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重新配置CAN之前，关闭CAN，配置完再打开。

This commit is contained in:
zhangjun1996 2019-06-15 18:08:00 +08:00
parent 2fc56f4ff4
commit 3e7580dc7d
1 changed files with 24 additions and 0 deletions
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24
bsp/stm32/libraries/HAL_Drivers/drv_can.c
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@ -806,10 +806,18 @@ static rt_err_t drv_control(struct rt_can_device *can, int cmd, void *arg)
if (argval != can->config.mode)
{
can->config.mode = argval;
if (HAL_CAN_Stop(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
if (HAL_CAN_Init(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
if (HAL_CAN_Start(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
}
break;
case RT_CAN_CMD_SET_BAUD:
@ -844,10 +852,18 @@ static rt_err_t drv_control(struct rt_can_device *can, int cmd, void *arg)
drv_init->TimeSeg2 = BAUD_DATA(BS2, baud_index);
drv_init->Prescaler = BAUD_DATA(RRESCL, baud_index);
if (HAL_CAN_Stop(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
if (HAL_CAN_Init(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
if (HAL_CAN_Start(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
}
break;
case RT_CAN_CMD_SET_PRIV:
@ -860,10 +876,18 @@ static rt_err_t drv_control(struct rt_can_device *can, int cmd, void *arg)
if (argval != can->config.privmode)
{
can->config.privmode = argval;
if (HAL_CAN_Stop(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
if (HAL_CAN_Init(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
if (HAL_CAN_Start(&drv_can->CanHandle) != HAL_OK)
{
return RT_ERROR;
}
}
break;
case RT_CAN_CMD_GET_STATUS: