Frank 26080115
Date: March 20, 2011 This library is created from "LPC17xx CMSIS-Compliant Standard Peripheral Firmware Driver Library (GNU, Keil, IAR) (Jan 28, 2011)", available from NXP's website, under "All microcontrollers support documents" [[http://ics.nxp.com/support/documents/microcontrollers/?type=software]] You will need to follow [[/projects/libraries/svn/mbed/trunk/LPC1768/LPC17xx.h]] while using this library Examples provided here [[/users/frank26080115/programs/LPC1700CMSIS_Examples/]] The beautiful thing is that NXP does not place copyright protection on any of the files in here Only a few modifications are made to make it compile with the mbed online compiler, I fixed some warnings as well. This is untested as of March 20, 2011 Forum post about this library: [[/forum/mbed/topic/2030/]]
lpc17xx_pwm.c@0:84d7747641aa, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 18:45:15 2011 +0000
- Revision:
- 0:84d7747641aa
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| frank26080115 | 0:84d7747641aa | 1 | /***********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 2 | * @file lpc17xx_pwm.c |
| frank26080115 | 0:84d7747641aa | 3 | * @brief Contains all functions support for PWM firmware library on LPC17xx |
| frank26080115 | 0:84d7747641aa | 4 | * @version 2.0 |
| frank26080115 | 0:84d7747641aa | 5 | * @date 21. May. 2010 |
| frank26080115 | 0:84d7747641aa | 6 | * @author NXP MCU SW Application Team |
| frank26080115 | 0:84d7747641aa | 7 | ************************************************************************** |
| frank26080115 | 0:84d7747641aa | 8 | * Software that is described herein is for illustrative purposes only |
| frank26080115 | 0:84d7747641aa | 9 | * which provides customers with programming information regarding the |
| frank26080115 | 0:84d7747641aa | 10 | * products. This software is supplied "AS IS" without any warranties. |
| frank26080115 | 0:84d7747641aa | 11 | * NXP Semiconductors assumes no responsibility or liability for the |
| frank26080115 | 0:84d7747641aa | 12 | * use of the software, conveys no license or title under any patent, |
| frank26080115 | 0:84d7747641aa | 13 | * copyright, or mask work right to the product. NXP Semiconductors |
| frank26080115 | 0:84d7747641aa | 14 | * reserves the right to make changes in the software without |
| frank26080115 | 0:84d7747641aa | 15 | * notification. NXP Semiconductors also make no representation or |
| frank26080115 | 0:84d7747641aa | 16 | * warranty that such application will be suitable for the specified |
| frank26080115 | 0:84d7747641aa | 17 | * use without further testing or modification. |
| frank26080115 | 0:84d7747641aa | 18 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 19 | |
| frank26080115 | 0:84d7747641aa | 20 | /* Peripheral group ----------------------------------------------------------- */ |
| frank26080115 | 0:84d7747641aa | 21 | /** @addtogroup PWM |
| frank26080115 | 0:84d7747641aa | 22 | * @{ |
| frank26080115 | 0:84d7747641aa | 23 | */ |
| frank26080115 | 0:84d7747641aa | 24 | |
| frank26080115 | 0:84d7747641aa | 25 | /* Includes ------------------------------------------------------------------- */ |
| frank26080115 | 0:84d7747641aa | 26 | #include "lpc17xx_pwm.h" |
| frank26080115 | 0:84d7747641aa | 27 | #include "lpc17xx_clkpwr.h" |
| frank26080115 | 0:84d7747641aa | 28 | |
| frank26080115 | 0:84d7747641aa | 29 | /* If this source file built with example, the LPC17xx FW library configuration |
| frank26080115 | 0:84d7747641aa | 30 | * file in each example directory ("lpc17xx_libcfg.h") must be included, |
| frank26080115 | 0:84d7747641aa | 31 | * otherwise the default FW library configuration file must be included instead |
| frank26080115 | 0:84d7747641aa | 32 | */ |
| frank26080115 | 0:84d7747641aa | 33 | #ifdef __BUILD_WITH_EXAMPLE__ |
| frank26080115 | 0:84d7747641aa | 34 | #include "lpc17xx_libcfg.h" |
| frank26080115 | 0:84d7747641aa | 35 | #else |
| frank26080115 | 0:84d7747641aa | 36 | #include "lpc17xx_libcfg_default.h" |
| frank26080115 | 0:84d7747641aa | 37 | #endif /* __BUILD_WITH_EXAMPLE__ */ |
| frank26080115 | 0:84d7747641aa | 38 | |
| frank26080115 | 0:84d7747641aa | 39 | |
| frank26080115 | 0:84d7747641aa | 40 | #ifdef _PWM |
| frank26080115 | 0:84d7747641aa | 41 | |
| frank26080115 | 0:84d7747641aa | 42 | |
| frank26080115 | 0:84d7747641aa | 43 | /* Public Functions ----------------------------------------------------------- */ |
| frank26080115 | 0:84d7747641aa | 44 | /** @addtogroup PWM_Public_Functions |
| frank26080115 | 0:84d7747641aa | 45 | * @{ |
| frank26080115 | 0:84d7747641aa | 46 | */ |
| frank26080115 | 0:84d7747641aa | 47 | |
| frank26080115 | 0:84d7747641aa | 48 | |
| frank26080115 | 0:84d7747641aa | 49 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 50 | * @brief Check whether specified interrupt flag in PWM is set or not |
