Peter Drescher / mbed-F401

mbed library with additional peripherals for ST F401 board

Fork of mbed-src by mbed official

This mbed LIB has additional peripherals for ST F401 board

  • UART2 : PA_3 rx, PA_2 tx
  • UART3 : PC_7 rx, PC_6 tx
  • I2C2 : PB_3 SDA, PB_10 SCL
  • I2C3 : PB_4 SDA, PA_8 SCL

targets/cmsis/TARGET_STM/TARGET_NUCLEO_F030R8/stm32f0xx_cec.c@106:ced8cbb51063, 2014-02-26 (annotated)

Committer:
mbed_official
Date:
Wed Feb 26 09:45:12 2014 +0000
Revision:
106:ced8cbb51063
Parent:
76:aeb1df146756 
Synchronized with git revision 4222735eff5868389433f0e9271976b39c8115cd



Full URL: https://github.com/mbedmicro/mbed/commit/4222735eff5868389433f0e9271976b39c8115cd/



[NUCLEO_xxx] Update STM32CubeF4 driver V1.0.0 + update license

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 76:aeb1df146756 1 /**
mbed_official 76:aeb1df146756 2 ******************************************************************************
mbed_official 76:aeb1df146756 3 * @file stm32f0xx_cec.c
mbed_official 76:aeb1df146756 4 * @author MCD Application Team
mbed_official 76:aeb1df146756 5 * @version V1.3.0
mbed_official 76:aeb1df146756 6 * @date 16-January-2014
mbed_official 76:aeb1df146756 7 * @brief This file provides firmware functions to manage the following
mbed_official 76:aeb1df146756 8 * functionalities of the Consumer Electronics Control (CEC) peripheral
mbed_official 76:aeb1df146756 9 * applicable only on STM32F051, STM32F042 and STM32F072 devices:
mbed_official 76:aeb1df146756 10 * + Initialization and Configuration
mbed_official 76:aeb1df146756 11 * + Data transfers functions
mbed_official 76:aeb1df146756 12 * + Interrupts and flags management
mbed_official 76:aeb1df146756 13 *
mbed_official 76:aeb1df146756 14 * @verbatim
mbed_official 76:aeb1df146756 15 ==============================================================================
mbed_official 76:aeb1df146756 16 ##### CEC features #####
mbed_official 76:aeb1df146756 17 ==============================================================================
mbed_official 76:aeb1df146756 18 [..] This device provides some features:
mbed_official 76:aeb1df146756 19 (#) Supports HDMI-CEC specification 1.4.
mbed_official 76:aeb1df146756 20 (#) Supports two source clocks(HSI/244 or LSE).
mbed_official 76:aeb1df146756 21 (#) Works in stop mode(without APB clock, but with CEC clock 32KHz).
mbed_official 76:aeb1df146756 22 It can genarate an interrupt in the CEC clock domain that the CPU
mbed_official 76:aeb1df146756 23 wakes up from the low power mode.
mbed_official 76:aeb1df146756 24 (#) Configurable Signal Free Time before of transmission start. The
mbed_official 76:aeb1df146756 25 number of nominal data bit periods waited before transmission can be
mbed_official 76:aeb1df146756 26 ruled by Hardware or Software.
mbed_official 76:aeb1df146756 27 (#) Configurable Peripheral Address (multi-addressing configuration).
mbed_official 76:aeb1df146756 28 (#) Supports listen mode.The CEC Messages addressed to different destination
mbed_official 76:aeb1df146756 29 can be received without interfering with CEC bus when Listen mode option is enabled.
mbed_official 76:aeb1df146756 30 (#) Configurable Rx-Tolerance(Standard and Extended tolerance margin).
mbed_official 76:aeb1df146756 31 (#) Error detection with configurable error bit generation.
mbed_official 76:aeb1df146756 32 (#) Arbitration lost error in the case of two CEC devices starting at the same time.
mbed_official 76:aeb1df146756 33
mbed_official 76:aeb1df146756 34 ##### How to use this driver #####
mbed_official 76:aeb1df146756 35 ==============================================================================
mbed_official 76:aeb1df146756 36 [..] This driver provides functions to configure and program the CEC device,
mbed_official 76:aeb1df146756 37 follow steps below:
mbed_official 76:aeb1df146756 38 (#) The source clock can be configured using:
mbed_official 76:aeb1df146756 39 (++) RCC_CECCLKConfig(RCC_CECCLK_HSI_Div244) for HSI(Default)
mbed_official 76:aeb1df146756 40 (++) RCC_CECCLKConfig(RCC_CECCLK_LSE) for LSE.
mbed_official 76:aeb1df146756 41 (#) Enable CEC peripheral clock using RCC_APBPeriphClockCmd(RCC_APBPeriph_CEC, ENABLE).
mbed_official 76:aeb1df146756 42 (#) Peripherals alternate function.
mbed_official 76:aeb1df146756 43 (++) Connect the pin to the desired peripherals' Alternate Function (AF) using
mbed_official 76:aeb1df146756 44 GPIO_PinAFConfig() function.
mbed_official 76:aeb1df146756 45 (++) Configure the desired pin in alternate function by:
mbed_official 76:aeb1df146756 46 GPIO_InitStruct->GPIO_Mode = GPIO_Mode_AF.
mbed_official 76:aeb1df146756 47 (++) Select the type open-drain and output speed via GPIO_OType
mbed_official 76:aeb1df146756 48 and GPIO_Speed members.
mbed_official 76:aeb1df146756 49 (++) Call GPIO_Init() function.
mbed_official 76:aeb1df146756 50 (#) Configure the Signal Free Time, Rx Tolerance, Stop reception generation
mbed_official 76:aeb1df146756 51 and Bit error generation using the CEC_Init() function.
mbed_official 76:aeb1df146756 52 The function CEC_Init() must be called when the CEC peripheral is disabled.
mbed_official 76:aeb1df146756 53 (#) Configure the CEC own address by calling the fuction CEC_OwnAddressConfig().
mbed_official 76:aeb1df146756 54 (#) Optionally, you can configure the Listen mode using the function CEC_ListenModeCmd().
mbed_official 76:aeb1df146756 55 (#) Enable the NVIC and the corresponding interrupt using the function
mbed_official 76:aeb1df146756 56 CEC_ITConfig() if you need to use interrupt mode.
