专家
公告
财富商城
电子网
旗下网站
首页
问题库
专栏
标签库
话题
专家
NEW
门户
发布
提问题
发文章
STM32
H7 DCMI 进DCMI中断后,总是进Overflow interrupt management部分,且DMA中断错误
2019-07-20 01:10
发布
×
打开微信“扫一扫”,打开网页后点击屏幕右上角分享按钮
站内问答
/
STM32/STM8
2148
8
1741
我用自己的STM32H750的板子,用MX生成了代码,调DCMI接口,接收前端FPGA过来的YUV422的数据,debug发现在进HAL_DCMI_IRQHandler()的时候总是进入了Overflow interrupt management,且接收不到数据,而且DMA中断HAL_DMA_IRQHandler()总是进传输错误部分,这个是哪里出了问题不太清楚啊。
友情提示:
此问题已得到解决,问题已经关闭,关闭后问题禁止继续编辑,回答。
8条回答
Levi123456
2019-07-20 02:32
uint8_t yuvbuf[640*2];//
int main(void)
{
SCB_EnableICache();
SCB_EnableDCache();
HAL_Init()
SystemClock_Config();
MX_DCMI_Init();
HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_CONTINUOUS, (uint32_t)yuvbuf, 640);
while(1)
{
delay_cnt(1000);
}
}
/**************************************************/
static void MX_DCMI_Init(void)
{
hdcmi.Instance = DCMI;
hdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
hdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;
hdcmi.Init.VSPolarity = DCMI_VSPOLARITY_HIGH;
hdcmi.Init.HSPolarity = DCMI_HSPOLARITY_HIGH;
hdcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME;
hdcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B;
// hdcmi.Init.JPEGMode = DCMI_JPEG_DISABLE;
// hdcmi.Init.ByteSelectMode = DCMI_BSM_ALL;
// hdcmi.Init.ByteSelectStart = DCMI_OEBS_ODD;
// hdcmi.Init.LineSelectMode = DCMI_LSM_ALL;
// hdcmi.Init.LineSelectStart = DCMI_OELS_ODD;
if (HAL_DCMI_Init(&hdcmi) != HAL_OK)
{
Error_Handler();
}
}
/*********************************************/
void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(hdcmi->Instance==DCMI)
{
/* USER CODE BEGIN DCMI_MspInit 0 */
/* USER CODE END DCMI_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_DCMI_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOI_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/**DCMI GPIO Configuration
PE1 ------> DCMI_D3
PE0 ------> DCMI_D2
PE4 ------> DCMI_D4
PI7 ------> DCMI_D7
PI6 ------> DCMI_D6
PI5 ------> DCMI_VSYNC
PI4 ------> DCMI_D5
PA9 ------> DCMI_D0
PC7 ------> DCMI_D1
PH8 ------> DCMI_HSYNC
PA6 ------> DCMI_PIXCLK
*/
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_6|GPIO_PIN_5|GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_8;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* DCMI DMA Init */
__HAL_RCC_DMA1_CLK_ENABLE();
/* DCMI Init */
hdma_dcmi.Instance = DMA1_Stream0;
hdma_dcmi.Init.Request = DMA_REQUEST_DCMI;
hdma_dcmi.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_dcmi.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dcmi.Init.MemInc = DMA_MINC_ENABLE;
hdma_dcmi.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_dcmi.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_dcmi.Init.Mode = DMA_CIRCULAR;//--DMA_NORMAL;
hdma_dcmi.Init.Priority = DMA_PRIORITY_HIGH;//--DMA_PRIORITY_LOW;
hdma_dcmi.Init.FIFOMode = DMA_FIFOMODE_DISABLE;//--DMA_FIFOMODE_ENABLE;
hdma_dcmi.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;//DMA_FIFO_THRESHOLD_FULL;
hdma_dcmi.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_dcmi.Init.PeriphBurst = DMA_PBURST_SINGLE;
__HAL_LINKDMA(hdcmi,DMA_Handle,hdma_dcmi);
/* DCMI interrupt Init */
HAL_NVIC_SetPriority(DCMI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(DCMI_IRQn);
/* USER CODE BEGIN DCMI_MspInit 1 */
/* DMA interrupt init */
/* DMA1_Stream0_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn);
if (HAL_DMA_Init(&hdma_dcmi) != HAL_OK)//++
{
Error_Handler();
}
/* USER CODE END DCMI_MspInit 1 */
}
}
结果DCMI中断总是进 Overflow interrupt management
/******************************************************/
void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
{
uint32_t isr_value = READ_REG(hdcmi->Instance->MISR);
/* Synchronization error interrupt management *******************************/
if((isr_value & DCMI_FLAG_ERRRI) == DCMI_FLAG_ERRRI)
{
/* Clear the Synchronization error flag */
__HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);
/* Update error code */
hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;
/* Change DCMI state */
hdcmi->State = HAL_DCMI_STATE_ERROR;
/* Set the synchronization error callback */
hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;
/* Abort the DMA Transfer */
(void)HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
}
/*
Overflow interrupt management
********************************************/
if((isr_value & DCMI_FLAG_OVRRI) == DCMI_FLAG_OVRRI)
{
/* Clear the Overflow flag */
__HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVRRI);
/* Update error code */
hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVR;
/* Change DCMI state */
hdcmi->State = HAL_DCMI_STATE_ERROR;
/* Set the overflow callback */
hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;
/* Abort the DMA Transfer */
(void)HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
}
......
}
而DCMI的DMA中断总是进Transfer Error Interrupt management
/********************************************************/
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
{
uint32_t tmpisr_dma, tmpisr_bdma;
uint32_t ccr_reg;
__IO uint32_t count = 0U;
uint32_t timeout = SystemCoreClock / 9600U;
/* calculate DMA base and stream number */
DMA_Base_Registers *regs_dma = (DMA_Base_Registers *)hdma->StreamBaseAddress;
BDMA_Base_Registers *regs_bdma = (BDMA_Base_Registers *)hdma->StreamBaseAddress;
tmpisr_dma = regs_dma->ISR;
tmpisr_bdma = regs_bdma->ISR;
if(IS_DMA_STREAM_INSTANCE(hdma->Instance) != 0U) /* DMA1 or DMA2 instance */
{
/*
Transfer Error Interrupt management
***************************************/
if ((tmpisr_dma & (DMA_FLAG_TEIF0_4 << (hdma->StreamIndex & 0x1FU))) != 0U)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TE) != 0U)
{
/* Disable the transfer error interrupt */
((DMA_Stream_TypeDef *)hdma->Instance)->CR &= ~(DMA_IT_TE);
/* Clear the transfer error flag */
regs_dma->IFCR = DMA_FLAG_TEIF0_4 << (hdma->StreamIndex & 0x1FU);
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_TE;
}
}
....
}
不知道是哪里出了问题
加载中...
查看其它8个回答
一周热门
更多
>
相关问题
STM32F4上I2C(在PROTEUS中模拟)调试不通的问题
6 个回答
芯片供应紧张,准备换个MCU,MM32L系列替换STM32L系列的怎么样?
7 个回答
STM32同时使用两个串口进行数据收发时数据丢包的问题
5 个回答
STM32F103串口通信死机问题
4 个回答
STM32WLE5CC连接SX1268在LoRa模式下能与 SX1278互通吗?
2 个回答
相关文章
ST公司第一款无线低功耗单片机模块有效提高物联网设计生产效率
0个评论
如何实现对单片机寄存器的访问
0个评论
通过USB用STM32片内自带Bootloader下载程序及注意事项
0个评论
欲练此功必先自宫之STM32汇编启动,放慢是为了更好的前行
0个评论
×
关闭
采纳回答
向帮助了您的知道网友说句感谢的话吧!
非常感谢!
确 认
×
关闭
编辑标签
最多设置5个标签!
STM32
保存
关闭
×
关闭
举报内容
检举类型
检举内容
检举用户
检举原因
广告推广
恶意灌水
回答内容与提问无关
抄袭答案
其他
检举说明(必填)
提交
关闭
×
打开微信“扫一扫”,打开网页后点击屏幕右上角分享按钮
×
付费偷看金额在0.1-10元之间
确定
×
关闭
您已邀请
0
人回答
查看邀请
擅长该话题的人
回答过该话题的人
我关注的人
int main(void)
{
SCB_EnableICache();
SCB_EnableDCache();
HAL_Init()
SystemClock_Config();
MX_DCMI_Init();
HAL_DCMI_Start_DMA(&hdcmi, DCMI_MODE_CONTINUOUS, (uint32_t)yuvbuf, 640);
while(1)
{
delay_cnt(1000);
}
}
/**************************************************/
static void MX_DCMI_Init(void)
{
hdcmi.Instance = DCMI;
hdcmi.Init.SynchroMode = DCMI_SYNCHRO_HARDWARE;
hdcmi.Init.PCKPolarity = DCMI_PCKPOLARITY_RISING;
hdcmi.Init.VSPolarity = DCMI_VSPOLARITY_HIGH;
hdcmi.Init.HSPolarity = DCMI_HSPOLARITY_HIGH;
hdcmi.Init.CaptureRate = DCMI_CR_ALL_FRAME;
hdcmi.Init.ExtendedDataMode = DCMI_EXTEND_DATA_8B;
// hdcmi.Init.JPEGMode = DCMI_JPEG_DISABLE;
// hdcmi.Init.ByteSelectMode = DCMI_BSM_ALL;
// hdcmi.Init.ByteSelectStart = DCMI_OEBS_ODD;
// hdcmi.Init.LineSelectMode = DCMI_LSM_ALL;
// hdcmi.Init.LineSelectStart = DCMI_OELS_ODD;
if (HAL_DCMI_Init(&hdcmi) != HAL_OK)
{
Error_Handler();
}
}
/*********************************************/
void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
if(hdcmi->Instance==DCMI)
{
/* USER CODE BEGIN DCMI_MspInit 0 */
/* USER CODE END DCMI_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_DCMI_CLK_ENABLE();
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOI_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
/**DCMI GPIO Configuration
PE1 ------> DCMI_D3
PE0 ------> DCMI_D2
PE4 ------> DCMI_D4
PI7 ------> DCMI_D7
PI6 ------> DCMI_D6
PI5 ------> DCMI_VSYNC
PI4 ------> DCMI_D5
PA9 ------> DCMI_D0
PC7 ------> DCMI_D1
PH8 ------> DCMI_HSYNC
PA6 ------> DCMI_PIXCLK
*/
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_7|GPIO_PIN_6|GPIO_PIN_5|GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_7;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_8;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF13_DCMI;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* DCMI DMA Init */
__HAL_RCC_DMA1_CLK_ENABLE();
/* DCMI Init */
hdma_dcmi.Instance = DMA1_Stream0;
