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stm32_nfc_lite/src/custom_bus.c
风不出来 918e185b6d 000
2024-10-12 16:06:36 +08:00

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/**
******************************************************************************
* @file : custom_bus.c
* @brief : source file for the BSP BUS IO driver
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2020 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "custom_bus.h"
__weak HAL_StatusTypeDef MX_I2C1_Init(I2C_HandleTypeDef *hi2c);
#if defined (STM32L031xx)
#define I2C1_AF_NUM GPIO_AF1_I2C1
#endif
// #if defined (STM32G070xx)
// #define I2C1_AF_NUM GPIO_AF6_I2C1
// #endif
// #if defined (STM32G030xx)
// #define I2C1_AF_NUM GPIO_AF6_I2C1
// #endif
// #if defined (STM32GB1xx)
// #define I2C1_AF_NUM GPIO_AF6_I2C1
// #endif
#if defined (STM32G0xx)
#define I2C1_AF_NUM GPIO_AF6_I2C1
#endif
/** @addtogroup BSP
* @{
*/
/** @addtogroup CUSTOM
* @{
*/
/** @defgroup CUSTOM_BUS CUSTOM BUS
* @{
*/
/** @defgroup CUSTOM_BUS_Exported_Variables BUS Exported Variables
* @{
*/
I2C_HandleTypeDef hi2c1;
/**
* @}
*/
/** @defgroup CUSTOM_BUS_Private_Variables BUS Private Variables
* @{
*/
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1U)
static uint32_t IsI2C1MspCbValid = 0;
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
static uint32_t I2C1InitCounter = 0;
/**
* @}
*/
/** @defgroup CUSTOM_BUS_Private_FunctionPrototypes BUS Private Function
* @{
*/
static void I2C1_MspInit(I2C_HandleTypeDef *hI2c);
static void I2C1_MspDeInit(I2C_HandleTypeDef *hI2c);
#if (USE_CUBEMX_BSP_V2 == 1)
static uint32_t I2C_GetTiming(uint32_t clock_src_hz, uint32_t i2cfreq_hz);
static void Compute_PRESC_SCLDEL_SDADEL(uint32_t clock_src_freq, uint32_t I2C_Speed);
static uint32_t Compute_SCLL_SCLH(uint32_t clock_src_freq, uint32_t I2C_speed);
#endif
/**
* @}
*/
/** @defgroup CUSTOM_LOW_LEVEL_Private_Functions CUSTOM LOW LEVEL Private Functions
* @{
*/
/** @defgroup CUSTOM_BUS_Exported_Functions CUSTOM_BUS Exported Functions
* @{
*/
/* BUS IO driver over I2C Peripheral */
/*******************************************************************************
BUS OPERATIONS OVER I2C
*******************************************************************************/
/**
* @brief Initialize I2C HAL
* @retval BSP status
*/
int32_t BSP_I2C1_Init(void)
{
int32_t ret = BSP_ERROR_NONE;
hi2c1.Instance = I2C1;
if (I2C1InitCounter++ == 0)
{
if (HAL_I2C_GetState(&hi2c1) == HAL_I2C_STATE_RESET)
{
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 0U)
/* Init the I2C Msp */
I2C1_MspInit(&hi2c1);
#else
if (IsI2C1MspCbValid == 0U)
{
if (BSP_I2C1_RegisterDefaultMspCallbacks() != BSP_ERROR_NONE)
{
return BSP_ERROR_MSP_FAILURE;
}
}
#endif
if (ret == BSP_ERROR_NONE)
{
/* Init the I2C */
if (MX_I2C1_Init(&hi2c1) != HAL_OK)
{
ret = BSP_ERROR_BUS_FAILURE;
}
else if (HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
{
ret = BSP_ERROR_BUS_FAILURE;
}
else
{
ret = BSP_ERROR_NONE;
}
}
}
}
return ret;
}
/**
* @brief DeInitialize I2C HAL.
* @retval BSP status
*/
int32_t BSP_I2C1_DeInit(void)
{
int32_t ret = BSP_ERROR_NONE;
if (I2C1InitCounter > 0)
{
if (--I2C1InitCounter == 0)
{
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 0U)
/* DeInit the I2C */
I2C1_MspDeInit(&hi2c1);
#endif
/* DeInit the I2C */
if (HAL_I2C_DeInit(&hi2c1) != HAL_OK)
{
ret = BSP_ERROR_BUS_FAILURE;
}
}
}
return ret;
}
/**
* @brief Check whether the I2C bus is ready.
