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IR
Dependencies: mbed TextLCD RemoteIR
Fork of RemoteIR_TestProgram by
Diff: main.cpp
- Revision:
- 0:d081f6c767da
- Child:
- 1:9d53b768eac1
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sat Aug 21 04:46:31 2010 +0000 @@ -0,0 +1,219 @@ +/** + * Test program. + * + * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems) + * http://shinta.main.jp/ + */ + +#include <mbed.h> + +#include "ReceiverIR.h" +#include "TransmitterIR.h" +#include "TextLCD.h" + +#define TEST_LOOP_BACK 0 + +ReceiverIR ir_rx(p17); +TransmitterIR ir_tx(p21); +TextLCD lcd(p24, p26, p27, p28, p29, p30); +BusOut led(LED4, LED3, LED2, LED1); +Ticker ledTicker; + +/** + * Display a splash screen. + */ +void splash(void) { + lcd.cls(); + lcd.locate(0, 0); + lcd.printf("StarBoard Orange"); + lcd.locate(0, 1); + lcd.printf("mbed NXP LPC1768"); + wait(3); + + lcd.cls(); + lcd.locate(0, 0); + lcd.printf("Example app No.2"); + lcd.locate(0, 1); + lcd.printf(" Remote IR "); + wait(3); +} + +/** + * Receive. + * + * @param format Pointer to a format. + * @param buf Pointer to a buffer. + * @param bufsiz Size of the buffer. + * + * @return Bit length of the received data. + */ +int receive(RemoteIR::Format *format, uint8_t *buf, int bufsiz, int timeout = 100) { + int cnt = 0; + while (ir_rx.getState() != ReceiverIR::Received) { + cnt++; + if (timeout < cnt) { + return -1; + } + } + return ir_rx.getData(format, buf, bufsiz); +} + +/** + * Transmit. + * + * @param format Format. + * @param buf Pointer to a buffer. + * @param bitlength Bit length of the data. + * + * @return Bit length of the received data. + */ +int transmit(RemoteIR::Format format, uint8_t *buf, int bitlength, int timeout = 100) { + int cnt = 0; + while (ir_tx.getState() != TransmitterIR::Idle) { + cnt++; + if (timeout < cnt) { + return -1; + } + } + return ir_tx.setData(format, buf, bitlength); +} + +/** + * Display a current status. + */ +void display_status(char *status, int bitlength) { + lcd.locate(8, 0); + lcd.printf("%-5.5s:%02d", status, bitlength); +} + +/** + * Display a format of a data. + */ +void display_format(RemoteIR::Format format) { + lcd.locate(0, 0); + switch (format) { + case RemoteIR::UNKNOWN: + lcd.printf("????????"); + break; + case RemoteIR::NEC: + lcd.printf("NEC "); + break; + case RemoteIR::NEC_REPEAT: + lcd.printf("NEC (R)"); + break; + case RemoteIR::AEHA: + lcd.printf("AEHA "); + break; + case RemoteIR::AEHA_REPEAT: + lcd.printf("AEHA (R)"); + break; + case RemoteIR::SONY: + lcd.printf("SONY "); + break; + } +} + +/** + * Display a data. + * + * @param buf Pointer to a buffer. + * @param bitlength Bit length of a data. + */ +void display_data(uint8_t *buf, int bitlength) { + lcd.locate(0, 1); + const int n = bitlength / 8 + (((bitlength % 8) != 0) ? 1 : 0); + for (int i = 0; i < n; i++) { + lcd.printf("%02X", buf[i]); + } + for (int i = 0; i < 8 - n; i++) { + lcd.printf("--"); + } +} + +void ledfunc(void) { + led = led + 1; +} + +/** + * Entry point. + */ +int main(void) { + + ledTicker.attach(&ledfunc, 0.5); + + /* + * Splash. + */ + splash(); + + /* + * Initialize. + */ + led = 0; + lcd.cls(); + lcd.locate(0, 0); + lcd.printf("Press a button "); + lcd.locate(0, 1); + lcd.printf("on a controller."); + + /* + * Execute. + */ + while (1) { + uint8_t buf1[32]; + uint8_t buf2[32]; + int bitlength1; + int bitlength2; + RemoteIR::Format format; + + //lcd.cls(); + memset(buf1, 0x00, sizeof(buf1)); + memset(buf2, 0x00, sizeof(buf2)); + + { + bitlength1 = receive(&format, buf1, sizeof(buf1)); + if (bitlength1 < 0) { + continue; + } + display_status("RECV", bitlength1); + display_data(buf1, bitlength1); + display_format(format); + } + +#if TEST_LOOP_BACK + { + bitlength1 = transmit(format, buf1, bitlength1); + if (bitlength1 < 0) { + continue; + } + display_status("TRAN", bitlength1); + display_data(buf1, bitlength1); + display_format(format); + } + + wait_ms(100); + + { + bitlength2 = receive(&format, buf2, sizeof(buf2)); + if (bitlength2 < 0) { + continue; + } + display_status("RECV", bitlength2); + display_data(buf2, bitlength2); + display_format(format); + } + + wait_ms(100); + + { + for (int i = 0; i < sizeof(buf1); i++) { + if (buf1[i] != buf2[i]) { + display_status("Compare err."); + wait(1); + continue; + } + } + } +#endif + } +} \ No newline at end of file