Diff: Skool_keypad.cpp

Revision:

0:6ce746e9ad82

diff -r 000000000000 -r 6ce746e9ad82 Skool_keypad.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Skool_keypad.cpp	Fri Oct 02 22:05:45 2015 +0000
@@ -0,0 +1,51 @@
+#include "mbed.h"
+#include "serial_lcd.h"
+#include "pc_uart.h"
+#include "keypad.h"
+
+PwmOut speaker(PB_4);               // Speaker
+extern uint32_t Index;
+extern uint32_t new_key;
+
+int main()
+{
+    int key;
+    int prev_key = 0;
+
+    Init_keypad();
+    init_ser_lcd();
+    write_ser_lcd(0x80, false);     // set DDRAM addr to 0x00, beginning of 1st line
+    wait_us(30);
+
+    speaker.period((float)(1.0f/432.0f));
+
+    while (1) {
+
+        key = Poll_keypad_full();
+        speaker = 0.5;
+        wait(0.1);
+        speaker = 0;
+        write_ser_lcd((char)key,true);
+        if (key == '*') {
+            if (prev_key == '*') {
+                write_ser_lcd(0xC0, false);
+            }
+        }
+        if (key == '#') {
+            if (prev_key == '#') {
+                write_ser_lcd(0x01, false);     // Clear display
+                wait_us(1100);
+                write_ser_lcd(0x06, false);     // Entry mode set
+                wait_us(30);
+                write_ser_lcd(0x0C, false);     // Display ON, Cursor OFF, Blink OFF
+                wait_us(30);
+                write_ser_lcd(0x80, false);     // set DDRAM addr to 0x00, beginning of 1st line
+                wait_us(30);
+            }
+        }
+
+        prev_key = key;
+
+    }
+}
+