357 lines
8.3 KiB
C
Executable File
357 lines
8.3 KiB
C
Executable File
#include "Serial.h"
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include "util/Config.h"
|
|
|
|
extern volatile uint8_t queue_height;
|
|
|
|
void serial_init(Serial *serial) {
|
|
memset(serial, 0, sizeof(*serial));
|
|
memset(uart0Buf, 0, sizeof(uart0Buf));
|
|
memset(uart1Buf, 0, sizeof(uart1Buf));
|
|
|
|
serial_setbaudrate_115200(0);
|
|
serial_setbaudrate_115200(1);
|
|
|
|
// Set to 8-bit data, enable RX and TX, enable receive interrupt
|
|
UCSR0C = _BV(UCSZ01) | _BV(UCSZ00);
|
|
UCSR0B = _BV(RXEN0) | _BV(TXEN0) | _BV(RXCIE0);
|
|
|
|
UCSR1C = _BV(UCSZ11) | _BV(UCSZ10);
|
|
UCSR1B = _BV(RXEN1) | _BV(TXEN1) | _BV(RXCIE1);
|
|
|
|
FILE uart0_fd = FDEV_SETUP_STREAM(uart0_putchar, uart0_getchar, _FDEV_SETUP_RW);
|
|
FILE uart1_fd = FDEV_SETUP_STREAM(uart1_putchar, uart1_getchar, _FDEV_SETUP_RW);
|
|
|
|
serial->uart0 = uart0_fd;
|
|
serial->uart1 = uart1_fd;
|
|
|
|
fifo_init(&uart0FIFO, uart0Buf, CONFIG_UART0_BUFFER_SIZE);
|
|
fifo_init(&uart1FIFO, uart1Buf, CONFIG_UART1_BUFFER_SIZE);
|
|
|
|
}
|
|
|
|
bool serial_available(uint8_t index) {
|
|
if (index == 0) {
|
|
if (UCSR0A & _BV(RXC0)) return true;
|
|
} else if (index == 1) {
|
|
if (UCSR1A & _BV(RXC1)) return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
int uart0_putchar(char c, FILE *stream) {
|
|
LED_COM_ON();
|
|
loop_until_bit_is_set(UCSR0A, UDRE0);
|
|
UDR0 = c;
|
|
return 1;
|
|
}
|
|
|
|
int uart0_getchar(FILE *stream) {
|
|
loop_until_bit_is_set(UCSR0A, RXC0);
|
|
LED_COM_ON();
|
|
return UDR0;
|
|
}
|
|
|
|
char uart0_getchar_nowait(void) {
|
|
if (!(UCSR0A & _BV(RXC0))) return EOF;
|
|
LED_COM_ON();
|
|
return UDR0;
|
|
}
|
|
|
|
int uart1_putchar(char c, FILE *stream) {
|
|
loop_until_bit_is_set(UCSR1A, UDRE1);
|
|
UDR1 = c;
|
|
return 1;
|
|
}
|
|
|
|
int uart1_getchar(FILE *stream) {
|
|
loop_until_bit_is_set(UCSR1A, RXC1);
|
|
return UDR1;
|
|
}
|
|
|
|
char uart1_getchar_nowait(void) {
|
|
if (!(UCSR1A & _BV(RXC1))) return EOF;
|
|
return UDR1;
|
|
}
|
|
|
|
ISR(USART0_RX_vect) {
|
|
if (serial_available(0)) {
|
|
LED_COM_ON();
|
|
if (!fifo_isfull(&uart0FIFO)) {
|
|
char c = uart0_getchar_nowait();
|
|
fifo_push(&uart0FIFO, c);
|
|
} else {
|
|
uart0_getchar_nowait();
|
|
}
|
|
}
|
|
}
|
|
|
|
ISR(USART1_RX_vect) {
|
|
if (serial_available(1)) {
|
|
if (!fifo_isfull(&uart1FIFO)) {
|
|
char c = uart1_getchar_nowait();
|
|
fifo_push(&uart1FIFO, c);
|
|
} else {
|
|
uart1_getchar_nowait();
|
|
}
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_1200(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 1200
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_2400(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 2400
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_4800(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 4800
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
|
|
|
|
void serial_setbaudrate_9600(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 9600
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_14400(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 14400
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_19200(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 19200
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_28800(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 28800
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_38400(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 38400
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_57600(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 57600
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_76800(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 76800
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_115200(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 115200
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|
|
void serial_setbaudrate_230400(uint8_t port) {
|
|
#undef BAUD
|
|
#define BAUD 230400
|
|
#include <util/setbaud.h>
|
|
if (port == 0) {
|
|
UBRR0H = UBRRH_VALUE; UBRR0L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR0A |= _BV(U2X0);
|
|
#else
|
|
UCSR0A &= ~(_BV(U2X0));
|
|
#endif
|
|
} else if (port == 1) {
|
|
UBRR1H = UBRRH_VALUE; UBRR1L = UBRRL_VALUE;
|
|
#if USE_2X
|
|
UCSR1A |= _BV(U2X0);
|
|
#else
|
|
UCSR1A &= ~(_BV(U2X0));
|
|
#endif
|
|
}
|
|
}
|
|
|