From d16dd1e2dd310beba05d7e42db1382bff5e17581 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Mon, 13 Jun 2011 01:03:52 +0200
Subject: [PATCH] added module to test adc

---
 basic/basic.c |   1 +
 modules/adc.c | 102 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 103 insertions(+)
 create mode 100644 modules/adc.c

diff --git a/basic/basic.c b/basic/basic.c
index 91288df..51d8e69 100644
--- a/basic/basic.c
+++ b/basic/basic.c
@@ -44,6 +44,7 @@ void rbInit() {
     gpioSetDir(RB_LED3, gpioDirection_Output);
     gpioSetValue (RB_LED3, 1); 
 
+    IOCON_PIO1_11 = 0x41;
 
     // prepare IR
     //gpioSetDir(RB_IROUT, gpioDirection_Output);
diff --git a/modules/adc.c b/modules/adc.c
new file mode 100644
index 0000000..0d94a72
--- /dev/null
+++ b/modules/adc.c
@@ -0,0 +1,102 @@
+#include <sysinit.h>
+
+#include "basic/basic.h"
+
+#include "lcd/render.h"
+#include "lcd/backlight.h"
+#include "lcd/allfonts.h"
+void ReinvokeISP(void);
+
+/**************************************************************************/
+
+void module_adc(void) {
+    int yctr = 18;
+    int dx = 0;
+    uint32_t brightness = 0;
+    uint8_t c = 0;
+
+    font_direction = FONT_DIR_LTR; // LeftToRight is the default
+    font = &Font_7x8;
+
+    DoString(0, 0, "adc");
+
+    backlightInit();
+    brightness = backlightGetBrightness();
+
+    while (1) {
+        uint32_t results;
+        lcdDisplay(0);
+        delayms(10);
+
+        if(gpioGetValue(RB_BTN1)==0){
+            brightness++;
+            if (brightness > 100) brightness = 100;
+            backlightSetBrightness(brightness);
+        }
+
+        if(gpioGetValue(RB_BTN0)==0){
+            brightness--;
+            if (brightness > 100) brightness = 0;
+            backlightSetBrightness(brightness);
+        }
+
+        if (gpioGetValue(RB_BTN3) == 0) {
+            while(gpioGetValue(RB_BTN3)==0);
+            lcdInvert();
+        }
+
+        if (gpioGetValue(RB_BTN4)==0) {
+            while(gpioGetValue(RB_BTN4)==0);
+            DoString(0,8,"Enter ISP!");
+            lcdDisplay(0);
+            EnableWatchdog(1000*5);
+            ReinvokeISP();
+
+        }
+
+        dx = DoString(0, yctr, "Bright:");
+        dx = DoInt(dx, yctr, brightness);
+        DoString(dx, yctr, "%   ");
+
+        results = adcRead(1);
+        dx=DoString(0,yctr+20,"Voltage:");
+        results *= 10560;
+        results /= 1024;
+        DoInt(dx,yctr+20,results);
+
+        if (results < 3500) {
+            DoString(0,yctr+30,"Shutdown");
+            gpioSetValue (RB_PWR_GOOD, 0); 
+            gpioSetValue (RB_LCD_BL, 0); 
+            SCB_SCR |= SCB_SCR_SLEEPDEEP;
+            PMU_PMUCTRL = PMU_PMUCTRL_DPDEN_DEEPPOWERDOWN;
+            __asm volatile ("WFI");
+        } else if (results < 3550 ){
+            DoString(0,yctr+30,"Warning      ");
+            IOCON_PIO1_11 = 0x0;
+            gpioSetDir(RB_LED3, gpioDirection_Output);
+            c++;
+            if( c == 1 )
+                gpioSetValue (RB_LED3, 1);
+            else if( c == 2 )
+                gpioSetValue (RB_LED3, 0);
+            else if( c == 10 )
+                c = 0;
+        }else {
+            DoString(0,yctr+30,"OK           ");
+        }
+        results = adcRead(7);
+        dx=DoString(0,yctr+40,"Sun:");
+        DoInt(dx,yctr+40,results);
+
+        if( results > 340 ){
+            backlightSetBrightness(0);
+        }else{
+            backlightSetBrightness(33); 
+        }
+            
+    }
+
+    return;
+}
+