wip
This commit is contained in:
parent
a426b8b847
commit
3c7c186d3f
|
|
@ -0,0 +1,51 @@
|
|||
/**
|
||||
******************************************************************************
|
||||
* @file i2c.h
|
||||
* @brief This file contains all the function prototypes for
|
||||
* the i2c.c file
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2021 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef __I2C_H__
|
||||
#define __I2C_H__
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "main.h"
|
||||
|
||||
/* USER CODE BEGIN Includes */
|
||||
|
||||
/* USER CODE END Includes */
|
||||
|
||||
|
||||
/* USER CODE BEGIN Private defines */
|
||||
|
||||
/* USER CODE END Private defines */
|
||||
|
||||
void MX_I2C2_Init(void);
|
||||
|
||||
/* USER CODE BEGIN Prototypes */
|
||||
|
||||
/* USER CODE END Prototypes */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __I2C_H__ */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
|
|
@ -0,0 +1,139 @@
|
|||
/* USER CODE BEGIN Header */
|
||||
/**
|
||||
******************************************************************************
|
||||
* @file : stm32wlxx_nucleo_bus.h
|
||||
* @brief : header file for the BSP BUS IO driver
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* Copyright (c) 2023 STMicroelectronics.
|
||||
* All rights reserved.
|
||||
*
|
||||
* This software is licensed under terms that can be found in the LICENSE file
|
||||
* in the root directory of this software component.
|
||||
* If no LICENSE file comes with this software, it is provided AS-IS.
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
/* USER CODE END Header */
|
||||
|
||||
/* Define to prevent recursive inclusion -------------------------------------*/
|
||||
#ifndef STM32WLXX_NUCLEO_BUS_H
|
||||
#define STM32WLXX_NUCLEO_BUS_H
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "stm32wlxx_nucleo_conf.h"
|
||||
#include "stm32wlxx_nucleo_errno.h"
|
||||
|
||||
/** @addtogroup BSP
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32WLXX_NUCLEO
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup STM32WLXX_NUCLEO_BUS STM32WLXX_NUCLEO BUS
|
||||
* @{
|
||||
*/
|
||||
|
||||
/** @defgroup STM32WLXX_NUCLEO_BUS_Exported_Constants STM32WLXX_NUCLEO BUS Exported Constants
|
||||
* @{
|
||||
*/
|
||||
|
||||
#define BUS_I2C2_INSTANCE I2C2
|
||||
#define BUS_I2C2_SCL_GPIO_AF GPIO_AF4_I2C2
|
||||
#define BUS_I2C2_SCL_GPIO_PORT GPIOA
|
||||
#define BUS_I2C2_SCL_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
|
||||
#define BUS_I2C2_SCL_GPIO_PIN GPIO_PIN_12
|
||||
#define BUS_I2C2_SCL_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
||||
#define BUS_I2C2_SDA_GPIO_CLK_DISABLE() __HAL_RCC_GPIOA_CLK_DISABLE()
|
||||
#define BUS_I2C2_SDA_GPIO_CLK_ENABLE() __HAL_RCC_GPIOA_CLK_ENABLE()
|
||||
#define BUS_I2C2_SDA_GPIO_PORT GPIOA
|
||||
#define BUS_I2C2_SDA_GPIO_PIN GPIO_PIN_11
|
||||
#define BUS_I2C2_SDA_GPIO_AF GPIO_AF4_I2C2
|
||||
|
||||
#ifndef BUS_I2C2_POLL_TIMEOUT
|
||||
#define BUS_I2C2_POLL_TIMEOUT 0x1000U
|
||||
#endif
|
||||
/* I2C2 Frequeny in Hz */
|
||||
#ifndef BUS_I2C2_FREQUENCY
|
||||
#define BUS_I2C2_FREQUENCY 1000000U /* Frequency of I2Cn = 100 KHz*/
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32WLXX_NUCLEO_BUS_Private_Types STM32WLXX_NUCLEO BUS Private types
|
||||
* @{
|
||||
*/
|
||||
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1U)
|
||||
typedef struct
|
||||
{
|
||||
pI2C_CallbackTypeDef pMspInitCb;
|
||||
pI2C_CallbackTypeDef pMspDeInitCb;
|
||||
}BSP_I2C_Cb_t;
|
||||
#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1U) */
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @defgroup STM32WLXX_NUCLEO_LOW_LEVEL_Exported_Variables LOW LEVEL Exported Constants
|
||||
* @{
|
||||
*/
|
||||
|
||||
extern I2C_HandleTypeDef hi2c2;
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/** @addtogroup STM32WLXX_NUCLEO_BUS_Exported_Functions
|
||||
* @{
|
||||
*/
|
||||
|
||||
