mirror of
https://github.com/RT-Thread/rt-thread.git
synced 2025-01-19 16:13:33 +08:00
[bsp][stm32] hardware i2c driver add support for STM32F1 series
This commit is contained in:
parent
74b2d3d3e1
commit
02a114985a
@ -19,6 +19,13 @@ extern "C" {
|
||||
#endif
|
||||
|
||||
/* DMA1 channel1 */
|
||||
#if defined(BSP_ADC1_USING_DMA) && !defined(ADC1_DMA_INSTANCE)
|
||||
#define ADC1_DMA_IRQHandler DMA1_Channel1_IRQHandler
|
||||
#define ADC1_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define ADC1_DMA_INSTANCE DMA1_Channel1
|
||||
#define ADC1_DMA_IRQ DMA1_Channel1_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA1 channel2 */
|
||||
#if defined(BSP_SPI1_RX_USING_DMA) && !defined(SPI1_RX_DMA_INSTANCE)
|
||||
#define SPI1_DMA_RX_IRQHandler DMA1_Channel2_IRQHandler
|
||||
@ -56,6 +63,11 @@ extern "C" {
|
||||
#define UART1_TX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define UART1_TX_DMA_INSTANCE DMA1_Channel4
|
||||
#define UART1_TX_DMA_IRQ DMA1_Channel4_IRQn
|
||||
#elif defined(BSP_I2C2_TX_USING_DMA) && !defined(I2C2_TX_DMA_INSTANCE)
|
||||
#define I2C2_DMA_TX_IRQHandler DMA1_Channel4_IRQHandler
|
||||
#define I2C2_TX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define I2C2_TX_DMA_INSTANCE DMA1_Channel4
|
||||
#define I2C2_TX_DMA_IRQ DMA1_Channel4_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA1 channel5 */
|
||||
@ -64,12 +76,16 @@ extern "C" {
|
||||
#define SPI2_TX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define SPI2_TX_DMA_INSTANCE DMA1_Channel5
|
||||
#define SPI2_TX_DMA_IRQ DMA1_Channel5_IRQn
|
||||
|
||||
#elif defined(BSP_UART1_RX_USING_DMA) && !defined(UART1_RX_DMA_INSTANCE)
|
||||
#define UART1_DMA_RX_IRQHandler DMA1_Channel5_IRQHandler
|
||||
#define UART1_RX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define UART1_RX_DMA_INSTANCE DMA1_Channel5
|
||||
#define UART1_RX_DMA_IRQ DMA1_Channel5_IRQn
|
||||
#elif defined(BSP_I2C2_RX_USING_DMA) && !defined(I2C2_RX_DMA_INSTANCE)
|
||||
#define I2C2_DMA_RX_IRQHandler DMA1_Channel5_IRQHandler
|
||||
#define I2C2_RX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define I2C2_RX_DMA_INSTANCE DMA1_Channel5
|
||||
#define I2C2_RX_DMA_IRQ DMA1_Channel5_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA1 channel6 */
|
||||
@ -78,6 +94,11 @@ extern "C" {
|
||||
#define UART2_RX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define UART2_RX_DMA_INSTANCE DMA1_Channel6
|
||||
#define UART2_RX_DMA_IRQ DMA1_Channel6_IRQn
|
||||
#elif defined(BSP_I2C1_TX_USING_DMA) && !defined(I2C1_TX_DMA_INSTANCE)
|
||||
#define I2C1_DMA_TX_IRQHandler DMA1_Channel6_IRQHandler
|
||||
#define I2C1_TX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define I2C1_TX_DMA_INSTANCE DMA1_Channel6
|
||||
#define I2C1_TX_DMA_IRQ DMA1_Channel6_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA1 channel7 */
|
||||
@ -86,6 +107,11 @@ extern "C" {
|
