Implementation of the cc2538 micro-DMA driver. More...

#include "contiki.h"
#include "dev/udma.h"
#include "dev/nvic.h"
#include "reg.h"
#include "dev/cc2538-dev.h"
#include <stdint.h>
#include <string.h>

Functions
bool	udma_is_valid_source_address (uintptr_t address)
	Checks if data can be DMAed from the given address.

void	udma_init (void)
	Initialise the uDMA driver.

void	udma_set_channel_src (uint8_t channel, uint32_t src_end)
	Sets the channels source address.

void	udma_set_channel_dst (uint8_t channel, uint32_t dst_end)
	Sets the channel's destination address.

void	udma_set_channel_control_word (uint8_t channel, uint32_t ctrl)
	Configure the channel's control word.

void	udma_set_channel_assignment (uint8_t channel, uint8_t enc)
	Choose an encoding for a uDMA channel.

void	udma_channel_enable (uint8_t channel)
	Enables a uDMA channel.

void	udma_channel_disable (uint8_t channel)
	Disables a uDMA channel.

void	udma_channel_use_alternate (uint8_t channel)
	Use the alternate control data structure for a channel.

void	udma_channel_use_primary (uint8_t channel)
	Use the primary control data structure for a channel.

void	udma_channel_prio_set_high (uint8_t channel)
	Set a uDMA channel to high priority.

void	udma_channel_prio_set_default (uint8_t channel)
	Set a uDMA channel to default priority.

void	udma_channel_use_burst (uint8_t channel)
	Configure a channel to only use burst transfers.

void	udma_channel_use_single (uint8_t channel)
	Configure a channel to use single as well as burst requests.

void	udma_channel_mask_set (uint8_t channel)
	Disable peripheral triggers for a uDMA channel.

void	udma_channel_mask_clr (uint8_t channel)
	Enable peripheral triggers for a uDMA channel.

void	udma_channel_sw_request (uint8_t channel)
	Generate a software trigger to start a transfer.

uint8_t	udma_channel_get_mode (uint8_t channel)
	Retrieve the current mode for a channel.

Detailed Description

Implementation of the cc2538 micro-DMA driver.

Definition in file udma.c.

Functions

Detailed Description