84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
/*
|
|
|
|
uart.h: Definitions for the UART access routines
|
|
|
|
*/
|
|
|
|
#ifndef UART_H
|
|
#define UART_H
|
|
|
|
#include <stdint.h>
|
|
#include <stdio.h>
|
|
#include "config.h"
|
|
|
|
//#ifdef CONFIG_UART_DEBUG
|
|
#if 1
|
|
|
|
#ifdef __AVR__
|
|
# include <avr/pgmspace.h>
|
|
void uart_puts_P(prog_char *text);
|
|
#else
|
|
# define uart_puts_P(str) uart_puts(str)
|
|
#endif
|
|
|
|
void uart_init(void);
|
|
unsigned char uart_getc(void);
|
|
unsigned char uart_gotc(void);
|
|
void uart_putc(char c);
|
|
void uart_puts(const char *str);
|
|
void uart_puthex(uint8_t num);
|
|
void uart_trace(void *ptr, uint16_t start, uint16_t len);
|
|
void uart_flush(void);
|
|
int printf(const char *fmt, ...);
|
|
int snprintf(char *str, size_t size, const char *format, ...);
|
|
#define uart_putcrlf() uart_putc('\n')
|
|
|
|
/* A few symbols to make this code work for all four UARTs */
|
|
#if defined(CONFIG_UART_NUM) && CONFIG_UART_NUM == 0
|
|
# define UART_PCONBIT 3
|
|
# define UART_PCLKREG PCLKSEL0
|
|
# define UART_PCLKBIT 6
|
|
# define UART_REGS LPC_UART0
|
|
# define UART_HANDLER UART0_IRQHandler
|
|
# define UART_IRQ UART0_IRQn
|
|
#elif CONFIG_UART_NUM == 1
|
|
# define UART_PCONBIT 4
|
|
# define UART_PCLKREG PCLKSEL0
|
|
# define UART_PCLKBIT 8
|
|
# define UART_REGS LPC_UART1
|
|
# define UART_HANDLER UART1_IRQHandler
|
|
# define UART_IRQ UART1_IRQn
|
|
#elif CONFIG_UART_NUM == 2
|
|
# define UART_PCONBIT 24
|
|
# define UART_PCLKREG PCLKSEL1
|
|
# define UART_PCLKBIT 16
|
|
# define UART_REGS LPC_UART2
|
|
# define UART_HANDLER UART2_IRQHandler
|
|
# define UART_IRQ UART2_IRQn
|
|
#elif CONFIG_UART_NUM == 3
|
|
# define UART_PCONBIT 25
|
|
# define UART_PCLKREG PCLKSEL1
|
|
# define UART_PCLKBIT 18
|
|
# define UART_REGS LPC_UART3
|
|
# define UART_HANDLER UART3_IRQHandler
|
|
# define UART_IRQ UART3_IRQn
|
|
#else
|
|
# error CONFIG_UART_NUM is not set or has an invalid value!
|
|
#endif
|
|
|
|
#else
|
|
|
|
#define uart_init() do {} while(0)
|
|
#define uart_getc() 0
|
|
#define uart_putc(x) do {} while(0)
|
|
#define uart_puthex(x) do {} while(0)
|
|
#define uart_flush() do {} while(0)
|
|
#define uart_puts_P(x) do {} while(0)
|
|
#define uart_puts(x) do {} while(0)
|
|
#define uart_putcrlf() do {} while(0)
|
|
#define uart_trace(a,b,c) do {} while(0)
|
|
|
|
#endif
|
|
|
|
#endif
|