||||
#define UART2_TX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define UART2_TX_DMA_INSTANCE DMA1_Channel7
|
||||
#define UART2_TX_DMA_IRQ DMA1_Channel7_IRQn
|
||||
#elif defined(BSP_I2C1_RX_USING_DMA) && !defined(I2C1_RX_DMA_INSTANCE)
|
||||
#define I2C1_DMA_RX_IRQHandler DMA1_Channel7_IRQHandler
|
||||
#define I2C1_RX_DMA_RCC RCC_AHBENR_DMA1EN
|
||||
#define I2C1_RX_DMA_INSTANCE DMA1_Channel7
|
||||
#define I2C1_RX_DMA_IRQ DMA1_Channel7_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA2 channel1 */
|
||||
@ -111,9 +137,27 @@ extern "C" {
|
||||
#define UART4_RX_DMA_INSTANCE DMA2_Channel3
|
||||
#define UART4_RX_DMA_IRQ DMA2_Channel3_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA2 channel4 */
|
||||
#if defined(BSP_SDIO_TX_USING_DMA) && !defined(SDIO_TX_DMA_INSTANCE)
|
||||
#define SDIO_DMA_TX_IRQHandler DMA2_Channel4_5_IRQHandler
|
||||
#define SDIO_TX_DMA_RCC RCC_AHBENR_DMA2EN
|
||||
#define SDIO_TX_DMA_INSTANCE DMA2_Channel4
|
||||
#define SDIO_TX_DMA_IRQ DMA2_Channel4_5_IRQn
|
||||
#elif defined(BSP_SDIO_RX_USING_DMA) && !defined(SDIO_RX_DMA_INSTANCE)
|
||||
#define SDIO_DMA_RX_IRQHandler DMA2_Channel4_5_IRQHandler
|
||||
#define SDIO_RX_DMA_RCC RCC_AHBENR_DMA2EN
|
||||
#define SDIO_RX_DMA_INSTANCE DMA2_Channel4
|
||||
#define SDIO_RX_DMA_IRQ DMA2_Channel4_5_IRQn
|
||||
#endif
|
||||
|
||||
/* DMA2 channel5 */
|
||||
#if defined(BSP_UART4_TX_USING_DMA) && !defined(UART4_TX_DMA_INSTANCE)
|
||||
#if defined(BSP_ADC3_USING_DMA) && !defined(ADC3_DMA_INSTANCE)
|
||||
#define ADC3_DMA_IRQHandler DMA2_Channel4_5_IRQHandler
|
||||
#define ADC3_DMA_RCC RCC_AHBENR_DMA2EN
|
||||
#define ADC3_DMA_INSTANCE DMA2_Channel5
|
||||
#define ADC3_DMA_IRQ DMA2_Channel4_5_IRQn
|
||||
#elif defined(BSP_UART4_TX_USING_DMA) && !defined(UART4_TX_DMA_INSTANCE)
|
||||
#define UART4_DMA_TX_IRQHandler DMA2_Channel4_5_IRQHandler
|
||||
#define UART4_TX_DMA_RCC RCC_AHBENR_DMA2EN
|
||||
#define UART4_TX_DMA_INSTANCE DMA2_Channel5
|
||||
|
@ -0,0 +1,129 @@
|
||||
/*
|
||||
* Copyright (c) 2006-2023, RT-Thread Development Team
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*
|
||||
* Change Logs:
|
||||
* Date Author Notes
|
||||
* 2024-02-06 Dyyt587 first version
|
||||
* 2024-04-23 Zeidan Add I2Cx_xx_DMA_CONFIG
|
||||
*/
|
||||
#ifndef __I2C_HARD_CONFIG_H__
|
||||
#define __I2C_HARD_CONFIG_H__
|
||||
|
||||
#include <rtthread.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#ifdef BSP_USING_HARD_I2C1
|
||||
#ifndef I2C1_BUS_CONFIG
|
||||
#define I2C1_BUS_CONFIG \
|
||||
{ \
|
||||
.Instance = I2C1, \
|
||||
.timeout=0x1000, \
|
||||
.name = "hwi2c1", \
|
||||
.evirq_type = I2C1_EV_IRQn, \
|
||||
.erirq_type = I2C1_ER_IRQn, \
|
||||
}
|
||||
#endif /* I2C1_BUS_CONFIG */
|
||||
#endif /* BSP_USING_HARD_I2C1 */
|
||||
|
||||
#ifdef BSP_I2C1_TX_USING_DMA
|
||||
#ifndef I2C1_TX_DMA_CONFIG
|
||||
#define I2C1_TX_DMA_CONFIG \
|
||||
{ \
|
||||
.dma_rcc = I2C1_TX_DMA_RCC, \
|
||||
.Instance = I2C1_TX_DMA_INSTANCE, \
|
||||
.dma_irq = I2C1_TX_DMA_IRQ, \
|
||||
}
|
||||
#endif /* I2C1_TX_DMA_CONFIG */
|
||||
#endif /* BSP_I2C1_TX_USING_DMA */
|
||||
|
||||
#ifdef BSP_I2C1_RX_USING_DMA
|
||||
#ifndef I2C1_RX_DMA_CONFIG
|
||||
#define I2C1_RX_DMA_CONFIG \
|
||||
{ \
|
||||
.dma_rcc = I2C1_RX_DMA_RCC, \
|
||||
.Instance = I2C1_RX_DMA_INSTANCE, \
|
||||
.dma_irq = I2C1_RX_DMA_IRQ, \
|
||||
}
|
||||
#endif /* I2C1_RX_DMA_CONFIG */
|
||||
#endif /* BSP_I2C1_RX_USING_DMA */
|
||||
|
||||
#ifdef BSP_USING_HARD_I2C2
|
||||
#ifndef I2C2_BUS_CONFIG
|
||||
#define I2C2_BUS_CONFIG \
|
||||
{ \
|
||||
.Instance = I2C2, \
|
||||
.timeout=0x1000, \
|
||||
.name = "hwi2c2", \
|
||||
.evirq_type = I2C2_EV_IRQn, \
|
||||
.erirq_type = I2C2_ER_IRQn, \
|
||||
}
|
||||
#endif /* I2C2_BUS_CONFIG */
|
||||
#endif /* BSP_USING_HARD_I2C2 */
|
||||
|
||||
#ifdef BSP_I2C2_TX_USING_DMA
|
||||
#ifndef I2C2_TX_DMA_CONFIG
|
||||
#define I2C2_TX_DMA_CONFIG \
|
||||
{ \
|
||||
.dma_rcc = I2C2_TX_DMA_RCC, \
|
||||
.Instance = I2C2_TX_DMA_INSTANCE, \
|
||||
.dma_irq = I2C2_TX_DMA_IRQ, \
|
||||
}
|
||||
#endif /* I2C2_TX_DMA_CONFIG */
|
||||
#endif /* BSP_I2C2_TX_USING_DMA */
|
||||
|
||||
#ifdef BSP_I2C2_RX_USING_DMA
|
||||
#ifndef I2C2_RX_DMA_CONFIG
|
||||
#define I2C2_RX_DMA_CONFIG \
|
||||
{ \
|
||||
.dma_rcc = I2C2_RX_DMA_RCC, \
|
||||
.Instance = I2C2_RX_DMA_INSTANCE, \
|
||||
.dma_irq = I2C2_RX_DMA_IRQ, \
|
||||
}
|
||||
#endif /* I2C2_RX_DMA_CONFIG */
|
||||
#endif /* BSP_I2C2_RX_USING_DMA */
|
||||
|
||||
#ifdef BSP_USING_HARD_I2C3
|
||||
#ifndef I2C3_BUS_CONFIG
|
||||
#define I2C3_BUS_CONFIG \
|
||||
{ \
|
||||
.Instance = I2C3, \
|
||||
.timeout=0x1000, \
|
||||
.name = "hwi2c3", \
|
||||
.evirq_type = I2C3_EV_IRQn, \
|
||||
.erirq_type = I2C3_ER_IRQn, \
|
||||
}
|
||||
#endif /* I2C3_BUS_CONFIG */
|
||||
#endif /* BSP_USING_HARD_I2C3 */
|
||||
|
||||
#ifdef BSP_I2C3_TX_USING_DMA
|
||||
#ifndef I2C3_TX_DMA_CONFIG
|
||||
#define I2C3_TX_DMA_CONFIG \
|
||||
{ \
|
||||
.dma_rcc = I2C3_TX_DMA_RCC, \
|
||||
.Instance = I2C3_TX_DMA_INSTANCE, \
|
||||
.dma_irq = I2C3_TX_DMA_IRQ, \
|
||||
}
|
||||
#endif /* I2C3_TX_DMA_CONFIG */
|
||||
#endif /* BSP_I2C3_TX_USING_DMA */
|
||||
|
||||
#ifdef BSP_I2C3_RX_USING_DMA
|
||||
#ifndef I2C3_RX_DMA_CONFIG
|
||||
#define I2C3_RX_DMA_CONFIG \
|
||||
{ \
|
||||
.dma_rcc = I2C3_RX_DMA_RCC, \
|
||||
.Instance = I2C3_RX_DMA_INSTANCE, \
|
||||
.dma_irq = I2C3_RX_DMA_IRQ, \
|
||||
}
|
||||
#endif /* I2C3_RX_DMA_CONFIG */
|
||||
#endif /* BSP_I2C3_RX_USING_DMA */
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /*__I2C_HARD_CONFIG_H__ */
|
@ -35,6 +35,7 @@ extern "C" {
|
||||
#include "f1/sdio_config.h"
|
||||
#include "f1/pwm_config.h"
|
||||
#include "f1/usbd_config.h"
|
||||
#include "f1/i2c_hard_config.h"
|
||||
#include "f1/pulse_encoder_config.h"
|
||||