mbed_official 76:aeb1df146756 57 CEC_ITConfig() must be called before enabling the CEC peripheral.
mbed_official 76:aeb1df146756 58 (#) Enable the CEC using the CEC_Cmd() function.
mbed_official 76:aeb1df146756 59 (#) Charge the first data byte in the TXDR register using CEC_SendDataByte().
mbed_official 76:aeb1df146756 60 (#) Enable the transmission of the Byte of a CEC message using CEC_StartOfMessage()
mbed_official 76:aeb1df146756 61 (#) Transmit single data through the CEC peripheral using CEC_SendDataByte()
mbed_official 76:aeb1df146756 62 and Receive the last transmitted byte using CEC_ReceiveDataByte().
mbed_official 76:aeb1df146756 63 (#) Enable the CEC_EndOfMessage() in order to indicate the last byte of the message.
mbed_official 76:aeb1df146756 64 [..]
mbed_official 76:aeb1df146756 65 (@) If the listen mode is enabled, Stop reception generation and Bit error generation
mbed_official 76:aeb1df146756 66 must be in reset state.
mbed_official 76:aeb1df146756 67 (@) If the CEC message consists of only 1 byte, the function CEC_EndOfMessage()
mbed_official 76:aeb1df146756 68 must be called before CEC_StartOfMessage().
mbed_official 76:aeb1df146756 69
mbed_official 76:aeb1df146756 70 @endverbatim
mbed_official 76:aeb1df146756 71 *
mbed_official 76:aeb1df146756 72 ******************************************************************************
mbed_official 76:aeb1df146756 73 * @attention
mbed_official 76:aeb1df146756 74 *
mbed_official 106:ced8cbb51063 75 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
mbed_official 76:aeb1df146756 76 *
mbed_official 106:ced8cbb51063 77 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 106:ced8cbb51063 78 * are permitted provided that the following conditions are met:
mbed_official 106:ced8cbb51063 79 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 106:ced8cbb51063 80 * this list of conditions and the following disclaimer.
mbed_official 106:ced8cbb51063 81 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 106:ced8cbb51063 82 * this list of conditions and the following disclaimer in the documentation
mbed_official 106:ced8cbb51063 83 * and/or other materials provided with the distribution.
mbed_official 106:ced8cbb51063 84 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 106:ced8cbb51063 85 * may be used to endorse or promote products derived from this software
mbed_official 106:ced8cbb51063 86 * without specific prior written permission.
mbed_official 76:aeb1df146756 87 *
mbed_official 106:ced8cbb51063 88 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 106:ced8cbb51063 89 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 106:ced8cbb51063 90 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 106:ced8cbb51063 91 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 106:ced8cbb51063 92 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 106:ced8cbb51063 93 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 106:ced8cbb51063 94 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 106:ced8cbb51063 95 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 106:ced8cbb51063 96 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 106:ced8cbb51063 97 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 76:aeb1df146756 98 *
mbed_official 76:aeb1df146756 99 ******************************************************************************
mbed_official 76:aeb1df146756 100 */
mbed_official 76:aeb1df146756 101
mbed_official 76:aeb1df146756 102 /* Includes ------------------------------------------------------------------*/
mbed_official 76:aeb1df146756 103 #include "stm32f0xx_cec.h"
mbed_official 76:aeb1df146756 104 #include "stm32f0xx_rcc.h"
mbed_official 76:aeb1df146756 105
mbed_official 76:aeb1df146756 106 /** @addtogroup STM32F0xx_StdPeriph_Driver
mbed_official 76:aeb1df146756 107 * @{
mbed_official 76:aeb1df146756 108 */
mbed_official 76:aeb1df146756 109
mbed_official 76:aeb1df146756 110 /** @defgroup CEC
mbed_official 76:aeb1df146756 111 * @brief CEC driver modules
mbed_official 76:aeb1df146756 112 * @{
mbed_official 76:aeb1df146756 113 */
mbed_official 76:aeb1df146756 114
mbed_official 76:aeb1df146756 115 /* Private typedef -----------------------------------------------------------*/
mbed_official 76:aeb1df146756 116 /* Private define ------------------------------------------------------------*/
mbed_official 76:aeb1df146756 117 #define BROADCAST_ADDRESS ((uint32_t)0x0000F)
mbed_official 76:aeb1df146756 118 #define CFGR_CLEAR_MASK ((uint32_t)0x7000FE00) /* CFGR register Mask */
mbed_official 76:aeb1df146756 119
mbed_official 76:aeb1df146756 120 /* Private macro -------------------------------------------------------------*/
mbed_official 76:aeb1df146756 121 /* Private variables ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 122 /* Private function prototypes -----------------------------------------------*/
mbed_official 76:aeb1df146756 123 /* Private functions ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 124
mbed_official 76:aeb1df146756 125 /** @defgroup CEC_Private_Functions
mbed_official 76:aeb1df146756 126 * @{
mbed_official 76:aeb1df146756 127 */
mbed_official 76:aeb1df146756 128
mbed_official 76:aeb1df146756 129 /** @defgroup CEC_Group1 Initialization and Configuration functions
mbed_official 76:aeb1df146756 130 * @brief Initialization and Configuration functions
mbed_official 76:aeb1df146756 131 *
mbed_official 76:aeb1df146756 132 @verbatim
mbed_official 76:aeb1df146756 133 ===============================================================================
mbed_official 76:aeb1df146756 134 ##### Initialization and Configuration functions #####
mbed_official 76:aeb1df146756 135 ===============================================================================
mbed_official 76:aeb1df146756 136 [..] This section provides functions allowing to initialize:
mbed_official 76:aeb1df146756 137 (+) CEC own addresses
mbed_official 76:aeb1df146756 138 (+) CEC Signal Free Time
mbed_official 76:aeb1df146756 139 (+) CEC Rx Tolerance
mbed_official 76:aeb1df146756 140 (+) CEC Stop Reception
mbed_official 76:aeb1df146756 141 (+) CEC Bit Rising Error
mbed_official 76:aeb1df146756 142 (+) CEC Long Bit Period Error
mbed_official 76:aeb1df146756 143 [..] This section provides also a function to configure the CEC peripheral in Listen Mode.
mbed_official 76:aeb1df146756 144 Messages addressed to different destination can be received when Listen mode is
mbed_official 76:aeb1df146756 145 enabled without interfering with CEC bus.
