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#ifndef SERIAL_H
#define SERIAL_H
#include <stddef.h>
#include <stdio.h>
#include "collection/rbuffer.h"
#include "collection/list.h"
#define USARTS 1
#define SERIAL_BUFFER_SIZE 64
struct serial_device_t {
volatile char __rx_buffer[SERIAL_BUFFER_SIZE];
volatile char __tx_buffer[SERIAL_BUFFER_SIZE];
struct rbuffer_t rx_buffer;
struct rbuffer_t tx_buffer;
struct list_head rx_q;
struct list_head tx_q;
};
#define SERIAL_DEVICE_INIT(name) \
{ \
.rx_buffer = RBUFFER_ARRAY_INIT(name.__rx_buffer, SERIAL_BUFFER_SIZE), \
.tx_buffer = RBUFFER_ARRAY_INIT(name.__tx_buffer, SERIAL_BUFFER_SIZE), \
.rx_q = LIST_HEAD_INIT(name.rx_q), \
.tx_q = LIST_HEAD_INIT(name.tx_q) \
}
void serial_init(unsigned long baud);
size_t serial_read(char* const data, size_t size);
size_t serial_write(const char* const data, size_t size);
inline void serial_write_str(const char* const str) {
size_t length = 0;
for (length = 0; str[length] != 0; ++length){}
serial_write(str, length);
}
int serial_getc();
int serial_putc(char c);
extern FILE serial_in;
extern FILE serial_out;
#endif
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