#elif defined(SOC_SERIES_STM32F2)
|
||||
#include "f2/dma_config.h"
|
||||
|
@ -7,14 +7,10 @@
|
||||
* Date Author Notes
|
||||
* 2024-02-17 Dyyt587 first version
|
||||
* 2024-04-23 Zeidan fix bugs, test on STM32F429IGTx
|
||||
* 2024-12-10 zzk597 add support for STM32F1 series
|
||||
*/
|
||||
|
||||
#include <rtthread.h>
|
||||
#include <rthw.h>
|
||||
#include <board.h>
|
||||
#include "drv_hard_i2c.h"
|
||||
#include "drv_config.h"
|
||||
#include <string.h>
|
||||
|
||||
/* not fully support for I2C4 */
|
||||
#if defined(BSP_USING_HARD_I2C1) || defined(BSP_USING_HARD_I2C2) || defined(BSP_USING_HARD_I2C3)
|
||||
@ -51,28 +47,27 @@ static struct stm32_i2c_config i2c_config[] =
|
||||
|
||||
static struct stm32_i2c i2c_objs[sizeof(i2c_config) / sizeof(i2c_config[0])] = {0};
|
||||
|
||||
|
||||
static rt_err_t stm32_i2c_init(struct stm32_i2c *i2c_drv)
|
||||
{
|
||||
RT_ASSERT(i2c_drv != RT_NULL);
|
||||
|
||||
I2C_HandleTypeDef *i2c_handle = &i2c_drv->handle;
|
||||
rt_memset(i2c_handle, 0, sizeof(I2C_HandleTypeDef));
|
||||
struct stm32_i2c_config *cfg = i2c_drv->config;
|
||||
|
||||
rt_memset(i2c_handle, 0, sizeof(I2C_HandleTypeDef));
|
||||
|
||||
i2c_handle->Instance = cfg->Instance;
|
||||
#if defined(SOC_SERIES_STM32H7)
|
||||
i2c_handle->Init.Timing = cfg->timing;
|
||||
#endif /* defined(SOC_SERIES_STM32H7) */
|
||||
#if defined(SOC_SERIES_STM32F4)
|
||||
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32F4)
|
||||
i2c_handle->Init.ClockSpeed = 100000;
|
||||
i2c_handle->Init.DutyCycle = I2C_DUTYCYCLE_2;
|
||||
#endif /* defined(SOC_SERIES_STM32F4) */
|
||||
#endif /* defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32F4) */
|
||||
i2c_handle->Init.OwnAddress1 = 0;
|
||||
i2c_handle->Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
|
||||
#if defined(SOC_SERIES_STM32H7)
|
||||
i2c_handle->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
||||
#endif /* defined(SOC_SERIES_STM32H7) */
|
||||
i2c_handle->Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
|
||||
i2c_handle->Init.OwnAddress2 = 0;
|
||||
i2c_handle->Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
|
||||
i2c_handle->Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
|
||||
if (HAL_I2C_DeInit(i2c_handle) != HAL_OK)
|
||||
@ -120,11 +115,12 @@ static rt_err_t stm32_i2c_init(struct stm32_i2c *i2c_drv)
|
||||
HAL_NVIC_EnableIRQ(i2c_drv->config->dma_tx->dma_irq);
|
||||
}
|
||||
|
||||
if (i2c_drv->i2c_dma_flag & I2C_USING_TX_DMA_FLAG || i2c_drv->i2c_dma_flag & I2C_USING_RX_DMA_FLAG)
|
||||
{
|
||||
HAL_NVIC_SetPriority(i2c_drv->config->evirq_type, 2, 0);
|
||||
HAL_NVIC_EnableIRQ(i2c_drv->config->evirq_type);
|
||||
}
|
||||
/* In the data transfer function stm32_i2c_master_xfer(), the IT transfer function
|
||||
HAL_I2C_Master_Seq_Transmit_IT() is used when DMA is not used, so the IT interrupt
|
||||
