AVR XMEGA Direct Memory Access Controller driver.
Copyright (c) 2010-2018 Microchip Technology Inc. and its subsidiaries.
#include <compiler.h>#include <status_codes.h>#include <sleepmgr.h>#include <sysclk.h>#include <dma.h>Functions | |
| void | dma_channel_read_config (dma_channel_num_t num, struct dma_channel_config *config) |
| Read DMA channel configuration from hardware. More... | |
| void | dma_channel_write_config (dma_channel_num_t num, struct dma_channel_config *config) |
| Write DMA channel configuration to hardware. More... | |
| void | dma_disable (void) |
| Disable DMA controller. More... | |
| void | dma_enable (void) |
| Enable DMA controller. More... | |
| static void | dma_interrupt (const dma_channel_num_t num) |
| Common DMA channel interrupt handler. More... | |
| void | dma_set_callback (dma_channel_num_t num, dma_callback_t callback) |
| Set callback for given DMA channel. More... | |
| ISR (DMA_CH0_vect) | |
| DMA channel 0 interrupt handler. More... | |
| ISR (DMA_CH1_vect) | |
| DMA channel 1 interrupt handler. More... | |
| ISR (DMA_CH2_vect) | |
| DMA channel 2 interrupt handler. More... | |
| ISR (DMA_CH3_vect) | |
| DMA channel 3 interrupt handler. More... | |
Variables | |
| struct dma_data_struct | dma_data [DMA_NUMBER_OF_CHANNELS] |
| DMA private data for each channel. More... | |
|
static |
Common DMA channel interrupt handler.
Calls the channel callback with the channel status code. The following status codes are possible:
The optional callback used by the interrupt handler is set by the dma_set_callback() function.
| num | DMA channel number to handle interrupt for |
References dma_data, dma_get_channel_address_from_num, and dma_get_channel_status().
Referenced by ISR().
| ISR | ( | DMA_CH0_vect | ) |
DMA channel 0 interrupt handler.
References dma_interrupt().
| ISR | ( | DMA_CH1_vect | ) |
DMA channel 1 interrupt handler.
References dma_interrupt().
| ISR | ( | DMA_CH2_vect | ) |
DMA channel 2 interrupt handler.
References dma_interrupt().
| ISR | ( | DMA_CH3_vect | ) |
DMA channel 3 interrupt handler.
References dma_interrupt().
| struct dma_data_struct dma_data[DMA_NUMBER_OF_CHANNELS] |
DMA private data for each channel.
Referenced by dma_interrupt(), and dma_set_callback().
1.8.5