | 281 | __OPAMP_OFFSET_TRIM_SET(hopamp3, trimming_diff_pair, *opamp3_trimmingvalue) | tmp_opamp3_otr_otuser); |
| mbed_official | 354:e67efb2aab0e | 282 | |
| mbed_official | 354:e67efb2aab0e | 283 | |
| mbed_official | 354:e67efb2aab0e | 284 | /* Offset trimming time: during calibration, minimum time needed */ |
| mbed_official | 354:e67efb2aab0e | 285 | /* between two steps to have 1 mV accuracy. */ |
| mbed_official | 354:e67efb2aab0e | 286 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
| mbed_official | 354:e67efb2aab0e | 287 | |
| mbed_official | 354:e67efb2aab0e | 288 | /* Divide range by 2 to continue dichotomy sweep */ |
| mbed_official | 354:e67efb2aab0e | 289 | delta >>= 1; |
| mbed_official | 354:e67efb2aab0e | 290 | |
| mbed_official | 354:e67efb2aab0e | 291 | /* Set trimming values for next iteration in function of trimming */ |
| mbed_official | 354:e67efb2aab0e | 292 | /* result toggle (versus initial state). */ |
| mbed_official | 354:e67efb2aab0e | 293 | /* Trimming values update with dichotomy delta of previous */ |
| mbed_official | 354:e67efb2aab0e | 294 | /* iteration. */ |
| mbed_official | 354:e67efb2aab0e | 295 | if (READ_BIT(OPAMP->CSR, __OPAMP_CSR_OPAXCALOUT(hopamp1)) != tmp_Opa1calout_DefaultSate) |
| mbed_official | 354:e67efb2aab0e | 296 | { |
| mbed_official | 354:e67efb2aab0e | 297 | /* If calibration output is has toggled, try lower trimming */ |
| mbed_official | 354:e67efb2aab0e | 298 | *opamp1_trimmingvalue -= delta; |
| mbed_official | 354:e67efb2aab0e | 299 | } |
| mbed_official | 354:e67efb2aab0e | 300 | else |
| mbed_official | 354:e67efb2aab0e | 301 | { |
| mbed_official | 354:e67efb2aab0e | 302 | /* If calibration output is has not toggled, try higher trimming */ |
| mbed_official | 354:e67efb2aab0e | 303 | *opamp1_trimmingvalue += delta; |
| mbed_official | 354:e67efb2aab0e | 304 | } |
| mbed_official | 354:e67efb2aab0e | 305 | |
| mbed_official | 354:e67efb2aab0e | 306 | /* Set trimming values for next iteration in function of trimming */ |
| mbed_official | 354:e67efb2aab0e | 307 | /* result toggle (versus initial state). */ |
| mbed_official | 354:e67efb2aab0e | 308 | /* Trimming values update with dichotomy delta of previous */ |
| mbed_official | 354:e67efb2aab0e | 309 | /* iteration. */ |
| mbed_official | 354:e67efb2aab0e | 310 | if (READ_BIT(OPAMP->CSR, __OPAMP_CSR_OPAXCALOUT(hopamp2)) != tmp_Opa2calout_DefaultSate) |
| mbed_official | 354:e67efb2aab0e | 311 | { |
| mbed_official | 354:e67efb2aab0e | 312 | /* If calibration output is has toggled, try lower trimming */ |
| mbed_official | 354:e67efb2aab0e | 313 | *opamp2_trimmingvalue -= delta; |
| mbed_official | 354:e67efb2aab0e | 314 | } |
| mbed_official | 354:e67efb2aab0e | 315 | else |
| mbed_official | 354:e67efb2aab0e | 316 | { |
| mbed_official | 354:e67efb2aab0e | 317 | /* If calibration output is has not toggled, try higher trimming */ |
| mbed_official | 354:e67efb2aab0e | 318 | *opamp2_trimmingvalue += delta; |
| mbed_official | 354:e67efb2aab0e | 319 | } |
| mbed_official | 354:e67efb2aab0e | 320 | |
| mbed_official | 354:e67efb2aab0e | 321 | /* Set trimming values for next iteration in function of trimming */ |
| mbed_official | 354:e67efb2aab0e | 322 | /* result toggle (versus initial state). */ |
| mbed_official | 354:e67efb2aab0e | 323 | /* Trimming values update with dichotomy delta of previous */ |
| mbed_official | 354:e67efb2aab0e | 324 | /* iteration. */ |
| mbed_official | 354:e67efb2aab0e | 325 | if (READ_BIT(OPAMP->CSR, __OPAMP_CSR_OPAXCALOUT(hopamp3)) != tmp_Opa3calout_DefaultSate) |
| mbed_official | 354:e67efb2aab0e | 326 | { |
| mbed_official | 354:e67efb2aab0e | 327 | /* If calibration output is has toggled, try lower trimming */ |
| mbed_official | 354:e67efb2aab0e | 328 | *opamp3_trimmingvalue -= delta; |
| mbed_official | 354:e67efb2aab0e | 329 | } |
| mbed_official | 354:e67efb2aab0e | 330 | else |
| mbed_official | 354:e67efb2aab0e | 331 | { |
| mbed_official | 354:e67efb2aab0e | 332 | /* If calibration output is has not toggled, try higher trimming */ |
| mbed_official | 354:e67efb2aab0e | 333 | *opamp3_trimmingvalue += delta; |
| mbed_official | 354:e67efb2aab0e | 334 | } |
| mbed_official | 354:e67efb2aab0e | 335 | |
| mbed_official | 354:e67efb2aab0e | 336 | } |
| mbed_official | 354:e67efb2aab0e | 337 | } |
| mbed_official | 354:e67efb2aab0e | 338 | |
| mbed_official | 354:e67efb2aab0e | 339 | |
