Jonas Gartmann
/
BSP_DISCO_F429ZI
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Drivers/BSP/STM32F429I-Discovery/stm32f429i_discovery.c@1:2371382139dd, 2017-05-16 (annotated)
- Committer:
- Jerome Coutant
- Date:
- Tue May 16 10:50:25 2017 +0200
- Revision:
- 1:2371382139dd
- Child:
- 2:53d9067a4feb
- Child:
- 3:9a3c3a4a6198
STM32Cube_FW__ BSP_DISCO_F429ZI
Who changed what in which revision?
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Jerome Coutant |
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/**
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******************************************************************************
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* @file stm32f429i_discovery.c
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* @author MCD Application Team
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* @version V2.1.5
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* @date 27-January-2017
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* @brief This file provides set of firmware functions to manage Leds and
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* push-button available on STM32F429I-Discovery Kit from STMicroelectronics.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f429i_discovery.h"
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#include "cmsis_nvic.h" // // Added for mbed
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// Added for mbed. This function replaces HAL_Delay()
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void wait_ms(int ms);
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/** @defgroup BSP BSP
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* @{
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*/
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/** @defgroup STM32F429I_DISCOVERY STM32F429I DISCOVERY
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* @{
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL STM32F429I DISCOVERY LOW LEVEL
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* @brief This file provides set of firmware functions to manage Leds and push-button
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* available on STM32F429I-Discovery Kit from STMicroelectronics.
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* @{
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL_Private_TypesDefinitions STM32F429I DISCOVERY LOW LEVEL Private TypesDefinitions
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL_Private_Defines STM32F429I DISCOVERY LOW LEVEL Private Defines
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* @{
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*/
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/**
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* @brief STM32F429I DISCO BSP Driver version number V2.1.5
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*/
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#define __STM32F429I_DISCO_BSP_VERSION_MAIN (0x02) /*!< [31:24] main version */
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#define __STM32F429I_DISCO_BSP_VERSION_SUB1 (0x01) /*!< [23:16] sub1 version */
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#define __STM32F429I_DISCO_BSP_VERSION_SUB2 (0x05) /*!< [15:8] sub2 version */
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#define __STM32F429I_DISCO_BSP_VERSION_RC (0x00) /*!< [7:0] release candidate */
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#define __STM32F429I_DISCO_BSP_VERSION ((__STM32F429I_DISCO_BSP_VERSION_MAIN << 24)\
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|(__STM32F429I_DISCO_BSP_VERSION_SUB1 << 16)\
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|(__STM32F429I_DISCO_BSP_VERSION_SUB2 << 8 )\
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|(__STM32F429I_DISCO_BSP_VERSION_RC))
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/**
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* @}
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL_Private_Macros STM32F429I DISCOVERY LOW LEVEL Private Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL_Private_Variables STM32F429I DISCOVERY LOW LEVEL Private Variables
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* @{
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*/
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GPIO_TypeDef* GPIO_PORT[LEDn] = {LED3_GPIO_PORT,
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LED4_GPIO_PORT};
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const uint16_t GPIO_PIN[LEDn] = {LED3_PIN,
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LED4_PIN};
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GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {KEY_BUTTON_GPIO_PORT};
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const uint16_t BUTTON_PIN[BUTTONn] = {KEY_BUTTON_PIN};
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const uint8_t BUTTON_IRQn[BUTTONn] = {KEY_BUTTON_EXTI_IRQn};
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uint32_t I2cxTimeout = I2Cx_TIMEOUT_MAX; /*<! Value of Timeout when I2C communication fails */
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uint32_t SpixTimeout = SPIx_TIMEOUT_MAX; /*<! Value of Timeout when SPI communication fails */
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I2C_HandleTypeDef EEP_I2cHandle;
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static SPI_HandleTypeDef SpiHandle;
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static uint8_t Is_LCD_IO_Initialized = 0;
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/**
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* @}
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL_Private_FunctionPrototypes STM32F429I DISCOVERY LOW LEVEL Private FunctionPrototypes
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* @{
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*/
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/* I2Cx bus function */
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static void I2Cx_Init(void);
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static void I2Cx_ITConfig(void);
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static void I2Cx_WriteData(uint8_t Addr, uint8_t Reg, uint8_t Value);
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static void I2Cx_WriteBuffer(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length);
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static uint8_t I2Cx_ReadData(uint8_t Addr, uint8_t Reg);
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static uint8_t I2Cx_ReadBuffer(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length);
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static void I2Cx_Error(void);
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static void I2Cx_MspInit(I2C_HandleTypeDef *hi2c);
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#ifdef EE_M24LR64
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static HAL_StatusTypeDef I2Cx_WriteBufferDMA(uint8_t Addr, uint16_t Reg, uint8_t *pBuffer, uint16_t Length);
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static HAL_StatusTypeDef I2Cx_ReadBufferDMA(uint8_t Addr, uint16_t Reg, uint8_t *pBuffer, uint16_t Length);
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static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
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static void EEPROM_I2C_DMA_TX_IRQHandler(void);
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static void EEPROM_I2C_DMA_RX_IRQHandler(void);
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#endif /* EE_M24LR64 */
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/* SPIx bus function */
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static void SPIx_Init(void);
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static void SPIx_Write(uint16_t Value);
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static uint32_t SPIx_Read(uint8_t ReadSize);
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static uint8_t SPIx_WriteRead(uint8_t Byte);
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static void SPIx_Error(void);
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static void SPIx_MspInit(SPI_HandleTypeDef *hspi);
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/* Link function for LCD peripheral */
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void LCD_IO_Init(void);
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void LCD_IO_WriteData(uint16_t RegValue);
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void LCD_IO_WriteReg(uint8_t Reg);
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uint32_t LCD_IO_ReadData(uint16_t RegValue, uint8_t ReadSize);
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void LCD_Delay(uint32_t delay);
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/* IOExpander IO functions */
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void IOE_Init(void);
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void IOE_ITConfig(void);
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void IOE_Delay(uint32_t Delay);
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void IOE_Write(uint8_t Addr, uint8_t Reg, uint8_t Value);
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uint8_t IOE_Read(uint8_t Addr, uint8_t Reg);
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uint16_t IOE_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length);
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void IOE_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length);
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/* Link function for GYRO peripheral */
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void GYRO_IO_Init(void);
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void GYRO_IO_Write(uint8_t* pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite);
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void GYRO_IO_Read(uint8_t* pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead);
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#ifdef EE_M24LR64
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/* Link function for I2C EEPROM peripheral */
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void EEPROM_IO_Init(void);
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HAL_StatusTypeDef EEPROM_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
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HAL_StatusTypeDef EEPROM_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize);
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HAL_StatusTypeDef EEPROM_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials);
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#endif /* EE_M24LR64 */
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/**
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* @}
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*/
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/** @defgroup STM32F429I_DISCOVERY_LOW_LEVEL_Private_Functions STM32F429I DISCOVERY LOW LEVEL Private Functions
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* @{
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*/
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/**
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* @brief This method returns the STM32F429I DISCO BSP Driver revision
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* @retval version: 0xXYZR (8bits for each decimal, R for RC)
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*/
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uint32_t BSP_GetVersion(void)
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{
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return __STM32F429I_DISCO_BSP_VERSION;
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}
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/**
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* @brief Configures LED GPIO.
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* @param Led: Specifies the Led to be configured.
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* This parameter can be one of following parameters:
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* @arg LED3
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* @arg LED4
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*/
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void BSP_LED_Init(Led_TypeDef Led)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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202
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/* Enable the GPIO_LED Clock */
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LEDx_GPIO_CLK_ENABLE(Led);
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204
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/* Configure the GPIO_LED pin */
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GPIO_InitStruct.Pin = GPIO_PIN[Led];
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GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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HAL_GPIO_Init(GPIO_PORT[Led], &GPIO_InitStruct);
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HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
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}
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/**
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* @brief Turns selected LED On.
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* @param Led: Specifies the Led to be set on.
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* This parameter can be one of following parameters:
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220
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* @arg LED3
|
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* @arg LED4
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|
*/
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void BSP_LED_On(Led_TypeDef Led)
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|
{
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|
HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_SET);
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|
}
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|
/**
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229
|
* @brief Turns selected LED Off.
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230
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* @param Led: Specifies the Led to be set off.
|
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231
|
* This parameter can be one of following parameters:
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232
|
* @arg LED3
|
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233
|
* @arg LED4
|
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|
234
|
*/
|
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235
|
void BSP_LED_Off(Led_TypeDef Led)
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|
236
|
{
|
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1:2371382139dd
|
237
|
HAL_GPIO_WritePin(GPIO_PORT[Led], GPIO_PIN[Led], GPIO_PIN_RESET);
|
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|
238
|
}
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|
|
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|
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|
/**
|
|
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|
241
|
* @brief Toggles the selected LED.
|
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|
242
|
* @param Led: Specifies the Led to be toggled.
|
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|
243
|
* This parameter can be one of following parameters:
|
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|
244
|
* @arg LED3
|
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|
245
|
* @arg LED4
|
|
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1:2371382139dd
|
246
|
*/
|
|
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|
247
|
void BSP_LED_Toggle(Led_TypeDef Led)
|
|
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1:2371382139dd
|
248
|
{
|
|
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1:2371382139dd
|
249
|
HAL_GPIO_TogglePin(GPIO_PORT[Led], GPIO_PIN[Led]);
|
|
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1:2371382139dd
|
250
|
}
|
|
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|
251
|
|
|
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1:2371382139dd
|
252
|
/**
|
|
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|
253
|
* @brief Configures Button GPIO and EXTI Line.
|
|
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1:2371382139dd
|
254
|
* @param Button: Specifies the Button to be configured.
|
|
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1:2371382139dd
|
255
|
* This parameter should be: BUTTON_KEY
|
|
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1:2371382139dd
|
256
|
* @param ButtonMode: Specifies Button mode.
