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
+    }
+}
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