| mbed_official | 354:e67efb2aab0e | 340 | /* Disable calibration for P and N differential pairs */ |
| mbed_official | 354:e67efb2aab0e | 341 | /* Disable the selected opamp */ |
| mbed_official | 354:e67efb2aab0e | 342 | CLEAR_BIT (OPAMP->CSR, (OPAMP_CSR_OPAXCAL_H_ALL | |
| mbed_official | 354:e67efb2aab0e | 343 | OPAMP_CSR_OPAXCAL_L_ALL | |
| mbed_official | 354:e67efb2aab0e | 344 | OPAMP_CSR_OPAXPD_ALL )); |
| mbed_official | 354:e67efb2aab0e | 345 | |
| mbed_official | 354:e67efb2aab0e | 346 | /* Backup of switches configuration to restore it at the end of the */ |
| mbed_official | 354:e67efb2aab0e | 347 | /* calibration. */ |
| mbed_official | 354:e67efb2aab0e | 348 | SET_BIT(OPAMP->CSR, tmp_OpaxSwitchesContextBackup); |
| mbed_official | 354:e67efb2aab0e | 349 | |
| mbed_official | 354:e67efb2aab0e | 350 | /* Self calibration is successful */ |
| mbed_official | 354:e67efb2aab0e | 351 | /* Store calibration (user trimming) results in init structure. */ |
| mbed_official | 354:e67efb2aab0e | 352 | |
| mbed_official | 354:e67efb2aab0e | 353 | /* Set user trimming mode */ |
| mbed_official | 354:e67efb2aab0e | 354 | hopamp1->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| mbed_official | 354:e67efb2aab0e | 355 | hopamp2->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| mbed_official | 354:e67efb2aab0e | 356 | hopamp3->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| mbed_official | 354:e67efb2aab0e | 357 | |
| mbed_official | 354:e67efb2aab0e | 358 | /* Affect calibration parameters depending on mode normal/low power */ |
| mbed_official | 354:e67efb2aab0e | 359 | if (hopamp1->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
| mbed_official | 354:e67efb2aab0e | 360 | { |
| mbed_official | 354:e67efb2aab0e | 361 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 362 | hopamp1->Init.TrimmingValueN = opamp1_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 363 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 364 | hopamp1->Init.TrimmingValueP = opamp1_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 365 | } |
| mbed_official | 354:e67efb2aab0e | 366 | else |
| mbed_official | 354:e67efb2aab0e | 367 | { |
| mbed_official | 354:e67efb2aab0e | 368 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 369 | hopamp1->Init.TrimmingValueNLowPower = opamp1_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 370 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 371 | hopamp1->Init.TrimmingValuePLowPower = opamp1_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 372 | } |
| mbed_official | 354:e67efb2aab0e | 373 | |
| mbed_official | 354:e67efb2aab0e | 374 | if (hopamp2->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
| mbed_official | 354:e67efb2aab0e | 375 | { |
| mbed_official | 354:e67efb2aab0e | 376 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 377 | hopamp2->Init.TrimmingValueN = opamp2_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 378 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 379 | hopamp2->Init.TrimmingValueP = opamp2_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 380 | } |
| mbed_official | 354:e67efb2aab0e | 381 | else |
| mbed_official | 354:e67efb2aab0e | 382 | { |
| mbed_official | 354:e67efb2aab0e | 383 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 384 | hopamp2->Init.TrimmingValueNLowPower = opamp2_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 385 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 386 | hopamp2->Init.TrimmingValuePLowPower = opamp2_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 387 | } |
| mbed_official | 354:e67efb2aab0e | 388 | |
| mbed_official | 354:e67efb2aab0e | 389 | if (hopamp3->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
| mbed_official | 354:e67efb2aab0e | 390 | { |
| mbed_official | 354:e67efb2aab0e | 391 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 392 | hopamp3->Init.TrimmingValueN = opamp3_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 393 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 394 | hopamp3->Init.TrimmingValueP = opamp3_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 395 | } |
| mbed_official | 354:e67efb2aab0e | 396 | else |
| mbed_official | 354:e67efb2aab0e | 397 | { |