hdma_dcmi.Init.Request = DMA_REQUEST_DCMI;
hdma_dcmi.Init.Direction = DMA_PERIPH_TO_MEMORY;
hdma_dcmi.Init.PeriphInc = DMA_PINC_DISABLE;
hdma_dcmi.Init.MemInc = DMA_MINC_ENABLE;
hdma_dcmi.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
hdma_dcmi.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
hdma_dcmi.Init.Mode = DMA_CIRCULAR;//--DMA_NORMAL;
hdma_dcmi.Init.Priority = DMA_PRIORITY_HIGH;//--DMA_PRIORITY_LOW;
hdma_dcmi.Init.FIFOMode = DMA_FIFOMODE_DISABLE;//--DMA_FIFOMODE_ENABLE;
hdma_dcmi.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_HALFFULL;//DMA_FIFO_THRESHOLD_FULL;
hdma_dcmi.Init.MemBurst = DMA_MBURST_SINGLE;
hdma_dcmi.Init.PeriphBurst = DMA_PBURST_SINGLE;
__HAL_LINKDMA(hdcmi,DMA_Handle,hdma_dcmi);
/* DCMI interrupt Init */
HAL_NVIC_SetPriority(DCMI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(DCMI_IRQn);
/* USER CODE BEGIN DCMI_MspInit 1 */
/* DMA interrupt init */
/* DMA1_Stream0_IRQn interrupt configuration */
HAL_NVIC_SetPriority(DMA1_Stream0_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(DMA1_Stream0_IRQn);
if (HAL_DMA_Init(&hdma_dcmi) != HAL_OK)//++
{
Error_Handler();
}
/* USER CODE END DCMI_MspInit 1 */
}
}
结果DCMI中断总是进 Overflow interrupt management
/******************************************************/
void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
{
uint32_t isr_value = READ_REG(hdcmi->Instance->MISR);
/* Synchronization error interrupt management *******************************/
if((isr_value & DCMI_FLAG_ERRRI) == DCMI_FLAG_ERRRI)
{
/* Clear the Synchronization error flag */
__HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);
/* Update error code */
hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;
/* Change DCMI state */
hdcmi->State = HAL_DCMI_STATE_ERROR;
/* Set the synchronization error callback */
hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;
/* Abort the DMA Transfer */
(void)HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
}
/* Overflow interrupt management ********************************************/
if((isr_value & DCMI_FLAG_OVRRI) == DCMI_FLAG_OVRRI)
{
/* Clear the Overflow flag */
__HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVRRI);
/* Update error code */
hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVR;
/* Change DCMI state */
hdcmi->State = HAL_DCMI_STATE_ERROR;
/* Set the overflow callback */
hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;
/* Abort the DMA Transfer */
(void)HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
}
......
}
而DCMI的DMA中断总是进Transfer Error Interrupt management
/********************************************************/
void HAL_DMA_IRQHandler(DMA_HandleTypeDef *hdma)
{
uint32_t tmpisr_dma, tmpisr_bdma;
uint32_t ccr_reg;
__IO uint32_t count = 0U;
uint32_t timeout = SystemCoreClock / 9600U;
/* calculate DMA base and stream number */
DMA_Base_Registers *regs_dma = (DMA_Base_Registers *)hdma->StreamBaseAddress;
BDMA_Base_Registers *regs_bdma = (BDMA_Base_Registers *)hdma->StreamBaseAddress;
tmpisr_dma = regs_dma->ISR;
tmpisr_bdma = regs_bdma->ISR;
if(IS_DMA_STREAM_INSTANCE(hdma->Instance) != 0U) /* DMA1 or DMA2 instance */
{
/* Transfer Error Interrupt management ***************************************/
if ((tmpisr_dma & (DMA_FLAG_TEIF0_4 << (hdma->StreamIndex & 0x1FU))) != 0U)
{
if(__HAL_DMA_GET_IT_SOURCE(hdma, DMA_IT_TE) != 0U)
{
/* Disable the transfer error interrupt */
((DMA_Stream_TypeDef *)hdma->Instance)->CR &= ~(DMA_IT_TE);
/* Clear the transfer error flag */
regs_dma->IFCR = DMA_FLAG_TEIF0_4 << (hdma->StreamIndex & 0x1FU);
/* Update error code */
hdma->ErrorCode |= HAL_DMA_ERROR_TE;
}
}
....
}
不知道是哪里出了问题
一周热门 更多>