dmac.h

A few drivers for the Motorola C380 s celluar phone hardware with a simple test application. It s co

#ifndef DMAC_DRV_H
#define DMAC_DRV_H

#include "../libs/motolibs.h"

/* Initialize and configure DMAC */
//TODO: lacks documentation
void dmac_config(hword transfer_config, hword clock_config, hword data_pol);

/* Check if DMAC is busy */
bool dmac_check_busy(void);

/* Wait for DMAC to finish current operation */
void dmac_wait(void);

/* Abort current DMAC operation */
void dmac_abort(void);

/* Send a byte via DMAC */
void dmac_send_byte(byte abyte, bool isdata);

/* Send a block of data via DMAC */
void dmac_send_data(void * data, word * length);

/* Send a command with no arguments to the display controller */
#define dmac_send_cmd_no(a) dmac_send_byte(a,false);

/* Send a command with one argument to the display controller */
void dmac_send_cmd_one(byte cmd, byte data);

/* Send a command with two arguments to the display controller */
void dmac_send_cmd_two(byte cmd, byte data1, byte data2);

/* Send a command with three arguments to the display controller */
void dmac_send_cmd_three(byte cmd, byte data1, byte data2, byte data3);

/* Send a command with an argument block to the display controller */
void dmac_send_cmd_long(byte cmd, void * data, word length);

#endif