TuxMonkey/bf_original_balance_chassis
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增加了大量注释

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NeoZng
2023-01-01 17:32:22 +08:00
parent c2f8b5c8c3
commit c05513587c
56 changed files with 773 additions and 598 deletions
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77
bsp/iic/bsp_iic.c
View File

@@ -5,37 +5,11 @@
static uint8_t idx = 0; // 配合中断以及初始化
static IICInstance *iic_instance[IIC_DEVICE_CNT] = {NULL};
/**
* @brief 接收完成回调函数
*
* @param hi2c handle
*/
void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c)
{
// 如果是当前i2c硬件发出的complete,且dev_address和之前发起接收的地址相同,同时回到函数不为空, 则调用回调函数
for (uint8_t i = 0; i < idx; i++)
{
if (iic_instance[i]->handle == hi2c && hi2c->Devaddress == iic_instance[i]->dev_address)
{
if (iic_instance[i]->callback != NULL)
iic_instance[i]->callback(iic_instance[i]);
return;
}
}
}
/**
* @brief 仅做形式上的封装,仍然使用HAL_I2C_MasterRxCpltCallback
*
* @param hi2c handle
*/
void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c)
{
HAL_I2C_MasterRxCpltCallback(hi2c);
}
IICInstance *IICRegister(IIC_Init_Config_s *conf)
{
if (idx >= MX_IIC_SLAVE_CNT) // 超过最大实例数
while (1) // 酌情增加允许的实例上限,也有可能是内存泄漏
;
// 申请到的空间未必是0, 所以需要手动初始化
IICInstance *instance = (IICInstance *)malloc(sizeof(IICInstance));
instance = (IICInstance *)malloc(sizeof(IICInstance));
@@ -53,9 +27,9 @@ IICInstance *IICRegister(IIC_Init_Config_s *conf)
void IICSetMode(IICInstance *iic, IIC_Work_Mode_e mode)
{ // HAL自带重入保护,不需要手动终止或等待传输完成
if (iic->work_mode != mode) // 如果不同才需要修改
if (iic->work_mode != mode)
{
iic->work_mode = mode;
iic->work_mode = mode; // 如果不同才需要修改
}
}
@@ -65,13 +39,14 @@ void IICTransmit(IICInstance *iic, uint8_t *data, uint16_t size, IIC_Seq_Mode_e
while (1)
; // 未知传输模式, 程序停止
// 根据不同的工作模式进行不同的传输
switch (iic->work_mode)
{
case IIC_BLOCK_MODE:
if (seq_mode != IIC_RELEASE)
while (1)
; // 阻塞模式下不支持HOLD ON模式!!!
HAL_I2C_Master_Transmit(iic->handle, iic->dev_address, data, size, 100);
; // 阻塞模式下不支持HOLD ON模式!!!只能传输完成后立刻释放总线
HAL_I2C_Master_Transmit(iic->handle, iic->dev_address, data, size, 100); // 默认超时时间100ms
break;
case IIC_IT_MODE:
if (seq_mode == IIC_RELEASE)
@@ -88,7 +63,6 @@ void IICTransmit(IICInstance *iic, uint8_t *data, uint16_t size, IIC_Seq_Mode_e
default:
while (1)
; // 未知传输模式, 程序停止
break;
}
}
@@ -108,7 +82,7 @@ void IICReceive(IICInstance *iic, uint8_t *data, uint16_t size, IIC_Seq_Mode_e s
if (seq_mode != IIC_RELEASE)
while (1)
; // 阻塞模式下不支持HOLD ON模式!!!
HAL_I2C_Master_Receive(iic->handle, iic->dev_address, data, size, 100);
HAL_I2C_Master_Receive(iic->handle, iic->dev_address, data, size, 100); // 默认超时时间100ms
break;
case IIC_IT_MODE:
if (seq_mode == IIC_RELEASE)
@@ -133,11 +107,11 @@ void IICAcessMem(IICInstance *iic, uint8_t mem_addr, uint8_t *data, uint16_t siz
{
if (mem_mode == IIC_WRITE_MEM)
{
HAL_I2C_Mem_Write(iic->handle, iic->dev_address, mem_addr, I2C_MEMADD_SIZE_8BIT, data, size, 1000);
HAL_I2C_Mem_Write(iic->handle, iic->dev_address, mem_addr, I2C_MEMADD_SIZE_8BIT, data, size, 100);
}
else if (mem_mode == IIC_READ_MEM)
{
HAL_I2C_Mem_Read(iic->handle, iic->dev_address, mem_addr, I2C_MEMADD_SIZE_8BIT, data, size, 1000);
HAL_I2C_Mem_Read(iic->handle, iic->dev_address, mem_addr, I2C_MEMADD_SIZE_8BIT, data, size, 100);
}
else
{
@@ -145,3 +119,32 @@ void IICAcessMem(IICInstance *iic, uint8_t mem_addr, uint8_t *data, uint16_t siz
; // 未知模式, 程序停止
}
}
/**
* @brief IIC接收完成回调函数
*
* @param hi2c handle
*/
void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c)
{
// 如果是当前i2c硬件发出的complete,且dev_address和之前发起接收的地址相同,同时回到函数不为空, 则调用回调函数
for (uint8_t i = 0; i < idx; i++)
{
if (iic_instance[i]->handle == hi2c && hi2c->Devaddress == iic_instance[i]->dev_address)
{
if (iic_instance[i]->callback != NULL) // 回调函数不为空
iic_instance[i]->callback(iic_instance[i]);
return;
}
}
}
/**
* @brief 仅做形式上的封装,仍然使用HAL_I2C_MasterRxCpltCallback
*
* @param hi2c handle
*/
void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c)
{
HAL_I2C_MasterRxCpltCallback(hi2c);
}

7
bsp/iic/bsp_iic.md
View File

@@ -0,0 +1,7 @@
# bsp iic
关于I2C的序列传输,Restart condition和总线仲裁,请看:
https://blog.csdn.net/NeoZng/article/details/128496694
https://blog.csdn.net/NeoZng/article/details/128486366