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_L152RE/stm32l1xx_crc.c@76:aeb1df146756, 2014-01-27 (annotated)

Committer:
mbed_official
Date:
Mon Jan 27 14:30:07 2014 +0000
Revision:
76:aeb1df146756
Child:
80:66393a7b209d
Synchronized with git revision a31ec9c5f7bcb5c8a1b2eced103f6a1dfa921abd



Full URL: https://github.com/mbedmicro/mbed/commit/a31ec9c5f7bcb5c8a1b2eced103f6a1dfa921abd/



Add NUCLEO_L152RE

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 stm32l1xx_crc.c
mbed_official 76:aeb1df146756 4 * @author MCD Application Team
mbed_official 76:aeb1df146756 5 * @version V1.2.0
mbed_official 76:aeb1df146756 6 * @date 22-February-2013
mbed_official 76:aeb1df146756 7 * @brief This file provides all the CRC firmware functions.
mbed_official 76:aeb1df146756 8 ******************************************************************************
mbed_official 76:aeb1df146756 9 * @attention
mbed_official 76:aeb1df146756 10 *
mbed_official 76:aeb1df146756 11 * <h2><center>&copy; COPYRIGHT 2013 STMicroelectronics</center></h2>
mbed_official 76:aeb1df146756 12 *
mbed_official 76:aeb1df146756 13 * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
mbed_official 76:aeb1df146756 14 * You may not use this file except in compliance with the License.
mbed_official 76:aeb1df146756 15 * You may obtain a copy of the License at:
mbed_official 76:aeb1df146756 16 *
mbed_official 76:aeb1df146756 17 * http://www.st.com/software_license_agreement_liberty_v2
mbed_official 76:aeb1df146756 18 *
mbed_official 76:aeb1df146756 19 * Unless required by applicable law or agreed to in writing, software
mbed_official 76:aeb1df146756 20 * distributed under the License is distributed on an "AS IS" BASIS,
mbed_official 76:aeb1df146756 21 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
mbed_official 76:aeb1df146756 22 * See the License for the specific language governing permissions and
mbed_official 76:aeb1df146756 23 * limitations under the License.
mbed_official 76:aeb1df146756 24 *
mbed_official 76:aeb1df146756 25 ******************************************************************************
mbed_official 76:aeb1df146756 26 */
mbed_official 76:aeb1df146756 27
mbed_official 76:aeb1df146756 28 /* Includes ------------------------------------------------------------------*/
mbed_official 76:aeb1df146756 29 #include "stm32l1xx_crc.h"
mbed_official 76:aeb1df146756 30
mbed_official 76:aeb1df146756 31 /** @addtogroup STM32L1xx_StdPeriph_Driver
mbed_official 76:aeb1df146756 32 * @{
mbed_official 76:aeb1df146756 33 */
mbed_official 76:aeb1df146756 34
mbed_official 76:aeb1df146756 35 /** @defgroup CRC
mbed_official 76:aeb1df146756 36 * @brief CRC driver modules
mbed_official 76:aeb1df146756 37 * @{
mbed_official 76:aeb1df146756 38 */
mbed_official 76:aeb1df146756 39
mbed_official 76:aeb1df146756 40 /* Private typedef -----------------------------------------------------------*/
mbed_official 76:aeb1df146756 41 /* Private define ------------------------------------------------------------*/
mbed_official 76:aeb1df146756 42 /* Private macro -------------------------------------------------------------*/
mbed_official 76:aeb1df146756 43 /* Private variables ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 44 /* Private function prototypes -----------------------------------------------*/
mbed_official 76:aeb1df146756 45 /* Private functions ---------------------------------------------------------*/
mbed_official 76:aeb1df146756 46
mbed_official 76:aeb1df146756 47 /** @defgroup CRC_Private_Functions
mbed_official 76:aeb1df146756 48 * @{
mbed_official 76:aeb1df146756 49 */
mbed_official 76:aeb1df146756 50
mbed_official 76:aeb1df146756 51 /**
mbed_official 76:aeb1df146756 52 * @brief Resets the CRC Data register (DR).
mbed_official 76:aeb1df146756 53 * @param None
mbed_official 76:aeb1df146756 54 * @retval None
mbed_official 76:aeb1df146756 55 */
mbed_official 76:aeb1df146756 56 void CRC_ResetDR(void)