| mbed_official | 354:e67efb2aab0e | 398 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 399 | hopamp3->Init.TrimmingValueNLowPower = opamp3_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 400 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 401 | hopamp3->Init.TrimmingValuePLowPower = opamp3_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 402 | } |
| mbed_official | 354:e67efb2aab0e | 403 | |
| mbed_official | 354:e67efb2aab0e | 404 | /* Update OPAMP state */ |
| mbed_official | 354:e67efb2aab0e | 405 | hopamp1->State = HAL_OPAMP_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 406 | hopamp2->State = HAL_OPAMP_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 407 | hopamp3->State = HAL_OPAMP_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 408 | |
| mbed_official | 354:e67efb2aab0e | 409 | } |
| mbed_official | 354:e67efb2aab0e | 410 | else |
| mbed_official | 354:e67efb2aab0e | 411 | { |
| mbed_official | 354:e67efb2aab0e | 412 | /* OPAMP can not be calibrated from this mode */ |
| mbed_official | 354:e67efb2aab0e | 413 | status = HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 414 | } |
| mbed_official | 354:e67efb2aab0e | 415 | } |
| mbed_official | 354:e67efb2aab0e | 416 | |
| mbed_official | 354:e67efb2aab0e | 417 | return status; |
| mbed_official | 354:e67efb2aab0e | 418 | } |
| mbed_official | 354:e67efb2aab0e | 419 | |
| mbed_official | 354:e67efb2aab0e | 420 | #else |
| mbed_official | 354:e67efb2aab0e | 421 | |
| mbed_official | 354:e67efb2aab0e | 422 | /* 2 OPAMPS available */ |
| mbed_official | 354:e67efb2aab0e | 423 | /* 2 OPAMPS can be calibrated in parallel */ |
| mbed_official | 354:e67efb2aab0e | 424 | |
| mbed_official | 354:e67efb2aab0e | 425 | /** |
| mbed_official | 354:e67efb2aab0e | 426 | * @brief Run the self calibration of the 2 OPAMPs in parallel. |
| mbed_official | 354:e67efb2aab0e | 427 | * @note Trimming values (PMOS & NMOS) are updated and user trimming is |
| mbed_official | 354:e67efb2aab0e | 428 | * enabled is calibration is succesful. |
| mbed_official | 354:e67efb2aab0e | 429 | * @note Calibration is performed in the mode specified in OPAMP init |
| mbed_official | 354:e67efb2aab0e | 430 | * structure (mode normal or low-power). To perform calibration for |
| mbed_official | 354:e67efb2aab0e | 431 | * both modes, repeat this function twice after OPAMP init structure |
| mbed_official | 354:e67efb2aab0e | 432 | * accordingly updated. |
| mbed_official | 354:e67efb2aab0e | 433 | * @note Calibration runs about 10 ms (5 dichotmy steps, repeated for P |
| mbed_official | 354:e67efb2aab0e | 434 | * and N transistors: 10 steps with 1 ms for each step). |
| mbed_official | 354:e67efb2aab0e | 435 | * @param hopamp1 handle |
| mbed_official | 354:e67efb2aab0e | 436 | * @param hopamp2 handle |
| mbed_official | 354:e67efb2aab0e | 437 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 438 | */ |
| mbed_official | 354:e67efb2aab0e | 439 | HAL_StatusTypeDef HAL_OPAMPEx_SelfCalibrateAll(OPAMP_HandleTypeDef *hopamp1, OPAMP_HandleTypeDef *hopamp2) |
| mbed_official | 354:e67efb2aab0e | 440 | { |
| mbed_official | 354:e67efb2aab0e | 441 | HAL_StatusTypeDef status = HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 442 | |
| mbed_official | 354:e67efb2aab0e | 443 | uint32_t* opamp1_trimmingvalue = 0; |
| mbed_official | 354:e67efb2aab0e | 444 | uint32_t opamp1_trimmingvaluen = 0; |
| mbed_official | 354:e67efb2aab0e | 445 | uint32_t opamp1_trimmingvaluep = 0; |
| mbed_official | 354:e67efb2aab0e | 446 | |
| mbed_official | 354:e67efb2aab0e | 447 | uint32_t* opamp2_trimmingvalue = 0; |
| mbed_official | 354:e67efb2aab0e | 448 | uint32_t opamp2_trimmingvaluen = 0; |
| mbed_official | 354:e67efb2aab0e | 449 | uint32_t opamp2_trimmingvaluep = 0; |
| mbed_official | 354:e67efb2aab0e | 450 | |
| mbed_official | 354:e67efb2aab0e | 451 | uint32_t trimming_diff_pair = 0; /* Selection of differential transistors pair high or low */ |
| mbed_official | 354:e67efb2aab0e | 452 | |
| mbed_official | 354:e67efb2aab0e | 453 | __IO uint32_t* tmp_opamp1_reg_trimming; /* Selection of register of trimming depending on power mode: OTR or LPOTR */ |
| mbed_official | 354:e67efb2aab0e | 454 | __IO uint32_t* tmp_opamp2_reg_trimming; |
| mbed_official | 354:e67efb2aab0e | 455 | uint32_t tmp_opamp1_otr_otuser = 0; /* Selection of bit OPAMP_OTR_OT_USER depending on trimming register pointed: OTR or LPOTR */ |
| mbed_official | 354:e67efb2aab0e | 456 | uint32_t tmp_opamp2_otr_otuser = 0; |
| mbed_official | 354:e67efb2aab0e | 457 | |