|
|
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1:2371382139dd
|
257
|
* This parameter can be one of following parameters:
|
|
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1:2371382139dd
|
258
|
* @arg BUTTON_MODE_GPIO: Button will be used as simple IO
|
|
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1:2371382139dd
|
259
|
* @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt
|
|
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1:2371382139dd
|
260
|
* generation capability
|
|
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1:2371382139dd
|
261
|
*/
|
|
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1:2371382139dd
|
262
|
void BSP_PB_Init(Button_TypeDef Button, ButtonMode_TypeDef ButtonMode)
|
|
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1:2371382139dd
|
263
|
{
|
|
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1:2371382139dd
|
264
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
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1:2371382139dd
|
265
|
|
|
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1:2371382139dd
|
266
|
/* Enable the BUTTON Clock */
|
|
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1:2371382139dd
|
267
|
BUTTONx_GPIO_CLK_ENABLE(Button);
|
|
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1:2371382139dd
|
268
|
|
|
Jerome Coutant |
1:2371382139dd
|
269
|
if (ButtonMode == BUTTON_MODE_GPIO)
|
|
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1:2371382139dd
|
270
|
{
|
|
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1:2371382139dd
|
271
|
/* Configure Button pin as input */
|
|
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1:2371382139dd
|
272
|
GPIO_InitStruct.Pin = BUTTON_PIN[Button];
|
|
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1:2371382139dd
|
273
|
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
|
|
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1:2371382139dd
|
274
|
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
|
|
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1:2371382139dd
|
275
|
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
|
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1:2371382139dd
|
276
|
HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
|
|
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1:2371382139dd
|
277
|
}
|
|
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1:2371382139dd
|
278
|
|
|
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1:2371382139dd
|
279
|
if (ButtonMode == BUTTON_MODE_EXTI)
|
|
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1:2371382139dd
|
280
|
{
|
|
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1:2371382139dd
|
281
|
/* Configure Button pin as input with External interrupt */
|
|
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1:2371382139dd
|
282
|
GPIO_InitStruct.Pin = BUTTON_PIN[Button];
|
|
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1:2371382139dd
|
283
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
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1:2371382139dd
|
284
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING;
|
|
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1:2371382139dd
|
285
|
HAL_GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStruct);
|
|
Jerome Coutant |
1:2371382139dd
|
286
|
|
|
Jerome Coutant |
1:2371382139dd
|
287
|
/* Enable and set Button EXTI Interrupt to the lowest priority */
|
|
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1:2371382139dd
|
288
|
HAL_NVIC_SetPriority((IRQn_Type)(BUTTON_IRQn[Button]), 0x0F, 0x00);
|
|
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1:2371382139dd
|
289
|
HAL_NVIC_EnableIRQ((IRQn_Type)(BUTTON_IRQn[Button]));
|
|
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1:2371382139dd
|
290
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
291
|
}
|
|
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1:2371382139dd
|
292
|
|
|
Jerome Coutant |
1:2371382139dd
|
293
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
294
|
* @brief Returns the selected Button state.
|
|
Jerome Coutant |
1:2371382139dd
|
295
|
* @param Button: Specifies the Button to be checked.
|
|
Jerome Coutant |
1:2371382139dd
|
296
|
* This parameter should be: BUTTON_KEY
|
|
Jerome Coutant |
1:2371382139dd
|
297
|
* @retval The Button GPIO pin value.
|
|
Jerome Coutant |
1:2371382139dd
|
298
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
299
|
uint32_t BSP_PB_GetState(Button_TypeDef Button)
|
|
Jerome Coutant |
1:2371382139dd
|
300
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
301
|
return HAL_GPIO_ReadPin(BUTTON_PORT[Button], BUTTON_PIN[Button]);
|
|
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1:2371382139dd
|
302
|
}
|
|
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1:2371382139dd
|
303
|
|
|
Jerome Coutant |
1:2371382139dd
|
304
|
/*******************************************************************************
|
|
Jerome Coutant |
1:2371382139dd
|
305
|
BUS OPERATIONS
|
|
Jerome Coutant |
1:2371382139dd
|
306
|
*******************************************************************************/
|
|
Jerome Coutant |
1:2371382139dd
|
307
|
|
|
Jerome Coutant |
1:2371382139dd
|
308
|
/******************************* I2C Routines *********************************/
|
|
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1:2371382139dd
|
309
|
|
|
Jerome Coutant |
1:2371382139dd
|
310
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
311
|
* @brief I2Cx MSP Initialization
|
|
Jerome Coutant |
1:2371382139dd
|
312
|
* @param hi2c: I2C handle
|
|
Jerome Coutant |
1:2371382139dd
|
313
|
*/
|
|
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1:2371382139dd
|
314
|
static void I2Cx_MspInit(I2C_HandleTypeDef *hi2c)
|
|
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1:2371382139dd
|
315
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
316
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
Jerome Coutant |
1:2371382139dd
|
317
|
#ifdef EE_M24LR64
|
|
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1:2371382139dd
|
318
|
static DMA_HandleTypeDef hdma_tx;
|
|
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1:2371382139dd
|
319
|
static DMA_HandleTypeDef hdma_rx;
|
|
Jerome Coutant |
1:2371382139dd
|
320
|
|
|
Jerome Coutant |
1:2371382139dd
|
321
|
I2C_HandleTypeDef* pI2cHandle;
|
|
Jerome Coutant |
1:2371382139dd
|
322
|
pI2cHandle = &EEP_I2cHandle;
|
|
Jerome Coutant |
1:2371382139dd
|
323
|
#endif /* EE_M24LR64 */
|
|
Jerome Coutant |
1:2371382139dd
|
324
|
|
|
Jerome Coutant |
1:2371382139dd
|
325
|
if (hi2c->Instance == DISCOVERY_I2Cx)
|
|
Jerome Coutant |
1:2371382139dd
|
326
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
327
|
/* Configure the GPIOs ---------------------------------------------------*/
|
|
Jerome Coutant |
1:2371382139dd
|
328
|
/* Enable GPIO clock */
|
|
Jerome Coutant |
1:2371382139dd
|
329
|
DISCOVERY_I2Cx_SDA_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
330
|
DISCOVERY_I2Cx_SCL_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
331
|
|
|
Jerome Coutant |
1:2371382139dd
|
332
|
/* Configure I2C Tx as alternate function */
|
|
Jerome Coutant |
1:2371382139dd
|
333
|
GPIO_InitStruct.Pin = DISCOVERY_I2Cx_SCL_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
334
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
|
|
Jerome Coutant |
1:2371382139dd
|
335
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
|
Jerome Coutant |
1:2371382139dd
|
336
|
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
|
|
Jerome Coutant |
1:2371382139dd
|
337
|
GPIO_InitStruct.Alternate = DISCOVERY_I2Cx_SCL_SDA_AF;
|
|
Jerome Coutant |
1:2371382139dd
|
338
|
HAL_GPIO_Init(DISCOVERY_I2Cx_SCL_GPIO_PORT, &GPIO_InitStruct);
|
|
Jerome Coutant |
1:2371382139dd
|
339
|
|
|
Jerome Coutant |
1:2371382139dd
|
340
|
/* Configure I2C Rx as alternate function */
|
|
Jerome Coutant |
1:2371382139dd
|
341
|
GPIO_InitStruct.Pin = DISCOVERY_I2Cx_SDA_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
342
|
HAL_GPIO_Init(DISCOVERY_I2Cx_SDA_GPIO_PORT, &GPIO_InitStruct);
|
|
Jerome Coutant |
1:2371382139dd
|
343
|
|
|
Jerome Coutant |
1:2371382139dd
|
344
|
|
|
Jerome Coutant |
1:2371382139dd
|
345
|
/* Configure the Discovery I2Cx peripheral -------------------------------*/
|
|
Jerome Coutant |
1:2371382139dd
|
346
|
/* Enable I2C3 clock */
|
|
Jerome Coutant |
1:2371382139dd
|
347
|
DISCOVERY_I2Cx_CLOCK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
348
|
|
|
Jerome Coutant |
1:2371382139dd
|
349
|
/* Force the I2C Peripheral Clock Reset */
|
|
Jerome Coutant |
1:2371382139dd
|
350
|
DISCOVERY_I2Cx_FORCE_RESET();
|
|
Jerome Coutant |
1:2371382139dd
|
351
|
|
|
Jerome Coutant |
1:2371382139dd
|
352
|
/* Release the I2C Peripheral Clock Reset */
|
|
Jerome Coutant |
1:2371382139dd
|
353
|
DISCOVERY_I2Cx_RELEASE_RESET();
|
|
Jerome Coutant |
1:2371382139dd
|
354
|
|
|
Jerome Coutant |
1:2371382139dd
|
355
|
/* Enable and set Discovery I2Cx Interrupt to the lowest priority */
