/**
* @brief Checks whether the specified DMAy Channelx flag is set or not.
* @param DMAy_FLAG: specifies the flag to check.
* This parameter can be one of the following values:
* @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
* @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
* @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
* @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
* @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
* @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
* @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
* @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
* @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
* @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
* @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
* @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
* @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
* @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
* @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
* @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
* @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
* @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
* @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
* @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
* @arg DMA1_FLAG_GL6: DMA1 Channel6 global flag.
* @arg DMA1_FLAG_TC6: DMA1 Channel6 transfer complete flag.
* @arg DMA1_FLAG_HT6: DMA1 Channel6 half transfer flag.
* @arg DMA1_FLAG_TE6: DMA1 Channel6 transfer error flag.
* @arg DMA1_FLAG_GL7: DMA1 Channel7 global flag.
* @arg DMA1_FLAG_TC7: DMA1 Channel7 transfer complete flag.
* @arg DMA1_FLAG_HT7: DMA1 Channel7 half transfer flag.
* @arg DMA1_FLAG_TE7: DMA1 Channel7 transfer error flag.
* @arg DMA2_FLAG_GL1: DMA2 Channel1 global flag.
* @arg DMA2_FLAG_TC1: DMA2 Channel1 transfer complete flag.
* @arg DMA2_FLAG_HT1: DMA2 Channel1 half transfer flag.
* @arg DMA2_FLAG_TE1: DMA2 Channel1 transfer error flag.
* @arg DMA2_FLAG_GL2: DMA2 Channel2 global flag.
* @arg DMA2_FLAG_TC2: DMA2 Channel2 transfer complete flag.
* @arg DMA2_FLAG_HT2: DMA2 Channel2 half transfer flag.
* @arg DMA2_FLAG_TE2: DMA2 Channel2 transfer error flag.
* @arg DMA2_FLAG_GL3: DMA2 Channel3 global flag.
* @arg DMA2_FLAG_TC3: DMA2 Channel3 transfer complete flag.
* @arg DMA2_FLAG_HT3: DMA2 Channel3 half transfer flag.
* @arg DMA2_FLAG_TE3: DMA2 Channel3 transfer error flag.
* @arg DMA2_FLAG_GL4: DMA2 Channel4 global flag.
* @arg DMA2_FLAG_TC4: DMA2 Channel4 transfer complete flag.
* @arg DMA2_FLAG_HT4: DMA2 Channel4 half transfer flag.
* @arg DMA2_FLAG_TE4: DMA2 Channel4 transfer error flag.
* @arg DMA2_FLAG_GL5: DMA2 Channel5 global flag.
* @arg DMA2_FLAG_TC5: DMA2 Channel5 transfer complete flag.
* @arg DMA2_FLAG_HT5: DMA2 Channel5 half transfer flag.
* @arg DMA2_FLAG_TE5: DMA2 Channel5 transfer error flag.
* @retval The new state of DMAy_FLAG (SET or RESET).
*/
FlagStatus DMA_GetFlagStatus(uint32_t DMAy_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_DMA_GET_FLAG(DMAy_FLAG));
/* Calculate the used DMAy */
if ((DMAy_FLAG & FLAG_Mask) != (uint32_t)RESET)
{
/* Get DMA2 ISR register value */
tmpreg = DMA2->ISR ;
}
else
{
/* Get DMA1 ISR register value */
tmpreg = DMA1->ISR ;
}
/* Check the status of the specified DMAy flag */
if ((tmpreg & DMAy_FLAG) != (uint32_t)RESET)
{
/* DMAy_FLAG is set */
bitstatus = SET;
}
else
{
/* DMAy_FLAG is reset */
bitstatus = RESET;
}
/* Return the DMAy_FLAG status */
return bitstatus;
}
/**
* @簡述 檢查指定的 DMA y 通道 x 標誌位設置與否.
* @參數 DMA_FLAG: 指定的標誌.
* 這個參數可以是下面的值之一:
* DMA1_FLAG_GL1: DMA1通道1全局標誌
* DMA1_FLAG_TC1: DMA1通道1傳輸結束標誌
* DMA1_FLAG_HT1: DMA1通道1半傳輸標誌
* DMA1_FLAG_TE1: DMA1通道1傳輸錯誤標誌
* DMA1_FLAG_GL2: DMA1 通道2 全局標誌.
* DMA1_FLAG_TC2: DMA1 通道2 傳輸結束標誌.
* DMA1_FLAG_HT2: DMA1 通道2 半傳輸標誌.
* DMA1_FLAG_TE2: DMA1 通道2 傳輸錯誤標誌.
* DMA1_FLAG_GL3: DMA1 通道3 全局標誌.
* DMA1_FLAG_TC3: DMA1 通道3 傳輸結束標誌.