must be enable anyway, regardless of the DMA configuration, otherwise
|
||||
the rt_completion_wait() will always timeout. */
|
||||
HAL_NVIC_SetPriority(i2c_drv->config->evirq_type, 2, 0);
|
||||
HAL_NVIC_EnableIRQ(i2c_drv->config->evirq_type);
|
||||
|
||||
return RT_EOK;
|
||||
}
|
||||
@ -160,11 +156,14 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
||||
uint8_t next_flag = 0;
|
||||
struct rt_completion *completion;
|
||||
rt_uint32_t timeout;
|
||||
|
||||
if (num == 0)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
RT_ASSERT((msgs != RT_NULL) && (bus != RT_NULL));
|
||||
|
||||
i2c_obj = rt_container_of(bus, struct stm32_i2c, i2c_bus);
|
||||
completion = &i2c_obj->completion;
|
||||
I2C_HandleTypeDef *handle = &i2c_obj->handle;
|
||||
@ -345,31 +344,6 @@ int RT_hw_i2c_bus_init(void)
|
||||
i2c_objs[i].config = &i2c_config[i];
|
||||
i2c_objs[i].i2c_bus.timeout = i2c_config[i].timeout;
|
||||
|
||||
if (i2c_objs[i].i2c_dma_flag & I2C_USING_TX_DMA_FLAG)
|
||||
{
|
||||
i2c_objs[i].dma.handle_tx.Instance = i2c_config[i].dma_tx->Instance;
|
||||
#if defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
|
||||
i2c_objs[i].dma.handle_tx.Init.Channel = i2c_config[i].dma_tx->channel;
|
||||
#elif defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32WB) || defined(SOC_SERIES_STM32H7)
|
||||
i2c_objs[i].dma.handle_tx.Init.Request = i2c_config[i].dma_tx->request;
|
||||
#endif /* defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) */
|
||||
#ifndef SOC_SERIES_STM32U5
|
||||
i2c_objs[i].dma.handle_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_tx.Init.Mode = DMA_NORMAL;
|
||||
i2c_objs[i].dma.handle_tx.Init.Priority = DMA_PRIORITY_LOW;
|
||||
#endif
|
||||
#if defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7)
|
||||
|
||||
i2c_objs[i].dma.handle_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemBurst = DMA_MBURST_INC4;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphBurst = DMA_PBURST_INC4;
|
||||
#endif /* defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7) */
|
||||
}
|
||||
if ((i2c_objs[i].i2c_dma_flag & I2C_USING_RX_DMA_FLAG))
|
||||
{
|
||||
i2c_objs[i].dma.handle_rx.Instance = i2c_config[i].dma_rx->Instance;
|
||||
@ -379,28 +353,69 @@ int RT_hw_i2c_bus_init(void)
|
||||
i2c_objs[i].dma.handle_rx.Init.Request = i2c_config[i].dma_rx->request;
|
||||
#endif /* defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) */
|
||||
#ifndef SOC_SERIES_STM32U5
|
||||
i2c_objs[i].dma.handle_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
||||
i2c_objs[i].dma.handle_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
i2c_objs[i].dma.handle_rx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
i2c_objs[i].dma.handle_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
|
||||
i2c_objs[i].dma.handle_rx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
i2c_objs[i].dma.handle_rx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
i2c_objs[i].dma.handle_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_rx.Init.Mode = DMA_NORMAL;
|
||||
i2c_objs[i].dma.handle_rx.Init.Priority = DMA_PRIORITY_LOW;
|
||||
#endif /* SOC_SERIES_STM32U5 */
|
||||
i2c_objs[i].dma.handle_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_rx.Init.Mode = DMA_NORMAL;
|
||||
i2c_objs[i].dma.handle_rx.Init.Priority = DMA_PRIORITY_LOW;
|
||||
#endif
|
||||
#if defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7)
|
||||
i2c_objs[i].dma.handle_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemBurst = DMA_MBURST_INC4;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphBurst = DMA_PBURST_INC4;
|
||||
#endif /* defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7) */
|
||||
{
|
||||
rt_uint32_t tmpreg = 0x00U;
|
||||
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0)
|
||||
/* enable DMA clock && Delay after an RCC peripheral clock enabling*/
|
||||
SET_BIT(RCC->AHBENR, i2c_config[i].dma_rx->dma_rcc);
|
||||
tmpreg = READ_BIT(RCC->AHBENR, i2c_config[i].dma_rx->dma_rcc);
|
||||
#elif defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32WB) || defined(SOC_SERIES_STM32H7)
|
||||
SET_BIT(RCC->AHB1ENR, i2c_config[i].dma_rx->dma_rcc);
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
tmpreg = READ_BIT(RCC->AHB1ENR, i2c_config[i].dma_rx->dma_rcc);
|
||||
#elif defined(SOC_SERIES_STM32MP1)
|
||||
__HAL_RCC_DMAMUX_CLK_ENABLE();
|
||||
SET_BIT(RCC->MP_AHB2ENSETR, i2c_config[i].dma_rx->dma_rcc);
|
||||
tmpreg = READ_BIT(RCC->MP_AHB2ENSETR, i2c_config[i].dma_rx->dma_rcc);
|
||||
#endif /* defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0) */
|
||||
UNUSED(tmpreg); /* To avoid compiler warnings */
|
||||
}
|
||||
}
|
||||
|
||||
if (i2c_objs[i].i2c_dma_flag & I2C_USING_TX_DMA_FLAG)
|
||||
{
|
||||
i2c_objs[i].dma.handle_tx.Instance = i2c_config[i].dma_tx->Instance;
|
||||
#if defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7)
|
||||
i2c_objs[i].dma.handle_tx.Init.Channel = i2c_config[i].dma_tx->channel;
|
||||
#elif defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32WB) || defined(SOC_SERIES_STM32H7)
|
||||
i2c_objs[i].dma.handle_tx.Init.Request = i2c_config[i].dma_tx->request;
|
||||
#endif /* defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) */
|
||||
#ifndef SOC_SERIES_STM32U5
|
||||
i2c_objs[i].dma.handle_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphInc = DMA_PINC_DISABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemInc = DMA_MINC_ENABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
|
||||
i2c_objs[i].dma.handle_tx.Init.Mode = DMA_NORMAL;
|
||||
i2c_objs[i].dma.handle_tx.Init.Priority = DMA_PRIORITY_LOW;
|
||||
#endif
|
||||
#if defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7)
|
||||
|
||||