* @param DevAddr : I2C device address
* @param Trials : Check trials number
* @retval BSP status
*/
int32_t BSP_I2C1_IsReady(uint16_t DevAddr, uint32_t Trials)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_IsDeviceReady(&hi2c1, DevAddr, Trials, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
ret = BSP_ERROR_BUSY;
}
return ret;
}
/**
* @brief Write a value in a register of the device through BUS.
* @param DevAddr Device address on Bus.
* @param Reg The target register address to write
* @param pData Pointer to data buffer to write
* @param Length Data Length
* @retval BSP status
*/
int32_t BSP_I2C1_WriteReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_Mem_Write(&hi2c1, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c1) == HAL_I2C_ERROR_AF)
{
ret = BSP_ERROR_BUS_ACKNOWLEDGE_FAILURE;
}
else
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Read a register of the device through BUS
* @param DevAddr Device address on Bus.
* @param Reg The target register address to read
* @param pData Pointer to data buffer to read
* @param Length Data Length
* @retval BSP status
*/
int32_t BSP_I2C1_ReadReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_Mem_Read(&hi2c1, DevAddr, Reg, I2C_MEMADD_SIZE_8BIT, pData, Length, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c1) == HAL_I2C_ERROR_AF)
{
ret = BSP_ERROR_BUS_ACKNOWLEDGE_FAILURE;
}
else
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Write a value in a register of the device through BUS.
* @param DevAddr Device address on Bus.
* @param Reg The target register address to write
* @param pData Pointer to data buffer to write
* @param Length Data Length
* @retval BSP statu
*/
int32_t BSP_I2C1_WriteReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_Mem_Write(&hi2c1, DevAddr, Reg, I2C_MEMADD_SIZE_16BIT, pData, Length, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c1) == HAL_I2C_ERROR_AF)
{
ret = BSP_ERROR_BUS_ACKNOWLEDGE_FAILURE;
}
else
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Read registers through a bus (16 bits)
* @param DevAddr: Device address on BUS
* @param Reg: The target register address to read
* @param Length Data Length
* @retval BSP status
*/
int32_t BSP_I2C1_ReadReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_Mem_Read(&hi2c1, DevAddr, Reg, I2C_MEMADD_SIZE_16BIT, pData, Length, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF)
{
ret = BSP_ERROR_BUS_ACKNOWLEDGE_FAILURE;
}
else
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Send an amount width data through bus (Simplex)
* @param DevAddr: Device address on Bus.
* @param pData: Data pointer
* @param Length: Data length
* @retval BSP status
*/
int32_t BSP_I2C1_Send(uint16_t DevAddr, uint8_t *pData, uint16_t Length)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_Master_Transmit(&hi2c1, DevAddr, pData, Length, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF)
{
ret = BSP_ERROR_BUS_ACKNOWLEDGE_FAILURE;
}
else
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
/**
* @brief Receive an amount of data through a bus (Simplex)
* @param DevAddr: Device address on Bus.