| mbed_official | 354:e67efb2aab0e | 458 | uint32_t tmp_Opa1calout_DefaultSate = 0; /* Bit OPAMP_CSR_OPA1CALOUT default state when trimming value is 00000b. Used to detect the bit toggling */ |
| mbed_official | 354:e67efb2aab0e | 459 | uint32_t tmp_Opa2calout_DefaultSate = 0; /* Bit OPAMP_CSR_OPA2CALOUT default state when trimming value is 00000b. Used to detect the bit toggling */ |
| mbed_official | 354:e67efb2aab0e | 460 | |
| mbed_official | 354:e67efb2aab0e | 461 | uint32_t tmp_OpaxSwitchesContextBackup = 0; |
| mbed_official | 354:e67efb2aab0e | 462 | |
| mbed_official | 354:e67efb2aab0e | 463 | uint8_t trimming_diff_pair_iteration_count = 0; |
| mbed_official | 354:e67efb2aab0e | 464 | uint8_t delta = 0; |
| mbed_official | 354:e67efb2aab0e | 465 | |
| mbed_official | 354:e67efb2aab0e | 466 | |
| mbed_official | 354:e67efb2aab0e | 467 | /* Check the OPAMP handle allocation */ |
| mbed_official | 354:e67efb2aab0e | 468 | /* Check if OPAMP locked */ |
| mbed_official | 354:e67efb2aab0e | 469 | if((hopamp1 == HAL_NULL) || (hopamp1->State == HAL_OPAMP_STATE_BUSYLOCKED) || |
| mbed_official | 354:e67efb2aab0e | 470 | (hopamp2 == HAL_NULL) || (hopamp2->State == HAL_OPAMP_STATE_BUSYLOCKED) ) |
| mbed_official | 354:e67efb2aab0e | 471 | { |
| mbed_official | 354:e67efb2aab0e | 472 | status = HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 473 | } |
| mbed_official | 354:e67efb2aab0e | 474 | else |
| mbed_official | 354:e67efb2aab0e | 475 | { |
| mbed_official | 354:e67efb2aab0e | 476 | |
| mbed_official | 354:e67efb2aab0e | 477 | /* Check if OPAMP in calibration mode and calibration not yet enable */ |
| mbed_official | 354:e67efb2aab0e | 478 | if((hopamp1->State == HAL_OPAMP_STATE_READY) && |
| mbed_official | 354:e67efb2aab0e | 479 | (hopamp2->State == HAL_OPAMP_STATE_READY) ) |
| mbed_official | 354:e67efb2aab0e | 480 | { |
| mbed_official | 354:e67efb2aab0e | 481 | /* Check the parameter */ |
| mbed_official | 354:e67efb2aab0e | 482 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp1->Instance)); |
| mbed_official | 354:e67efb2aab0e | 483 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp2->Instance)); |
| mbed_official | 354:e67efb2aab0e | 484 | assert_param(IS_OPAMP_POWERMODE(hopamp1->Init.PowerMode)); |
| mbed_official | 354:e67efb2aab0e | 485 | assert_param(IS_OPAMP_POWERMODE(hopamp2->Init.PowerMode)); |
| mbed_official | 354:e67efb2aab0e | 486 | |
| mbed_official | 354:e67efb2aab0e | 487 | /* Update OPAMP state */ |
| mbed_official | 354:e67efb2aab0e | 488 | hopamp1->State = HAL_OPAMP_STATE_CALIBBUSY; |
| mbed_official | 354:e67efb2aab0e | 489 | hopamp2->State = HAL_OPAMP_STATE_CALIBBUSY; |
| mbed_official | 354:e67efb2aab0e | 490 | |
| mbed_official | 354:e67efb2aab0e | 491 | /* Backup of switches configuration to restore it at the end of the */ |
| mbed_official | 354:e67efb2aab0e | 492 | /* calibration. */ |
| mbed_official | 354:e67efb2aab0e | 493 | tmp_OpaxSwitchesContextBackup = READ_BIT(OPAMP->CSR, OPAMP_CSR_ALL_SWITCHES_ALL_OPAMPS); |
| mbed_official | 354:e67efb2aab0e | 494 | |
| mbed_official | 354:e67efb2aab0e | 495 | /* Open all switches on non-inverting input, inverting input and output */ |
| mbed_official | 354:e67efb2aab0e | 496 | /* feedback. */ |
| mbed_official | 354:e67efb2aab0e | 497 | CLEAR_BIT(OPAMP->CSR, OPAMP_CSR_ALL_SWITCHES_ALL_OPAMPS); |
| mbed_official | 354:e67efb2aab0e | 498 | |
| mbed_official | 354:e67efb2aab0e | 499 | /* Set calibration mode to user programmed trimming values */ |
| mbed_official | 354:e67efb2aab0e | 500 | SET_BIT(OPAMP->OTR, OPAMP_OTR_OT_USER); |
| mbed_official | 354:e67efb2aab0e | 501 | |
| mbed_official | 354:e67efb2aab0e | 502 | /* Select trimming settings depending on power mode */ |
| mbed_official | 354:e67efb2aab0e | 503 | if (hopamp1->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
| mbed_official | 354:e67efb2aab0e | 504 | { |
| mbed_official | 354:e67efb2aab0e | 505 | tmp_opamp1_otr_otuser = OPAMP_OTR_OT_USER; |
| mbed_official | 354:e67efb2aab0e | 506 | tmp_opamp1_reg_trimming = &OPAMP->OTR; |
| mbed_official | 354:e67efb2aab0e | 507 | } |
| mbed_official | 354:e67efb2aab0e | 508 | else |
| mbed_official | 354:e67efb2aab0e | 509 | { |
| mbed_official | 354:e67efb2aab0e | 510 | tmp_opamp1_otr_otuser = 0x00000000; |
| mbed_official | 354:e67efb2aab0e | 511 | tmp_opamp1_reg_trimming = &OPAMP->LPOTR; |
| mbed_official | 354:e67efb2aab0e | 512 | } |
| mbed_official | 354:e67efb2aab0e | 513 | |