mbed_official 76:aeb1df146756 146 @endverbatim
mbed_official 76:aeb1df146756 147 * @{
mbed_official 76:aeb1df146756 148 */
mbed_official 76:aeb1df146756 149
mbed_official 76:aeb1df146756 150 /**
mbed_official 76:aeb1df146756 151 * @brief Deinitializes the CEC peripheral registers to their default reset values.
mbed_official 76:aeb1df146756 152 * @param None
mbed_official 76:aeb1df146756 153 * @retval None
mbed_official 76:aeb1df146756 154 */
mbed_official 76:aeb1df146756 155 void CEC_DeInit(void)
mbed_official 76:aeb1df146756 156 {
mbed_official 76:aeb1df146756 157 RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, ENABLE);
mbed_official 76:aeb1df146756 158 RCC_APB1PeriphResetCmd(RCC_APB1Periph_CEC, DISABLE);
mbed_official 76:aeb1df146756 159 }
mbed_official 76:aeb1df146756 160
mbed_official 76:aeb1df146756 161 /**
mbed_official 76:aeb1df146756 162 * @brief Initializes the CEC peripheral according to the specified parameters
mbed_official 76:aeb1df146756 163 * in the CEC_InitStruct.
mbed_official 76:aeb1df146756 164 * @note The CEC parameters must be configured before enabling the CEC peripheral.
mbed_official 76:aeb1df146756 165 * @param CEC_InitStruct: pointer to an CEC_InitTypeDef structure that contains
mbed_official 76:aeb1df146756 166 * the configuration information for the specified CEC peripheral.
mbed_official 76:aeb1df146756 167 * @retval None
mbed_official 76:aeb1df146756 168 */
mbed_official 76:aeb1df146756 169 void CEC_Init(CEC_InitTypeDef* CEC_InitStruct)
mbed_official 76:aeb1df146756 170 {
mbed_official 76:aeb1df146756 171 uint32_t tmpreg = 0;
mbed_official 76:aeb1df146756 172
mbed_official 76:aeb1df146756 173 /* Check the parameters */
mbed_official 76:aeb1df146756 174 assert_param(IS_CEC_SIGNAL_FREE_TIME(CEC_InitStruct->CEC_SignalFreeTime));
mbed_official 76:aeb1df146756 175 assert_param(IS_CEC_RX_TOLERANCE(CEC_InitStruct->CEC_RxTolerance));
mbed_official 76:aeb1df146756 176 assert_param(IS_CEC_STOP_RECEPTION(CEC_InitStruct->CEC_StopReception));
mbed_official 76:aeb1df146756 177 assert_param(IS_CEC_BIT_RISING_ERROR(CEC_InitStruct->CEC_BitRisingError));
mbed_official 76:aeb1df146756 178 assert_param(IS_CEC_LONG_BIT_PERIOD_ERROR(CEC_InitStruct->CEC_LongBitPeriodError));
mbed_official 76:aeb1df146756 179 assert_param(IS_CEC_BDR_NO_GEN_ERROR(CEC_InitStruct->CEC_BRDNoGen));
mbed_official 76:aeb1df146756 180 assert_param(IS_CEC_SFT_OPTION(CEC_InitStruct->CEC_SFTOption));
mbed_official 76:aeb1df146756 181
mbed_official 76:aeb1df146756 182 /* Get the CEC CFGR value */
mbed_official 76:aeb1df146756 183 tmpreg = CEC->CFGR;
mbed_official 76:aeb1df146756 184
mbed_official 76:aeb1df146756 185 /* Clear CFGR bits */
mbed_official 76:aeb1df146756 186 tmpreg &= CFGR_CLEAR_MASK;
mbed_official 76:aeb1df146756 187
mbed_official 76:aeb1df146756 188 /* Configure the CEC peripheral */
mbed_official 76:aeb1df146756 189 tmpreg |= (CEC_InitStruct->CEC_SignalFreeTime | CEC_InitStruct->CEC_RxTolerance |
mbed_official 76:aeb1df146756 190 CEC_InitStruct->CEC_StopReception | CEC_InitStruct->CEC_BitRisingError |
mbed_official 76:aeb1df146756 191 CEC_InitStruct->CEC_LongBitPeriodError| CEC_InitStruct->CEC_BRDNoGen |
mbed_official 76:aeb1df146756 192 CEC_InitStruct->CEC_SFTOption);
mbed_official 76:aeb1df146756 193
mbed_official 76:aeb1df146756 194 /* Write to CEC CFGR register */
mbed_official 76:aeb1df146756 195 CEC->CFGR = tmpreg;
mbed_official 76:aeb1df146756 196 }
mbed_official 76:aeb1df146756 197
mbed_official 76:aeb1df146756 198 /**
mbed_official 76:aeb1df146756 199 * @brief Fills each CEC_InitStruct member with its default value.
mbed_official 76:aeb1df146756 200 * @param CEC_InitStruct: pointer to a CEC_InitTypeDef structure which will
mbed_official 76:aeb1df146756 201 * be initialized.
mbed_official 76:aeb1df146756 202 * @retval None
mbed_official 76:aeb1df146756 203 */
mbed_official 76:aeb1df146756 204 void CEC_StructInit(CEC_InitTypeDef* CEC_InitStruct)
mbed_official 76:aeb1df146756 205 {
mbed_official 76:aeb1df146756 206 CEC_InitStruct->CEC_SignalFreeTime = CEC_SignalFreeTime_Standard;
mbed_official 76:aeb1df146756 207 CEC_InitStruct->CEC_RxTolerance = CEC_RxTolerance_Standard;
mbed_official 76:aeb1df146756 208 CEC_InitStruct->CEC_StopReception = CEC_StopReception_Off;
mbed_official 76:aeb1df146756 209 CEC_InitStruct->CEC_BitRisingError = CEC_BitRisingError_Off;
mbed_official 76:aeb1df146756 210 CEC_InitStruct->CEC_LongBitPeriodError = CEC_LongBitPeriodError_Off;
mbed_official 76:aeb1df146756 211 CEC_InitStruct->CEC_BRDNoGen = CEC_BRDNoGen_Off;
mbed_official 76:aeb1df146756 212 CEC_InitStruct->CEC_SFTOption = CEC_SFTOption_Off;
mbed_official 76:aeb1df146756 213 }
mbed_official 76:aeb1df146756 214
mbed_official 76:aeb1df146756 215 /**
mbed_official 76:aeb1df146756 216 * @brief Enables or disables the CEC peripheral.
