|
@@ -11,18 +11,15 @@
|
|
#include <rtthread.h>
|
|
#include <rtthread.h>
|
|
#include <rthw.h>
|
|
#include <rthw.h>
|
|
#include <board.h>
|
|
#include <board.h>
|
|
-#include <rtconfig.h>
|
|
|
|
#include "drv_hard_i2c.h"
|
|
#include "drv_hard_i2c.h"
|
|
#include "drv_config.h"
|
|
#include "drv_config.h"
|
|
-#include "i2c_hard_config.h"
|
|
|
|
#include <string.h>
|
|
#include <string.h>
|
|
|
|
|
|
-#ifdef (RT_USING_I2C && BSP_USING_I2C)
|
|
|
|
/* not fully support for I2C4 */
|
|
/* not fully support for I2C4 */
|
|
#if defined(BSP_USING_HARD_I2C1) || defined(BSP_USING_HARD_I2C2) || defined(BSP_USING_HARD_I2C3)
|
|
#if defined(BSP_USING_HARD_I2C1) || defined(BSP_USING_HARD_I2C2) || defined(BSP_USING_HARD_I2C3)
|
|
|
|
|
|
//#define DRV_DEBUG
|
|
//#define DRV_DEBUG
|
|
-#define LOG_TAG "drv.i2c"
|
|
|
|
|
|
+#define LOG_TAG "drv.i2c.hw"
|
|
#include <drv_log.h>
|
|
#include <drv_log.h>
|
|
|
|
|
|
enum
|
|
enum
|
|
@@ -36,11 +33,10 @@ enum
|
|
#ifdef BSP_USING_HARD_I2C3
|
|
#ifdef BSP_USING_HARD_I2C3
|
|
I2C3_INDEX,
|
|
I2C3_INDEX,
|
|
#endif /* BSP_USING_HARD_I2C3 */
|
|
#endif /* BSP_USING_HARD_I2C3 */
|
|
-
|
|
|
|
};
|
|
};
|
|
|
|
|
|
static struct stm32_i2c_config i2c_config[] =
|
|
static struct stm32_i2c_config i2c_config[] =
|
|
- {
|
|
|
|
|
|
+{
|
|
#ifdef BSP_USING_HARD_I2C1
|
|
#ifdef BSP_USING_HARD_I2C1
|
|
I2C1_BUS_CONFIG,
|
|
I2C1_BUS_CONFIG,
|
|
#endif /* BSP_USING_HARD_I2C1 */
|
|
#endif /* BSP_USING_HARD_I2C1 */
|
|
@@ -50,7 +46,6 @@ static struct stm32_i2c_config i2c_config[] =
|
|
#ifdef BSP_USING_HARD_I2C3
|
|
#ifdef BSP_USING_HARD_I2C3
|
|
I2C3_BUS_CONFIG,
|
|
I2C3_BUS_CONFIG,
|
|
#endif /* BSP_USING_HARD_I2C3 */
|
|
#endif /* BSP_USING_HARD_I2C3 */
|
|
-
|
|
|
|
};
|
|
};
|
|
|
|
|
|
static struct stm32_i2c i2c_objs[sizeof(i2c_config) / sizeof(i2c_config[0])] = {0};
|
|
static struct stm32_i2c i2c_objs[sizeof(i2c_config) / sizeof(i2c_config[0])] = {0};
|
|
@@ -136,7 +131,7 @@ static rt_err_t stm32_i2c_configure(struct rt_i2c_bus_device *bus)
|
|
}
|
|
}
|
|
/**
|
|
/**
|
|
* @brief Hardware I2C driver transfer
|
|
* @brief Hardware I2C driver transfer
|
|
- *
|
|
|
|
|
|
+ *
|
|
* @param bus Device bus
|
|
* @param bus Device bus
|
|
* @param msgs Data to be transferred
|
|
* @param msgs Data to be transferred
|
|
* @param num Number of data
|
|
* @param num Number of data
|
|
@@ -157,6 +152,7 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
uint32_t mode = 0;
|
|
uint32_t mode = 0;
|
|
uint8_t next_flag = 0;
|
|
uint8_t next_flag = 0;
|
|
struct rt_completion *completion;
|
|
struct rt_completion *completion;
|
|
|
|
+ rt_uint32_t timeout;
|
|
if (num == 0)
|
|
if (num == 0)
|
|
{
|
|
{
|
|
return 0;
|
|
return 0;
|
|
@@ -165,17 +161,16 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
i2c_obj = rt_container_of(bus, struct stm32_i2c, i2c_bus);
|
|
i2c_obj = rt_container_of(bus, struct stm32_i2c, i2c_bus);
|
|
completion = &i2c_obj->completion;
|
|
completion = &i2c_obj->completion;
|
|
I2C_HandleTypeDef *handle = &i2c_obj->handle;
|
|
I2C_HandleTypeDef *handle = &i2c_obj->handle;
|
|
- rt_uint32_t timeout;
|
|
|
|
|
|
+
|
|
LOG_D("xfer start %d mags", num);
|
|
LOG_D("xfer start %d mags", num);
|
|
for (i = 0; i < (num - 1); i++)
|
|
for (i = 0; i < (num - 1); i++)
|
|
{
|
|
{
|
|
mode = 0;
|
|
mode = 0;
|
|
-
|
|
|
|
msg = &msgs[i];
|
|
msg = &msgs[i];
|
|
LOG_D("xfer msgs[%d] addr=0x%2x buf=0x%x len= 0x%x flags= 0x%x", i, msg->addr, msg->buf, msg->len, msg->flags);
|
|
LOG_D("xfer msgs[%d] addr=0x%2x buf=0x%x len= 0x%x flags= 0x%x", i, msg->addr, msg->buf, msg->len, msg->flags);
|
|
next_msg = &msgs[i + 1];
|
|
next_msg = &msgs[i + 1];