| mbed_official | 354:e67efb2aab0e | 514 | if (hopamp2->Init.PowerMode == OPAMP_POWERMODE_NORMAL) |
| mbed_official | 354:e67efb2aab0e | 515 | { |
| mbed_official | 354:e67efb2aab0e | 516 | tmp_opamp2_otr_otuser = OPAMP_OTR_OT_USER; |
| mbed_official | 354:e67efb2aab0e | 517 | tmp_opamp2_reg_trimming = &OPAMP->OTR; |
| mbed_official | 354:e67efb2aab0e | 518 | } |
| mbed_official | 354:e67efb2aab0e | 519 | else |
| mbed_official | 354:e67efb2aab0e | 520 | { |
| mbed_official | 354:e67efb2aab0e | 521 | tmp_opamp2_otr_otuser = 0x00000000; |
| mbed_official | 354:e67efb2aab0e | 522 | tmp_opamp2_reg_trimming = &OPAMP->LPOTR; |
| mbed_official | 354:e67efb2aab0e | 523 | } |
| mbed_official | 354:e67efb2aab0e | 524 | |
| mbed_official | 354:e67efb2aab0e | 525 | /* Enable the selected opamp */ |
| mbed_official | 354:e67efb2aab0e | 526 | CLEAR_BIT (OPAMP->CSR, OPAMP_CSR_OPAXPD_ALL); |
| mbed_official | 354:e67efb2aab0e | 527 | |
| mbed_official | 354:e67efb2aab0e | 528 | /* Perform trimming for both differential transistors pair high and low */ |
| mbed_official | 354:e67efb2aab0e | 529 | for (trimming_diff_pair_iteration_count = 0; trimming_diff_pair_iteration_count <=1; trimming_diff_pair_iteration_count++) |
| mbed_official | 354:e67efb2aab0e | 530 | { |
| mbed_official | 354:e67efb2aab0e | 531 | if (trimming_diff_pair_iteration_count == 0) |
| mbed_official | 354:e67efb2aab0e | 532 | { |
| mbed_official | 354:e67efb2aab0e | 533 | /* Calibration of transistors differential pair high (NMOS) */ |
| mbed_official | 354:e67efb2aab0e | 534 | trimming_diff_pair = OPAMP_FACTORYTRIMMING_N; |
| mbed_official | 354:e67efb2aab0e | 535 | opamp1_trimmingvalue = &opamp1_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 536 | opamp2_trimmingvalue = &opamp2_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 537 | |
| mbed_official | 354:e67efb2aab0e | 538 | /* Set bit OPAMP_CSR_OPAXCALOUT default state when trimming value */ |
| mbed_official | 354:e67efb2aab0e | 539 | /* is 00000b. Used to detect the bit toggling during trimming. */ |
| mbed_official | 354:e67efb2aab0e | 540 | tmp_Opa1calout_DefaultSate = RESET; |
| mbed_official | 354:e67efb2aab0e | 541 | tmp_Opa2calout_DefaultSate = RESET; |
| mbed_official | 354:e67efb2aab0e | 542 | |
| mbed_official | 354:e67efb2aab0e | 543 | /* Enable calibration for N differential pair */ |
| mbed_official | 354:e67efb2aab0e | 544 | MODIFY_REG(OPAMP->CSR, OPAMP_CSR_OPAXCAL_L_ALL, |
| mbed_official | 354:e67efb2aab0e | 545 | OPAMP_CSR_OPAXCAL_H_ALL); |
| mbed_official | 354:e67efb2aab0e | 546 | } |
| mbed_official | 354:e67efb2aab0e | 547 | else /* (trimming_diff_pair_iteration_count == 1) */ |
| mbed_official | 354:e67efb2aab0e | 548 | { |
| mbed_official | 354:e67efb2aab0e | 549 | /* Calibration of transistors differential pair low (PMOS) */ |
| mbed_official | 354:e67efb2aab0e | 550 | trimming_diff_pair = OPAMP_FACTORYTRIMMING_P; |
| mbed_official | 354:e67efb2aab0e | 551 | opamp1_trimmingvalue = &opamp1_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 552 | opamp2_trimmingvalue = &opamp2_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 553 | |
| mbed_official | 354:e67efb2aab0e | 554 | /* Set bit OPAMP_CSR_OPAXCALOUT default state when trimming value */ |
| mbed_official | 354:e67efb2aab0e | 555 | /* is 00000b. Used to detect the bit toggling during trimming. */ |
| mbed_official | 354:e67efb2aab0e | 556 | tmp_Opa1calout_DefaultSate = __OPAMP_CSR_OPAXCALOUT(hopamp1); |
| mbed_official | 354:e67efb2aab0e | 557 | tmp_Opa2calout_DefaultSate = __OPAMP_CSR_OPAXCALOUT(hopamp2); |
| mbed_official | 354:e67efb2aab0e | 558 | |
| mbed_official | 354:e67efb2aab0e | 559 | /* Enable calibration for P differential pair */ |
| mbed_official | 354:e67efb2aab0e | 560 | MODIFY_REG(OPAMP->CSR, OPAMP_CSR_OPAXCAL_H_ALL, |
| mbed_official | 354:e67efb2aab0e | 561 | OPAMP_CSR_OPAXCAL_L_ALL); |
| mbed_official | 354:e67efb2aab0e | 562 | } |
| mbed_official | 354:e67efb2aab0e | 563 | |
| mbed_official | 354:e67efb2aab0e | 564 | |
| mbed_official | 354:e67efb2aab0e | 565 | /* Perform calibration parameter search by dichotomy sweep */ |
| mbed_official | 354:e67efb2aab0e | 566 | /* - Delta initial value 16: for 5 dichotomy steps: 16 for the */ |
| mbed_official | 354:e67efb2aab0e | 567 | /* initial range, then successive delta sweeps (8, 4, 2, 1). */ |
| mbed_official | 354:e67efb2aab0e | 568 | /* can extend the search range to +/- 15 units. */ |