i2c_objs[i].dma.handle_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemBurst = DMA_MBURST_INC4;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphBurst = DMA_PBURST_INC4;
|
||||
}
|
||||
i2c_objs[i].dma.handle_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
|
||||
i2c_objs[i].dma.handle_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
|
||||
i2c_objs[i].dma.handle_tx.Init.MemBurst = DMA_MBURST_INC4;
|
||||
i2c_objs[i].dma.handle_tx.Init.PeriphBurst = DMA_PBURST_INC4;
|
||||
#endif /* defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32MP1) || defined(SOC_SERIES_STM32H7) */
|
||||
{
|
||||
rt_uint32_t tmpreg = 0x00U;
|
||||
{
|
||||
rt_uint32_t tmpreg = 0x00U;
|
||||
#if defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0)
|
||||
/* enable DMA clock && Delay after an RCC peripheral clock enabling*/
|
||||
SET_BIT(RCC->AHBENR, i2c_config[i].dma_tx->dma_rcc);
|
||||
tmpreg = READ_BIT(RCC->AHBENR, i2c_config[i].dma_tx->dma_rcc);
|
||||
/* enable DMA clock && Delay after an RCC peripheral clock enabling*/
|
||||
SET_BIT(RCC->AHBENR, i2c_config[i].dma_tx->dma_rcc);
|
||||
tmpreg = READ_BIT(RCC->AHBENR, i2c_config[i].dma_tx->dma_rcc);
|
||||
#elif defined(SOC_SERIES_STM32F2) || defined(SOC_SERIES_STM32F4) || defined(SOC_SERIES_STM32F7) || defined(SOC_SERIES_STM32L4) || defined(SOC_SERIES_STM32WB) || defined(SOC_SERIES_STM32H7)
|
||||
SET_BIT(RCC->AHB1ENR, i2c_config[i].dma_tx->dma_rcc);
|
||||
/* Delay after an RCC peripheral clock enabling */
|
||||
@ -410,8 +425,10 @@ int RT_hw_i2c_bus_init(void)
|
||||
SET_BIT(RCC->MP_AHB2ENSETR, i2c_config[i].dma_tx->dma_rcc);
|
||||
tmpreg = READ_BIT(RCC->MP_AHB2ENSETR, i2c_config[i].dma_tx->dma_rcc);
|
||||
#endif /* defined(SOC_SERIES_STM32F1) || defined(SOC_SERIES_STM32G0) || defined(SOC_SERIES_STM32F0) */
|
||||
UNUSED(tmpreg); /* To avoid compiler warnings */
|
||||
UNUSED(tmpreg); /* To avoid compiler warnings */
|
||||
}
|
||||
}
|
||||
|
||||
rt_completion_init(&i2c_objs[i].completion);
|
||||
stm32_i2c_configure(&i2c_objs[i].i2c_bus);
|
||||
ret = rt_i2c_bus_device_register(&i2c_objs[i].i2c_bus, i2c_objs[i].config->name);
|
||||
@ -694,47 +711,11 @@ void I2C3_DMA_TX_IRQHandler(void)
|
||||
}
|
||||
#endif /* defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_TX_USING_DMA) */
|
||||
|
||||
#if defined(BSP_USING_I2C4) && defined(BSP_I2C4_RX_USING_DMA)
|
||||
/**
|
||||
* @brief This function handles DMA Rx interrupt request.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void I2C4_DMA_RX_IRQHandler(void)
|
||||
{
|
||||
/* enter interrupt */
|
||||
rt_interrupt_enter();
|
||||
|
||||
HAL_DMA_IRQHandler(&i2c_objs[I2C4_INDEX].dma.handle_rx);
|
||||
|
||||
/* leave interrupt */
|
||||
rt_interrupt_leave();
|
||||
}
|
||||
#endif /* defined(BSP_USING_I2C4) && defined(BSP_I2C4_RX_USING_DMA) */
|
||||
|
||||
#if defined(BSP_USING_I2C4) && defined(BSP_I2C4_TX_USING_DMA)
|
||||
/**
|
||||
* @brief This function handles DMA Rx interrupt request.
