#ifndef SERIAL_DMA_H
#define SERIAL_DMA_H

#include <stdarg.h>
#include <MKL46Z4.h>
#include <PinNames.h>

#ifdef __cplusplus
extern "C" {
#endif

/* Sizes */
#define SDMA_NUM_UART 3
#define SDMA_NUM_DMA  4

/* Serial Ports */
typedef enum {
	SDMA_UART0,
	SDMA_UART1,
	SDMA_UART2,
} sdma_uart_t;

/* DMA Channels */
typedef enum {
	SDMA_CHANNEL0,
	SDMA_CHANNEL1,
	SDMA_CHANNEL2,
	SDMA_CHANNEL3,
} sdma_dma_t;

/* Port */
typedef struct sdma_t sdma_t;

/* Open */
sdma_t *sdma_open(sdma_uart_t uart, sdma_dma_t tx_chan, sdma_dma_t rx_chan);

/* Setup */
void sdma_pinmap(sdma_t *port, PinName tx, PinName rx);

/* Write */
void sdma_write(sdma_t *port, void *data, int len);
void sdma_read(sdma_t *port, void *data, int len);

/* Flush/Wait */
void sdma_flush(sdma_t *port, uint64_t *time);
void sdma_wait(sdma_t *port, uint64_t *time);

/* Print */
void sdma_vprintf(sdma_t *port, const char *fmt, va_list ap);
void sdma_printf(sdma_t *port, const char *fmt, ...);

#ifdef __cplusplus
}
#endif

#endif