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fix(core/embed): fix aborting of bg_copy operation

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This commit is contained in:
cepetr 2024-08-13 15:29:20 +02:00 committed by cepetr
parent d7462e93bb
commit 58d9f6115e
1 changed files with 6 additions and 2 deletions
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4
core/embed/trezorhal/stm32u5/bg_copy.c
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@ -45,6 +45,7 @@ void GPDMA1_Channel0_IRQHandler(void) {
// transfer finished, disable the channel // transfer finished, disable the channel
HAL_DMA_DeInit(&DMA_Handle); HAL_DMA_DeInit(&DMA_Handle);
NVIC_DisableIRQ(GPDMA1_Channel0_IRQn); NVIC_DisableIRQ(GPDMA1_Channel0_IRQn);
DMA_Handle.Instance = NULL;
data_src = NULL; data_src = NULL;
data_dst = NULL; data_dst = NULL;
@ -106,8 +107,11 @@ void bg_copy_start_const_out_8(const uint8_t *src, uint8_t *dst, size_t size,
void bg_copy_abort(void) { void bg_copy_abort(void) {
dma_transfer_remaining = 0; dma_transfer_remaining = 0;
dma_data_transferred = 0; dma_data_transferred = 0;
if (DMA_Handle.Instance != NULL) {
HAL_DMA_Abort(&DMA_Handle); HAL_DMA_Abort(&DMA_Handle);
HAL_DMA_DeInit(&DMA_Handle); HAL_DMA_DeInit(&DMA_Handle);
DMA_Handle.Instance = NULL;
}
NVIC_DisableIRQ(GPDMA1_Channel0_IRQn); NVIC_DisableIRQ(GPDMA1_Channel0_IRQn);
data_src = NULL; data_src = NULL;
data_dst = NULL; data_dst = NULL;