* DMA1_FLAG_HT3: DMA1 通道3 半傳輸標誌.
* DMA1_FLAG_TE3: DMA1 通道3 傳輸錯誤標誌.
* DMA1_FLAG_GL4: DMA1 通道4 全局標誌.
* DMA1_FLAG_TC4: DMA1 通道4 傳輸結束標誌.
* DMA1_FLAG_HT4: DMA1 通道4 半傳輸標誌.
* DMA1_FLAG_TE4: DMA1 通道4 傳輸錯誤標誌.
* DMA1_FLAG_GL5: DMA1 通道5 全局標誌.
* DMA1_FLAG_TC5: DMA1 通道5 傳輸結束標誌.
* DMA1_FLAG_HT5: DMA1 通道5 半傳輸標誌.
* DMA1_FLAG_TE5: DMA1 通道5 傳輸錯誤標誌.
* DMA1_FLAG_GL6: DMA1 通道6 全局標誌.
* DMA1_FLAG_TC6: DMA1 通道6 傳輸結束標誌.
* DMA1_FLAG_HT6: DMA1 通道6 半傳輸標誌.
* DMA1_FLAG_TE6: DMA1 通道6 傳輸錯誤標誌.
* DMA1_FLAG_GL7: DMA1 通道7 全局標誌.
* DMA1_FLAG_TC7: DMA1 通道7 傳輸結束標誌.
* DMA1_FLAG_HT7: DMA1 通道7 半傳輸標誌.
* DMA1_FLAG_TE7: DMA1 通道7 傳輸錯誤標誌.
* DMA2_FLAG_GL1: DMA2 通道1 全局標誌.
* DMA2_FLAG_TC1: DMA2 通道1 傳輸結束標誌.
* DMA2_FLAG_HT1: DMA2 通道1 半傳輸標誌.
* DMA2_FLAG_TE1: DMA2 通道1 傳輸錯誤標誌.
* DMA2_FLAG_GL2: DMA2 通道2 全局標誌.
* DMA2_FLAG_TC2: DMA2 通道2 傳輸結束標誌.
* DMA2_FLAG_HT2: DMA2 通道2 半傳輸標誌.
* DMA2_FLAG_TE2: DMA2 通道2 傳輸錯誤標誌.
* DMA2_FLAG_GL3: DMA2 通道3 全局標誌.
* DMA2_FLAG_TC3: DMA2 通道3 傳輸結束標誌.
* DMA2_FLAG_HT3: DMA2 通道3 半傳輸標誌.
* DMA2_FLAG_TE3: DMA2 通道3 傳輸錯誤標誌.
* DMA2_FLAG_GL4: DMA2 通道4 全局標誌.
* DMA2_FLAG_TC4: DMA2 通道4 傳輸結束標誌.
* DMA2_FLAG_HT4: DMA2 通道4 半傳輸標誌.
* DMA2_FLAG_TE4: DMA2 通道4 傳輸錯誤標誌.
* DMA2_FLAG_GL5: DMA2 通道5 全局標誌.
* DMA2_FLAG_TC5: DMA2 通道5 傳輸結束標誌.
* DMA2_FLAG_HT5: DMA2 通道5 半傳輸標誌.
* DMA2_FLAG_TE5: DMA2 通道5 傳輸錯誤標誌.
* @返回 DMA_FLAG 的新狀態 (SET 或 RESET).
*/
FlagStatus DMA_GetFlagStatus(uint32_t DMA_FLAG)
{
FlagStatus bitstatus = RESET;
uint32_t tmpreg = 0;
/* 檢查參數 */
assert_param(IS_DMA_GET_FLAG(DMA_FLAG));
/* 計算使用的 DMA */
if ((DMA_FLAG & FLAG_Mask) != (uint32_t)RESET)
{
/* 得到 DMA2 ISR 寄存器的值 */
tmpreg = DMA2->ISR ;
}
else
{
/* 得到 DMA1 ISR 寄存器的值 */
tmpreg = DMA1->ISR ;
}
/* 檢查指定的 DMA 標誌的新狀態 */
if ((tmpreg & DMA_FLAG) != (uint32_t)RESET)
{
/* 設置 DMA_FLAG */
bitstatus = SET;
}
else
{
/* 復位 DMA_FLAG */
bitstatus = RESET;
}
/* 返回 DMA_FLAG 狀態 */
return bitstatus;
}
/**
* @brief Checks whether the specified DMAy Streamx flag is set or not.
* @param DMAy_Streamx: where y can be 1 or 2 to select the DMA and x can be 0
* to 7 to select the DMA Stream.
* @param DMA_FLAG: specifies the flag to check.