/* BUS IO driver over I2C Peripheral */
|
||||
HAL_StatusTypeDef MX_I2C2_Init(I2C_HandleTypeDef* hi2c);
|
||||
int32_t BSP_I2C2_Init(void);
|
||||
int32_t BSP_I2C2_DeInit(void);
|
||||
int32_t BSP_I2C2_IsReady(uint16_t DevAddr, uint32_t Trials);
|
||||
int32_t BSP_I2C2_WriteReg(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
|
||||
int32_t BSP_I2C2_ReadReg(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
|
||||
int32_t BSP_I2C2_WriteReg16(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
|
||||
int32_t BSP_I2C2_ReadReg16(uint16_t Addr, uint16_t Reg, uint8_t *pData, uint16_t Length);
|
||||
int32_t BSP_I2C2_Send(uint16_t DevAddr, uint8_t *pData, uint16_t Length);
|
||||
int32_t BSP_I2C2_Recv(uint16_t DevAddr, uint8_t *pData, uint16_t Length);
|
||||
int32_t BSP_I2C2_SendRecv(uint16_t DevAddr, uint8_t *pTxdata, uint8_t *pRxdata, uint16_t Length);
|
||||
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1U)
|
||||
int32_t BSP_I2C2_RegisterDefaultMspCallbacks (void);
|
||||
int32_t BSP_I2C2_RegisterMspCallbacks (BSP_I2C_Cb_t *Callbacks);
|
||||
#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1U) */
|
||||
|
||||
int32_t BSP_GetTick(void);
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
|
||||
/**
|
||||
* @}
|
||||
*/
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* STM32WLXX_NUCLEO_BUS_H */
|
||||
|
||||
|
|
@ -0,0 +1,201 @@
|
|||
/**
|
||||
******************************************************************************
|
||||
* @file i2c.c
|
||||
* @brief This file provides code for the configuration
|
||||
* of the I2C instances.
|
||||
******************************************************************************
|
||||
* @attention
|
||||
*
|
||||
* <h2><center>© Copyright (c) 2021 STMicroelectronics.
|
||||
* All rights reserved.</center></h2>
|
||||
*
|
||||
* This software component is licensed by ST under BSD 3-Clause license,
|
||||
* the "License"; You may not use this file except in compliance with the
|
||||
* License. You may obtain a copy of the License at:
|
||||
* opensource.org/licenses/BSD-3-Clause
|
||||
*
|
||||
******************************************************************************
|
||||
*/
|
||||
|
||||
/* Includes ------------------------------------------------------------------*/
|
||||
#include "i2c.h"
|
||||
#include "main.h"
|
||||
/* USER CODE BEGIN 0 */
|
||||
extern I2C_HandleTypeDef hi2c2;
|
||||
DMA_HandleTypeDef hdma_i2c2_rx;
|
||||
DMA_HandleTypeDef hdma_i2c2_tx;
|
||||
/* USER CODE END 0 */
|
||||
|
||||
/* I2C2 init function */
|
||||
/**
|
||||
* @brief I2C2 Initialization Function
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void MX_I2C2_Init(void)
|
||||
{
|
||||
|
||||
/* USER CODE BEGIN I2C2_Init 0 */
|
||||
|
||||
/* USER CODE END I2C2_Init 0 */
|
||||
|
||||
/* USER CODE BEGIN I2C2_Init 1 */
|
||||
|
||||
/* USER CODE END I2C2_Init 1 */
|
||||
hi2c2.Instance = I2C2;
|
||||
#ifdef L8
|
||||
hi2c2.Init.Timing = I2C2_FAST_PLUS_1M;
|
||||
#else
|
||||
hi2c2.Init.Timing = I2C2_STANDARD_100K;
|
||||
#endif
|
||||
hi2c2.Init.OwnAddress1 = 0;
|
||||
hi2c2.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
||||
hi2c2.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
||||
hi2c2.Init.OwnAddress2 = 0;
|
||||
hi2c2.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
|
||||
hi2c2.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
|
||||
hi2c2.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
|
||||
if (HAL_I2C_Init(&hi2c2) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
/** Configure Analogue filter
|
||||
*/
|
||||
if (HAL_I2CEx_ConfigAnalogFilter(&hi2c2, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/** Configure Digital filter
|
||||
*/
|
||||
if (HAL_I2CEx_ConfigDigitalFilter(&hi2c2, 0) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
/* USER CODE BEGIN I2C2_Init 2 */
|
||||
|
||||
/* USER CODE END I2C2_Init 2 */
|
||||
|
||||
}
|
||||
|
||||
void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