|
|
Jerome Coutant |
1:2371382139dd
|
356
|
HAL_NVIC_SetPriority(DISCOVERY_I2Cx_EV_IRQn, 0x0F, 0);
|
|
Jerome Coutant |
1:2371382139dd
|
357
|
HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_EV_IRQn);
|
|
Jerome Coutant |
1:2371382139dd
|
358
|
|
|
Jerome Coutant |
1:2371382139dd
|
359
|
/* Enable and set Discovery I2Cx Interrupt to the lowest priority */
|
|
Jerome Coutant |
1:2371382139dd
|
360
|
HAL_NVIC_SetPriority(DISCOVERY_I2Cx_ER_IRQn, 0x0F, 0);
|
|
Jerome Coutant |
1:2371382139dd
|
361
|
HAL_NVIC_EnableIRQ(DISCOVERY_I2Cx_ER_IRQn);
|
|
Jerome Coutant |
1:2371382139dd
|
362
|
|
|
Jerome Coutant |
1:2371382139dd
|
363
|
#ifdef EE_M24LR64
|
|
Jerome Coutant |
1:2371382139dd
|
364
|
/* I2C DMA TX and RX channels configuration */
|
|
Jerome Coutant |
1:2371382139dd
|
365
|
/* Enable the DMA clock */
|
|
Jerome Coutant |
1:2371382139dd
|
366
|
EEPROM_I2C_DMA_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
367
|
|
|
Jerome Coutant |
1:2371382139dd
|
368
|
/* Configure the DMA stream for the EE I2C peripheral TX direction */
|
|
Jerome Coutant |
1:2371382139dd
|
369
|
/* Configure the DMA Stream */
|
|
Jerome Coutant |
1:2371382139dd
|
370
|
hdma_tx.Instance = EEPROM_I2C_DMA_STREAM_TX;
|
|
Jerome Coutant |
1:2371382139dd
|
371
|
/* Set the parameters to be configured */
|
|
Jerome Coutant |
1:2371382139dd
|
372
|
hdma_tx.Init.Channel = EEPROM_I2C_DMA_CHANNEL;
|
|
Jerome Coutant |
1:2371382139dd
|
373
|
hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
|
Jerome Coutant |
1:2371382139dd
|
374
|
hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
|
Jerome Coutant |
1:2371382139dd
|
375
|
hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
|
|
Jerome Coutant |
1:2371382139dd
|
376
|
hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
|
Jerome Coutant |
1:2371382139dd
|
377
|
hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
|
Jerome Coutant |
1:2371382139dd
|
378
|
hdma_tx.Init.Mode = DMA_NORMAL;
|
|
Jerome Coutant |
1:2371382139dd
|
379
|
hdma_tx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
|
|
Jerome Coutant |
1:2371382139dd
|
380
|
hdma_tx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
|
|
Jerome Coutant |
1:2371382139dd
|
381
|
hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
|
Jerome Coutant |
1:2371382139dd
|
382
|
hdma_tx.Init.MemBurst = DMA_MBURST_SINGLE;
|
|
Jerome Coutant |
1:2371382139dd
|
383
|
hdma_tx.Init.PeriphBurst = DMA_PBURST_SINGLE;
|
|
Jerome Coutant |
1:2371382139dd
|
384
|
|
|
Jerome Coutant |
1:2371382139dd
|
385
|
/* Associate the initilalized hdma_tx handle to the the pI2cHandle handle */
|
|
Jerome Coutant |
1:2371382139dd
|
386
|
__HAL_LINKDMA(pI2cHandle, hdmatx, hdma_tx);
|
|
Jerome Coutant |
1:2371382139dd
|
387
|
|
|
Jerome Coutant |
1:2371382139dd
|
388
|
/* Configure the DMA Stream */
|
|
Jerome Coutant |
1:2371382139dd
|
389
|
HAL_DMA_Init(&hdma_tx);
|
|
Jerome Coutant |
1:2371382139dd
|
390
|
|
|
Jerome Coutant |
1:2371382139dd
|
391
|
// Added for mbed
|
|
Jerome Coutant |
1:2371382139dd
|
392
|
/* Configure and enable I2C DMA TX Channel interrupt */
|
|
Jerome Coutant |
1:2371382139dd
|
393
|
//HAL_NVIC_SetPriority((IRQn_Type)(EEPROM_I2C_DMA_TX_IRQn), EEPROM_I2C_DMA_PREPRIO, 0);
|
|
Jerome Coutant |
1:2371382139dd
|
394
|
//HAL_NVIC_EnableIRQ((IRQn_Type)(EEPROM_I2C_DMA_TX_IRQn));
|
|
Jerome Coutant |
1:2371382139dd
|
395
|
// Enable interrupt
|
|
Jerome Coutant |
1:2371382139dd
|
396
|
IRQn_Type irqn = (IRQn_Type)(EEPROM_I2C_DMA_TX_IRQn);
|
|
Jerome Coutant |
1:2371382139dd
|
397
|
NVIC_ClearPendingIRQ(irqn);
|
|
Jerome Coutant |
1:2371382139dd
|
398
|
NVIC_DisableIRQ(irqn);
|
|
Jerome Coutant |
1:2371382139dd
|
399
|
NVIC_SetPriority(irqn, EEPROM_I2C_DMA_PREPRIO);
|
|
Jerome Coutant |
1:2371382139dd
|
400
|
NVIC_SetVector(irqn, (uint32_t)EEPROM_I2C_DMA_TX_IRQHandler);
|
|
Jerome Coutant |
1:2371382139dd
|
401
|
NVIC_EnableIRQ(irqn);
|
|
Jerome Coutant |
1:2371382139dd
|
402
|
|
|
Jerome Coutant |
1:2371382139dd
|
403
|
/* Configure the DMA stream for the EE I2C peripheral TX direction */
|
|
Jerome Coutant |
1:2371382139dd
|
404
|
/* Configure the DMA Stream */
|
|
Jerome Coutant |
1:2371382139dd
|
405
|
hdma_rx.Instance = EEPROM_I2C_DMA_STREAM_RX;
|
|
Jerome Coutant |
1:2371382139dd
|
406
|
/* Set the parameters to be configured */
|
|
Jerome Coutant |
1:2371382139dd
|
407
|
hdma_rx.Init.Channel = EEPROM_I2C_DMA_CHANNEL;
|
|
Jerome Coutant |
1:2371382139dd
|
408
|
hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
|
Jerome Coutant |
1:2371382139dd
|
409
|
hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
|
Jerome Coutant |
1:2371382139dd
|
410
|
hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
|
|
Jerome Coutant |
1:2371382139dd
|
411
|
hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
|
Jerome Coutant |
1:2371382139dd
|
412
|
hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
|
Jerome Coutant |
1:2371382139dd
|
413
|
hdma_rx.Init.Mode = DMA_NORMAL;
|
|
Jerome Coutant |
1:2371382139dd
|
414
|
hdma_rx.Init.Priority = DMA_PRIORITY_VERY_HIGH;
|
|
Jerome Coutant |
1:2371382139dd
|
415
|
hdma_rx.Init.FIFOMode = DMA_FIFOMODE_ENABLE;
|
|
Jerome Coutant |
1:2371382139dd
|
416
|
hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
|
Jerome Coutant |
1:2371382139dd
|
417
|
hdma_rx.Init.MemBurst = DMA_MBURST_SINGLE;
|
|
Jerome Coutant |
1:2371382139dd
|
418
|
hdma_rx.Init.PeriphBurst = DMA_PBURST_SINGLE;
|
|
Jerome Coutant |
1:2371382139dd
|
419
|
|
|
Jerome Coutant |
1:2371382139dd
|
420
|
/* Associate the initilalized hdma_rx handle to the the pI2cHandle handle*/
|
|
Jerome Coutant |
1:2371382139dd
|
421
|
__HAL_LINKDMA(pI2cHandle, hdmarx, hdma_rx);
|
|
Jerome Coutant |
1:2371382139dd
|
422
|
|
|
Jerome Coutant |
1:2371382139dd
|
423
|
/* Configure the DMA Stream */
|
|
Jerome Coutant |
1:2371382139dd
|
424
|
HAL_DMA_Init(&hdma_rx);
|
|
Jerome Coutant |
1:2371382139dd
|
425
|
|
|
Jerome Coutant |
1:2371382139dd
|
426
|
// Added for mbed
|
|
Jerome Coutant |
1:2371382139dd
|
427
|
/* Configure and enable I2C DMA RX Channel interrupt */
|
|
Jerome Coutant |
1:2371382139dd
|
428
|
//HAL_NVIC_SetPriority((IRQn_Type)(EEPROM_I2C_DMA_RX_IRQn), EEPROM_I2C_DMA_PREPRIO, 0);
|
|
Jerome Coutant |
1:2371382139dd
|
429
|
//HAL_NVIC_EnableIRQ((IRQn_Type)(EEPROM_I2C_DMA_RX_IRQn));
|
|
Jerome Coutant |
1:2371382139dd
|
430
|
// Enable interrupt
|
|
Jerome Coutant |
1:2371382139dd
|
431
|
irqn = (IRQn_Type)(EEPROM_I2C_DMA_RX_IRQn);
|
|
Jerome Coutant |
1:2371382139dd
|
432
|
NVIC_ClearPendingIRQ(irqn);
|
|
Jerome Coutant |
1:2371382139dd
|
433
|
NVIC_DisableIRQ(irqn);
|
|
Jerome Coutant |
1:2371382139dd
|
434
|
NVIC_SetPriority(irqn, EEPROM_I2C_DMA_PREPRIO);
|
|
Jerome Coutant |
1:2371382139dd
|
435
|
NVIC_SetVector(irqn, (uint32_t)EEPROM_I2C_DMA_RX_IRQHandler);
|
|
Jerome Coutant |
1:2371382139dd
|
436
|
NVIC_EnableIRQ(irqn);
|
|
Jerome Coutant |
1:2371382139dd
|
437
|
|
|
Jerome Coutant |
1:2371382139dd
|
438
|
#endif /* EE_M24LR64 */
|
|
Jerome Coutant |
1:2371382139dd
|
439
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
440
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
441
|
|
|
Jerome Coutant |
1:2371382139dd
|
442
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
443
|
* @brief I2Cx Bus initialization.
|
|
Jerome Coutant |
1:2371382139dd
|
444
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
445
|
static void I2Cx_Init(void)
|
|
Jerome Coutant |
1:2371382139dd
|
446
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
447
|
if(HAL_I2C_GetState(&EEP_I2cHandle) == HAL_I2C_STATE_RESET)
|
|
Jerome Coutant |
1:2371382139dd
|
448
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
449
|
EEP_I2cHandle.Instance = DISCOVERY_I2Cx;
|
|
Jerome Coutant |
1:2371382139dd
|
450
|
EEP_I2cHandle.Init.ClockSpeed = BSP_I2C_SPEED;
|
|
Jerome Coutant |
1:2371382139dd
|
451
|
EEP_I2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_2;
|
|
Jerome Coutant |
1:2371382139dd
|
452
|
EEP_I2cHandle.Init.OwnAddress1 = 0;
|
|
Jerome Coutant |
1:2371382139dd
|
453
|
EEP_I2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
|
Jerome Coutant |
1:2371382139dd
|
454
|
EEP_I2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLED;
|
|
Jerome Coutant |
1:2371382139dd
|
455
|
EEP_I2cHandle.Init.OwnAddress2 = 0;
|
|
Jerome Coutant |
1:2371382139dd
|
456
|
EEP_I2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLED;
|
|
Jerome Coutant |
1:2371382139dd
|
457
|
EEP_I2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLED;
|
|
Jerome Coutant |
1:2371382139dd
|
458
|
|
|
Jerome Coutant |
1:2371382139dd
|
459
|
/* Init the I2C */
|
|
Jerome Coutant |
1:2371382139dd
|
460
|
I2Cx_MspInit(&EEP_I2cHandle);
|
|
Jerome Coutant |
1:2371382139dd
|
461
|
HAL_I2C_Init(&EEP_I2cHandle);
|
|
Jerome Coutant |
1:2371382139dd
|
462
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
463
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
464
|
|
|
Jerome Coutant |
1:2371382139dd
|
465
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
466
|
* @brief Configures Interruption pin for I2C communication.
