[bsp][stm32] add hardware i2c driver

This commit is contained in:
Dyyt587
2024-03-08 11:59:47 +08:00
committed by GitHub
parent 384a370c9a
commit 4e1626703f
4 changed files with 933 additions and 0 deletions

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@@ -35,6 +35,10 @@ if GetDepend('RT_USING_SPI_BITOPS'):
if GetDepend(['RT_USING_I2C', 'RT_USING_I2C_BITOPS']):
if GetDepend('BSP_USING_I2C1') or GetDepend('BSP_USING_I2C2') or GetDepend('BSP_USING_I2C3') or GetDepend('BSP_USING_I2C4'):
src += ['drv_soft_i2c.c']
if GetDepend(['RT_USING_I2C']):
if GetDepend('BSP_USING_HARD_I2C1') or GetDepend('BSP_USING_HARD_I2C2') or GetDepend('BSP_USING_HARD_I2C3') or GetDepend('BSP_USING_HARD_I2C4'):
src += ['drv_hard_i2c.c']
if GetDepend(['BSP_USING_ETH', 'RT_USING_LWIP']):
src += ['drv_eth.c']

File diff suppressed because it is too large Load Diff

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@@ -0,0 +1,66 @@
/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-02-17 Dyyt587 first version
*/
#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 <ipc/completion.h>
#ifdef (RT_USING_I2C && BSP_USING_I2C)
/* C binding of definitions if building with C++ compiler */
#ifdef __cplusplus
extern "C"
{
#endif
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;
};
struct stm32_i2c
{
I2C_HandleTypeDef handle;
struct
{
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;
};
#define I2C_USING_TX_DMA_FLAG (1U)
#define I2C_USING_RX_DMA_FLAG (1U << 1)
#ifdef __cplusplus
}
#endif
#endif /* BSP_USING_I2C */
#endif /* __DRV_I2C_H__ */

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@@ -0,0 +1,137 @@
/*
* 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
*/
#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, \
.timing=0x10707DBC, \
.timeout=0x1000, \
.name = "i2c1", \
.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, \
.request = DMA_REQUEST_I2C1_TX \
}
#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, \
.request = DMA_REQUEST_I2C1_RX \
}
#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, \
.timing=0x10707DBC, \
.timeout=0x1000, \
.name = "i2c2", \
.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, \
.request = DMA_REQUEST_I2C2_TX \
}
#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, \
.request = DMA_REQUEST_I2C2_RX \
}
#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, \
.timing=0x10707DBC, \
.timeout=0x1000, \
.name = "i2c3", \
.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, \
.request = DMA_REQUEST_I2C3_TX \
}
#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, \
.request = DMA_REQUEST_I2C3_RX \
}
#endif /* I2C3_RX_DMA_CONFIG */
#endif /* BSP_I2C3_RX_USING_DMA */
#ifdef __cplusplus
}
#endif
#endif /*__I2C_CONFIG_H__ */