Diff: main.cpp

Revision:

0:bbf506cfcdd9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon May 18 00:49:57 2015 +0000
@@ -0,0 +1,99 @@
+#include "LS013B7DH03.h"
+#include "mbed_logo.h"
+/******************** Define I/O *****************************/
+DigitalOut myled(LED1);
+
+#if defined(TARGET_EFM32ZG_STK3200)
+#define SCK_PIN     PC15
+#define MOSI_PIN    PD7
+#define CS_PIN      PE11
+#define EXTCOM_PIN  PE10
+#define DISP_PIN    PA10
+#define DISPSEL_PIN PA8
+#elif defined (TARGET_EFM32HG_STK3400)
+#define SCK_PIN     PE12
+#define MOSI_PIN    PE10
+#define CS_PIN      PA10
+#define EXTCOM_PIN  PF3
+#define DISP_PIN    PA8
+#define DISPSEL_PIN NC
+#else
+#error "undefined pinout"
+#endif
+ 
+DigitalOut CS(CS_PIN);
+DigitalOut EXTCOM(EXTCOM_PIN);
+DigitalOut DISP(DISP_PIN);
+DigitalOut DISP_SEL(DISPSEL_PIN);
+ 
+SPI displaySPI(MOSI_PIN, NC, SCK_PIN);
+silabs::LS013B7DH03 display(&displaySPI, &CS, &EXTCOM);
+
+/******************** Define Timers *****************************/
+ 
+LowPowerTicker timeKeeping;
+ 
+/***************** Define global variables **********************/
+#define INIT_SECONDS        17600
+ 
+volatile uint32_t prevSeconds = INIT_SECONDS, seconds = INIT_SECONDS;
+volatile bool refreshed = false;
+ 
+/***************** Define callback handlers *********************/
+void secondsCallback(void);
+void refreshCallback(void);
+ 
+void secondsCallback(void) {
+    seconds++;
+}
+ 
+/**
+ * Callback for refresh completion
+ */
+void refreshCallback(void) {
+    refreshed = true;
+}
+ 
+/*************************** MAIN *******************************/
+int main() {
+    // Enable the LCD
+    DISP_SEL = 1;
+    DISP = 1;
+ 
+    // Start generating the 1Hz call for keeping time
+    timeKeeping.attach(&secondsCallback, 1.0f);
+ 
+    // Reset the LCD to a blank state. (All white)
+    refreshed = false;
+    display.clearImmediate(refreshCallback);
+    while(refreshed == false) sleep();
+ 
+    printf("Initialization done! \n");
+ 
+    // Apply mbed logo bitmap to the pixel buffer
+    display.showBMP((uint8_t*)mbed_enabled_logo, 128, 128, 0, 0);
+    display.printf("I like MBED!");
+ 
+    // Push update to the display
+    refreshed = false;
+    display.update(refreshCallback);
+ 
+    // Sleep while doing the transmit
+    while(refreshed == false) sleep();
+ 
+    // Go into clock mode
+    while(1) {
+        sleep();
+ 
+        // In clock mode, only update once per second
+        if(prevSeconds != seconds) {
+            display.locate(4,15);
+            display.printf("%02d:%02d:%02d", (seconds / 1200) % 24, (seconds / 60) % 60, seconds % 60);
+            if(refreshed == true) {
+                prevSeconds = seconds;
+                refreshed = false;
+                display.update(refreshCallback);
+            }
+        }
+    }
+}
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