void edma_init(void) { CLOCK_SYS_EnableDmaClock(0); EDMA_HAL_Init(DMA_BASE); CLOCK_SYS_EnableDmamuxClock(0); DMAMUX_HAL_Init(DMAMUX_BASE); }
/*FUNCTION********************************************************************** * * Function Name : DMA_DRV_Init * Description : Initialize DMA. * *END**************************************************************************/ dma_status_t DMA_DRV_Init(dma_state_t *state) { uint8_t i; g_dma = state; memset(g_dma, 0, sizeof(dma_state_t)); #if (USE_RTOS) OSA_MutexCreate(&state->lock); #endif /* Enable DMA clock. */ for (i = 0; i < DMA_INSTANCE_COUNT; i ++) { CLOCK_SYS_EnableDmaClock(i); } /* Enable DMAMUX clock and init. */ for (i = 0; i < DMAMUX_INSTANCE_COUNT; i++) { CLOCK_SYS_EnableDmamuxClock(i); DMAMUX_HAL_Init(g_dmamuxBase[i]); } return kStatus_DMA_Success; }