mbed_official 76:aeb1df146756 57 {
mbed_official 76:aeb1df146756 58 /* Reset CRC generator */
mbed_official 76:aeb1df146756 59 CRC->CR = CRC_CR_RESET;
mbed_official 76:aeb1df146756 60 }
mbed_official 76:aeb1df146756 61
mbed_official 76:aeb1df146756 62 /**
mbed_official 76:aeb1df146756 63 * @brief Computes the 32-bit CRC of a given data word(32-bit).
mbed_official 76:aeb1df146756 64 * @param Data: data word(32-bit) to compute its CRC.
mbed_official 76:aeb1df146756 65 * @retval 32-bit CRC
mbed_official 76:aeb1df146756 66 */
mbed_official 76:aeb1df146756 67 uint32_t CRC_CalcCRC(uint32_t Data)
mbed_official 76:aeb1df146756 68 {
mbed_official 76:aeb1df146756 69 CRC->DR = Data;
mbed_official 76:aeb1df146756 70
mbed_official 76:aeb1df146756 71 return (CRC->DR);
mbed_official 76:aeb1df146756 72 }
mbed_official 76:aeb1df146756 73
mbed_official 76:aeb1df146756 74 /**
mbed_official 76:aeb1df146756 75 * @brief Computes the 32-bit CRC of a given buffer of data word(32-bit).
mbed_official 76:aeb1df146756 76 * @param pBuffer: pointer to the buffer containing the data to be computed.
mbed_official 76:aeb1df146756 77 * @param BufferLength: length of the buffer to be computed
mbed_official 76:aeb1df146756 78 * @retval 32-bit CRC
mbed_official 76:aeb1df146756 79 */
mbed_official 76:aeb1df146756 80 uint32_t CRC_CalcBlockCRC(uint32_t pBuffer[], uint32_t BufferLength)
mbed_official 76:aeb1df146756 81 {
mbed_official 76:aeb1df146756 82 uint32_t index = 0;
mbed_official 76:aeb1df146756 83
mbed_official 76:aeb1df146756 84 for(index = 0; index < BufferLength; index++)
mbed_official 76:aeb1df146756 85 {
mbed_official 76:aeb1df146756 86 CRC->DR = pBuffer[index];
mbed_official 76:aeb1df146756 87 }
mbed_official 76:aeb1df146756 88 return (CRC->DR);
mbed_official 76:aeb1df146756 89 }
mbed_official 76:aeb1df146756 90
mbed_official 76:aeb1df146756 91 /**
mbed_official 76:aeb1df146756 92 * @brief Returns the current CRC value.
mbed_official 76:aeb1df146756 93 * @param None
mbed_official 76:aeb1df146756 94 * @retval 32-bit CRC
mbed_official 76:aeb1df146756 95 */
mbed_official 76:aeb1df146756 96 uint32_t CRC_GetCRC(void)
mbed_official 76:aeb1df146756 97 {
mbed_official 76:aeb1df146756 98 return (CRC->DR);
mbed_official 76:aeb1df146756 99 }
mbed_official 76:aeb1df146756 100
mbed_official 76:aeb1df146756 101 /**
mbed_official 76:aeb1df146756 102 * @brief Stores a 8-bit data in the Independent Data(ID) register.
mbed_official 76:aeb1df146756 103 * @param IDValue: 8-bit value to be stored in the ID register
mbed_official 76:aeb1df146756 104 * @retval None
mbed_official 76:aeb1df146756 105 */
mbed_official 76:aeb1df146756 106 void CRC_SetIDRegister(uint8_t IDValue)
mbed_official 76:aeb1df146756 107 {
mbed_official 76:aeb1df146756 108 CRC->IDR = IDValue;
mbed_official 76:aeb1df146756 109 }
mbed_official 76:aeb1df146756 110
mbed_official 76:aeb1df146756 111 /**
mbed_official 76:aeb1df146756 112 * @brief Returns the 8-bit data stored in the Independent Data(ID) register.
mbed_official 76:aeb1df146756 113 * @param None
mbed_official 76:aeb1df146756 114 * @retval 8-bit value of the ID register
mbed_official 76:aeb1df146756 115 */
mbed_official 76:aeb1df146756 116 uint8_t CRC_GetIDRegister(void)
mbed_official 76:aeb1df146756 117 {
mbed_official 76:aeb1df146756 118 return (CRC->IDR);
mbed_official 76:aeb1df146756 119 }
mbed_official 76:aeb1df146756 120
mbed_official 76:aeb1df146756 121 /**
mbed_official 76:aeb1df146756 122 * @}
mbed_official 76:aeb1df146756 123 */
mbed_official 76:aeb1df146756 124
mbed_official 76:aeb1df146756 125 /**
mbed_official 76:aeb1df146756 126 * @}
mbed_official 76:aeb1df146756 127 */
mbed_official 76:aeb1df146756 128
mbed_official 76:aeb1df146756 129 /**
mbed_official 76:aeb1df146756 130 * @}
mbed_official 76:aeb1df146756 131 */
mbed_official 76:aeb1df146756 132
mbed_official 76:aeb1df146756 133 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/