Revision 0:8b80ef8581d3, committed 2010-10-17

Comitter:

okini3939

Date:

Sun Oct 17 07:55:24 2010 +0000

Commit message:

Changed in this revision

diff -r 000000000000 -r 8b80ef8581d3 G7Digits.c
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/G7Digits.c	Sun Oct 17 07:55:24 2010 +0000
@@ -0,0 +1,94 @@
+/*
+ * mbed library to use a 4 Digits Shield
+ * Copyright (c) 2010 Hiroshi Suga
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+
+#include "mbed.h"
+#include "G7Digits.h"
+
+G7Digits::G7Digits(int p_beta) : g7d_d0(G7DIGITS_D0), g7d_d1(G7DIGITS_D1), g7d_d2(G7DIGITS_D2), g7d_d3(G7DIGITS_D3), g7d_dp(G7DIGITS_DP), g7d_com0(G7DIGITS_COM0), g7d_com1(G7DIGITS_COM1), g7d_en(G7DIGITS_EN) {
+    beta = p_beta;
+
+    digit_count = 0;
+    digit_num = 0;
+    digit_dot = 0;
+    digit_ctrl = 0x0f;
+}
+
+void G7Digits::begin() {
+    int_g7d.attach(this, &G7Digits::int_g7digits, 0.0025);
+}
+
+void G7Digits::int_g7digits() {
+    int n;
+
+    g7d_en = 0;
+
+    if (beta) {
+        if (digit_count == 0) {
+            g7d_com0 = 0;
+            g7d_com1 = 0;
+        } else
+        if (digit_count == 1) {
+            g7d_com0 = 1;
+            g7d_com1 = 1;
+        } else
+        if (digit_count == 2) {
+            g7d_com0 = 0;
+            g7d_com1 = 1;
+        } else
+        if (digit_count == 3) {
+            g7d_com0 = 1;
+            g7d_com1 = 0;
+        }
+    } else {
+        g7d_com0 = (digit_count & 0x01) ? 1 : 0;
+        g7d_com1 = (digit_count & 0x02) ? 1 : 0;
+    }
+
+    n = (digit_num >> (12 - (4 * digit_count))) & 0x0f;
+    g7d_d0 = (n & 0x01) ? 1 : 0;
+    g7d_d1 = (n & 0x02) ? 1 : 0;
+    g7d_d2 = (n & 0x04) ? 1 : 0;
+    g7d_d3 = (n & 0x08) ? 1 : 0;
+
+    if (digit_dot & (1 << digit_count)) {
+        digit_pin = g7d_dp.read();
+        g7d_dp = 0;
+        g7d_dp.output();
+    } else {
+        if (digit_pin || g7d_dp.read()) {
+            g7d_dp = 1;
+            g7d_dp.output();
+        } else {
+            g7d_dp.input();
+        }
+    }
+
+    if (digit_ctrl & (1 << digit_count))
+        g7d_en = 1;
+
+    digit_count ++;
+    if (digit_count >= 4) digit_count = 0;
+}
+
+int G7Digits::write (int num)
+{
+    digit_num = num % 10;
+    digit_num |= ((num / 10) % 10) << 4;
+    digit_num |= ((num / 100) % 10) << 8;
+    digit_num |= (unsigned int)((num / 1000) % 10) << 12;
+
+    return digit_num;
+}
+
+void G7Digits::ctrl (char d1, char d2, char d3, char d4)
+{
+    digit_ctrl = (d1 ? 1 : 0) | (d2 ? 2 : 0) | (d3 ? 4 : 0) | (d4 ? 8 : 0);
+}
+
+void G7Digits::dot (char d1, char d2, char d3, char d4)
+{
+    digit_dot = (d1 ? 1 : 0) | (d2 ? 2 : 0) | (d3 ? 4 : 0) | (d4 ? 8 : 0);
+}

diff -r 000000000000 -r 8b80ef8581d3 G7Digits.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/G7Digits.h	Sun Oct 17 07:55:24 2010 +0000
@@ -0,0 +1,57 @@
+/*
+ * mbed library to use a I2C LCD
+ * Copyright (c) 2010 Hiroshi Suga
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+ 
+#ifndef G7Digits_H
+#define G7Digits_H
+
+#include "mbed.h"
+
+#define G7DIGITS_LED1 p5
+#define G7DIGITS_LED2 p25
+#define G7DIGITS_LED3 p24
+#define G7DIGITS_SW1 p29
+#define G7DIGITS_SW2 p11
+#define G7DIGITS_SW3 p30
+#define G7DIGITS_BZ p21
+
+#define G7DIGITS_D0 p23
+#define G7DIGITS_D1 p12
+#define G7DIGITS_D2 p6
+#define G7DIGITS_D3 p7
+#define G7DIGITS_DP p5
+#define G7DIGITS_COM0 p27
+#define G7DIGITS_COM1 p28
+#define G7DIGITS_EN p22
+
+#define G7DIGITS_VR1 p15
+#define G7DIGITS_VR2 p16
+#define G7DIGITS_VR3 p17
+#define G7DIGITS_PHOTO p18
+#define G7DIGITS_TEMP p19
+#define G7DIGITS_VOLT p20
+
+class G7Digits : public Base {
+public:
+    G7Digits(int p_beta = 0);
+
+    void begin();
+    int write(int);
+    void ctrl(char, char, char, char);
+    void dot(char, char, char, char);
+
+private:
+    Ticker int_g7d;
+    DigitalOut g7d_d0, g7d_d1, g7d_d2, g7d_d3, g7d_com0, g7d_com1, g7d_en;
+    DigitalInOut g7d_dp;
+
+    int beta;
+    volatile int digit_count, digit_dot, digit_ctrl, digit_pin;
+    volatile unsigned int digit_num;
+
+    void int_g7digits();
+};
+
+#endif
\ No newline at end of file

diff -r 000000000000 -r 8b80ef8581d3 main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Oct 17 07:55:24 2010 +0000
@@ -0,0 +1,21 @@
+#include "mbed.h"
+#include "G7Digits.h"
+
+DigitalIn g7d_sw1(G7DIGITS_SW1);
+AnalogIn g7d_vr1(G7DIGITS_VR1);
+G7Digits g7digits(1);
+
+int main() {
+    g7digits.begin();
+
+    for (int i = 0; i < 10000; i ++) {
+        g7digits.write(i);
+        wait(0.01);
+    }
+
+    for (;;) {
+        if (g7d_sw1) break;
+        g7digits.write(g7d_vr1 * 1023);
+        wait(0.1);
+    }
+}

diff -r 000000000000 -r 8b80ef8581d3 mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Sun Oct 17 07:55:24 2010 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e