|
|
Jerome Coutant |
1:2371382139dd
|
467
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
468
|
static void I2Cx_ITConfig(void)
|
|
Jerome Coutant |
1:2371382139dd
|
469
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
470
|
GPIO_InitTypeDef GPIO_InitStruct;
|
|
Jerome Coutant |
1:2371382139dd
|
471
|
|
|
Jerome Coutant |
1:2371382139dd
|
472
|
/* Enable the GPIO EXTI Clock */
|
|
Jerome Coutant |
1:2371382139dd
|
473
|
STMPE811_INT_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
474
|
|
|
Jerome Coutant |
1:2371382139dd
|
475
|
GPIO_InitStruct.Pin = STMPE811_INT_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
476
|
GPIO_InitStruct.Pull = GPIO_PULLUP;
|
|
Jerome Coutant |
1:2371382139dd
|
477
|
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
|
|
Jerome Coutant |
1:2371382139dd
|
478
|
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
|
|
Jerome Coutant |
1:2371382139dd
|
479
|
HAL_GPIO_Init(STMPE811_INT_GPIO_PORT, &GPIO_InitStruct);
|
|
Jerome Coutant |
1:2371382139dd
|
480
|
|
|
Jerome Coutant |
1:2371382139dd
|
481
|
/* Enable and set GPIO EXTI Interrupt to the highest priority */
|
|
Jerome Coutant |
1:2371382139dd
|
482
|
HAL_NVIC_SetPriority((IRQn_Type)(STMPE811_INT_EXTI), 0x0F, 0x00);
|
|
Jerome Coutant |
1:2371382139dd
|
483
|
HAL_NVIC_EnableIRQ((IRQn_Type)(STMPE811_INT_EXTI));
|
|
Jerome Coutant |
1:2371382139dd
|
484
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
485
|
|
|
Jerome Coutant |
1:2371382139dd
|
486
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
487
|
* @brief Writes a value in a register of the device through BUS.
|
|
Jerome Coutant |
1:2371382139dd
|
488
|
* @param Addr: Device address on BUS Bus.
|
|
Jerome Coutant |
1:2371382139dd
|
489
|
* @param Reg: The target register address to write
|
|
Jerome Coutant |
1:2371382139dd
|
490
|
* @param Value: The target register value to be written
|
|
Jerome Coutant |
1:2371382139dd
|
491
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
492
|
static void I2Cx_WriteData(uint8_t Addr, uint8_t Reg, uint8_t Value)
|
|
Jerome Coutant |
1:2371382139dd
|
493
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
494
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
495
|
|
|
Jerome Coutant |
1:2371382139dd
|
496
|
status = HAL_I2C_Mem_Write(&EEP_I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, I2cxTimeout);
|
|
Jerome Coutant |
1:2371382139dd
|
497
|
|
|
Jerome Coutant |
1:2371382139dd
|
498
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
499
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
500
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
501
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
502
|
I2Cx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
503
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
504
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
505
|
|
|
Jerome Coutant |
1:2371382139dd
|
506
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
507
|
* @brief Writes a value in a register of the device through BUS.
|
|
Jerome Coutant |
1:2371382139dd
|
508
|
* @param Addr: Device address on BUS Bus.
|
|
Jerome Coutant |
1:2371382139dd
|
509
|
* @param Reg: The target register address to write
|
|
Jerome Coutant |
1:2371382139dd
|
510
|
* @param pBuffer: The target register value to be written
|
|
Jerome Coutant |
1:2371382139dd
|
511
|
* @param Length: buffer size to be written
|
|
Jerome Coutant |
1:2371382139dd
|
512
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
513
|
static void I2Cx_WriteBuffer(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length)
|
|
Jerome Coutant |
1:2371382139dd
|
514
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
515
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
516
|
|
|
Jerome Coutant |
1:2371382139dd
|
517
|
status = HAL_I2C_Mem_Write(&EEP_I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, pBuffer, Length, I2cxTimeout);
|
|
Jerome Coutant |
1:2371382139dd
|
518
|
|
|
Jerome Coutant |
1:2371382139dd
|
519
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
520
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
521
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
522
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
523
|
I2Cx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
524
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
525
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
526
|
|
|
Jerome Coutant |
1:2371382139dd
|
527
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
528
|
* @brief Reads a register of the device through BUS.
|
|
Jerome Coutant |
1:2371382139dd
|
529
|
* @param Addr: Device address on BUS Bus.
|
|
Jerome Coutant |
1:2371382139dd
|
530
|
* @param Reg: The target register address to write
|
|
Jerome Coutant |
1:2371382139dd
|
531
|
* @retval Data read at register address
|
|
Jerome Coutant |
1:2371382139dd
|
532
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
533
|
static uint8_t I2Cx_ReadData(uint8_t Addr, uint8_t Reg)
|
|
Jerome Coutant |
1:2371382139dd
|
534
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
535
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
536
|
uint8_t value = 0;
|
|
Jerome Coutant |
1:2371382139dd
|
537
|
|
|
Jerome Coutant |
1:2371382139dd
|
538
|
status = HAL_I2C_Mem_Read(&EEP_I2cHandle, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &value, 1, I2cxTimeout);
|
|
Jerome Coutant |
1:2371382139dd
|
539
|
|
|
Jerome Coutant |
1:2371382139dd
|
540
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
541
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
542
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
543
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
544
|
I2Cx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
545
|
|
|
Jerome Coutant |
1:2371382139dd
|
546
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
547
|
return value;
|
|
Jerome Coutant |
1:2371382139dd
|
548
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
549
|
|
|
Jerome Coutant |
1:2371382139dd
|
550
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
551
|
* @brief Reads multiple data on the BUS.
|
|
Jerome Coutant |
1:2371382139dd
|
552
|
* @param Addr: I2C Address
|
|
Jerome Coutant |
1:2371382139dd
|
553
|
* @param Reg: Reg Address
|
|
Jerome Coutant |
1:2371382139dd
|
554
|
* @param pBuffer: pointer to read data buffer
|
|
Jerome Coutant |
1:2371382139dd
|
555
|
* @param Length: length of the data
|
|
Jerome Coutant |
1:2371382139dd
|
556
|
* @retval 0 if no problems to read multiple data
|
|
Jerome Coutant |
1:2371382139dd
|
557
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
558
|
static uint8_t I2Cx_ReadBuffer(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length)
|
|
Jerome Coutant |
1:2371382139dd
|
559
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
560
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
561
|
|
|
Jerome Coutant |
1:2371382139dd
|
562
|
status = HAL_I2C_Mem_Read(&EEP_I2cHandle, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, pBuffer, Length, I2cxTimeout);
|
|
Jerome Coutant |
1:2371382139dd
|
563
|
|
|
Jerome Coutant |
1:2371382139dd
|
564
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
565
|
if(status == HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
566
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
567
|
return 0;
|
|
Jerome Coutant |
1:2371382139dd
|
568
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
569
|
else
|
|
Jerome Coutant |
1:2371382139dd
|
570
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
571
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
572
|
I2Cx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
573
|
|
|
Jerome Coutant |
1:2371382139dd
|
574
|
return 1;
|
|
Jerome Coutant |
1:2371382139dd
|
575
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
576
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
577
|
|
|
Jerome Coutant |
1:2371382139dd
|
578
|
#ifdef EE_M24LR64
|
|
Jerome Coutant |
1:2371382139dd
|
579
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
580
|
* @brief Writes a value in a register of the device through BUS in using DMA mode.
|
|
Jerome Coutant |
1:2371382139dd
|
581
|
* @param Addr: Device address on BUS Bus.
|
|
Jerome Coutant |
1:2371382139dd
|
582
|
* @param Reg: The target register address to write
|
|
Jerome Coutant |
1:2371382139dd
|
583
|
* @param pBuffer: The target register value to be written
|
|
Jerome Coutant |
1:2371382139dd
|
584
|
* @param Length: buffer size to be written
|
|
Jerome Coutant |
1:2371382139dd
|
585
|
* @retval HAL status
|
|
Jerome Coutant |
1:2371382139dd
|
586
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
587
|
static HAL_StatusTypeDef I2Cx_WriteBufferDMA(uint8_t Addr, uint16_t Reg, uint8_t *pBuffer, uint16_t Length)
|
|
Jerome Coutant |
1:2371382139dd
|
588
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
589
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
590
|
|
|
Jerome Coutant |
1:2371382139dd
|
591
|
status = HAL_I2C_Mem_Write_DMA(&EEP_I2cHandle, Addr, Reg, I2C_MEMADD_SIZE_16BIT, pBuffer, Length);
|
|
Jerome Coutant |
1:2371382139dd
|
592
|
|
|
Jerome Coutant |
1:2371382139dd
|
593
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
594
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
595
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
596
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
597
|
I2Cx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
598
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
599
|
|
|
Jerome Coutant |
1:2371382139dd
|
600
|
return status;
|
|
Jerome Coutant |
1:2371382139dd
|
601
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
602
|
|
|
Jerome Coutant |
1:2371382139dd
|
603
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
604
|
* @brief Reads multiple data on the BUS in using DMA mode.
|
|
Jerome Coutant |
1:2371382139dd
|
605
|
* @param Addr: I2C Address
|
|
Jerome Coutant |
1:2371382139dd
|
606
|
* @param Reg: Reg Address
|
|
Jerome Coutant |
1:2371382139dd
|
607
|
* @param pBuffer: pointer to read data buffer
|
|
Jerome Coutant |
1:2371382139dd
|
608
|
* @param Length: length of the data
|
|
Jerome Coutant |
1:2371382139dd
|
609
|
* @retval HAL status
|
|
Jerome Coutant |
1:2371382139dd
|
610
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
611
|
static HAL_StatusTypeDef I2Cx_ReadBufferDMA(uint8_t Addr, uint16_t Reg, uint8_t *pBuffer, uint16_t Length)
|
|
Jerome Coutant |
1:2371382139dd
|
612
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
613
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
614
|
|
|
Jerome Coutant |
1:2371382139dd
|
615
|
status = HAL_I2C_Mem_Read_DMA(&EEP_I2cHandle, Addr, Reg, I2C_MEMADD_SIZE_16BIT, pBuffer, Length);
|
|
Jerome Coutant |
1:2371382139dd
|
616
|
|
|
Jerome Coutant |
1:2371382139dd
|
617
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
618
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
619
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
620
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
621
|
I2Cx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
622
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
623
|
|
|
Jerome Coutant |
1:2371382139dd
|
624
|
return status;
|
|
Jerome Coutant |
1:2371382139dd
|
625
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
626
|
|
|
Jerome Coutant |
1:2371382139dd
|
627
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
628
|
* @brief Checks if target device is ready for communication.
