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IR
Dependencies: mbed TextLCD RemoteIR
Fork of RemoteIR_TestProgram by
main.cpp
- Committer:
- shintamainjp
- Date:
- 2010-09-17
- Revision:
- 3:10d1579b495c
- Parent:
- 2:9e3081533f70
- Child:
- 4:a96406427829
File content as of revision 3:10d1579b495c:
/** * 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 1 ReceiverIR ir_rx(p15); TransmitterIR ir_tx(p21); TextLCD lcd(p24, p26, p27, p28, p29, p30); BusOut led(LED4, LED3, LED2, LED1); Ticker ledTicker; /** * 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 * 8); } /** * 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. */ lcd.cls(); lcd.locate(0, 0); lcd.printf("RemoteIR "); lcd.locate(0, 1); lcd.printf("Program example."); wait(3); /* * 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; 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 wait_ms(100); { 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("CPERR", bitlength2); wait(1); continue; } } } #endif } }