| frank26080115 | 0:84d7747641aa | 51 | * @param[in] PWMx: PWM peripheral, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 52 | * @param[in] IntFlag: PWM interrupt flag, should be: |
| frank26080115 | 0:84d7747641aa | 53 | * - PWM_INTSTAT_MR0: Interrupt flag for PWM match channel 0 |
| frank26080115 | 0:84d7747641aa | 54 | * - PWM_INTSTAT_MR1: Interrupt flag for PWM match channel 1 |
| frank26080115 | 0:84d7747641aa | 55 | * - PWM_INTSTAT_MR2: Interrupt flag for PWM match channel 2 |
| frank26080115 | 0:84d7747641aa | 56 | * - PWM_INTSTAT_MR3: Interrupt flag for PWM match channel 3 |
| frank26080115 | 0:84d7747641aa | 57 | * - PWM_INTSTAT_MR4: Interrupt flag for PWM match channel 4 |
| frank26080115 | 0:84d7747641aa | 58 | * - PWM_INTSTAT_MR5: Interrupt flag for PWM match channel 5 |
| frank26080115 | 0:84d7747641aa | 59 | * - PWM_INTSTAT_MR6: Interrupt flag for PWM match channel 6 |
| frank26080115 | 0:84d7747641aa | 60 | * - PWM_INTSTAT_CAP0: Interrupt flag for capture input 0 |
| frank26080115 | 0:84d7747641aa | 61 | * - PWM_INTSTAT_CAP1: Interrupt flag for capture input 1 |
| frank26080115 | 0:84d7747641aa | 62 | * @return New State of PWM interrupt flag (SET or RESET) |
| frank26080115 | 0:84d7747641aa | 63 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 64 | IntStatus PWM_GetIntStatus(LPC_PWM_TypeDef *PWMx, uint32_t IntFlag) |
| frank26080115 | 0:84d7747641aa | 65 | { |
| frank26080115 | 0:84d7747641aa | 66 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 67 | CHECK_PARAM(PARAM_PWM_INTSTAT(IntFlag)); |
| frank26080115 | 0:84d7747641aa | 68 | |
| frank26080115 | 0:84d7747641aa | 69 | return ((PWMx->IR & IntFlag) ? SET : RESET); |
| frank26080115 | 0:84d7747641aa | 70 | } |
| frank26080115 | 0:84d7747641aa | 71 | |
| frank26080115 | 0:84d7747641aa | 72 | |
| frank26080115 | 0:84d7747641aa | 73 | |
| frank26080115 | 0:84d7747641aa | 74 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 75 | * @brief Clear specified PWM Interrupt pending |
| frank26080115 | 0:84d7747641aa | 76 | * @param[in] PWMx: PWM peripheral, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 77 | * @param[in] IntFlag: PWM interrupt flag, should be: |
| frank26080115 | 0:84d7747641aa | 78 | * - PWM_INTSTAT_MR0: Interrupt flag for PWM match channel 0 |
| frank26080115 | 0:84d7747641aa | 79 | * - PWM_INTSTAT_MR1: Interrupt flag for PWM match channel 1 |
| frank26080115 | 0:84d7747641aa | 80 | * - PWM_INTSTAT_MR2: Interrupt flag for PWM match channel 2 |
| frank26080115 | 0:84d7747641aa | 81 | * - PWM_INTSTAT_MR3: Interrupt flag for PWM match channel 3 |
| frank26080115 | 0:84d7747641aa | 82 | * - PWM_INTSTAT_MR4: Interrupt flag for PWM match channel 4 |
| frank26080115 | 0:84d7747641aa | 83 | * - PWM_INTSTAT_MR5: Interrupt flag for PWM match channel 5 |
| frank26080115 | 0:84d7747641aa | 84 | * - PWM_INTSTAT_MR6: Interrupt flag for PWM match channel 6 |
| frank26080115 | 0:84d7747641aa | 85 | * - PWM_INTSTAT_CAP0: Interrupt flag for capture input 0 |
| frank26080115 | 0:84d7747641aa | 86 | * - PWM_INTSTAT_CAP1: Interrupt flag for capture input 1 |
| frank26080115 | 0:84d7747641aa | 87 | * @return None |
| frank26080115 | 0:84d7747641aa | 88 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 89 | void PWM_ClearIntPending(LPC_PWM_TypeDef *PWMx, uint32_t IntFlag) |
| frank26080115 | 0:84d7747641aa | 90 | { |
| frank26080115 | 0:84d7747641aa | 91 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 92 | CHECK_PARAM(PARAM_PWM_INTSTAT(IntFlag)); |
| frank26080115 | 0:84d7747641aa | 93 | PWMx->IR = IntFlag; |
| frank26080115 | 0:84d7747641aa | 94 | } |
| frank26080115 | 0:84d7747641aa | 95 | |
| frank26080115 | 0:84d7747641aa | 96 | |
| frank26080115 | 0:84d7747641aa | 97 | |
| frank26080115 | 0:84d7747641aa | 98 | /*****************************************************************************//** |
| frank26080115 | 0:84d7747641aa | 99 | * @brief Fills each PWM_InitStruct member with its default value: |
| frank26080115 | 0:84d7747641aa | 100 | * - If PWMCounterMode = PWM_MODE_TIMER: |
| frank26080115 | 0:84d7747641aa | 101 | * + PrescaleOption = PWM_TIMER_PRESCALE_USVAL |
| frank26080115 | 0:84d7747641aa | 102 | * + PrescaleValue = 1 |
| frank26080115 | 0:84d7747641aa | 103 | * - If PWMCounterMode = PWM_MODE_COUNTER: |
| frank26080115 | 0:84d7747641aa | 104 | * + CountInputSelect = PWM_COUNTER_PCAP1_0 |
| frank26080115 | 0:84d7747641aa | 105 | * + CounterOption = PWM_COUNTER_RISING |
| frank26080115 | 0:84d7747641aa | 106 | * @param[in] PWMTimerCounterMode Timer or Counter mode, should be: |
| frank26080115 | 0:84d7747641aa | 107 | * - PWM_MODE_TIMER: Counter of PWM peripheral is in Timer mode |
| frank26080115 | 0:84d7747641aa | 108 | * - PWM_MODE_COUNTER: Counter of PWM peripheral is in Counter mode |
| frank26080115 | 0:84d7747641aa | 109 | * @param[in] PWM_InitStruct Pointer to structure (PWM_TIMERCFG_Type or |
| frank26080115 | 0:84d7747641aa | 110 | * PWM_COUNTERCFG_Type) which will be initialized. |
| frank26080115 | 0:84d7747641aa | 111 | * @return None |
| frank26080115 | 0:84d7747641aa | 112 | * Note: PWM_InitStruct pointer will be assigned to corresponding structure |
| frank26080115 | 0:84d7747641aa | 113 | * (PWM_TIMERCFG_Type or PWM_COUNTERCFG_Type) due to PWMTimerCounterMode. |
| frank26080115 | 0:84d7747641aa | 114 | *******************************************************************************/ |
| frank26080115 | 0:84d7747641aa | 115 | void PWM_ConfigStructInit(uint8_t PWMTimerCounterMode, void *PWM_InitStruct) |
| frank26080115 | 0:84d7747641aa | 116 | { |
| frank26080115 | 0:84d7747641aa | 117 | PWM_TIMERCFG_Type *pTimeCfg; |
| frank26080115 | 0:84d7747641aa | 118 | PWM_COUNTERCFG_Type *pCounterCfg; |
| frank26080115 | 0:84d7747641aa | 119 | CHECK_PARAM(PARAM_PWM_TC_MODE(PWMTimerCounterMode)); |
| frank26080115 | 0:84d7747641aa | 120 | |
| frank26080115 | 0:84d7747641aa | 121 | pTimeCfg = (PWM_TIMERCFG_Type *) PWM_InitStruct; |
| frank26080115 | 0:84d7747641aa | 122 | pCounterCfg = (PWM_COUNTERCFG_Type *) PWM_InitStruct; |
| frank26080115 | 0:84d7747641aa | 123 | |
| frank26080115 | 0:84d7747641aa | 124 | if (PWMTimerCounterMode == PWM_MODE_TIMER ) |
| frank26080115 | 0:84d7747641aa | 125 | { |
| frank26080115 | 0:84d7747641aa | 126 | pTimeCfg->PrescaleOption = PWM_TIMER_PRESCALE_USVAL; |
| frank26080115 | 0:84d7747641aa | 127 | pTimeCfg->PrescaleValue = 1; |
| frank26080115 | 0:84d7747641aa | 128 | } |
| frank26080115 | 0:84d7747641aa | 129 | else if (PWMTimerCounterMode == PWM_MODE_COUNTER) |
| frank26080115 | 0:84d7747641aa | 130 | { |
| frank26080115 | 0:84d7747641aa | 131 | pCounterCfg->CountInputSelect = PWM_COUNTER_PCAP1_0; |
| frank26080115 | 0:84d7747641aa | 132 | pCounterCfg->CounterOption = PWM_COUNTER_RISING; |
| frank26080115 | 0:84d7747641aa | 133 | } |
| frank26080115 | 0:84d7747641aa | 134 | } |
| frank26080115 | 0:84d7747641aa | 135 | |
| frank26080115 | 0:84d7747641aa | 136 | |
| frank26080115 | 0:84d7747641aa | 137 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 138 | * @brief Initializes the PWMx peripheral corresponding to the specified |
| frank26080115 | 0:84d7747641aa | 139 | * parameters in the PWM_ConfigStruct. |
| frank26080115 | 0:84d7747641aa | 140 | * @param[in] PWMx PWM peripheral, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 141 | * @param[in] PWMTimerCounterMode Timer or Counter mode, should be: |
| frank26080115 | 0:84d7747641aa | 142 | * - PWM_MODE_TIMER: Counter of PWM peripheral is in Timer mode |
| frank26080115 | 0:84d7747641aa | 143 | * - PWM_MODE_COUNTER: Counter of PWM peripheral is in Counter mode |
| frank26080115 | 0:84d7747641aa | 144 | * @param[in] PWM_ConfigStruct Pointer to structure (PWM_TIMERCFG_Type or |
| frank26080115 | 0:84d7747641aa | 145 | * PWM_COUNTERCFG_Type) which will be initialized. |
| frank26080115 | 0:84d7747641aa | 146 | * @return None |
| frank26080115 | 0:84d7747641aa | 147 | * Note: PWM_ConfigStruct pointer will be assigned to corresponding structure |
| frank26080115 | 0:84d7747641aa | 148 | * (PWM_TIMERCFG_Type or PWM_COUNTERCFG_Type) due to PWMTimerCounterMode. |
| frank26080115 | 0:84d7747641aa | 149 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 150 | void PWM_Init(LPC_PWM_TypeDef *PWMx, uint32_t PWMTimerCounterMode, void *PWM_ConfigStruct) |
| frank26080115 | 0:84d7747641aa | 151 | { |
| frank26080115 | 0:84d7747641aa | 152 | PWM_TIMERCFG_Type *pTimeCfg; |
| frank26080115 | 0:84d7747641aa | 153 | PWM_COUNTERCFG_Type *pCounterCfg; |
| frank26080115 | 0:84d7747641aa | 154 | uint64_t clkdlycnt; |
| frank26080115 | 0:84d7747641aa | 155 | |
| frank26080115 | 0:84d7747641aa | 156 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 157 | CHECK_PARAM(PARAM_PWM_TC_MODE(PWMTimerCounterMode)); |
| frank26080115 | 0:84d7747641aa | 158 | |
| frank26080115 | 0:84d7747641aa | 159 | pTimeCfg = (PWM_TIMERCFG_Type *)PWM_ConfigStruct; |
| frank26080115 | 0:84d7747641aa | 160 | pCounterCfg = (PWM_COUNTERCFG_Type *)PWM_ConfigStruct; |
| frank26080115 | 0:84d7747641aa | 161 | |
| frank26080115 | 0:84d7747641aa | 162 | |
| frank26080115 | 0:84d7747641aa | 163 | CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCPWM1, ENABLE); |
| frank26080115 | 0:84d7747641aa | 164 | CLKPWR_SetPCLKDiv (CLKPWR_PCLKSEL_PWM1, CLKPWR_PCLKSEL_CCLK_DIV_4); |
| frank26080115 | 0:84d7747641aa | 165 | // Get peripheral clock of PWM1 |
| frank26080115 | 0:84d7747641aa | 166 | clkdlycnt = (uint64_t) CLKPWR_GetPCLK (CLKPWR_PCLKSEL_PWM1); |
| frank26080115 | 0:84d7747641aa | 167 | |
| frank26080115 | 0:84d7747641aa | 168 | |
| frank26080115 | 0:84d7747641aa | 169 | // Clear all interrupts pending |
| frank26080115 | 0:84d7747641aa | 170 | PWMx->IR = 0xFF & PWM_IR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 171 | PWMx->TCR = 0x00; |