mbed_official 76:aeb1df146756 217 * @param NewState: new state of the CEC peripheral.
mbed_official 76:aeb1df146756 218 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 219 * @retval None
mbed_official 76:aeb1df146756 220 */
mbed_official 76:aeb1df146756 221 void CEC_Cmd(FunctionalState NewState)
mbed_official 76:aeb1df146756 222 {
mbed_official 76:aeb1df146756 223 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 224
mbed_official 76:aeb1df146756 225 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 226 {
mbed_official 76:aeb1df146756 227 /* Enable the CEC peripheral */
mbed_official 76:aeb1df146756 228 CEC->CR |= CEC_CR_CECEN;
mbed_official 76:aeb1df146756 229 }
mbed_official 76:aeb1df146756 230 else
mbed_official 76:aeb1df146756 231 {
mbed_official 76:aeb1df146756 232 /* Disable the CEC peripheral */
mbed_official 76:aeb1df146756 233 CEC->CR &= ~CEC_CR_CECEN;
mbed_official 76:aeb1df146756 234 }
mbed_official 76:aeb1df146756 235 }
mbed_official 76:aeb1df146756 236
mbed_official 76:aeb1df146756 237 /**
mbed_official 76:aeb1df146756 238 * @brief Enables or disables the CEC Listen Mode.
mbed_official 76:aeb1df146756 239 * @param NewState: new state of the Listen Mode.
mbed_official 76:aeb1df146756 240 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 241 * @retval None
mbed_official 76:aeb1df146756 242 */
mbed_official 76:aeb1df146756 243 void CEC_ListenModeCmd(FunctionalState NewState)
mbed_official 76:aeb1df146756 244 {
mbed_official 76:aeb1df146756 245 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 246
mbed_official 76:aeb1df146756 247 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 248 {
mbed_official 76:aeb1df146756 249 /* Enable the Listen Mode */
mbed_official 76:aeb1df146756 250 CEC->CFGR |= CEC_CFGR_LSTN;
mbed_official 76:aeb1df146756 251 }
mbed_official 76:aeb1df146756 252 else
mbed_official 76:aeb1df146756 253 {
mbed_official 76:aeb1df146756 254 /* Disable the Listen Mode */
mbed_official 76:aeb1df146756 255 CEC->CFGR &= ~CEC_CFGR_LSTN;
mbed_official 76:aeb1df146756 256 }
mbed_official 76:aeb1df146756 257 }
mbed_official 76:aeb1df146756 258
mbed_official 76:aeb1df146756 259 /**
mbed_official 76:aeb1df146756 260 * @brief Defines the Own Address of the CEC device.
mbed_official 76:aeb1df146756 261 * @param CEC_OwnAddress: The CEC own address.
mbed_official 76:aeb1df146756 262 * @retval None
mbed_official 76:aeb1df146756 263 */
mbed_official 76:aeb1df146756 264 void CEC_OwnAddressConfig(uint8_t CEC_OwnAddress)
mbed_official 76:aeb1df146756 265 {
mbed_official 76:aeb1df146756 266 uint32_t tmp =0x00;
mbed_official 76:aeb1df146756 267 /* Check the parameters */
mbed_official 76:aeb1df146756 268 assert_param(IS_CEC_ADDRESS(CEC_OwnAddress));
mbed_official 76:aeb1df146756 269 tmp = 1 <<(CEC_OwnAddress + 16);
mbed_official 76:aeb1df146756 270 /* Set the CEC own address */
mbed_official 76:aeb1df146756 271 CEC->CFGR |= tmp;
mbed_official 76:aeb1df146756 272 }
mbed_official 76:aeb1df146756 273
mbed_official 76:aeb1df146756 274 /**
mbed_official 76:aeb1df146756 275 * @brief Clears the Own Address of the CEC device.
mbed_official 76:aeb1df146756 276 * @param CEC_OwnAddress: The CEC own address.
mbed_official 76:aeb1df146756 277 * @retval None
mbed_official 76:aeb1df146756 278 */
mbed_official 76:aeb1df146756 279 void CEC_OwnAddressClear(void)
mbed_official 76:aeb1df146756 280 {
mbed_official 76:aeb1df146756 281 /* Set the CEC own address */
mbed_official 76:aeb1df146756 282 CEC->CFGR = 0x0;
mbed_official 76:aeb1df146756 283 }
mbed_official 76:aeb1df146756 284
mbed_official 76:aeb1df146756 285 /**
mbed_official 76:aeb1df146756 286 * @}
mbed_official 76:aeb1df146756 287 */
mbed_official 76:aeb1df146756 288
mbed_official 76:aeb1df146756 289 /** @defgroup CEC_Group2 Data transfers functions
mbed_official 76:aeb1df146756 290 * @brief Data transfers functions
mbed_official 76:aeb1df146756 291 *
mbed_official 76:aeb1df146756 292 @verbatim
mbed_official 76:aeb1df146756 293 ===============================================================================
mbed_official 76:aeb1df146756 294 ##### Data transfers functions #####
mbed_official 76:aeb1df146756 295 ===============================================================================
mbed_official 76:aeb1df146756 296 [..] This section provides functions allowing the CEC data transfers.The read
mbed_official 76:aeb1df146756 297 access of the CEC_RXDR register can be done using the CEC_ReceiveData()function
mbed_official 76:aeb1df146756 298 and returns the Rx buffered value. Whereas a write access to the CEC_TXDR can be
mbed_official 76:aeb1df146756 299 done using CEC_SendData() function.
mbed_official 76:aeb1df146756 300 @endverbatim
mbed_official 76:aeb1df146756 301 * @{
mbed_official 76:aeb1df146756 302 */
mbed_official 76:aeb1df146756 303
mbed_official 76:aeb1df146756 304 /**
mbed_official 76:aeb1df146756 305 * @brief Transmits single data through the CEC peripheral.
mbed_official 76:aeb1df146756 306 * @param Data: the data to transmit.
mbed_official 76:aeb1df146756 307 * @retval None
mbed_official 76:aeb1df146756 308 */
mbed_official 76:aeb1df146756 309 void CEC_SendData(uint8_t Data)
mbed_official 76:aeb1df146756 310 {
mbed_official 76:aeb1df146756 311 /* Transmit Data */
mbed_official 76:aeb1df146756 312 CEC->TXDR = Data;
mbed_official 76:aeb1df146756 313 }
mbed_official 76:aeb1df146756 314
mbed_official 76:aeb1df146756 315 /**
mbed_official 76:aeb1df146756 316 * @brief Returns the most recent received data by the CEC peripheral.