|
|
next_flag = next_msg->flags;
|
|
next_flag = next_msg->flags;
|
|
- timeout = msg->len/TRANS_TIMEOUT_PERSEC+1;
|
|
|
|
|
|
+ timeout = msg->len/TRANS_TIMEOUT_PERSEC + 1;
|
|
if (next_flag & RT_I2C_NO_START)
|
|
if (next_flag & RT_I2C_NO_START)
|
|
{
|
|
{
|
|
if ((next_flag & RT_I2C_RD) == (msg->flags & RT_I2C_RD))
|
|
if ((next_flag & RT_I2C_RD) == (msg->flags & RT_I2C_RD))
|
|
@@ -215,7 +210,7 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
{
|
|
{
|
|
LOG_D("receive time out");
|
|
LOG_D("receive time out");
|
|
- goto out;
|
|
|
|
|
|
+ goto out;
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
@@ -240,7 +235,7 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
{
|
|
{
|
|
LOG_D("transmit time out");
|
|
LOG_D("transmit time out");
|
|
- goto out;
|
|
|
|
|
|
+ goto out;
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
@@ -248,7 +243,7 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
}
|
|
}
|
|
/* last msg */
|
|
/* last msg */
|
|
msg = &msgs[i];
|
|
msg = &msgs[i];
|
|
- timeout = msg->len/TRANS_TIMEOUT_PERSEC+1;
|
|
|
|
|
|
+ timeout = msg->len/TRANS_TIMEOUT_PERSEC+1;
|
|
if (msg->flags & RT_I2C_NO_STOP)
|
|
if (msg->flags & RT_I2C_NO_STOP)
|
|
mode = I2C_LAST_FRAME_NO_STOP;
|
|
mode = I2C_LAST_FRAME_NO_STOP;
|
|
else
|
|
else
|
|
@@ -275,8 +270,7 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
{
|
|
{
|
|
LOG_D("receive time out");
|
|
LOG_D("receive time out");
|
|
- goto out;
|
|
|
|
-
|
|
|
|
|
|
+ goto out;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
else
|
|
@@ -300,34 +294,35 @@ static rt_ssize_t stm32_i2c_master_xfer(struct rt_i2c_bus_device *bus,
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
if (rt_completion_wait(completion, timeout) != RT_EOK)
|
|
{
|
|
{
|
|
LOG_D("transmit time out");
|
|
LOG_D("transmit time out");
|
|
- goto out;
|
|
|
|
|
|
+ goto out;
|
|
|
|
|
|
}
|
|
}
|
|
}
|
|
}
|
|
ret = num;
|
|
ret = num;
|
|
LOG_D("xfer end %d mags\r\n", num);
|
|
LOG_D("xfer end %d mags\r\n", num);
|
|
return ret;
|
|
return ret;
|
|
-out:
|
|
|
|
|
|
|
|
|
|
+out:
|
|
if (handle->ErrorCode == HAL_I2C_ERROR_AF)
|
|
if (handle->ErrorCode == HAL_I2C_ERROR_AF)
|
|
{
|
|
{
|
|
LOG_D("I2C NACK Error now stoped");
|
|
LOG_D("I2C NACK Error now stoped");
|
|
/* Send stop signal to prevent bus lock-up */
|
|
/* Send stop signal to prevent bus lock-up */
|
|
- handle->Instance->CR1 |= I2C_IT_STOPI;
|
|
|
|
|
|
+ handle->Instance->CR1 |= I2C_IT_STOPI;
|
|
}
|
|
}
|
|
if (handle->ErrorCode == HAL_I2C_ERROR_BERR)
|
|
if (handle->ErrorCode == HAL_I2C_ERROR_BERR)
|
|
{
|
|
{
|
|
LOG_D("I2C BUS Error now stoped");
|
|
LOG_D("I2C BUS Error now stoped");
|
|
- handle->Instance->CR1 |= I2C_IT_STOPI;
|
|
|
|
- ret=i-1;
|
|
|
|
|
|
+ handle->Instance->CR1 |= I2C_IT_STOPI;
|
|
|
|
+ ret=i-1;
|
|
return ret;
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
|
|
static const struct rt_i2c_bus_device_ops stm32_i2c_ops =
|
|
static const struct rt_i2c_bus_device_ops stm32_i2c_ops =
|
|
- {
|
|
|
|
- .master_xfer = stm32_i2c_master_xfer,
|
|
|
|
- RT_NULL,
|
|
|
|
- RT_NULL};
|
|
|
|
|
|
+{
|
|
|
|
+ .master_xfer = stm32_i2c_master_xfer,
|
|
|
|
+ RT_NULL,
|
|
|
|
+ RT_NULL
|
|
|
|
+};
|
|
|
|
|
|
int RT_hw_i2c_bus_init(void)
|
|
int RT_hw_i2c_bus_init(void)
|
|
{
|
|
{
|
|
@@ -468,12 +463,12 @@ void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c)
|
|
if (hi2c->ErrorCode == HAL_I2C_ERROR_AF)
|
|
if (hi2c->ErrorCode == HAL_I2C_ERROR_AF)
|
|
{
|
|
{
|
|
LOG_D("I2C NACK Error now stoped");
|
|
LOG_D("I2C NACK Error now stoped");
|
|
- hi2c->Instance->CR1 |= I2C_IT_STOPI;
|
|
|
|
|
|
+ hi2c->Instance->CR1 |= I2C_IT_STOPI;