| frank26080115 | 0:84d7747641aa | 172 | PWMx->CTCR = 0x00; |
| frank26080115 | 0:84d7747641aa | 173 | PWMx->MCR = 0x00; |
| frank26080115 | 0:84d7747641aa | 174 | PWMx->CCR = 0x00; |
| frank26080115 | 0:84d7747641aa | 175 | PWMx->PCR = 0x00; |
| frank26080115 | 0:84d7747641aa | 176 | PWMx->LER = 0x00; |
| frank26080115 | 0:84d7747641aa | 177 | |
| frank26080115 | 0:84d7747641aa | 178 | if (PWMTimerCounterMode == PWM_MODE_TIMER) |
| frank26080115 | 0:84d7747641aa | 179 | { |
| frank26080115 | 0:84d7747641aa | 180 | CHECK_PARAM(PARAM_PWM_TIMER_PRESCALE(pTimeCfg->PrescaleOption)); |
| frank26080115 | 0:84d7747641aa | 181 | |
| frank26080115 | 0:84d7747641aa | 182 | /* Absolute prescale value */ |
| frank26080115 | 0:84d7747641aa | 183 | if (pTimeCfg->PrescaleOption == PWM_TIMER_PRESCALE_TICKVAL) |
| frank26080115 | 0:84d7747641aa | 184 | { |
| frank26080115 | 0:84d7747641aa | 185 | PWMx->PR = pTimeCfg->PrescaleValue - 1; |
| frank26080115 | 0:84d7747641aa | 186 | } |
| frank26080115 | 0:84d7747641aa | 187 | /* uSecond prescale value */ |
| frank26080115 | 0:84d7747641aa | 188 | else |
| frank26080115 | 0:84d7747641aa | 189 | { |
| frank26080115 | 0:84d7747641aa | 190 | clkdlycnt = (clkdlycnt * pTimeCfg->PrescaleValue) / 1000000; |
| frank26080115 | 0:84d7747641aa | 191 | PWMx->PR = ((uint32_t) clkdlycnt) - 1; |
| frank26080115 | 0:84d7747641aa | 192 | } |
| frank26080115 | 0:84d7747641aa | 193 | |
| frank26080115 | 0:84d7747641aa | 194 | } |
| frank26080115 | 0:84d7747641aa | 195 | else if (PWMTimerCounterMode == PWM_MODE_COUNTER) |
| frank26080115 | 0:84d7747641aa | 196 | { |
| frank26080115 | 0:84d7747641aa | 197 | CHECK_PARAM(PARAM_PWM_COUNTER_INPUTSEL(pCounterCfg->CountInputSelect)); |
| frank26080115 | 0:84d7747641aa | 198 | CHECK_PARAM(PARAM_PWM_COUNTER_EDGE(pCounterCfg->CounterOption)); |
| frank26080115 | 0:84d7747641aa | 199 | |
| frank26080115 | 0:84d7747641aa | 200 | PWMx->CTCR |= (PWM_CTCR_MODE((uint32_t)pCounterCfg->CounterOption)) \ |
| frank26080115 | 0:84d7747641aa | 201 | | (PWM_CTCR_SELECT_INPUT((uint32_t)pCounterCfg->CountInputSelect)); |
| frank26080115 | 0:84d7747641aa | 202 | } |
| frank26080115 | 0:84d7747641aa | 203 | } |
| frank26080115 | 0:84d7747641aa | 204 | |
| frank26080115 | 0:84d7747641aa | 205 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 206 | * @brief De-initializes the PWM peripheral registers to their |
| frank26080115 | 0:84d7747641aa | 207 | * default reset values. |
| frank26080115 | 0:84d7747641aa | 208 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 209 | * @return None |
| frank26080115 | 0:84d7747641aa | 210 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 211 | void PWM_DeInit (LPC_PWM_TypeDef *PWMx) |
| frank26080115 | 0:84d7747641aa | 212 | { |
| frank26080115 | 0:84d7747641aa | 213 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 214 | |
| frank26080115 | 0:84d7747641aa | 215 | // Disable PWM control (timer, counter and PWM) |
| frank26080115 | 0:84d7747641aa | 216 | PWMx->TCR = 0x00; |
| frank26080115 | 0:84d7747641aa | 217 | CLKPWR_ConfigPPWR (CLKPWR_PCONP_PCPWM1, DISABLE); |
| frank26080115 | 0:84d7747641aa | 218 | |
| frank26080115 | 0:84d7747641aa | 219 | } |
| frank26080115 | 0:84d7747641aa | 220 | |
| frank26080115 | 0:84d7747641aa | 221 | |
| frank26080115 | 0:84d7747641aa | 222 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 223 | * @brief Enable/Disable PWM peripheral |
| frank26080115 | 0:84d7747641aa | 224 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 225 | * @param[in] NewState New State of this function, should be: |
| frank26080115 | 0:84d7747641aa | 226 | * - ENABLE: Enable PWM peripheral |
| frank26080115 | 0:84d7747641aa | 227 | * - DISABLE: Disable PWM peripheral |
| frank26080115 | 0:84d7747641aa | 228 | * @return None |
| frank26080115 | 0:84d7747641aa | 229 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 230 | void PWM_Cmd(LPC_PWM_TypeDef *PWMx, FunctionalState NewState) |
| frank26080115 | 0:84d7747641aa | 231 | { |
| frank26080115 | 0:84d7747641aa | 232 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 233 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState)); |
| frank26080115 | 0:84d7747641aa | 234 | |
| frank26080115 | 0:84d7747641aa | 235 | if (NewState == ENABLE) |
| frank26080115 | 0:84d7747641aa | 236 | { |
| frank26080115 | 0:84d7747641aa | 237 | PWMx->TCR |= PWM_TCR_PWM_ENABLE; |
| frank26080115 | 0:84d7747641aa | 238 | } |
| frank26080115 | 0:84d7747641aa | 239 | else |
| frank26080115 | 0:84d7747641aa | 240 | { |
| frank26080115 | 0:84d7747641aa | 241 | PWMx->TCR &= (~PWM_TCR_PWM_ENABLE) & PWM_TCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 242 | } |
| frank26080115 | 0:84d7747641aa | 243 | } |
| frank26080115 | 0:84d7747641aa | 244 | |
| frank26080115 | 0:84d7747641aa | 245 | |
| frank26080115 | 0:84d7747641aa | 246 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 247 | * @brief Enable/Disable Counter in PWM peripheral |
| frank26080115 | 0:84d7747641aa | 248 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 249 | * @param[in] NewState New State of this function, should be: |
| frank26080115 | 0:84d7747641aa | 250 | * - ENABLE: Enable Counter in PWM peripheral |
| frank26080115 | 0:84d7747641aa | 251 | * - DISABLE: Disable Counter in PWM peripheral |
| frank26080115 | 0:84d7747641aa | 252 | * @return None |
| frank26080115 | 0:84d7747641aa | 253 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 254 | void PWM_CounterCmd(LPC_PWM_TypeDef *PWMx, FunctionalState NewState) |
| frank26080115 | 0:84d7747641aa | 255 | { |
| frank26080115 | 0:84d7747641aa | 256 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 257 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState)); |
| frank26080115 | 0:84d7747641aa | 258 | if (NewState == ENABLE) |
| frank26080115 | 0:84d7747641aa | 259 | { |
| frank26080115 | 0:84d7747641aa | 260 | PWMx->TCR |= PWM_TCR_COUNTER_ENABLE; |
| frank26080115 | 0:84d7747641aa | 261 | } |
| frank26080115 | 0:84d7747641aa | 262 | else |
| frank26080115 | 0:84d7747641aa | 263 | { |
| frank26080115 | 0:84d7747641aa | 264 | PWMx->TCR &= (~PWM_TCR_COUNTER_ENABLE) & PWM_TCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 265 | } |
| frank26080115 | 0:84d7747641aa | 266 | } |
| frank26080115 | 0:84d7747641aa | 267 | |
| frank26080115 | 0:84d7747641aa | 268 | |
| frank26080115 | 0:84d7747641aa | 269 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 270 | * @brief Reset Counter in PWM peripheral |
| frank26080115 | 0:84d7747641aa | 271 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 272 | * @return None |
| frank26080115 | 0:84d7747641aa | 273 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 274 | void PWM_ResetCounter(LPC_PWM_TypeDef *PWMx) |
| frank26080115 | 0:84d7747641aa | 275 | { |
| frank26080115 | 0:84d7747641aa | 276 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 277 | PWMx->TCR |= PWM_TCR_COUNTER_RESET; |
| frank26080115 | 0:84d7747641aa | 278 | PWMx->TCR &= (~PWM_TCR_COUNTER_RESET) & PWM_TCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 279 | } |
| frank26080115 | 0:84d7747641aa | 280 | |
| frank26080115 | 0:84d7747641aa | 281 | |
| frank26080115 | 0:84d7747641aa | 282 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 283 | * @brief Configures match for PWM peripheral |
| frank26080115 | 0:84d7747641aa | 284 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 285 | * @param[in] PWM_MatchConfigStruct Pointer to a PWM_MATCHCFG_Type structure |
| frank26080115 | 0:84d7747641aa | 286 | * that contains the configuration information for the |
| frank26080115 | 0:84d7747641aa | 287 | * specified PWM match function. |
| frank26080115 | 0:84d7747641aa | 288 | * @return None |
| frank26080115 | 0:84d7747641aa | 289 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 290 | void PWM_ConfigMatch(LPC_PWM_TypeDef *PWMx, PWM_MATCHCFG_Type *PWM_MatchConfigStruct) |
| frank26080115 | 0:84d7747641aa | 291 | { |
| frank26080115 | 0:84d7747641aa | 292 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 293 | CHECK_PARAM(PARAM_PWM1_MATCH_CHANNEL(PWM_MatchConfigStruct->MatchChannel)); |
| frank26080115 | 0:84d7747641aa | 294 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_MatchConfigStruct->IntOnMatch)); |
| frank26080115 | 0:84d7747641aa | 295 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_MatchConfigStruct->ResetOnMatch)); |
| frank26080115 | 0:84d7747641aa | 296 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_MatchConfigStruct->StopOnMatch)); |
| frank26080115 | 0:84d7747641aa | 297 | |
| frank26080115 | 0:84d7747641aa | 298 | //interrupt on MRn |
| frank26080115 | 0:84d7747641aa | 299 | if (PWM_MatchConfigStruct->IntOnMatch == ENABLE) |
| frank26080115 | 0:84d7747641aa | 300 | { |
| frank26080115 | 0:84d7747641aa | 301 | PWMx->MCR |= PWM_MCR_INT_ON_MATCH(PWM_MatchConfigStruct->MatchChannel); |
| frank26080115 | 0:84d7747641aa | 302 | } |
| frank26080115 | 0:84d7747641aa | 303 | else |
| frank26080115 | 0:84d7747641aa | 304 | { |
| frank26080115 | 0:84d7747641aa | 305 | PWMx->MCR &= (~PWM_MCR_INT_ON_MATCH(PWM_MatchConfigStruct->MatchChannel)) \ |
| frank26080115 | 0:84d7747641aa | 306 | & PWM_MCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 307 | } |
| frank26080115 | 0:84d7747641aa | 308 | |
| frank26080115 | 0:84d7747641aa | 309 | //reset on MRn |
| frank26080115 | 0:84d7747641aa | 310 | if (PWM_MatchConfigStruct->ResetOnMatch == ENABLE) |
| frank26080115 | 0:84d7747641aa | 311 | { |
| frank26080115 | 0:84d7747641aa | 312 | PWMx->MCR |= PWM_MCR_RESET_ON_MATCH(PWM_MatchConfigStruct->MatchChannel); |
| frank26080115 | 0:84d7747641aa | 313 | } |
| frank26080115 | 0:84d7747641aa | 314 | else |
| frank26080115 | 0:84d7747641aa | 315 | { |