|
|
Jerome Coutant |
1:2371382139dd
|
629
|
* @note This function is used with Memory devices
|
|
Jerome Coutant |
1:2371382139dd
|
630
|
* @param DevAddress: Target device address
|
|
Jerome Coutant |
1:2371382139dd
|
631
|
* @param Trials: Number of trials
|
|
Jerome Coutant |
1:2371382139dd
|
632
|
* @retval HAL status
|
|
Jerome Coutant |
1:2371382139dd
|
633
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
634
|
static HAL_StatusTypeDef I2Cx_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
|
|
Jerome Coutant |
1:2371382139dd
|
635
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
636
|
return (HAL_I2C_IsDeviceReady(&EEP_I2cHandle, DevAddress, Trials, I2cxTimeout));
|
|
Jerome Coutant |
1:2371382139dd
|
637
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
638
|
#endif /* EE_M24LR64 */
|
|
Jerome Coutant |
1:2371382139dd
|
639
|
|
|
Jerome Coutant |
1:2371382139dd
|
640
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
641
|
* @brief I2Cx error treatment function
|
|
Jerome Coutant |
1:2371382139dd
|
642
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
643
|
static void I2Cx_Error(void)
|
|
Jerome Coutant |
1:2371382139dd
|
644
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
645
|
/* De-initialize the I2C communication BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
646
|
HAL_I2C_DeInit(&EEP_I2cHandle);
|
|
Jerome Coutant |
1:2371382139dd
|
647
|
|
|
Jerome Coutant |
1:2371382139dd
|
648
|
/* Re-Initialize the I2C communication BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
649
|
I2Cx_Init();
|
|
Jerome Coutant |
1:2371382139dd
|
650
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
651
|
|
|
Jerome Coutant |
1:2371382139dd
|
652
|
/******************************* SPI Routines *********************************/
|
|
Jerome Coutant |
1:2371382139dd
|
653
|
|
|
Jerome Coutant |
1:2371382139dd
|
654
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
655
|
* @brief SPIx Bus initialization
|
|
Jerome Coutant |
1:2371382139dd
|
656
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
657
|
static void SPIx_Init(void)
|
|
Jerome Coutant |
1:2371382139dd
|
658
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
659
|
if(HAL_SPI_GetState(&SpiHandle) == HAL_SPI_STATE_RESET)
|
|
Jerome Coutant |
1:2371382139dd
|
660
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
661
|
/* SPI configuration -----------------------------------------------------*/
|
|
Jerome Coutant |
1:2371382139dd
|
662
|
SpiHandle.Instance = DISCOVERY_SPIx;
|
|
Jerome Coutant |
1:2371382139dd
|
663
|
/* SPI baudrate is set to 5.6 MHz (PCLK2/SPI_BaudRatePrescaler = 90/16 = 5.625 MHz)
|
|
Jerome Coutant |
1:2371382139dd
|
664
|
to verify these constraints:
|
|
Jerome Coutant |
1:2371382139dd
|
665
|
- ILI9341 LCD SPI interface max baudrate is 10MHz for write and 6.66MHz for read
|
|
Jerome Coutant |
1:2371382139dd
|
666
|
- l3gd20 SPI interface max baudrate is 10MHz for write/read
|
|
Jerome Coutant |
1:2371382139dd
|
667
|
- PCLK2 frequency is set to 90 MHz
|
|
Jerome Coutant |
1:2371382139dd
|
668
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
669
|
SpiHandle.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_16;
|
|
Jerome Coutant |
1:2371382139dd
|
670
|
|
|
Jerome Coutant |
1:2371382139dd
|
671
|
/* On STM32F429I-Discovery, LCD ID cannot be read then keep a common configuration */
|
|
Jerome Coutant |
1:2371382139dd
|
672
|
/* for LCD and GYRO (SPI_DIRECTION_2LINES) */
|
|
Jerome Coutant |
1:2371382139dd
|
673
|
/* Note: To read a register a LCD, SPI_DIRECTION_1LINE should be set */
|
|
Jerome Coutant |
1:2371382139dd
|
674
|
SpiHandle.Init.Direction = SPI_DIRECTION_2LINES;
|
|
Jerome Coutant |
1:2371382139dd
|
675
|
SpiHandle.Init.CLKPhase = SPI_PHASE_1EDGE;
|
|
Jerome Coutant |
1:2371382139dd
|
676
|
SpiHandle.Init.CLKPolarity = SPI_POLARITY_LOW;
|
|
Jerome Coutant |
1:2371382139dd
|
677
|
SpiHandle.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
|
|
Jerome Coutant |
1:2371382139dd
|
678
|
SpiHandle.Init.CRCPolynomial = 7;
|
|
Jerome Coutant |
1:2371382139dd
|
679
|
SpiHandle.Init.DataSize = SPI_DATASIZE_8BIT;
|
|
Jerome Coutant |
1:2371382139dd
|
680
|
SpiHandle.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
|
Jerome Coutant |
1:2371382139dd
|
681
|
SpiHandle.Init.NSS = SPI_NSS_SOFT;
|
|
Jerome Coutant |
1:2371382139dd
|
682
|
SpiHandle.Init.TIMode = SPI_TIMODE_DISABLED;
|
|
Jerome Coutant |
1:2371382139dd
|
683
|
SpiHandle.Init.Mode = SPI_MODE_MASTER;
|
|
Jerome Coutant |
1:2371382139dd
|
684
|
|
|
Jerome Coutant |
1:2371382139dd
|
685
|
SPIx_MspInit(&SpiHandle);
|
|
Jerome Coutant |
1:2371382139dd
|
686
|
HAL_SPI_Init(&SpiHandle);
|
|
Jerome Coutant |
1:2371382139dd
|
687
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
688
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
689
|
|
|
Jerome Coutant |
1:2371382139dd
|
690
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
691
|
* @brief Reads 4 bytes from device.
|
|
Jerome Coutant |
1:2371382139dd
|
692
|
* @param ReadSize: Number of bytes to read (max 4 bytes)
|
|
Jerome Coutant |
1:2371382139dd
|
693
|
* @retval Value read on the SPI
|
|
Jerome Coutant |
1:2371382139dd
|
694
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
695
|
static uint32_t SPIx_Read(uint8_t ReadSize)
|
|
Jerome Coutant |
1:2371382139dd
|
696
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
697
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
698
|
uint32_t readvalue;
|
|
Jerome Coutant |
1:2371382139dd
|
699
|
|
|
Jerome Coutant |
1:2371382139dd
|
700
|
status = HAL_SPI_Receive(&SpiHandle, (uint8_t*) &readvalue, ReadSize, SpixTimeout);
|
|
Jerome Coutant |
1:2371382139dd
|
701
|
|
|
Jerome Coutant |
1:2371382139dd
|
702
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
703
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
704
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
705
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
706
|
SPIx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
707
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
708
|
|
|
Jerome Coutant |
1:2371382139dd
|
709
|
return readvalue;
|
|
Jerome Coutant |
1:2371382139dd
|
710
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
711
|
|
|
Jerome Coutant |
1:2371382139dd
|
712
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
713
|
* @brief Writes a byte to device.
|
|
Jerome Coutant |
1:2371382139dd
|
714
|
* @param Value: value to be written
|
|
Jerome Coutant |
1:2371382139dd
|
715
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
716
|
static void SPIx_Write(uint16_t Value)
|
|
Jerome Coutant |
1:2371382139dd
|
717
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
718
|
HAL_StatusTypeDef status = HAL_OK;
|
|
Jerome Coutant |
1:2371382139dd
|
719
|
|
|
Jerome Coutant |
1:2371382139dd
|
720
|
status = HAL_SPI_Transmit(&SpiHandle, (uint8_t*) &Value, 1, SpixTimeout);
|
|
Jerome Coutant |
1:2371382139dd
|
721
|
|
|
Jerome Coutant |
1:2371382139dd
|
722
|
/* Check the communication status */
|
|
Jerome Coutant |
1:2371382139dd
|
723
|
if(status != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
724
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
725
|
/* Re-Initialize the BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
726
|
SPIx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
727
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
728
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
729
|
|
|
Jerome Coutant |
1:2371382139dd
|
730
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
731
|
* @brief Sends a Byte through the SPI interface and return the Byte received
|
|
Jerome Coutant |
1:2371382139dd
|
732
|
* from the SPI bus.
|
|
Jerome Coutant |
1:2371382139dd
|
733
|
* @param Byte: Byte send.
|
|
Jerome Coutant |
1:2371382139dd
|
734
|
* @retval The received byte value
|
|
Jerome Coutant |
1:2371382139dd
|
735
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
736
|
static uint8_t SPIx_WriteRead(uint8_t Byte)
|
|
Jerome Coutant |
1:2371382139dd
|
737
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
738
|
uint8_t receivedbyte = 0;
|
|
Jerome Coutant |
1:2371382139dd
|
739
|
|
|
Jerome Coutant |
1:2371382139dd
|
740
|
/* Send a Byte through the SPI peripheral */
|
|
Jerome Coutant |
1:2371382139dd
|
741
|
/* Read byte from the SPI bus */
|
|
Jerome Coutant |
1:2371382139dd
|
742
|
if(HAL_SPI_TransmitReceive(&SpiHandle, (uint8_t*) &Byte, (uint8_t*) &receivedbyte, 1, SpixTimeout) != HAL_OK)
|
|
Jerome Coutant |
1:2371382139dd
|
743
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
744
|
SPIx_Error();
|
|
Jerome Coutant |
1:2371382139dd
|
745
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
746
|
|
|
Jerome Coutant |
1:2371382139dd
|
747
|
return receivedbyte;
|
|
Jerome Coutant |
1:2371382139dd
|
748
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
749
|
|
|
Jerome Coutant |
1:2371382139dd
|
750
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
751
|
* @brief SPIx error treatment function.
|
|
Jerome Coutant |
1:2371382139dd
|
752
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
753
|
static void SPIx_Error(void)
|
|
Jerome Coutant |
1:2371382139dd
|
754
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
755
|
/* De-initialize the SPI communication BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
756
|
HAL_SPI_DeInit(&SpiHandle);
|
|
Jerome Coutant |
1:2371382139dd
|
757
|
|
|
Jerome Coutant |
1:2371382139dd
|
758
|
/* Re- Initialize the SPI communication BUS */
|
|
Jerome Coutant |
1:2371382139dd
|
759
|
SPIx_Init();
|
|
Jerome Coutant |
1:2371382139dd
|
760
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
761
|
|
|
Jerome Coutant |
1:2371382139dd
|
762
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
763
|
* @brief SPI MSP Init.