mbed_official 76:aeb1df146756 317 * @param None
mbed_official 76:aeb1df146756 318 * @retval The received data.
mbed_official 76:aeb1df146756 319 */
mbed_official 76:aeb1df146756 320 uint8_t CEC_ReceiveData(void)
mbed_official 76:aeb1df146756 321 {
mbed_official 76:aeb1df146756 322 /* Receive Data */
mbed_official 76:aeb1df146756 323 return (uint8_t)(CEC->RXDR);
mbed_official 76:aeb1df146756 324 }
mbed_official 76:aeb1df146756 325
mbed_official 76:aeb1df146756 326 /**
mbed_official 76:aeb1df146756 327 * @brief Starts a new message.
mbed_official 76:aeb1df146756 328 * @param None
mbed_official 76:aeb1df146756 329 * @retval None
mbed_official 76:aeb1df146756 330 */
mbed_official 76:aeb1df146756 331 void CEC_StartOfMessage(void)
mbed_official 76:aeb1df146756 332 {
mbed_official 76:aeb1df146756 333 /* Starts of new message */
mbed_official 76:aeb1df146756 334 CEC->CR |= CEC_CR_TXSOM;
mbed_official 76:aeb1df146756 335 }
mbed_official 76:aeb1df146756 336
mbed_official 76:aeb1df146756 337 /**
mbed_official 76:aeb1df146756 338 * @brief Transmits message with an EOM bit.
mbed_official 76:aeb1df146756 339 * @param None
mbed_official 76:aeb1df146756 340 * @retval None
mbed_official 76:aeb1df146756 341 */
mbed_official 76:aeb1df146756 342 void CEC_EndOfMessage(void)
mbed_official 76:aeb1df146756 343 {
mbed_official 76:aeb1df146756 344 /* The data byte will be transmitted with an EOM bit */
mbed_official 76:aeb1df146756 345 CEC->CR |= CEC_CR_TXEOM;
mbed_official 76:aeb1df146756 346 }
mbed_official 76:aeb1df146756 347
mbed_official 76:aeb1df146756 348 /**
mbed_official 76:aeb1df146756 349 * @}
mbed_official 76:aeb1df146756 350 */
mbed_official 76:aeb1df146756 351
mbed_official 76:aeb1df146756 352 /** @defgroup CEC_Group3 Interrupts and flags management functions
mbed_official 76:aeb1df146756 353 * @brief Interrupts and flags management functions
mbed_official 76:aeb1df146756 354 *
mbed_official 76:aeb1df146756 355 @verbatim
mbed_official 76:aeb1df146756 356 ===============================================================================
mbed_official 76:aeb1df146756 357 ##### Interrupts and flags management functions #####
mbed_official 76:aeb1df146756 358 ===============================================================================
mbed_official 76:aeb1df146756 359 [..] This section provides functions allowing to configure the CEC Interrupts
mbed_official 76:aeb1df146756 360 sources and check or clear the flags or pending bits status.
mbed_official 76:aeb1df146756 361 [..] The user should identify which mode will be used in his application to manage
mbed_official 76:aeb1df146756 362 the communication: Polling mode or Interrupt mode.
mbed_official 76:aeb1df146756 363
mbed_official 76:aeb1df146756 364 [..] In polling mode, the CEC can be managed by the following flags:
mbed_official 76:aeb1df146756 365 (+) CEC_FLAG_TXACKE : to indicate a missing acknowledge in transmission mode.
mbed_official 76:aeb1df146756 366 (+) CEC_FLAG_TXERR : to indicate an error occurs during transmission mode.
mbed_official 76:aeb1df146756 367 The initiator detects low impedance in the CEC line.
mbed_official 76:aeb1df146756 368 (+) CEC_FLAG_TXUDR : to indicate if an underrun error occurs in transmission mode.
mbed_official 76:aeb1df146756 369 The transmission is enabled while the software has not yet
mbed_official 76:aeb1df146756 370 loaded any value into the TXDR register.
mbed_official 76:aeb1df146756 371 (+) CEC_FLAG_TXEND : to indicate the end of successful transmission.
mbed_official 76:aeb1df146756 372 (+) CEC_FLAG_TXBR : to indicate the next transmission data has to be written to TXDR.
mbed_official 76:aeb1df146756 373 (+) CEC_FLAG_ARBLST : to indicate arbitration lost in the case of two CEC devices
mbed_official 76:aeb1df146756 374 starting at the same time.
mbed_official 76:aeb1df146756 375 (+) CEC_FLAG_RXACKE : to indicate a missing acknowledge in receive mode.
mbed_official 76:aeb1df146756 376 (+) CEC_FLAG_LBPE : to indicate a long bit period error generated during receive mode.
mbed_official 76:aeb1df146756 377 (+) CEC_FLAG_SBPE : to indicate a short bit period error generated during receive mode.
mbed_official 76:aeb1df146756 378 (+) CEC_FLAG_BRE : to indicate a bit rising error generated during receive mode.
mbed_official 76:aeb1df146756 379 (+) CEC_FLAG_RXOVR : to indicate if an overrun error occur while receiving a CEC message.
mbed_official 76:aeb1df146756 380 A byte is not yet received while a new byte is stored in the RXDR register.
mbed_official 76:aeb1df146756 381 (+) CEC_FLAG_RXEND : to indicate the end Of reception
mbed_official 76:aeb1df146756 382 (+) CEC_FLAG_RXBR : to indicate a new byte has been received from the CEC line and
mbed_official 76:aeb1df146756 383 stored into the RXDR buffer.
mbed_official 76:aeb1df146756 384 [..]
mbed_official 76:aeb1df146756 385 (@)In this Mode, it is advised to use the following functions:
mbed_official 76:aeb1df146756 386 FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG);
mbed_official 76:aeb1df146756 387 void CEC_ClearFlag(uint16_t CEC_FLAG);
mbed_official 76:aeb1df146756 388
mbed_official 76:aeb1df146756 389 [..] In Interrupt mode, the CEC can be managed by the following interrupt sources:
mbed_official 76:aeb1df146756 390 (+) CEC_IT_TXACKE : to indicate a TX Missing acknowledge
mbed_official 76:aeb1df146756 391 (+) CEC_IT_TXACKE : to indicate a missing acknowledge in transmission mode.