| frank26080115 | 0:84d7747641aa | 316 | PWMx->MCR &= (~PWM_MCR_RESET_ON_MATCH(PWM_MatchConfigStruct->MatchChannel)) \ |
| frank26080115 | 0:84d7747641aa | 317 | & PWM_MCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 318 | } |
| frank26080115 | 0:84d7747641aa | 319 | |
| frank26080115 | 0:84d7747641aa | 320 | //stop on MRn |
| frank26080115 | 0:84d7747641aa | 321 | if (PWM_MatchConfigStruct->StopOnMatch == ENABLE) |
| frank26080115 | 0:84d7747641aa | 322 | { |
| frank26080115 | 0:84d7747641aa | 323 | PWMx->MCR |= PWM_MCR_STOP_ON_MATCH(PWM_MatchConfigStruct->MatchChannel); |
| frank26080115 | 0:84d7747641aa | 324 | } |
| frank26080115 | 0:84d7747641aa | 325 | else |
| frank26080115 | 0:84d7747641aa | 326 | { |
| frank26080115 | 0:84d7747641aa | 327 | PWMx->MCR &= (~PWM_MCR_STOP_ON_MATCH(PWM_MatchConfigStruct->MatchChannel)) \ |
| frank26080115 | 0:84d7747641aa | 328 | & PWM_MCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 329 | } |
| frank26080115 | 0:84d7747641aa | 330 | } |
| frank26080115 | 0:84d7747641aa | 331 | |
| frank26080115 | 0:84d7747641aa | 332 | |
| frank26080115 | 0:84d7747641aa | 333 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 334 | * @brief Configures capture input for PWM peripheral |
| frank26080115 | 0:84d7747641aa | 335 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 336 | * @param[in] PWM_CaptureConfigStruct Pointer to a PWM_CAPTURECFG_Type structure |
| frank26080115 | 0:84d7747641aa | 337 | * that contains the configuration information for the |
| frank26080115 | 0:84d7747641aa | 338 | * specified PWM capture input function. |
| frank26080115 | 0:84d7747641aa | 339 | * @return None |
| frank26080115 | 0:84d7747641aa | 340 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 341 | void PWM_ConfigCapture(LPC_PWM_TypeDef *PWMx, PWM_CAPTURECFG_Type *PWM_CaptureConfigStruct) |
| frank26080115 | 0:84d7747641aa | 342 | { |
| frank26080115 | 0:84d7747641aa | 343 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 344 | CHECK_PARAM(PARAM_PWM1_CAPTURE_CHANNEL(PWM_CaptureConfigStruct->CaptureChannel)); |
| frank26080115 | 0:84d7747641aa | 345 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_CaptureConfigStruct->FallingEdge)); |
| frank26080115 | 0:84d7747641aa | 346 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_CaptureConfigStruct->IntOnCaption)); |
| frank26080115 | 0:84d7747641aa | 347 | CHECK_PARAM(PARAM_FUNCTIONALSTATE(PWM_CaptureConfigStruct->RisingEdge)); |
| frank26080115 | 0:84d7747641aa | 348 | |
| frank26080115 | 0:84d7747641aa | 349 | if (PWM_CaptureConfigStruct->RisingEdge == ENABLE) |
| frank26080115 | 0:84d7747641aa | 350 | { |
| frank26080115 | 0:84d7747641aa | 351 | PWMx->CCR |= PWM_CCR_CAP_RISING(PWM_CaptureConfigStruct->CaptureChannel); |
| frank26080115 | 0:84d7747641aa | 352 | } |
| frank26080115 | 0:84d7747641aa | 353 | else |
| frank26080115 | 0:84d7747641aa | 354 | { |
| frank26080115 | 0:84d7747641aa | 355 | PWMx->CCR &= (~PWM_CCR_CAP_RISING(PWM_CaptureConfigStruct->CaptureChannel)) \ |
| frank26080115 | 0:84d7747641aa | 356 | & PWM_CCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 357 | } |
| frank26080115 | 0:84d7747641aa | 358 | |
| frank26080115 | 0:84d7747641aa | 359 | if (PWM_CaptureConfigStruct->FallingEdge == ENABLE) |
| frank26080115 | 0:84d7747641aa | 360 | { |
| frank26080115 | 0:84d7747641aa | 361 | PWMx->CCR |= PWM_CCR_CAP_FALLING(PWM_CaptureConfigStruct->CaptureChannel); |
| frank26080115 | 0:84d7747641aa | 362 | } |
| frank26080115 | 0:84d7747641aa | 363 | else |
| frank26080115 | 0:84d7747641aa | 364 | { |
| frank26080115 | 0:84d7747641aa | 365 | PWMx->CCR &= (~PWM_CCR_CAP_FALLING(PWM_CaptureConfigStruct->CaptureChannel)) \ |
| frank26080115 | 0:84d7747641aa | 366 | & PWM_CCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 367 | } |
| frank26080115 | 0:84d7747641aa | 368 | |
| frank26080115 | 0:84d7747641aa | 369 | if (PWM_CaptureConfigStruct->IntOnCaption == ENABLE) |
| frank26080115 | 0:84d7747641aa | 370 | { |
| frank26080115 | 0:84d7747641aa | 371 | PWMx->CCR |= PWM_CCR_INT_ON_CAP(PWM_CaptureConfigStruct->CaptureChannel); |
| frank26080115 | 0:84d7747641aa | 372 | } |
| frank26080115 | 0:84d7747641aa | 373 | else |
| frank26080115 | 0:84d7747641aa | 374 | { |
| frank26080115 | 0:84d7747641aa | 375 | PWMx->CCR &= (~PWM_CCR_INT_ON_CAP(PWM_CaptureConfigStruct->CaptureChannel)) \ |
| frank26080115 | 0:84d7747641aa | 376 | & PWM_CCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 377 | } |
| frank26080115 | 0:84d7747641aa | 378 | } |
| frank26080115 | 0:84d7747641aa | 379 | |
| frank26080115 | 0:84d7747641aa | 380 | |
| frank26080115 | 0:84d7747641aa | 381 | /*********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 382 | * @brief Read value of capture register PWM peripheral |
| frank26080115 | 0:84d7747641aa | 383 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 384 | * @param[in] CaptureChannel: capture channel number, should be in |