|
||||
{
|
||||
|
||||
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
||||
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
|
||||
if(i2cHandle->Instance==I2C2)
|
||||
{
|
||||
/* USER CODE BEGIN I2C2_MspInit 0 */
|
||||
|
||||
/* USER CODE END I2C2_MspInit 0 */
|
||||
|
||||
/** Initializes the peripherals clocks
|
||||
*/
|
||||
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_I2C2;
|
||||
PeriphClkInitStruct.I2c2ClockSelection = RCC_I2C2CLKSOURCE_PCLK1;
|
||||
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
|
||||
|
||||
__HAL_RCC_GPIOA_CLK_ENABLE();
|
||||
/**I2C2 GPIO Configuration
|
||||
PA12 ------> I2C2_SCL
|
||||
PA11 ------> I2C2_SDA
|
||||
*/
|
||||
GPIO_InitStruct.Pin = I2C2_SCL_PIN|I2C2_SDA_PIN;
|
||||
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
|
||||
GPIO_InitStruct.Pull = GPIO_NOPULL; //GPIO_PULLUP;
|
||||
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
||||
GPIO_InitStruct.Alternate = GPIO_AF4_I2C2;
|
||||
HAL_GPIO_Init(I2C2_SCL_PORT, &GPIO_InitStruct);
|
||||
|
||||
/* I2C2 clock enable */
|
||||
__HAL_RCC_I2C2_CLK_ENABLE();
|
||||
|
||||
/* I2C2 DMA Init */
|
||||
/* I2C2_RX Init */
|
||||
hdma_i2c2_rx.Instance = DMA1_Channel4;
|
||||
hdma_i2c2_rx.Init.Request = DMA_REQUEST_I2C2_RX;
|
||||
hdma_i2c2_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
||||
hdma_i2c2_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
hdma_i2c2_rx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
hdma_i2c2_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
hdma_i2c2_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
hdma_i2c2_rx.Init.Mode = DMA_NORMAL;
|
||||
hdma_i2c2_rx.Init.Priority = DMA_PRIORITY_LOW;
|
||||
if (HAL_DMA_Init(&hdma_i2c2_rx) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
#ifdef STM32WL55xx
|
||||
if (HAL_DMA_ConfigChannelAttributes(&hdma_i2c2_rx, DMA_CHANNEL_NPRIV) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
#endif
|
||||
__HAL_LINKDMA(i2cHandle,hdmarx,hdma_i2c2_rx);
|
||||
|
||||
/* I2C2_TX Init */
|
||||
hdma_i2c2_tx.Instance = DMA1_Channel5;
|
||||
hdma_i2c2_tx.Init.Request = DMA_REQUEST_I2C2_TX;
|
||||
hdma_i2c2_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
||||
hdma_i2c2_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
hdma_i2c2_tx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
hdma_i2c2_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
hdma_i2c2_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
hdma_i2c2_tx.Init.Mode = DMA_NORMAL;
|
||||
hdma_i2c2_tx.Init.Priority = DMA_PRIORITY_LOW;
|
||||
if (HAL_DMA_Init(&hdma_i2c2_tx) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
#ifdef STM32WL55xx
|
||||
if (HAL_DMA_ConfigChannelAttributes(&hdma_i2c2_tx, DMA_CHANNEL_NPRIV) != HAL_OK)
|
||||
{
|
||||
Error_Handler();
|
||||
}
|
||||
#endif
|
||||
__HAL_LINKDMA(i2cHandle,hdmatx,hdma_i2c2_tx);
|
||||
|
||||
/* USER CODE BEGIN I2C2_MspInit 1 */
|
||||
|
||||
/* USER CODE END I2C2_MspInit 1 */
|
||||
}
|
||||
}
|
||||
|
||||
void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
|
||||
{
|
||||
|
||||
if(i2cHandle->Instance==I2C2)
|
||||
{
|
||||
/* USER CODE BEGIN I2C2_MspDeInit 0 */
|
||||
|
||||
/* USER CODE END I2C2_MspDeInit 0 */
|
||||
/* Peripheral clock disable */
|
||||
__HAL_RCC_I2C2_CLK_DISABLE();
|
||||
|
||||
/**I2C2 GPIO Configuration
|
||||
PA12 ------> I2C2_SCL
|
||||
PA11 ------> I2C2_SDA
|
||||
*/
|
||||
HAL_GPIO_DeInit(I2C2_SCL_PORT, I2C2_SCL_PIN);
|
||||
|
||||
HAL_GPIO_DeInit(I2C2_SCL_PORT, I2C2_SDA_PIN);
|
||||
|
||||
/* I2C2 DMA DeInit */
|
||||
HAL_DMA_DeInit(i2cHandle->hdmarx);
|
||||
HAL_DMA_DeInit(i2cHandle->hdmatx);
|
||||
|
||||
/* USER CODE BEGIN I2C2_MspDeInit 1 */
|
||||
|
||||
/* USER CODE END I2C2_MspDeInit 1 */
|
||||
}
|
||||
}
|
||||
|
||||
/* USER CODE BEGIN 1 */
|
||||
|
||||
/* USER CODE END 1 */
|
||||
|
||||
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
||||
Loading…
Reference in New Issue