|
|
}
|
|
}
|
|
if (hi2c->ErrorCode == HAL_I2C_ERROR_BERR)
|
|
if (hi2c->ErrorCode == HAL_I2C_ERROR_BERR)
|
|
{
|
|
{
|
|
LOG_D("I2C BUS Error now stoped");
|
|
LOG_D("I2C BUS Error now stoped");
|
|
- hi2c->Instance->CR1 |= I2C_IT_STOPI;
|
|
|
|
|
|
+ hi2c->Instance->CR1 |= I2C_IT_STOPI;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#ifdef BSP_USING_HARD_I2C1
|
|
#ifdef BSP_USING_HARD_I2C1
|
|
@@ -594,7 +589,8 @@ void I2C1_DMA_RX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_HARD_I2C1 && BSP_I2C1_RX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C1) && defined(BSP_I2C1_RX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_HARD_I2C1) && defined(BSP_I2C1_TX_USING_DMA)
|
|
#if defined(BSP_USING_HARD_I2C1) && defined(BSP_I2C1_TX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -611,7 +607,8 @@ void I2C1_DMA_TX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_HARD_I2C1 && BSP_I2C1_TX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C1) && defined(BSP_I2C1_TX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_HARD_I2C2) && defined(BSP_I2C2_RX_USING_DMA)
|
|
#if defined(BSP_USING_HARD_I2C2) && defined(BSP_I2C2_RX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -628,7 +625,8 @@ void I2C2_DMA_RX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_HARD_I2C2 && BSP_I2C2_RX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C2) && defined(BSP_I2C2_RX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_HARD_I2C2) && defined(BSP_I2C2_TX_USING_DMA)
|
|
#if defined(BSP_USING_HARD_I2C2) && defined(BSP_I2C2_TX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -645,7 +643,8 @@ void I2C2_DMA_TX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_HARD_I2C2 && BSP_I2C2_TX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C2) && defined(BSP_I2C2_TX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_RX_USING_DMA)
|
|
#if defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_RX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -662,7 +661,8 @@ void I2C3_DMA_RX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_HARD_I2C3 && BSP_I2C3_RX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_RX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_TX_USING_DMA)
|
|
#if defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_TX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -679,7 +679,8 @@ void I2C3_DMA_TX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_HARD_I2C3 && BSP_I2C3_TX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C3) && defined(BSP_I2C3_TX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_I2C4) && defined(BSP_I2C4_RX_USING_DMA)
|
|
#if defined(BSP_USING_I2C4) && defined(BSP_I2C4_RX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -696,7 +697,8 @@ void I2C4_DMA_RX_IRQHandler(void)
|
|
/* leave interrupt */
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
rt_interrupt_leave();
|
|
}
|
|
}
|
|
-#endif /* BSP_USING_I2C4 && BSP_I2C4_RX_USING_DMA */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_I2C4) && defined(BSP_I2C4_RX_USING_DMA) */
|
|
|
|
+
|
|
#if defined(BSP_USING_I2C4) && defined(BSP_I2C4_TX_USING_DMA)
|
|
#if defined(BSP_USING_I2C4) && defined(BSP_I2C4_TX_USING_DMA)
|
|
/**
|
|
/**
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
* @brief This function handles DMA Rx interrupt request.
|
|
@@ -722,5 +724,4 @@ int rt_hw_hw_i2c_init(void)
|
|
}
|
|
}
|
|
INIT_CORE_EXPORT(rt_hw_hw_i2c_init);
|
|
INIT_CORE_EXPORT(rt_hw_hw_i2c_init);
|
|
|
|
|
|
-#endif
|
|
|
|
-#endif /* RT_USING_I2C */
|
|
|
|
|
|
+#endif /* defined(BSP_USING_HARD_I2C1) || defined(BSP_USING_HARD_I2C2) || defined(BSP_USING_HARD_I2C3) */
|