| frank26080115 | 0:84d7747641aa | 385 | * range 0 to 1 |
| frank26080115 | 0:84d7747641aa | 386 | * @return Value of capture register |
| frank26080115 | 0:84d7747641aa | 387 | **********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 388 | uint32_t PWM_GetCaptureValue(LPC_PWM_TypeDef *PWMx, uint8_t CaptureChannel) |
| frank26080115 | 0:84d7747641aa | 389 | { |
| frank26080115 | 0:84d7747641aa | 390 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 391 | CHECK_PARAM(PARAM_PWM1_CAPTURE_CHANNEL(CaptureChannel)); |
| frank26080115 | 0:84d7747641aa | 392 | |
| frank26080115 | 0:84d7747641aa | 393 | switch (CaptureChannel) |
| frank26080115 | 0:84d7747641aa | 394 | { |
| frank26080115 | 0:84d7747641aa | 395 | case 0: |
| frank26080115 | 0:84d7747641aa | 396 | return PWMx->CR0; |
| frank26080115 | 0:84d7747641aa | 397 | |
| frank26080115 | 0:84d7747641aa | 398 | case 1: |
| frank26080115 | 0:84d7747641aa | 399 | return PWMx->CR1; |
| frank26080115 | 0:84d7747641aa | 400 | |
| frank26080115 | 0:84d7747641aa | 401 | default: |
| frank26080115 | 0:84d7747641aa | 402 | return (0); |
| frank26080115 | 0:84d7747641aa | 403 | } |
| frank26080115 | 0:84d7747641aa | 404 | } |
| frank26080115 | 0:84d7747641aa | 405 | |
| frank26080115 | 0:84d7747641aa | 406 | |
| frank26080115 | 0:84d7747641aa | 407 | /********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 408 | * @brief Update value for each PWM channel with update type option |
| frank26080115 | 0:84d7747641aa | 409 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 410 | * @param[in] MatchChannel Match channel |
| frank26080115 | 0:84d7747641aa | 411 | * @param[in] MatchValue Match value |
| frank26080115 | 0:84d7747641aa | 412 | * @param[in] UpdateType Type of Update, should be: |
| frank26080115 | 0:84d7747641aa | 413 | * - PWM_MATCH_UPDATE_NOW: The update value will be updated for |
| frank26080115 | 0:84d7747641aa | 414 | * this channel immediately |
| frank26080115 | 0:84d7747641aa | 415 | * - PWM_MATCH_UPDATE_NEXT_RST: The update value will be updated for |
| frank26080115 | 0:84d7747641aa | 416 | * this channel on next reset by a PWM Match event. |
| frank26080115 | 0:84d7747641aa | 417 | * @return None |
| frank26080115 | 0:84d7747641aa | 418 | *********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 419 | void PWM_MatchUpdate(LPC_PWM_TypeDef *PWMx, uint8_t MatchChannel, \ |
| frank26080115 | 0:84d7747641aa | 420 | uint32_t MatchValue, uint8_t UpdateType) |
| frank26080115 | 0:84d7747641aa | 421 | { |
| frank26080115 | 0:84d7747641aa | 422 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 423 | CHECK_PARAM(PARAM_PWM1_MATCH_CHANNEL(MatchChannel)); |
| frank26080115 | 0:84d7747641aa | 424 | CHECK_PARAM(PARAM_PWM_MATCH_UPDATE(UpdateType)); |
| frank26080115 | 0:84d7747641aa | 425 | |
| frank26080115 | 0:84d7747641aa | 426 | switch (MatchChannel) |
| frank26080115 | 0:84d7747641aa | 427 | { |
| frank26080115 | 0:84d7747641aa | 428 | case 0: |
| frank26080115 | 0:84d7747641aa | 429 | PWMx->MR0 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 430 | break; |
| frank26080115 | 0:84d7747641aa | 431 | |
| frank26080115 | 0:84d7747641aa | 432 | case 1: |
| frank26080115 | 0:84d7747641aa | 433 | PWMx->MR1 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 434 | break; |
| frank26080115 | 0:84d7747641aa | 435 | |
| frank26080115 | 0:84d7747641aa | 436 | case 2: |
| frank26080115 | 0:84d7747641aa | 437 | PWMx->MR2 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 438 | break; |
| frank26080115 | 0:84d7747641aa | 439 | |
| frank26080115 | 0:84d7747641aa | 440 | case 3: |
| frank26080115 | 0:84d7747641aa | 441 | PWMx->MR3 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 442 | break; |
| frank26080115 | 0:84d7747641aa | 443 | |
| frank26080115 | 0:84d7747641aa | 444 | case 4: |
| frank26080115 | 0:84d7747641aa | 445 | PWMx->MR4 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 446 | break; |
| frank26080115 | 0:84d7747641aa | 447 | |
| frank26080115 | 0:84d7747641aa | 448 | case 5: |
| frank26080115 | 0:84d7747641aa | 449 | PWMx->MR5 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 450 | break; |
| frank26080115 | 0:84d7747641aa | 451 | |
| frank26080115 | 0:84d7747641aa | 452 | case 6: |
| frank26080115 | 0:84d7747641aa | 453 | PWMx->MR6 = MatchValue; |
| frank26080115 | 0:84d7747641aa | 454 | break; |
| frank26080115 | 0:84d7747641aa | 455 | } |
| frank26080115 | 0:84d7747641aa | 456 | |
| frank26080115 | 0:84d7747641aa | 457 | // Write Latch register |
| frank26080115 | 0:84d7747641aa | 458 | PWMx->LER |= PWM_LER_EN_MATCHn_LATCH(MatchChannel); |
| frank26080115 | 0:84d7747641aa | 459 | |
| frank26080115 | 0:84d7747641aa | 460 | // In case of update now |
| frank26080115 | 0:84d7747641aa | 461 | if (UpdateType == PWM_MATCH_UPDATE_NOW) |
| frank26080115 | 0:84d7747641aa | 462 | { |