mbed_official 76:aeb1df146756 392 (+) CEC_IT_TXERR : to indicate an error occurs during transmission mode.
mbed_official 76:aeb1df146756 393 The initiator detects low impedance in the CEC line.
mbed_official 76:aeb1df146756 394 (+) CEC_IT_TXUDR : to indicate if an underrun error occurs in transmission mode.
mbed_official 76:aeb1df146756 395 The transmission is enabled while the software has not yet
mbed_official 76:aeb1df146756 396 loaded any value into the TXDR register.
mbed_official 76:aeb1df146756 397 (+) CEC_IT_TXEND : to indicate the end of successful transmission.
mbed_official 76:aeb1df146756 398 (+) CEC_IT_TXBR : to indicate the next transmission data has to be written to TXDR register.
mbed_official 76:aeb1df146756 399 (+) CEC_IT_ARBLST : to indicate arbitration lost in the case of two CEC devices
mbed_official 76:aeb1df146756 400 starting at the same time.
mbed_official 76:aeb1df146756 401 (+) CEC_IT_RXACKE : to indicate a missing acknowledge in receive mode.
mbed_official 76:aeb1df146756 402 (+) CEC_IT_LBPE : to indicate a long bit period error generated during receive mode.
mbed_official 76:aeb1df146756 403 (+) CEC_IT_SBPE : to indicate a short bit period error generated during receive mode.
mbed_official 76:aeb1df146756 404 (+) CEC_IT_BRE : to indicate a bit rising error generated during receive mode.
mbed_official 76:aeb1df146756 405 (+) CEC_IT_RXOVR : to indicate if an overrun error occur while receiving a CEC message.
mbed_official 76:aeb1df146756 406 A byte is not yet received while a new byte is stored in the RXDR register.
mbed_official 76:aeb1df146756 407 (+) CEC_IT_RXEND : to indicate the end Of reception
mbed_official 76:aeb1df146756 408 (+) CEC_IT_RXBR : to indicate a new byte has been received from the CEC line and
mbed_official 76:aeb1df146756 409 stored into the RXDR buffer.
mbed_official 76:aeb1df146756 410 [..]
mbed_official 76:aeb1df146756 411 (@)In this Mode it is advised to use the following functions:
mbed_official 76:aeb1df146756 412 void CEC_ITConfig( uint16_t CEC_IT, FunctionalState NewState);
mbed_official 76:aeb1df146756 413 ITStatus CEC_GetITStatus(uint16_t CEC_IT);
mbed_official 76:aeb1df146756 414 void CEC_ClearITPendingBit(uint16_t CEC_IT);
mbed_official 76:aeb1df146756 415
mbed_official 76:aeb1df146756 416
mbed_official 76:aeb1df146756 417 @endverbatim
mbed_official 76:aeb1df146756 418 * @{
mbed_official 76:aeb1df146756 419 */
mbed_official 76:aeb1df146756 420
mbed_official 76:aeb1df146756 421 /**
mbed_official 76:aeb1df146756 422 * @brief Enables or disables the selected CEC interrupts.
mbed_official 76:aeb1df146756 423 * @param CEC_IT: specifies the CEC interrupt source to be enabled.
mbed_official 76:aeb1df146756 424 * This parameter can be any combination of the following values:
mbed_official 76:aeb1df146756 425 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
mbed_official 76:aeb1df146756 426 * @arg CEC_IT_TXERR: Tx Error.
mbed_official 76:aeb1df146756 427 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun.
mbed_official 76:aeb1df146756 428 * @arg CEC_IT_TXEND: End of Transmission (successful transmission of the last byte).
mbed_official 76:aeb1df146756 429 * @arg CEC_IT_TXBR: Tx-Byte Request.
mbed_official 76:aeb1df146756 430 * @arg CEC_IT_ARBLST: Arbitration Lost
mbed_official 76:aeb1df146756 431 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge
mbed_official 76:aeb1df146756 432 * @arg CEC_IT_LBPE: Rx Long period Error
mbed_official 76:aeb1df146756 433 * @arg CEC_IT_SBPE: Rx Short period Error
mbed_official 76:aeb1df146756 434 * @arg CEC_IT_BRE: Rx Bit Rising Error
mbed_official 76:aeb1df146756 435 * @arg CEC_IT_RXOVR: Rx Overrun.
mbed_official 76:aeb1df146756 436 * @arg CEC_IT_RXEND: End Of Reception
mbed_official 76:aeb1df146756 437 * @arg CEC_IT_RXBR: Rx-Byte Received
mbed_official 76:aeb1df146756 438 * @param NewState: new state of the selected CEC interrupts.
mbed_official 76:aeb1df146756 439 * This parameter can be: ENABLE or DISABLE.
mbed_official 76:aeb1df146756 440 * @retval None
mbed_official 76:aeb1df146756 441 */
mbed_official 76:aeb1df146756 442 void CEC_ITConfig(uint16_t CEC_IT, FunctionalState NewState)
mbed_official 76:aeb1df146756 443 {
mbed_official 76:aeb1df146756 444 assert_param(IS_FUNCTIONAL_STATE(NewState));
mbed_official 76:aeb1df146756 445 assert_param(IS_CEC_IT(CEC_IT));
mbed_official 76:aeb1df146756 446
mbed_official 76:aeb1df146756 447 if (NewState != DISABLE)
mbed_official 76:aeb1df146756 448 {
mbed_official 76:aeb1df146756 449 /* Enable the selected CEC interrupt */
mbed_official 76:aeb1df146756 450 CEC->IER |= CEC_IT;
mbed_official 76:aeb1df146756 451 }
mbed_official 76:aeb1df146756 452 else
mbed_official 76:aeb1df146756 453 {
mbed_official 76:aeb1df146756 454 CEC_IT =~CEC_IT;
mbed_official 76:aeb1df146756 455 /* Disable the selected CEC interrupt */
mbed_official 76:aeb1df146756 456 CEC->IER &= CEC_IT;
mbed_official 76:aeb1df146756 457 }
mbed_official 76:aeb1df146756 458 }
mbed_official 76:aeb1df146756 459
mbed_official 76:aeb1df146756 460 /**
mbed_official 76:aeb1df146756 461 * @brief Gets the CEC flag status.