* This parameter can be one of the following values:
* @arg DMA_FLAG_TCIFx: Streamx transfer complete flag
* @arg DMA_FLAG_HTIFx: Streamx half transfer complete flag
* @arg DMA_FLAG_TEIFx: Streamx transfer error flag
* @arg DMA_FLAG_DMEIFx: Streamx direct mode error flag
* @arg DMA_FLAG_FEIFx: Streamx FIFO error flag
* Where x can be 0 to 7 to select the DMA Stream.
* @retval The new state of DMA_FLAG (SET or RESET).
*/
FlagStatus DMA_GetFlagStatus(DMA_Stream_TypeDef* DMAy_Streamx, uint32_t DMA_FLAG)
{
FlagStatus bitstatus = RESET;
DMA_TypeDef* DMAy;
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_DMA_ALL_PERIPH(DMAy_Streamx));
assert_param(IS_DMA_GET_FLAG(DMA_FLAG));
/* Determine the DMA to which belongs the stream */
if (DMAy_Streamx < DMA2_Stream0)
{
/* DMAy_Streamx belongs to DMA1 */
DMAy = DMA1;
}
else
{
/* DMAy_Streamx belongs to DMA2 */
DMAy = DMA2;
}
/* Check if the flag is in HISR or LISR */
if ((DMA_FLAG & HIGH_ISR_MASK) != (uint32_t)RESET)
{
/* Get DMAy HISR register value */
tmpreg = DMAy->HISR;
}
else
{
/* Get DMAy LISR register value */
tmpreg = DMAy->LISR;
}
/* Mask the reserved bits */
tmpreg &= (uint32_t)RESERVED_MASK;
/* Check the status of the specified DMA flag */
if ((tmpreg & DMA_FLAG) != (uint32_t)RESET)
{
/* DMA_FLAG is set */
bitstatus = SET;
}
else
{
/* DMA_FLAG is reset */
bitstatus = RESET;
}
/* Return the DMA_FLAG status */
return bitstatus;
}
/**
* @brief Checks whether the specified DMAy Channelx flag is set or not.
* @param DMA_FLAG: specifies the flag to check.
* This parameter can be one of the following values:
* @arg DMA1_FLAG_GL1: DMA1 Channel1 global flag.
* @arg DMA1_FLAG_TC1: DMA1 Channel1 transfer complete flag.
* @arg DMA1_FLAG_HT1: DMA1 Channel1 half transfer flag.
* @arg DMA1_FLAG_TE1: DMA1 Channel1 transfer error flag.
* @arg DMA1_FLAG_GL2: DMA1 Channel2 global flag.
* @arg DMA1_FLAG_TC2: DMA1 Channel2 transfer complete flag.
* @arg DMA1_FLAG_HT2: DMA1 Channel2 half transfer flag.
* @arg DMA1_FLAG_TE2: DMA1 Channel2 transfer error flag.
* @arg DMA1_FLAG_GL3: DMA1 Channel3 global flag.
* @arg DMA1_FLAG_TC3: DMA1 Channel3 transfer complete flag.
* @arg DMA1_FLAG_HT3: DMA1 Channel3 half transfer flag.
* @arg DMA1_FLAG_TE3: DMA1 Channel3 transfer error flag.
* @arg DMA1_FLAG_GL4: DMA1 Channel4 global flag.
* @arg DMA1_FLAG_TC4: DMA1 Channel4 transfer complete flag.
* @arg DMA1_FLAG_HT4: DMA1 Channel4 half transfer flag.
* @arg DMA1_FLAG_TE4: DMA1 Channel4 transfer error flag.
* @arg DMA1_FLAG_GL5: DMA1 Channel5 global flag.
* @arg DMA1_FLAG_TC5: DMA1 Channel5 transfer complete flag.
* @arg DMA1_FLAG_HT5: DMA1 Channel5 half transfer flag.
* @arg DMA1_FLAG_TE5: DMA1 Channel5 transfer error flag.
*
* @note
* The Global flag (DMAy_FLAG_GLx) is set whenever any of the other flags
* relative to the same channel is set (Transfer Complete, Half-transfer
* Complete or Transfer Error flags: DMAy_FLAG_TCx, DMAy_FLAG_HTx or
* DMAy_FLAG_TEx).
*
* @retval The new state of DMA_FLAG (SET or RESET).
*/
FlagStatus DMA_GetFlagStatus(uint32_t DMA_FLAG)
{
FlagStatus bitstatus = RESET;
/* Check the parameters */
assert_param(IS_DMA_GET_FLAG(DMA_FLAG));
/* Check the status of the specified DMA flag */
if ((DMA1->ISR & DMA_FLAG) != (uint32_t)RESET) {
/* DMA_FLAG is set */
bitstatus = SET;
} else {
/* DMA_FLAG is reset */
bitstatus = RESET;
}
/* Return the DMA_FLAG status */
return bitstatus;
}