|
|
Jerome Coutant |
1:2371382139dd
|
764
|
* @param hspi: SPI handle
|
|
Jerome Coutant |
1:2371382139dd
|
765
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
766
|
static void SPIx_MspInit(SPI_HandleTypeDef *hspi)
|
|
Jerome Coutant |
1:2371382139dd
|
767
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
768
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
Jerome Coutant |
1:2371382139dd
|
769
|
|
|
Jerome Coutant |
1:2371382139dd
|
770
|
/* Enable SPIx clock */
|
|
Jerome Coutant |
1:2371382139dd
|
771
|
DISCOVERY_SPIx_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
772
|
|
|
Jerome Coutant |
1:2371382139dd
|
773
|
/* Enable DISCOVERY_SPI GPIO clock */
|
|
Jerome Coutant |
1:2371382139dd
|
774
|
DISCOVERY_SPIx_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
775
|
|
|
Jerome Coutant |
1:2371382139dd
|
776
|
/* configure SPI SCK, MOSI and MISO */
|
|
Jerome Coutant |
1:2371382139dd
|
777
|
GPIO_InitStructure.Pin = (DISCOVERY_SPIx_SCK_PIN | DISCOVERY_SPIx_MOSI_PIN | DISCOVERY_SPIx_MISO_PIN);
|
|
Jerome Coutant |
1:2371382139dd
|
778
|
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
|
|
Jerome Coutant |
1:2371382139dd
|
779
|
GPIO_InitStructure.Pull = GPIO_PULLDOWN;
|
|
Jerome Coutant |
1:2371382139dd
|
780
|
GPIO_InitStructure.Speed = GPIO_SPEED_MEDIUM;
|
|
Jerome Coutant |
1:2371382139dd
|
781
|
GPIO_InitStructure.Alternate = DISCOVERY_SPIx_AF;
|
|
Jerome Coutant |
1:2371382139dd
|
782
|
HAL_GPIO_Init(DISCOVERY_SPIx_GPIO_PORT, &GPIO_InitStructure);
|
|
Jerome Coutant |
1:2371382139dd
|
783
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
784
|
|
|
Jerome Coutant |
1:2371382139dd
|
785
|
/********************************* LINK LCD ***********************************/
|
|
Jerome Coutant |
1:2371382139dd
|
786
|
|
|
Jerome Coutant |
1:2371382139dd
|
787
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
788
|
* @brief Configures the LCD_SPI interface.
|
|
Jerome Coutant |
1:2371382139dd
|
789
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
790
|
void LCD_IO_Init(void)
|
|
Jerome Coutant |
1:2371382139dd
|
791
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
792
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
Jerome Coutant |
1:2371382139dd
|
793
|
|
|
Jerome Coutant |
1:2371382139dd
|
794
|
if(Is_LCD_IO_Initialized == 0)
|
|
Jerome Coutant |
1:2371382139dd
|
795
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
796
|
Is_LCD_IO_Initialized = 1;
|
|
Jerome Coutant |
1:2371382139dd
|
797
|
|
|
Jerome Coutant |
1:2371382139dd
|
798
|
/* Configure NCS in Output Push-Pull mode */
|
|
Jerome Coutant |
1:2371382139dd
|
799
|
LCD_WRX_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
800
|
GPIO_InitStructure.Pin = LCD_WRX_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
801
|
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
|
Jerome Coutant |
1:2371382139dd
|
802
|
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
|
Jerome Coutant |
1:2371382139dd
|
803
|
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
|
|
Jerome Coutant |
1:2371382139dd
|
804
|
HAL_GPIO_Init(LCD_WRX_GPIO_PORT, &GPIO_InitStructure);
|
|
Jerome Coutant |
1:2371382139dd
|
805
|
|
|
Jerome Coutant |
1:2371382139dd
|
806
|
LCD_RDX_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
807
|
GPIO_InitStructure.Pin = LCD_RDX_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
808
|
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
|
Jerome Coutant |
1:2371382139dd
|
809
|
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
|
Jerome Coutant |
1:2371382139dd
|
810
|
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
|
|
Jerome Coutant |
1:2371382139dd
|
811
|
HAL_GPIO_Init(LCD_RDX_GPIO_PORT, &GPIO_InitStructure);
|
|
Jerome Coutant |
1:2371382139dd
|
812
|
|
|
Jerome Coutant |
1:2371382139dd
|
813
|
/* Configure the LCD Control pins ----------------------------------------*/
|
|
Jerome Coutant |
1:2371382139dd
|
814
|
LCD_NCS_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
815
|
|
|
Jerome Coutant |
1:2371382139dd
|
816
|
/* Configure NCS in Output Push-Pull mode */
|
|
Jerome Coutant |
1:2371382139dd
|
817
|
GPIO_InitStructure.Pin = LCD_NCS_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
818
|
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
|
Jerome Coutant |
1:2371382139dd
|
819
|
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
|
Jerome Coutant |
1:2371382139dd
|
820
|
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
|
|
Jerome Coutant |
1:2371382139dd
|
821
|
HAL_GPIO_Init(LCD_NCS_GPIO_PORT, &GPIO_InitStructure);
|
|
Jerome Coutant |
1:2371382139dd
|
822
|
|
|
Jerome Coutant |
1:2371382139dd
|
823
|
/* Set or Reset the control line */
|
|
Jerome Coutant |
1:2371382139dd
|
824
|
LCD_CS_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
825
|
LCD_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
826
|
|
|
Jerome Coutant |
1:2371382139dd
|
827
|
SPIx_Init();
|
|
Jerome Coutant |
1:2371382139dd
|
828
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
829
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
830
|
|
|
Jerome Coutant |
1:2371382139dd
|
831
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
832
|
* @brief Writes register value.
|
|
Jerome Coutant |
1:2371382139dd
|
833
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
834
|
void LCD_IO_WriteData(uint16_t RegValue)
|
|
Jerome Coutant |
1:2371382139dd
|
835
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
836
|
/* Set WRX to send data */
|
|
Jerome Coutant |
1:2371382139dd
|
837
|
LCD_WRX_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
838
|
|
|
Jerome Coutant |
1:2371382139dd
|
839
|
/* Reset LCD control line(/CS) and Send data */
|
|
Jerome Coutant |
1:2371382139dd
|
840
|
LCD_CS_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
841
|
SPIx_Write(RegValue);
|
|
Jerome Coutant |
1:2371382139dd
|
842
|
|
|
Jerome Coutant |
1:2371382139dd
|
843
|
/* Deselect: Chip Select high */
|
|
Jerome Coutant |
1:2371382139dd
|
844
|
LCD_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
845
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
846
|
|
|
Jerome Coutant |
1:2371382139dd
|
847
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
848
|
* @brief Writes register address.
|
|
Jerome Coutant |
1:2371382139dd
|
849
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
850
|
void LCD_IO_WriteReg(uint8_t Reg)
|
|
Jerome Coutant |
1:2371382139dd
|
851
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
852
|
/* Reset WRX to send command */
|
|
Jerome Coutant |
1:2371382139dd
|
853
|
LCD_WRX_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
854
|
|
|
Jerome Coutant |
1:2371382139dd
|
855
|
/* Reset LCD control line(/CS) and Send command */
|
|
Jerome Coutant |
1:2371382139dd
|
856
|
LCD_CS_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
857
|
SPIx_Write(Reg);
|
|
Jerome Coutant |
1:2371382139dd
|
858
|
|
|
Jerome Coutant |
1:2371382139dd
|
859
|
/* Deselect: Chip Select high */
|
|
Jerome Coutant |
1:2371382139dd
|
860
|
LCD_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
861
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
862
|
|
|
Jerome Coutant |
1:2371382139dd
|
863
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
864
|
* @brief Reads register value.
|
|
Jerome Coutant |
1:2371382139dd
|
865
|
* @param RegValue Address of the register to read
|
|
Jerome Coutant |
1:2371382139dd
|
866
|
* @param ReadSize Number of bytes to read
|
|
Jerome Coutant |
1:2371382139dd
|
867
|
* @retval Content of the register value
|
|
Jerome Coutant |
1:2371382139dd
|
868
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
869
|
uint32_t LCD_IO_ReadData(uint16_t RegValue, uint8_t ReadSize)
|
|
Jerome Coutant |
1:2371382139dd
|
870
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
871
|
uint32_t readvalue = 0;
|
|
Jerome Coutant |
1:2371382139dd
|
872
|
|
|
Jerome Coutant |
1:2371382139dd
|
873
|
/* Select: Chip Select low */
|
|
Jerome Coutant |
1:2371382139dd
|
874
|
LCD_CS_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
875
|
|
|
Jerome Coutant |
1:2371382139dd
|
876
|
/* Reset WRX to send command */
|
|
Jerome Coutant |
1:2371382139dd
|
877
|
LCD_WRX_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
878
|
|
|
Jerome Coutant |
1:2371382139dd
|
879
|
SPIx_Write(RegValue);
|
|
Jerome Coutant |
1:2371382139dd
|
880
|
|
|
Jerome Coutant |
1:2371382139dd
|
881
|
readvalue = SPIx_Read(ReadSize);
|
|
Jerome Coutant |
1:2371382139dd
|
882
|
|
|
Jerome Coutant |
1:2371382139dd
|
883
|
/* Set WRX to send data */
|
|
Jerome Coutant |
1:2371382139dd
|
884
|
LCD_WRX_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
885
|
|
|
Jerome Coutant |
1:2371382139dd
|
886
|
/* Deselect: Chip Select high */
|
|
Jerome Coutant |
1:2371382139dd
|
887
|
LCD_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
888
|
|
|
Jerome Coutant |
1:2371382139dd
|
889
|
return readvalue;
|
|
Jerome Coutant |
1:2371382139dd
|
890
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
891
|
|
|
Jerome Coutant |
1:2371382139dd
|
892
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
893
|
* @brief Wait for loop in ms.
|
|
Jerome Coutant |
1:2371382139dd
|
894
|
* @param Delay in ms.
|
|
Jerome Coutant |
1:2371382139dd
|
895
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
896
|
void LCD_Delay(uint32_t Delay)
|
|
Jerome Coutant |
1:2371382139dd
|
897
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
898
|
//HAL_Delay(Delay);
|
|
Jerome Coutant |
1:2371382139dd
|
899
|
wait_ms(Delay);
|
|
Jerome Coutant |
1:2371382139dd
|
900
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
901
|
|
|
Jerome Coutant |
1:2371382139dd
|
902
|
/*******************************************************************************
|
|
Jerome Coutant |
1:2371382139dd
|
903
|
LINK OPERATIONS
|
|
Jerome Coutant |
1:2371382139dd
|
904
|
*******************************************************************************/
|
|
Jerome Coutant |
1:2371382139dd
|
905
|
|
|
Jerome Coutant |
1:2371382139dd
|
906
|
/********************************* LINK IOE ***********************************/
|
|
Jerome Coutant |
1:2371382139dd
|
907
|
|
|
Jerome Coutant |
1:2371382139dd
|
908
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
909
|
* @brief IOE Low Level Initialization.