| frank26080115 | 0:84d7747641aa | 463 | PWMx->TCR |= PWM_TCR_COUNTER_RESET; |
| frank26080115 | 0:84d7747641aa | 464 | PWMx->TCR &= (~PWM_TCR_COUNTER_RESET) & PWM_TCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 465 | } |
| frank26080115 | 0:84d7747641aa | 466 | } |
| frank26080115 | 0:84d7747641aa | 467 | |
| frank26080115 | 0:84d7747641aa | 468 | |
| frank26080115 | 0:84d7747641aa | 469 | /********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 470 | * @brief Configure Edge mode for each PWM channel |
| frank26080115 | 0:84d7747641aa | 471 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 472 | * @param[in] PWMChannel PWM channel, should be in range from 2 to 6 |
| frank26080115 | 0:84d7747641aa | 473 | * @param[in] ModeOption PWM mode option, should be: |
| frank26080115 | 0:84d7747641aa | 474 | * - PWM_CHANNEL_SINGLE_EDGE: Single Edge mode |
| frank26080115 | 0:84d7747641aa | 475 | * - PWM_CHANNEL_DUAL_EDGE: Dual Edge mode |
| frank26080115 | 0:84d7747641aa | 476 | * @return None |
| frank26080115 | 0:84d7747641aa | 477 | * Note: PWM Channel 1 can not be selected for mode option |
| frank26080115 | 0:84d7747641aa | 478 | *********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 479 | void PWM_ChannelConfig(LPC_PWM_TypeDef *PWMx, uint8_t PWMChannel, uint8_t ModeOption) |
| frank26080115 | 0:84d7747641aa | 480 | { |
| frank26080115 | 0:84d7747641aa | 481 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 482 | CHECK_PARAM(PARAM_PWM1_EDGE_MODE_CHANNEL(PWMChannel)); |
| frank26080115 | 0:84d7747641aa | 483 | CHECK_PARAM(PARAM_PWM_CHANNEL_EDGE(ModeOption)); |
| frank26080115 | 0:84d7747641aa | 484 | |
| frank26080115 | 0:84d7747641aa | 485 | // Single edge mode |
| frank26080115 | 0:84d7747641aa | 486 | if (ModeOption == PWM_CHANNEL_SINGLE_EDGE) |
| frank26080115 | 0:84d7747641aa | 487 | { |
| frank26080115 | 0:84d7747641aa | 488 | PWMx->PCR &= (~PWM_PCR_PWMSELn(PWMChannel)) & PWM_PCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 489 | } |
| frank26080115 | 0:84d7747641aa | 490 | // Double edge mode |
| frank26080115 | 0:84d7747641aa | 491 | else if (PWM_CHANNEL_DUAL_EDGE) |
| frank26080115 | 0:84d7747641aa | 492 | { |
| frank26080115 | 0:84d7747641aa | 493 | PWMx->PCR |= PWM_PCR_PWMSELn(PWMChannel); |
| frank26080115 | 0:84d7747641aa | 494 | } |
| frank26080115 | 0:84d7747641aa | 495 | } |
| frank26080115 | 0:84d7747641aa | 496 | |
| frank26080115 | 0:84d7747641aa | 497 | |
| frank26080115 | 0:84d7747641aa | 498 | |
| frank26080115 | 0:84d7747641aa | 499 | /********************************************************************//** |
| frank26080115 | 0:84d7747641aa | 500 | * @brief Enable/Disable PWM channel output |
| frank26080115 | 0:84d7747641aa | 501 | * @param[in] PWMx PWM peripheral selected, should be LPC_PWM1 |
| frank26080115 | 0:84d7747641aa | 502 | * @param[in] PWMChannel PWM channel, should be in range from 1 to 6 |
| frank26080115 | 0:84d7747641aa | 503 | * @param[in] NewState New State of this function, should be: |
| frank26080115 | 0:84d7747641aa | 504 | * - ENABLE: Enable this PWM channel output |
| frank26080115 | 0:84d7747641aa | 505 | * - DISABLE: Disable this PWM channel output |
| frank26080115 | 0:84d7747641aa | 506 | * @return None |
| frank26080115 | 0:84d7747641aa | 507 | *********************************************************************/ |
| frank26080115 | 0:84d7747641aa | 508 | void PWM_ChannelCmd(LPC_PWM_TypeDef *PWMx, uint8_t PWMChannel, FunctionalState NewState) |
| frank26080115 | 0:84d7747641aa | 509 | { |
| frank26080115 | 0:84d7747641aa | 510 | CHECK_PARAM(PARAM_PWMx(PWMx)); |
| frank26080115 | 0:84d7747641aa | 511 | CHECK_PARAM(PARAM_PWM1_CHANNEL(PWMChannel)); |
| frank26080115 | 0:84d7747641aa | 512 | |
| frank26080115 | 0:84d7747641aa | 513 | if (NewState == ENABLE) |
| frank26080115 | 0:84d7747641aa | 514 | { |
| frank26080115 | 0:84d7747641aa | 515 | PWMx->PCR |= PWM_PCR_PWMENAn(PWMChannel); |
| frank26080115 | 0:84d7747641aa | 516 | } |
| frank26080115 | 0:84d7747641aa | 517 | else |
| frank26080115 | 0:84d7747641aa | 518 | { |
| frank26080115 | 0:84d7747641aa | 519 | PWMx->PCR &= (~PWM_PCR_PWMENAn(PWMChannel)) & PWM_PCR_BITMASK; |
| frank26080115 | 0:84d7747641aa | 520 | } |
| frank26080115 | 0:84d7747641aa | 521 | } |
| frank26080115 | 0:84d7747641aa | 522 | |
| frank26080115 | 0:84d7747641aa | 523 | /** |
| frank26080115 | 0:84d7747641aa | 524 | * @} |
| frank26080115 | 0:84d7747641aa | 525 | */ |
| frank26080115 | 0:84d7747641aa | 526 | |
| frank26080115 | 0:84d7747641aa | 527 | #endif /* _PWM */ |
| frank26080115 | 0:84d7747641aa | 528 | |
| frank26080115 | 0:84d7747641aa | 529 | /** |
| frank26080115 | 0:84d7747641aa | 530 | * @} |
| frank26080115 | 0:84d7747641aa | 531 | */ |
| frank26080115 | 0:84d7747641aa | 532 | |
| frank26080115 | 0:84d7747641aa | 533 | /* --------------------------------- End Of File ------------------------------ */ |