| mbed_official | 354:e67efb2aab0e | 569 | /* - Trimming initial value 15: search range will go from 0 to 30 */ |
| mbed_official | 354:e67efb2aab0e | 570 | /* (Trimming value 31 is forbidden). */ |
| mbed_official | 354:e67efb2aab0e | 571 | *opamp1_trimmingvalue = 15; |
| mbed_official | 354:e67efb2aab0e | 572 | *opamp2_trimmingvalue = 15; |
| mbed_official | 354:e67efb2aab0e | 573 | delta = 16; |
| mbed_official | 354:e67efb2aab0e | 574 | |
| mbed_official | 354:e67efb2aab0e | 575 | while (delta != 0) |
| mbed_official | 354:e67efb2aab0e | 576 | { |
| mbed_official | 354:e67efb2aab0e | 577 | /* Set candidate trimming */ |
| mbed_official | 354:e67efb2aab0e | 578 | |
| mbed_official | 354:e67efb2aab0e | 579 | MODIFY_REG(*tmp_opamp1_reg_trimming, __OPAMP_OFFSET_TRIM_SET(hopamp1, trimming_diff_pair, OPAMP_TRIM_VALUE_MASK) , |
| mbed_official | 354:e67efb2aab0e | 580 | __OPAMP_OFFSET_TRIM_SET(hopamp1, trimming_diff_pair, *opamp1_trimmingvalue) | tmp_opamp1_otr_otuser); |
| mbed_official | 354:e67efb2aab0e | 581 | |
| mbed_official | 354:e67efb2aab0e | 582 | MODIFY_REG(*tmp_opamp2_reg_trimming, __OPAMP_OFFSET_TRIM_SET(hopamp2, trimming_diff_pair, OPAMP_TRIM_VALUE_MASK) , |
| mbed_official | 354:e67efb2aab0e | 583 | __OPAMP_OFFSET_TRIM_SET(hopamp2, trimming_diff_pair, *opamp2_trimmingvalue) | tmp_opamp2_otr_otuser); |
| mbed_official | 354:e67efb2aab0e | 584 | |
| mbed_official | 354:e67efb2aab0e | 585 | |
| mbed_official | 354:e67efb2aab0e | 586 | /* Offset trimming time: during calibration, minimum time needed */ |
| mbed_official | 354:e67efb2aab0e | 587 | /* between two steps to have 1 mV accuracy. */ |
| mbed_official | 354:e67efb2aab0e | 588 | HAL_Delay(OPAMP_TRIMMING_DELAY); |
| mbed_official | 354:e67efb2aab0e | 589 | |
| mbed_official | 354:e67efb2aab0e | 590 | /* Divide range by 2 to continue dichotomy sweep */ |
| mbed_official | 354:e67efb2aab0e | 591 | delta >>= 1; |
| mbed_official | 354:e67efb2aab0e | 592 | |
| mbed_official | 354:e67efb2aab0e | 593 | /* Set trimming values for next iteration in function of trimming */ |
| mbed_official | 354:e67efb2aab0e | 594 | /* result toggle (versus initial state). */ |
| mbed_official | 354:e67efb2aab0e | 595 | if (READ_BIT(OPAMP->CSR, __OPAMP_CSR_OPAXCALOUT(hopamp1)) != tmp_Opa1calout_DefaultSate) |
| mbed_official | 354:e67efb2aab0e | 596 | { |
| mbed_official | 354:e67efb2aab0e | 597 | /* If calibration output is has toggled, try lower trimming */ |
| mbed_official | 354:e67efb2aab0e | 598 | *opamp1_trimmingvalue -= delta; |
| mbed_official | 354:e67efb2aab0e | 599 | } |
| mbed_official | 354:e67efb2aab0e | 600 | else |
| mbed_official | 354:e67efb2aab0e | 601 | { |
| mbed_official | 354:e67efb2aab0e | 602 | /* If calibration output is has not toggled, try higher trimming */ |
| mbed_official | 354:e67efb2aab0e | 603 | *opamp1_trimmingvalue += delta; |
| mbed_official | 354:e67efb2aab0e | 604 | } |
| mbed_official | 354:e67efb2aab0e | 605 | |
| mbed_official | 354:e67efb2aab0e | 606 | /* Set trimming values for next iteration in function of trimming */ |
| mbed_official | 354:e67efb2aab0e | 607 | /* result toggle (versus initial state). */ |
| mbed_official | 354:e67efb2aab0e | 608 | if (READ_BIT(OPAMP->CSR, __OPAMP_CSR_OPAXCALOUT(hopamp2)) != tmp_Opa2calout_DefaultSate) |
| mbed_official | 354:e67efb2aab0e | 609 | { |
| mbed_official | 354:e67efb2aab0e | 610 | /* If calibration output is has toggled, try lower trimming */ |
| mbed_official | 354:e67efb2aab0e | 611 | *opamp2_trimmingvalue -= delta; |
| mbed_official | 354:e67efb2aab0e | 612 | } |
| mbed_official | 354:e67efb2aab0e | 613 | else |
| mbed_official | 354:e67efb2aab0e | 614 | { |
| mbed_official | 354:e67efb2aab0e | 615 | /* If calibration output is has not toggled, try higher trimming */ |
| mbed_official | 354:e67efb2aab0e | 616 | *opamp2_trimmingvalue += delta; |
| mbed_official | 354:e67efb2aab0e | 617 | } |
| mbed_official | 354:e67efb2aab0e | 618 | |
| mbed_official | 354:e67efb2aab0e | 619 | } |
| mbed_official | 354:e67efb2aab0e | 620 | } |
| mbed_official | 354:e67efb2aab0e | 621 | |
| mbed_official | 354:e67efb2aab0e | 622 | |
| mbed_official | 354:e67efb2aab0e | 623 | /* Disable calibration for P and N differential pairs */ |
| mbed_official | 354:e67efb2aab0e | 624 | /* Disable the selected opamp */ |
| mbed_official | 354:e67efb2aab0e | 625 | CLEAR_BIT (OPAMP->CSR, (OPAMP_CSR_OPAXCAL_H_ALL | |