mbed_official 76:aeb1df146756 462 * @param CEC_FLAG: specifies the CEC flag to check.
mbed_official 76:aeb1df146756 463 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 464 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
mbed_official 76:aeb1df146756 465 * @arg CEC_FLAG_TXERR: Tx Error.
mbed_official 76:aeb1df146756 466 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun.
mbed_official 76:aeb1df146756 467 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
mbed_official 76:aeb1df146756 468 * @arg CEC_FLAG_TXBR: Tx-Byte Request.
mbed_official 76:aeb1df146756 469 * @arg CEC_FLAG_ARBLST: Arbitration Lost
mbed_official 76:aeb1df146756 470 * @arg CEC_FLAG_RXACKE: Rx-Missing Acknowledge
mbed_official 76:aeb1df146756 471 * @arg CEC_FLAG_LBPE: Rx Long period Error
mbed_official 76:aeb1df146756 472 * @arg CEC_FLAG_SBPE: Rx Short period Error
mbed_official 76:aeb1df146756 473 * @arg CEC_FLAG_BRE: Rx Bit Rissing Error
mbed_official 76:aeb1df146756 474 * @arg CEC_FLAG_RXOVR: Rx Overrun.
mbed_official 76:aeb1df146756 475 * @arg CEC_FLAG_RXEND: End Of Reception.
mbed_official 76:aeb1df146756 476 * @arg CEC_FLAG_RXBR: Rx-Byte Received.
mbed_official 76:aeb1df146756 477 * @retval The new state of CEC_FLAG (SET or RESET)
mbed_official 76:aeb1df146756 478 */
mbed_official 76:aeb1df146756 479 FlagStatus CEC_GetFlagStatus(uint16_t CEC_FLAG)
mbed_official 76:aeb1df146756 480 {
mbed_official 76:aeb1df146756 481 FlagStatus bitstatus = RESET;
mbed_official 76:aeb1df146756 482
mbed_official 76:aeb1df146756 483 assert_param(IS_CEC_GET_FLAG(CEC_FLAG));
mbed_official 76:aeb1df146756 484
mbed_official 76:aeb1df146756 485 /* Check the status of the specified CEC flag */
mbed_official 76:aeb1df146756 486 if ((CEC->ISR & CEC_FLAG) != (uint16_t)RESET)
mbed_official 76:aeb1df146756 487 {
mbed_official 76:aeb1df146756 488 /* CEC flag is set */
mbed_official 76:aeb1df146756 489 bitstatus = SET;
mbed_official 76:aeb1df146756 490 }
mbed_official 76:aeb1df146756 491 else
mbed_official 76:aeb1df146756 492 {
mbed_official 76:aeb1df146756 493 /* CEC flag is reset */
mbed_official 76:aeb1df146756 494 bitstatus = RESET;
mbed_official 76:aeb1df146756 495 }
mbed_official 76:aeb1df146756 496
mbed_official 76:aeb1df146756 497 /* Return the CEC flag status */
mbed_official 76:aeb1df146756 498 return bitstatus;
mbed_official 76:aeb1df146756 499 }
mbed_official 76:aeb1df146756 500
mbed_official 76:aeb1df146756 501 /**
mbed_official 76:aeb1df146756 502 * @brief Clears the CEC's pending flags.
mbed_official 76:aeb1df146756 503 * @param CEC_FLAG: specifies the flag to clear.
mbed_official 76:aeb1df146756 504 * This parameter can be any combination of the following values:
mbed_official 76:aeb1df146756 505 * @arg CEC_FLAG_TXACKE: Tx Missing acknowledge Error
mbed_official 76:aeb1df146756 506 * @arg CEC_FLAG_TXERR: Tx Error
mbed_official 76:aeb1df146756 507 * @arg CEC_FLAG_TXUDR: Tx-Buffer Underrun
mbed_official 76:aeb1df146756 508 * @arg CEC_FLAG_TXEND: End of transmission (successful transmission of the last byte).
mbed_official 76:aeb1df146756 509 * @arg CEC_FLAG_TXBR: Tx-Byte Request
mbed_official 76:aeb1df146756 510 * @arg CEC_FLAG_ARBLST: Arbitration Lost
mbed_official 76:aeb1df146756 511 * @arg CEC_FLAG_RXACKE: Rx Missing Acknowledge
mbed_official 76:aeb1df146756 512 * @arg CEC_FLAG_LBPE: Rx Long period Error
mbed_official 76:aeb1df146756 513 * @arg CEC_FLAG_SBPE: Rx Short period Error
mbed_official 76:aeb1df146756 514 * @arg CEC_FLAG_BRE: Rx Bit Rising Error
mbed_official 76:aeb1df146756 515 * @arg CEC_FLAG_RXOVR: Rx Overrun
mbed_official 76:aeb1df146756 516 * @arg CEC_FLAG_RXEND: End Of Reception
mbed_official 76:aeb1df146756 517 * @arg CEC_FLAG_RXBR: Rx-Byte Received
mbed_official 76:aeb1df146756 518 * @retval None
mbed_official 76:aeb1df146756 519 */
mbed_official 76:aeb1df146756 520 void CEC_ClearFlag(uint32_t CEC_FLAG)
mbed_official 76:aeb1df146756 521 {
mbed_official 76:aeb1df146756 522 assert_param(IS_CEC_CLEAR_FLAG(CEC_FLAG));
mbed_official 76:aeb1df146756 523
mbed_official 76:aeb1df146756 524 /* Clear the selected CEC flag */
mbed_official 76:aeb1df146756 525 CEC->ISR = CEC_FLAG;
mbed_official 76:aeb1df146756 526 }
mbed_official 76:aeb1df146756 527
mbed_official 76:aeb1df146756 528 /**
mbed_official 76:aeb1df146756 529 * @brief Checks whether the specified CEC interrupt has occurred or not.
mbed_official 76:aeb1df146756 530 * @param CEC_IT: specifies the CEC interrupt source to check.
mbed_official 76:aeb1df146756 531 * This parameter can be one of the following values:
mbed_official 76:aeb1df146756 532 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
mbed_official 76:aeb1df146756 533 * @arg CEC_IT_TXERR: Tx Error.
mbed_official 76:aeb1df146756 534 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun.
mbed_official 76:aeb1df146756 535 * @arg CEC_IT_TXEND: End of transmission (successful transmission of the last byte).
