Revision 0:49551c775fc5, committed 2013-01-17

Comitter:

okini3939

Date:

Thu Jan 17 13:49:36 2013 +0000

Commit message:

1st build

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LEDTape.cpp	Thu Jan 17 13:49:36 2013 +0000
@@ -0,0 +1,83 @@
+/*
+ * UCS1903 tape led IC
+ */
+#include "mbed.h"
+#include "LEDTape.h"
+
+SPI tape(p11, p12, p13);
+
+//#define tape_write(d) tape.write(d)
+#ifndef tape_write
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+void tape_write (int d) {
+    while (! (LPC_SSP0->SR & (1<<1))); // TNF
+    LPC_SSP0->DR = d;
+}
+#elif defined(TARGET_LPC11U24)
+void tape_write (int d) {
+    while (! (LPC_SSP1->SR & (1<<1))); // TNF
+    LPC_SSP1->DR = d;
+}
+#endif
+#endif
+
+void tapeReset (int flag) {
+    int i;
+
+    __disable_irq();
+#if defined(TARGET_LPC1768) || defined(TARGET_LPC2368)
+    if (flag) {
+        while ((LPC_SSP0->SR & ((1<<4)|(1<<0))) != (1<<0)); // BSY, TFE
+        LPC_PINCON->PINSEL1 &= ~(0x03<<4);  // GPIO
+        LPC_GPIO0->FIODIR0 |= (1<<18);
+        LPC_GPIO0->FIOSET0 = (1<<18);
+    } else {
+        for (i = 0; i < 4; i ++) {
+            tape_write(0x1f);
+        }
+        LPC_PINCON->PINSEL1 &= ~(0x03<<4);
+        LPC_PINCON->PINSEL1 |= (0x02<<4);  // SSP MOSI
+    }
+#elif defined(TARGET_LPC11U24)
+    if (flag) {
+        while ((LPC_SSP1->SR & ((1<<4)|(1<<0))) != (1<<0)); // BSY, TFE
+        LPC_IOCON->PIO1_22 &= ~0x07;    // GPIO
+        LPC_GPIO->DIR[1] |= (1<<22);
+        LPC_GPIO->SET[1] |= (1<<22);
+    } else {
+        for (i = 0; i < 4; i ++) {
+            tape_write(0x1f);
+        }
+        LPC_IOCON->PIO1_22 &= ~0x07;    
+        LPC_IOCON->PIO1_22 |= 0x02;     // SSP MOSI
+    }
+#endif
+    __enable_irq();
+}
+
+void tapeSend (int dat) {
+    int b;
+
+    __disable_irq();
+    for (b = 0x800000; b; b = b >> 1) {
+        if (dat & b) {
+            // 1
+            tape_write(0x01);
+        } else {
+            // 0
+            tape_write(0x0f);
+        }
+    }
+    __enable_irq();
+}
+
+void tapeInit (int freq) {
+    tape.format(5, 1);
+    if (freq) {
+        tape.frequency(freq * 1000);
+    } else {
+        // high speed (800kbps)
+        tape.frequency(4000000);
+    }
+    tapeReset(1);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LEDTape.h	Thu Jan 17 13:49:36 2013 +0000
@@ -0,0 +1,10 @@
+/*
+ * UCS1903 tape led IC
+ */
+ 
+//#define TEST
+
+void tape_write (int d);
+void tapeReset (int flag);
+void tapeSend (int dat);
+void tapeInit (int speed);

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jan 17 13:49:36 2013 +0000
@@ -0,0 +1,39 @@
+/*
+ * UCS1903 tape led IC
+ */
+#include "mbed.h"
+#include "LEDTape.h"
+
+DigitalOut led1(LED1), led2(LED2), led3(LED3), led4(LED4);
+
+int main() {
+    int i, j, k = 0;
+
+    tapeInit(0);
+    led1 = 1;
+
+    tapeReset(1);
+    wait(0.1);
+    while(1) {
+        for (i = 0; i < 256; i ++) {
+            led2 = 1;
+            tapeReset(0);
+            for (j = 0; j < k; j ++) {
+                tapeSend(0);
+            }
+            tapeSend(i); // G
+            tapeSend(0);
+            tapeSend(i << 8); // B
+            tapeSend(0);
+            tapeSend(i << 16); // R
+            tapeSend(0);
+            tapeSend(i | (i << 8) | (i << 16));
+            tapeSend(0);
+            tapeReset(1);
+            led2 = 0;
+            k ++;
+            if (k >= 100) k = 0;
+            wait_ms(10);
+        }
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Thu Jan 17 13:49:36 2013 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/63cdd78b2dc1
\ No newline at end of file