| mbed_official | 354:e67efb2aab0e | 626 | OPAMP_CSR_OPAXCAL_L_ALL | |
| mbed_official | 354:e67efb2aab0e | 627 | OPAMP_CSR_OPAXPD_ALL )); |
| mbed_official | 354:e67efb2aab0e | 628 | |
| mbed_official | 354:e67efb2aab0e | 629 | /* Backup of switches configuration to restore it at the end of the */ |
| mbed_official | 354:e67efb2aab0e | 630 | /* calibration. */ |
| mbed_official | 354:e67efb2aab0e | 631 | SET_BIT(OPAMP->CSR, tmp_OpaxSwitchesContextBackup); |
| mbed_official | 354:e67efb2aab0e | 632 | |
| mbed_official | 354:e67efb2aab0e | 633 | /* Self calibration is successful */ |
| mbed_official | 354:e67efb2aab0e | 634 | /* Store calibration (user trimming) results in init structure. */ |
| mbed_official | 354:e67efb2aab0e | 635 | |
| mbed_official | 354:e67efb2aab0e | 636 | /* Set user trimming mode */ |
| mbed_official | 354:e67efb2aab0e | 637 | hopamp1->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| mbed_official | 354:e67efb2aab0e | 638 | hopamp2->Init.UserTrimming = OPAMP_TRIMMING_USER; |
| mbed_official | 354:e67efb2aab0e | 639 | |
| mbed_official | 354:e67efb2aab0e | 640 | /* Affect calibration parameters depending on mode normal/low power */ |
| mbed_official | 354:e67efb2aab0e | 641 | if (hopamp1->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
| mbed_official | 354:e67efb2aab0e | 642 | { |
| mbed_official | 354:e67efb2aab0e | 643 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 644 | hopamp1->Init.TrimmingValueN = opamp1_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 645 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 646 | hopamp1->Init.TrimmingValueP = opamp1_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 647 | } |
| mbed_official | 354:e67efb2aab0e | 648 | else |
| mbed_official | 354:e67efb2aab0e | 649 | { |
| mbed_official | 354:e67efb2aab0e | 650 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 651 | hopamp1->Init.TrimmingValueNLowPower = opamp1_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 652 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 653 | hopamp1->Init.TrimmingValuePLowPower = opamp1_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 654 | } |
| mbed_official | 354:e67efb2aab0e | 655 | |
| mbed_official | 354:e67efb2aab0e | 656 | if (hopamp2->Init.PowerMode != OPAMP_POWERMODE_LOWPOWER) |
| mbed_official | 354:e67efb2aab0e | 657 | { |
| mbed_official | 354:e67efb2aab0e | 658 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 659 | hopamp2->Init.TrimmingValueN = opamp2_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 660 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 661 | hopamp2->Init.TrimmingValueP = opamp2_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 662 | } |
| mbed_official | 354:e67efb2aab0e | 663 | else |
| mbed_official | 354:e67efb2aab0e | 664 | { |
| mbed_official | 354:e67efb2aab0e | 665 | /* Write calibration result N */ |
| mbed_official | 354:e67efb2aab0e | 666 | hopamp2->Init.TrimmingValueNLowPower = opamp2_trimmingvaluen; |
| mbed_official | 354:e67efb2aab0e | 667 | /* Write calibration result P */ |
| mbed_official | 354:e67efb2aab0e | 668 | hopamp2->Init.TrimmingValuePLowPower = opamp2_trimmingvaluep; |
| mbed_official | 354:e67efb2aab0e | 669 | } |
| mbed_official | 354:e67efb2aab0e | 670 | |
| mbed_official | 354:e67efb2aab0e | 671 | /* Update OPAMP state */ |
| mbed_official | 354:e67efb2aab0e | 672 | hopamp1->State = HAL_OPAMP_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 673 | hopamp2->State = HAL_OPAMP_STATE_READY; |
| mbed_official | 354:e67efb2aab0e | 674 | |
| mbed_official | 354:e67efb2aab0e | 675 | } |
| mbed_official | 354:e67efb2aab0e | 676 | else |
| mbed_official | 354:e67efb2aab0e | 677 | { |
| mbed_official | 354:e67efb2aab0e | 678 | /* OPAMP can not be calibrated from this mode */ |
| mbed_official | 354:e67efb2aab0e | 679 | status = HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 680 | } |
| mbed_official | 354:e67efb2aab0e | 681 | } |
| mbed_official | 354:e67efb2aab0e | 682 | |
| mbed_official | 354:e67efb2aab0e | 683 | return status; |
| mbed_official | 354:e67efb2aab0e | 684 | } |
| mbed_official | 354:e67efb2aab0e | 685 | |
| mbed_official | 354:e67efb2aab0e | 686 | #endif /* STM32L151xD || STM32L152xD || STM32L162xD */ |
| mbed_official | 354:e67efb2aab0e | 687 | |
| mbed_official | 354:e67efb2aab0e | 688 | /** |
| mbed_official | 354:e67efb2aab0e | 689 | * @} |
| mbed_official | 354:e67efb2aab0e | 690 | */ |