mbed_official 76:aeb1df146756 536 * @arg CEC_IT_TXBR: Tx-Byte Request.
mbed_official 76:aeb1df146756 537 * @arg CEC_IT_ARBLST: Arbitration Lost.
mbed_official 76:aeb1df146756 538 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge.
mbed_official 76:aeb1df146756 539 * @arg CEC_IT_LBPE: Rx Long period Error.
mbed_official 76:aeb1df146756 540 * @arg CEC_IT_SBPE: Rx Short period Error.
mbed_official 76:aeb1df146756 541 * @arg CEC_IT_BRE: Rx Bit Rising Error.
mbed_official 76:aeb1df146756 542 * @arg CEC_IT_RXOVR: Rx Overrun.
mbed_official 76:aeb1df146756 543 * @arg CEC_IT_RXEND: End Of Reception.
mbed_official 76:aeb1df146756 544 * @arg CEC_IT_RXBR: Rx-Byte Received
mbed_official 76:aeb1df146756 545 * @retval The new state of CEC_IT (SET or RESET).
mbed_official 76:aeb1df146756 546 */
mbed_official 76:aeb1df146756 547 ITStatus CEC_GetITStatus(uint16_t CEC_IT)
mbed_official 76:aeb1df146756 548 {
mbed_official 76:aeb1df146756 549 ITStatus bitstatus = RESET;
mbed_official 76:aeb1df146756 550 uint32_t enablestatus = 0;
mbed_official 76:aeb1df146756 551
mbed_official 76:aeb1df146756 552 /* Check the parameters */
mbed_official 76:aeb1df146756 553 assert_param(IS_CEC_GET_IT(CEC_IT));
mbed_official 76:aeb1df146756 554
mbed_official 76:aeb1df146756 555 /* Get the CEC IT enable bit status */
mbed_official 76:aeb1df146756 556 enablestatus = (CEC->IER & CEC_IT);
mbed_official 76:aeb1df146756 557
mbed_official 76:aeb1df146756 558 /* Check the status of the specified CEC interrupt */
mbed_official 76:aeb1df146756 559 if (((CEC->ISR & CEC_IT) != (uint32_t)RESET) && enablestatus)
mbed_official 76:aeb1df146756 560 {
mbed_official 76:aeb1df146756 561 /* CEC interrupt is set */
mbed_official 76:aeb1df146756 562 bitstatus = SET;
mbed_official 76:aeb1df146756 563 }
mbed_official 76:aeb1df146756 564 else
mbed_official 76:aeb1df146756 565 {
mbed_official 76:aeb1df146756 566 /* CEC interrupt is reset */
mbed_official 76:aeb1df146756 567 bitstatus = RESET;
mbed_official 76:aeb1df146756 568 }
mbed_official 76:aeb1df146756 569
mbed_official 76:aeb1df146756 570 /* Return the CEC interrupt status */
mbed_official 76:aeb1df146756 571 return bitstatus;
mbed_official 76:aeb1df146756 572 }
mbed_official 76:aeb1df146756 573
mbed_official 76:aeb1df146756 574 /**
mbed_official 76:aeb1df146756 575 * @brief Clears the CEC's interrupt pending bits.
mbed_official 76:aeb1df146756 576 * @param CEC_IT: specifies the CEC interrupt pending bit to clear.
mbed_official 76:aeb1df146756 577 * This parameter can be any combination of the following values:
mbed_official 76:aeb1df146756 578 * @arg CEC_IT_TXACKE: Tx Missing acknowledge Error
mbed_official 76:aeb1df146756 579 * @arg CEC_IT_TXERR: Tx Error
mbed_official 76:aeb1df146756 580 * @arg CEC_IT_TXUDR: Tx-Buffer Underrun
mbed_official 76:aeb1df146756 581 * @arg CEC_IT_TXEND: End of Transmission
mbed_official 76:aeb1df146756 582 * @arg CEC_IT_TXBR: Tx-Byte Request
mbed_official 76:aeb1df146756 583 * @arg CEC_IT_ARBLST: Arbitration Lost
mbed_official 76:aeb1df146756 584 * @arg CEC_IT_RXACKE: Rx-Missing Acknowledge
mbed_official 76:aeb1df146756 585 * @arg CEC_IT_LBPE: Rx Long period Error
mbed_official 76:aeb1df146756 586 * @arg CEC_IT_SBPE: Rx Short period Error
mbed_official 76:aeb1df146756 587 * @arg CEC_IT_BRE: Rx Bit Rising Error
mbed_official 76:aeb1df146756 588 * @arg CEC_IT_RXOVR: Rx Overrun
mbed_official 76:aeb1df146756 589 * @arg CEC_IT_RXEND: End Of Reception
mbed_official 76:aeb1df146756 590 * @arg CEC_IT_RXBR: Rx-Byte Received
mbed_official 76:aeb1df146756 591 * @retval None
mbed_official 76:aeb1df146756 592 */
mbed_official 76:aeb1df146756 593 void CEC_ClearITPendingBit(uint16_t CEC_IT)
mbed_official 76:aeb1df146756 594 {
mbed_official 76:aeb1df146756 595 assert_param(IS_CEC_IT(CEC_IT));
mbed_official 76:aeb1df146756 596
mbed_official 76:aeb1df146756 597 /* Clear the selected CEC interrupt pending bits */
mbed_official 76:aeb1df146756 598 CEC->ISR = CEC_IT;
mbed_official 76:aeb1df146756 599 }
mbed_official 76:aeb1df146756 600
mbed_official 76:aeb1df146756 601 /**
mbed_official 76:aeb1df146756 602 * @}
mbed_official 76:aeb1df146756 603 */
mbed_official 76:aeb1df146756 604
mbed_official 76:aeb1df146756 605 /**
mbed_official 76:aeb1df146756 606 * @}
mbed_official 76:aeb1df146756 607 */
mbed_official 76:aeb1df146756 608
mbed_official 76:aeb1df146756 609 /**
mbed_official 76:aeb1df146756 610 * @}
mbed_official 76:aeb1df146756 611 */
mbed_official 76:aeb1df146756 612
mbed_official 76:aeb1df146756 613 /**
mbed_official 76:aeb1df146756 614 * @}
mbed_official 76:aeb1df146756 615 */
mbed_official 76:aeb1df146756 616
mbed_official 76:aeb1df146756 617 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/