ir.h

用IO口模拟红外通讯应用程序

#ifndef IR_H
#define IR_H

#define UART_BIT_9_H  0xA5
#define UART_BIT_9_L  0x5A

#define BAUD_RATE  1200
#define IR_CARRIER  38000       
#define SMCLK_FREQ (32768*32*4)
#define IR_CAR_GEN (SMCLK_FREQ/IR_CARRIER)

#define Bitime_5   (SMCLK_FREQ/(2*BAUD_RATE)) 
#define Bitime       ((SMCLK_FREQ/BAUD_RATE))

#define N_HALF_CLK                         10
#define N_SEND_BIT                        200

#define UART_HALF_BIT_TIME_1200  14
#define UART_BIT_TIME_1200             27
#define UART_BOND_RATE_1200        200

extern unsigned char UartRxByte;
extern unsigned char RcKeyCode;

void _ir_start_to_rx(void);
void _ir_start_to_tx(void);
void _ir_send_byte(unsigned short sData);
void _ir_off(void);
void _ir_on(unsigned char tt);

#endif