| mbed_official | 354:e67efb2aab0e | 691 | |
| mbed_official | 354:e67efb2aab0e | 692 | /** @defgroup OPAMPEx_Exported_Functions_Group2 Extended Peripheral Control functions |
| mbed_official | 354:e67efb2aab0e | 693 | * @brief Extended control functions |
| mbed_official | 354:e67efb2aab0e | 694 | * |
| mbed_official | 354:e67efb2aab0e | 695 | @verbatim |
| mbed_official | 354:e67efb2aab0e | 696 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 697 | ##### Peripheral Control functions ##### |
| mbed_official | 354:e67efb2aab0e | 698 | =============================================================================== |
| mbed_official | 354:e67efb2aab0e | 699 | [..] |
| mbed_official | 354:e67efb2aab0e | 700 | (+) OPAMP unlock. |
| mbed_official | 354:e67efb2aab0e | 701 | |
| mbed_official | 354:e67efb2aab0e | 702 | @endverbatim |
| mbed_official | 354:e67efb2aab0e | 703 | * @{ |
| mbed_official | 354:e67efb2aab0e | 704 | */ |
| mbed_official | 354:e67efb2aab0e | 705 | |
| mbed_official | 354:e67efb2aab0e | 706 | /** |
| mbed_official | 354:e67efb2aab0e | 707 | * @brief Unlock the selected opamp configuration. |
| mbed_official | 354:e67efb2aab0e | 708 | * This function must be called only when OPAMP is in state "locked". |
| mbed_official | 354:e67efb2aab0e | 709 | * @param hopamp: OPAMP handle |
| mbed_official | 354:e67efb2aab0e | 710 | * @retval HAL status |
| mbed_official | 354:e67efb2aab0e | 711 | */ |
| mbed_official | 354:e67efb2aab0e | 712 | HAL_StatusTypeDef HAL_OPAMPEx_Unlock(OPAMP_HandleTypeDef* hopamp) |
| mbed_official | 354:e67efb2aab0e | 713 | { |
| mbed_official | 354:e67efb2aab0e | 714 | HAL_StatusTypeDef status = HAL_OK; |
| mbed_official | 354:e67efb2aab0e | 715 | |
| mbed_official | 354:e67efb2aab0e | 716 | /* Check the OPAMP handle allocation */ |
| mbed_official | 354:e67efb2aab0e | 717 | /* Check if OPAMP locked */ |
| mbed_official | 354:e67efb2aab0e | 718 | if((hopamp == HAL_NULL) || (hopamp->State == HAL_OPAMP_STATE_RESET) |
| mbed_official | 354:e67efb2aab0e | 719 | || (hopamp->State == HAL_OPAMP_STATE_READY) |
| mbed_official | 354:e67efb2aab0e | 720 | || (hopamp->State == HAL_OPAMP_STATE_CALIBBUSY) |
| mbed_official | 354:e67efb2aab0e | 721 | || (hopamp->State == HAL_OPAMP_STATE_BUSY)) |
| mbed_official | 354:e67efb2aab0e | 722 | |
| mbed_official | 354:e67efb2aab0e | 723 | { |
| mbed_official | 354:e67efb2aab0e | 724 | status = HAL_ERROR; |
| mbed_official | 354:e67efb2aab0e | 725 | } |
| mbed_official | 354:e67efb2aab0e | 726 | else |
| mbed_official | 354:e67efb2aab0e | 727 | { |
| mbed_official | 354:e67efb2aab0e | 728 | /* Check the parameter */ |
| mbed_official | 354:e67efb2aab0e | 729 | assert_param(IS_OPAMP_ALL_INSTANCE(hopamp->Instance)); |
| mbed_official | 354:e67efb2aab0e | 730 | |
| mbed_official | 354:e67efb2aab0e | 731 | /* OPAMP state changed to locked */ |
| mbed_official | 354:e67efb2aab0e | 732 | hopamp->State = HAL_OPAMP_STATE_BUSY; |
| mbed_official | 354:e67efb2aab0e | 733 | } |
| mbed_official | 354:e67efb2aab0e | 734 | return status; |
| mbed_official | 354:e67efb2aab0e | 735 | } |
| mbed_official | 354:e67efb2aab0e | 736 | |
| mbed_official | 354:e67efb2aab0e | 737 | /** |
| mbed_official | 354:e67efb2aab0e | 738 | * @} |
| mbed_official | 354:e67efb2aab0e | 739 | */ |
| mbed_official | 354:e67efb2aab0e | 740 | |
| mbed_official | 354:e67efb2aab0e | 741 | |
| mbed_official | 354:e67efb2aab0e | 742 | /** |
| mbed_official | 354:e67efb2aab0e | 743 | * @} |
| mbed_official | 354:e67efb2aab0e | 744 | */ |
| mbed_official | 354:e67efb2aab0e | 745 | |
| mbed_official | 354:e67efb2aab0e | 746 | #endif /* STM32L151xCA || STM32L151xD || STM32L152xCA || STM32L152xD || STM32L162xCA || STM32L162xD || STM32L151xE || STM32L152xE || STM32L162xE || STM32L162xC || STM32L152xC || STM32L151xC */ |
| mbed_official | 354:e67efb2aab0e | 747 | |
| mbed_official | 354:e67efb2aab0e | 748 | #endif /* HAL_OPAMP_MODULE_ENABLED */ |
| mbed_official | 354:e67efb2aab0e | 749 | /** |
| mbed_official | 354:e67efb2aab0e | 750 | * @} |
| mbed_official | 354:e67efb2aab0e | 751 | */ |
| mbed_official | 354:e67efb2aab0e | 752 | |
| mbed_official | 354:e67efb2aab0e | 753 | /** |
| mbed_official | 354:e67efb2aab0e | 754 | * @} |
| mbed_official | 354:e67efb2aab0e | 755 | */ |
| mbed_official | 354:e67efb2aab0e | 756 | |
| mbed_official | 354:e67efb2aab0e | 757 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