|
||||
* @param None
|
||||
* @retval None
|
||||
*/
|
||||
void I2C4_DMA_TX_IRQHandler(void)
|
||||
{
|
||||
/* enter interrupt */
|
||||
rt_interrupt_enter();
|
||||
|
||||
HAL_DMA_IRQHandler(&i2c_objs[I2C4_INDEX].dma.handle_tx);
|
||||
|
||||
/* leave interrupt */
|
||||
rt_interrupt_leave();
|
||||
}
|
||||
#endif /* defined(BSP_USING_I2C4) && defined(BSP_I2C4_TX_USING_DMA) */
|
||||
|
||||
int rt_hw_hw_i2c_init(void)
|
||||
{
|
||||
stm32_get_dma_info();
|
||||
return RT_hw_i2c_bus_init();
|
||||
}
|
||||
INIT_CORE_EXPORT(rt_hw_hw_i2c_init);
|
||||
INIT_BOARD_EXPORT(rt_hw_hw_i2c_init);
|
||||
|
||||
#endif /* defined(BSP_USING_HARD_I2C1) || defined(BSP_USING_HARD_I2C2) || defined(BSP_USING_HARD_I2C3) */
|
||||
|
@ -11,14 +11,10 @@
|
||||
#ifndef __DRV_HARD_I2C_H__
|
||||
#define __DRV_HARD_I2C_H__
|
||||
|
||||
#include "drv_config.h"
|
||||
#include <rtthread.h>
|
||||
#include "rtdevice.h"
|
||||
#include <rthw.h>
|
||||
#include <drv_common.h>
|
||||
#include "drv_dma.h"
|
||||
#include "drv_config.h"
|
||||
#include <ipc/completion.h>
|
||||
#if defined(RT_USING_I2C) && defined(BSP_USING_I2C)
|
||||
|
||||
/* C binding of definitions if building with C++ compiler */
|
||||
#ifdef __cplusplus
|
||||
@ -28,29 +24,28 @@ extern "C"
|
||||
|
||||
struct stm32_i2c_config
|
||||
{
|
||||
const char *name;
|
||||
I2C_TypeDef *Instance;
|
||||
rt_uint32_t timing;
|
||||
rt_uint32_t timeout;
|
||||
IRQn_Type evirq_type;
|
||||
IRQn_Type erirq_type;
|
||||
|
||||
struct dma_config *dma_rx, *dma_tx;
|
||||
const char *name;
|
||||
I2C_TypeDef *Instance;
|
||||
rt_uint32_t timing;
|
||||
rt_uint32_t timeout;
|
||||
IRQn_Type evirq_type;
|
||||
IRQn_Type erirq_type;
|
||||
struct dma_config *dma_rx;
|
||||
struct dma_config *dma_tx;
|
||||
};
|
||||
|
||||
struct stm32_i2c
|
||||
{
|
||||
I2C_HandleTypeDef handle;
|
||||
I2C_HandleTypeDef handle;
|
||||
struct stm32_i2c_config *config;
|
||||
struct
|
||||
{
|
||||
DMA_HandleTypeDef handle_rx;
|
||||
DMA_HandleTypeDef handle_tx;
|
||||
DMA_HandleTypeDef handle_rx;
|
||||
DMA_HandleTypeDef handle_tx;
|
||||
} dma;
|
||||
struct stm32_i2c_config *config;
|
||||
struct rt_i2c_bus_device i2c_bus;
|
||||
rt_uint8_t i2c_dma_flag;
|
||||
struct rt_completion completion;
|
||||
|
||||
rt_uint8_t i2c_dma_flag;
|
||||
struct rt_i2c_bus_device i2c_bus;
|
||||
struct rt_completion completion;
|
||||
};
|
||||
|
||||
#define I2C_USING_TX_DMA_FLAG (1U)
|
||||
@ -60,6 +55,4 @@ struct stm32_i2c
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* BSP_USING_I2C */
|
||||
|
||||
#endif /* __DRV_I2C_H__ */
|
||||
|
Loading…
x
Reference in New Issue
Block a user