|
|
Jerome Coutant |
1:2371382139dd
|
910
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
911
|
void IOE_Init(void)
|
|
Jerome Coutant |
1:2371382139dd
|
912
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
913
|
I2Cx_Init();
|
|
Jerome Coutant |
1:2371382139dd
|
914
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
915
|
|
|
Jerome Coutant |
1:2371382139dd
|
916
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
917
|
* @brief IOE Low Level Interrupt configuration.
|
|
Jerome Coutant |
1:2371382139dd
|
918
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
919
|
void IOE_ITConfig(void)
|
|
Jerome Coutant |
1:2371382139dd
|
920
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
921
|
I2Cx_ITConfig();
|
|
Jerome Coutant |
1:2371382139dd
|
922
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
923
|
|
|
Jerome Coutant |
1:2371382139dd
|
924
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
925
|
* @brief IOE Writes single data operation.
|
|
Jerome Coutant |
1:2371382139dd
|
926
|
* @param Addr: I2C Address
|
|
Jerome Coutant |
1:2371382139dd
|
927
|
* @param Reg: Reg Address
|
|
Jerome Coutant |
1:2371382139dd
|
928
|
* @param Value: Data to be written
|
|
Jerome Coutant |
1:2371382139dd
|
929
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
930
|
void IOE_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
|
|
Jerome Coutant |
1:2371382139dd
|
931
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
932
|
I2Cx_WriteData(Addr, Reg, Value);
|
|
Jerome Coutant |
1:2371382139dd
|
933
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
934
|
|
|
Jerome Coutant |
1:2371382139dd
|
935
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
936
|
* @brief IOE Reads single data.
|
|
Jerome Coutant |
1:2371382139dd
|
937
|
* @param Addr: I2C Address
|
|
Jerome Coutant |
1:2371382139dd
|
938
|
* @param Reg: Reg Address
|
|
Jerome Coutant |
1:2371382139dd
|
939
|
* @retval The read data
|
|
Jerome Coutant |
1:2371382139dd
|
940
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
941
|
uint8_t IOE_Read(uint8_t Addr, uint8_t Reg)
|
|
Jerome Coutant |
1:2371382139dd
|
942
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
943
|
return I2Cx_ReadData(Addr, Reg);
|
|
Jerome Coutant |
1:2371382139dd
|
944
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
945
|
|
|
Jerome Coutant |
1:2371382139dd
|
946
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
947
|
* @brief IOE Writes multiple data.
|
|
Jerome Coutant |
1:2371382139dd
|
948
|
* @param Addr: I2C Address
|
|
Jerome Coutant |
1:2371382139dd
|
949
|
* @param Reg: Reg Address
|
|
Jerome Coutant |
1:2371382139dd
|
950
|
* @param pBuffer: pointer to data buffer
|
|
Jerome Coutant |
1:2371382139dd
|
951
|
* @param Length: length of the data
|
|
Jerome Coutant |
1:2371382139dd
|
952
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
953
|
void IOE_WriteMultiple(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length)
|
|
Jerome Coutant |
1:2371382139dd
|
954
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
955
|
I2Cx_WriteBuffer(Addr, Reg, pBuffer, Length);
|
|
Jerome Coutant |
1:2371382139dd
|
956
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
957
|
|
|
Jerome Coutant |
1:2371382139dd
|
958
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
959
|
* @brief IOE Reads multiple data.
|
|
Jerome Coutant |
1:2371382139dd
|
960
|
* @param Addr: I2C Address
|
|
Jerome Coutant |
1:2371382139dd
|
961
|
* @param Reg: Reg Address
|
|
Jerome Coutant |
1:2371382139dd
|
962
|
* @param pBuffer: pointer to data buffer
|
|
Jerome Coutant |
1:2371382139dd
|
963
|
* @param Length: length of the data
|
|
Jerome Coutant |
1:2371382139dd
|
964
|
* @retval 0 if no problems to read multiple data
|
|
Jerome Coutant |
1:2371382139dd
|
965
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
966
|
uint16_t IOE_ReadMultiple(uint8_t Addr, uint8_t Reg, uint8_t *pBuffer, uint16_t Length)
|
|
Jerome Coutant |
1:2371382139dd
|
967
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
968
|
return I2Cx_ReadBuffer(Addr, Reg, pBuffer, Length);
|
|
Jerome Coutant |
1:2371382139dd
|
969
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
970
|
|
|
Jerome Coutant |
1:2371382139dd
|
971
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
972
|
* @brief IOE Delay.
|
|
Jerome Coutant |
1:2371382139dd
|
973
|
* @param Delay in ms
|
|
Jerome Coutant |
1:2371382139dd
|
974
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
975
|
void IOE_Delay(uint32_t Delay)
|
|
Jerome Coutant |
1:2371382139dd
|
976
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
977
|
//HAL_Delay(Delay);
|
|
Jerome Coutant |
1:2371382139dd
|
978
|
wait_ms(Delay);
|
|
Jerome Coutant |
1:2371382139dd
|
979
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
980
|
|
|
Jerome Coutant |
1:2371382139dd
|
981
|
/********************************* LINK GYROSCOPE *****************************/
|
|
Jerome Coutant |
1:2371382139dd
|
982
|
|
|
Jerome Coutant |
1:2371382139dd
|
983
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
984
|
* @brief Configures the Gyroscope SPI interface.
|
|
Jerome Coutant |
1:2371382139dd
|
985
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
986
|
void GYRO_IO_Init(void)
|
|
Jerome Coutant |
1:2371382139dd
|
987
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
988
|
GPIO_InitTypeDef GPIO_InitStructure;
|
|
Jerome Coutant |
1:2371382139dd
|
989
|
|
|
Jerome Coutant |
1:2371382139dd
|
990
|
/* Configure the Gyroscope Control pins ------------------------------------*/
|
|
Jerome Coutant |
1:2371382139dd
|
991
|
/* Enable CS GPIO clock and Configure GPIO PIN for Gyroscope Chip select */
|
|
Jerome Coutant |
1:2371382139dd
|
992
|
GYRO_CS_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
993
|
GPIO_InitStructure.Pin = GYRO_CS_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
994
|
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
|
|
Jerome Coutant |
1:2371382139dd
|
995
|
GPIO_InitStructure.Pull = GPIO_NOPULL;
|
|
Jerome Coutant |
1:2371382139dd
|
996
|
GPIO_InitStructure.Speed = GPIO_SPEED_MEDIUM;
|
|
Jerome Coutant |
1:2371382139dd
|
997
|
HAL_GPIO_Init(GYRO_CS_GPIO_PORT, &GPIO_InitStructure);
|
|
Jerome Coutant |
1:2371382139dd
|
998
|
|
|
Jerome Coutant |
1:2371382139dd
|
999
|
/* Deselect: Chip Select high */
|
|
Jerome Coutant |
1:2371382139dd
|
1000
|
GYRO_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
1001
|
|
|
Jerome Coutant |
1:2371382139dd
|
1002
|
/* Enable INT1, INT2 GPIO clock and Configure GPIO PINs to detect Interrupts */
|
|
Jerome Coutant |
1:2371382139dd
|
1003
|
GYRO_INT_GPIO_CLK_ENABLE();
|
|
Jerome Coutant |
1:2371382139dd
|
1004
|
GPIO_InitStructure.Pin = GYRO_INT1_PIN | GYRO_INT2_PIN;
|
|
Jerome Coutant |
1:2371382139dd
|
1005
|
GPIO_InitStructure.Mode = GPIO_MODE_INPUT;
|
|
Jerome Coutant |
1:2371382139dd
|
1006
|
GPIO_InitStructure.Speed = GPIO_SPEED_FAST;
|
|
Jerome Coutant |
1:2371382139dd
|
1007
|
GPIO_InitStructure.Pull= GPIO_NOPULL;
|
|
Jerome Coutant |
1:2371382139dd
|
1008
|
HAL_GPIO_Init(GYRO_INT_GPIO_PORT, &GPIO_InitStructure);
|
|
Jerome Coutant |
1:2371382139dd
|
1009
|
|
|
Jerome Coutant |
1:2371382139dd
|
1010
|
SPIx_Init();
|
|
Jerome Coutant |
1:2371382139dd
|
1011
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1012
|
|
|
Jerome Coutant |
1:2371382139dd
|
1013
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1014
|
* @brief Writes one byte to the Gyroscope.
|
|
Jerome Coutant |
1:2371382139dd
|
1015
|
* @param pBuffer: Pointer to the buffer containing the data to be written to the Gyroscope.
|
|
Jerome Coutant |
1:2371382139dd
|
1016
|
* @param WriteAddr: Gyroscope's internal address to write to.
|
|
Jerome Coutant |
1:2371382139dd
|
1017
|
* @param NumByteToWrite: Number of bytes to write.
|
|
Jerome Coutant |
1:2371382139dd
|
1018
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1019
|
void GYRO_IO_Write(uint8_t* pBuffer, uint8_t WriteAddr, uint16_t NumByteToWrite)
|
|
Jerome Coutant |
1:2371382139dd
|
1020
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1021
|
/* Configure the MS bit:
|
|
Jerome Coutant |
1:2371382139dd
|
1022
|
- When 0, the address will remain unchanged in multiple read/write commands.
|
|
Jerome Coutant |
1:2371382139dd
|
1023
|
- When 1, the address will be auto incremented in multiple read/write commands.
|
|
Jerome Coutant |
1:2371382139dd
|
1024
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1025
|
if(NumByteToWrite > 0x01)
|
|
Jerome Coutant |
1:2371382139dd
|
1026
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1027
|
WriteAddr |= (uint8_t)MULTIPLEBYTE_CMD;
|
|
Jerome Coutant |
1:2371382139dd
|
1028
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1029
|
/* Set chip select Low at the start of the transmission */
|
|
Jerome Coutant |
1:2371382139dd
|
1030
|
GYRO_CS_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
1031
|
|
|
Jerome Coutant |
1:2371382139dd
|
1032
|
/* Send the Address of the indexed register */
|
|
Jerome Coutant |
1:2371382139dd
|
1033
|
SPIx_WriteRead(WriteAddr);
|
|
Jerome Coutant |
1:2371382139dd
|
1034
|
|
|
Jerome Coutant |
1:2371382139dd
|
1035
|
/* Send the data that will be written into the device (MSB First) */
|
|
Jerome Coutant |
1:2371382139dd
|
1036
|
while(NumByteToWrite >= 0x01)
|
|
Jerome Coutant |
1:2371382139dd
|
1037
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1038
|
SPIx_WriteRead(*pBuffer);
|
|
Jerome Coutant |
1:2371382139dd
|
1039
|
NumByteToWrite--;
|
|
Jerome Coutant |
1:2371382139dd
|
1040
|
pBuffer++;
|
|
Jerome Coutant |
1:2371382139dd
|
1041
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1042
|
|
|
Jerome Coutant |
1:2371382139dd
|
1043
|
/* Set chip select High at the end of the transmission */
|
|
Jerome Coutant |
1:2371382139dd
|
1044
|
GYRO_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
1045
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1046
|
|
|
Jerome Coutant |
1:2371382139dd
|
1047
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1048
|
* @brief Reads a block of data from the Gyroscope.