* @param pData: Data pointer
* @param Length: Data length
* @retval BSP status
*/
int32_t BSP_I2C1_Recv(uint16_t DevAddr, uint8_t *pData, uint16_t Length)
{
int32_t ret = BSP_ERROR_NONE;
if (HAL_I2C_Master_Receive(&hi2c1, DevAddr, pData, Length, BUS_I2C1_POLL_TIMEOUT) != HAL_OK)
{
if (HAL_I2C_GetError(&hi2c1) != HAL_I2C_ERROR_AF)
{
ret = BSP_ERROR_BUS_ACKNOWLEDGE_FAILURE;
}
else
{
ret = BSP_ERROR_PERIPH_FAILURE;
}
}
return ret;
}
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1U)
/**
* @brief Register Default BSP I2C1 Bus Msp Callbacks
* @retval BSP status
*/
int32_t BSP_I2C1_RegisterDefaultMspCallbacks(void)
{
__HAL_I2C_RESET_HANDLE_STATE(&hi2c1);
/* Register MspInit Callback */
if (HAL_I2C_RegisterCallback(&hi2c1, HAL_I2C_MSPINIT_CB_ID, I2C1_MspInit) != HAL_OK)
{
return BSP_ERROR_PERIPH_FAILURE;
}
/* Register MspDeInit Callback */
if (HAL_I2C_RegisterCallback(&hi2c1, HAL_I2C_MSPDEINIT_CB_ID, I2C1_MspDeInit) != HAL_OK)
{
return BSP_ERROR_PERIPH_FAILURE;
}
IsI2C1MspCbValid = 1;
return BSP_ERROR_NONE;
}
/**
* @brief BSP I2C1 Bus Msp Callback registering
* @param Callbacks pointer to I2C1 MspInit/MspDeInit callback functions
* @retval BSP status
*/
int32_t BSP_I2C1_RegisterMspCallbacks(BSP_I2C_Cb_t *Callbacks)
{
/* Prevent unused argument(s) compilation warning */
__HAL_I2C_RESET_HANDLE_STATE(&hi2c1);
/* Register MspInit Callback */
if (HAL_I2C_RegisterCallback(&hi2c1, HAL_I2C_MSPINIT_CB_ID, Callbacks->pMspInitCb) != HAL_OK)
{
return BSP_ERROR_PERIPH_FAILURE;
}
/* Register MspDeInit Callback */
if (HAL_I2C_RegisterCallback(&hi2c1, HAL_I2C_MSPDEINIT_CB_ID, Callbacks->pMspDeInitCb) != HAL_OK)
{
return BSP_ERROR_PERIPH_FAILURE;
}
IsI2C1MspCbValid = 1;
return BSP_ERROR_NONE;
}
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
/**
* @brief Return system tick in ms
* @retval Current HAL time base time stamp
*/
int32_t BSP_GetTick(void)
{
return HAL_GetTick();
}
/* I2C1 init function */
__weak HAL_StatusTypeDef MX_I2C1_Init(I2C_HandleTypeDef *hi2c)
{
HAL_StatusTypeDef ret = HAL_OK;
hi2c->Instance = I2C1;
// hi2c->Init.Timing = 0x0010061A;
hi2c1.Init.Timing = 0x00000107;
hi2c->Init.OwnAddress1 = 0;
hi2c->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c->Init.OwnAddress2 = 0;
hi2c->Init.OwnAddress2Masks = I2C_OA2_NOMASK;
hi2c->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(hi2c) != HAL_OK)
{
ret = HAL_ERROR;
}
if (HAL_I2CEx_ConfigAnalogFilter(hi2c, I2C_ANALOGFILTER_ENABLE) != HAL_OK)
{
ret = HAL_ERROR;
}
if (HAL_I2CEx_ConfigDigitalFilter(hi2c, 0) != HAL_OK)
{
ret = HAL_ERROR;
}
return ret;
}
static void I2C1_MspInit(I2C_HandleTypeDef *i2cHandle)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* USER CODE BEGIN I2C1_MspInit 0 */
/* USER CODE END I2C1_MspInit 0 */
BUS_I2C1_SCL_GPIO_CLK_ENABLE();
BUS_I2C1_SDA_GPIO_CLK_ENABLE();
GPIO_InitStruct.Pin = BUS_I2C1_SCL_GPIO_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = I2C1_AF_NUM;
HAL_GPIO_Init(BUS_I2C1_SCL_GPIO_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pin = BUS_I2C1_SDA_GPIO_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = I2C1_AF_NUM;
HAL_GPIO_Init(BUS_I2C1_SDA_GPIO_PORT, &GPIO_InitStruct);
/* Peripheral clock enable */
__HAL_RCC_I2C1_CLK_ENABLE();
/* USER CODE BEGIN I2C1_MspInit 1 */
/* USER CODE END I2C1_MspInit 1 */
}
static void I2C1_MspDeInit(I2C_HandleTypeDef *i2cHandle)
{
/* USER CODE BEGIN I2C1_MspDeInit 0 */
/* USER CODE END I2C1_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_I2C1_CLK_DISABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
*/
// HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6|GPIO_PIN_7);
HAL_GPIO_DeInit(BUS_I2C1_SDA_GPIO_PORT, BUS_I2C1_SDA_GPIO_PIN);
HAL_GPIO_DeInit(BUS_I2C1_SDA_GPIO_PORT, BUS_I2C1_SDA_GPIO_PIN);
/* USER CODE BEGIN I2C1_MspDeInit 1 */
/* USER CODE END I2C1_MspDeInit 1 */
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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