|
|
Jerome Coutant |
1:2371382139dd
|
1049
|
* @param pBuffer: Pointer to the buffer that receives the data read from the Gyroscope.
|
|
Jerome Coutant |
1:2371382139dd
|
1050
|
* @param ReadAddr: Gyroscope's internal address to read from.
|
|
Jerome Coutant |
1:2371382139dd
|
1051
|
* @param NumByteToRead: Number of bytes to read from the Gyroscope.
|
|
Jerome Coutant |
1:2371382139dd
|
1052
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1053
|
void GYRO_IO_Read(uint8_t* pBuffer, uint8_t ReadAddr, uint16_t NumByteToRead)
|
|
Jerome Coutant |
1:2371382139dd
|
1054
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1055
|
if(NumByteToRead > 0x01)
|
|
Jerome Coutant |
1:2371382139dd
|
1056
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1057
|
ReadAddr |= (uint8_t)(READWRITE_CMD | MULTIPLEBYTE_CMD);
|
|
Jerome Coutant |
1:2371382139dd
|
1058
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1059
|
else
|
|
Jerome Coutant |
1:2371382139dd
|
1060
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1061
|
ReadAddr |= (uint8_t)READWRITE_CMD;
|
|
Jerome Coutant |
1:2371382139dd
|
1062
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1063
|
/* Set chip select Low at the start of the transmission */
|
|
Jerome Coutant |
1:2371382139dd
|
1064
|
GYRO_CS_LOW();
|
|
Jerome Coutant |
1:2371382139dd
|
1065
|
|
|
Jerome Coutant |
1:2371382139dd
|
1066
|
/* Send the Address of the indexed register */
|
|
Jerome Coutant |
1:2371382139dd
|
1067
|
SPIx_WriteRead(ReadAddr);
|
|
Jerome Coutant |
1:2371382139dd
|
1068
|
|
|
Jerome Coutant |
1:2371382139dd
|
1069
|
/* Receive the data that will be read from the device (MSB First) */
|
|
Jerome Coutant |
1:2371382139dd
|
1070
|
while(NumByteToRead > 0x00)
|
|
Jerome Coutant |
1:2371382139dd
|
1071
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1072
|
/* Send dummy byte (0x00) to generate the SPI clock to Gyroscope (Slave device) */
|
|
Jerome Coutant |
1:2371382139dd
|
1073
|
*pBuffer = SPIx_WriteRead(DUMMY_BYTE);
|
|
Jerome Coutant |
1:2371382139dd
|
1074
|
NumByteToRead--;
|
|
Jerome Coutant |
1:2371382139dd
|
1075
|
pBuffer++;
|
|
Jerome Coutant |
1:2371382139dd
|
1076
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1077
|
|
|
Jerome Coutant |
1:2371382139dd
|
1078
|
/* Set chip select High at the end of the transmission */
|
|
Jerome Coutant |
1:2371382139dd
|
1079
|
GYRO_CS_HIGH();
|
|
Jerome Coutant |
1:2371382139dd
|
1080
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1081
|
|
|
Jerome Coutant |
1:2371382139dd
|
1082
|
|
|
Jerome Coutant |
1:2371382139dd
|
1083
|
#ifdef EE_M24LR64
|
|
Jerome Coutant |
1:2371382139dd
|
1084
|
|
|
Jerome Coutant |
1:2371382139dd
|
1085
|
/******************************** LINK I2C EEPROM *****************************/
|
|
Jerome Coutant |
1:2371382139dd
|
1086
|
|
|
Jerome Coutant |
1:2371382139dd
|
1087
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1088
|
* @brief Initializes peripherals used by the I2C EEPROM driver.
|
|
Jerome Coutant |
1:2371382139dd
|
1089
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1090
|
void EEPROM_IO_Init(void)
|
|
Jerome Coutant |
1:2371382139dd
|
1091
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1092
|
I2Cx_Init();
|
|
Jerome Coutant |
1:2371382139dd
|
1093
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1094
|
|
|
Jerome Coutant |
1:2371382139dd
|
1095
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1096
|
* @brief Writes data to I2C EEPROM driver in using DMA channel.
|
|
Jerome Coutant |
1:2371382139dd
|
1097
|
* @param DevAddress: Target device address
|
|
Jerome Coutant |
1:2371382139dd
|
1098
|
* @param MemAddress: Internal memory address
|
|
Jerome Coutant |
1:2371382139dd
|
1099
|
* @param pBuffer: Pointer to data buffer
|
|
Jerome Coutant |
1:2371382139dd
|
1100
|
* @param BufferSize: Amount of data to be sent
|
|
Jerome Coutant |
1:2371382139dd
|
1101
|
* @retval HAL status
|
|
Jerome Coutant |
1:2371382139dd
|
1102
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1103
|
HAL_StatusTypeDef EEPROM_IO_WriteData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
|
|
Jerome Coutant |
1:2371382139dd
|
1104
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1105
|
return (I2Cx_WriteBufferDMA(DevAddress, MemAddress, pBuffer, BufferSize));
|
|
Jerome Coutant |
1:2371382139dd
|
1106
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1107
|
|
|
Jerome Coutant |
1:2371382139dd
|
1108
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1109
|
* @brief Reads data from I2C EEPROM driver in using DMA channel.
|
|
Jerome Coutant |
1:2371382139dd
|
1110
|
* @param DevAddress: Target device address
|
|
Jerome Coutant |
1:2371382139dd
|
1111
|
* @param MemAddress: Internal memory address
|
|
Jerome Coutant |
1:2371382139dd
|
1112
|
* @param pBuffer: Pointer to data buffer
|
|
Jerome Coutant |
1:2371382139dd
|
1113
|
* @param BufferSize: Amount of data to be read
|
|
Jerome Coutant |
1:2371382139dd
|
1114
|
* @retval HAL status
|
|
Jerome Coutant |
1:2371382139dd
|
1115
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1116
|
HAL_StatusTypeDef EEPROM_IO_ReadData(uint16_t DevAddress, uint16_t MemAddress, uint8_t* pBuffer, uint32_t BufferSize)
|
|
Jerome Coutant |
1:2371382139dd
|
1117
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1118
|
return (I2Cx_ReadBufferDMA(DevAddress, MemAddress, pBuffer, BufferSize));
|
|
Jerome Coutant |
1:2371382139dd
|
1119
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1120
|
|
|
Jerome Coutant |
1:2371382139dd
|
1121
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1122
|
* @brief Checks if target device is ready for communication.
|
|
Jerome Coutant |
1:2371382139dd
|
1123
|
* @note This function is used with Memory devices
|
|
Jerome Coutant |
1:2371382139dd
|
1124
|
* @param DevAddress: Target device address
|
|
Jerome Coutant |
1:2371382139dd
|
1125
|
* @param Trials: Number of trials
|
|
Jerome Coutant |
1:2371382139dd
|
1126
|
* @retval HAL status
|
|
Jerome Coutant |
1:2371382139dd
|
1127
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1128
|
HAL_StatusTypeDef EEPROM_IO_IsDeviceReady(uint16_t DevAddress, uint32_t Trials)
|
|
Jerome Coutant |
1:2371382139dd
|
1129
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1130
|
return (I2Cx_IsDeviceReady(DevAddress, Trials));
|
|
Jerome Coutant |
1:2371382139dd
|
1131
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1132
|
|
|
Jerome Coutant |
1:2371382139dd
|
1133
|
// Added for mbed
|
|
Jerome Coutant |
1:2371382139dd
|
1134
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1135
|
* @brief This function handles sEE DMA TX interrupt request.
|
|
Jerome Coutant |
1:2371382139dd
|
1136
|
* @param None
|
|
Jerome Coutant |
1:2371382139dd
|
1137
|
* @retval None
|
|
Jerome Coutant |
1:2371382139dd
|
1138
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1139
|
static void EEPROM_I2C_DMA_TX_IRQHandler(void)
|
|
Jerome Coutant |
1:2371382139dd
|
1140
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1141
|
HAL_DMA_IRQHandler(EEP_I2cHandle.hdmatx);
|
|
Jerome Coutant |
1:2371382139dd
|
1142
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1143
|
|
|
Jerome Coutant |
1:2371382139dd
|
1144
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1145
|
* @brief This function handles sEE DMA RX interrupt request.
|
|
Jerome Coutant |
1:2371382139dd
|
1146
|
* @param None
|
|
Jerome Coutant |
1:2371382139dd
|
1147
|
* @retval None
|
|
Jerome Coutant |
1:2371382139dd
|
1148
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1149
|
static void EEPROM_I2C_DMA_RX_IRQHandler(void)
|
|
Jerome Coutant |
1:2371382139dd
|
1150
|
{
|
|
Jerome Coutant |
1:2371382139dd
|
1151
|
HAL_DMA_IRQHandler(EEP_I2cHandle.hdmarx);
|
|
Jerome Coutant |
1:2371382139dd
|
1152
|
}
|
|
Jerome Coutant |
1:2371382139dd
|
1153
|
|
|
Jerome Coutant |
1:2371382139dd
|
1154
|
#endif /* EE_M24LR64 */
|
|
Jerome Coutant |
1:2371382139dd
|
1155
|
|
|
Jerome Coutant |
1:2371382139dd
|
1156
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1157
|
* @}
|
|
Jerome Coutant |
1:2371382139dd
|
1158
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1159
|
|
|
Jerome Coutant |
1:2371382139dd
|
1160
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1161
|
* @}
|
|
Jerome Coutant |
1:2371382139dd
|
1162
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1163
|
|
|
Jerome Coutant |
1:2371382139dd
|
1164
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1165
|
* @}
|
|
Jerome Coutant |
1:2371382139dd
|
1166
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1167
|
|
|
Jerome Coutant |
1:2371382139dd
|
1168
|
/**
|
|
Jerome Coutant |
1:2371382139dd
|
1169
|
* @}
|
|
Jerome Coutant |
1:2371382139dd
|
1170
|
*/
|
|
Jerome Coutant |
1:2371382139dd
|
1171
|
|
|
Jerome Coutant |
1:2371382139dd
|
1172
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
|