Diff: power_up.cpp

Revision:

0:c928c2d8bd02

Child:

1:acf14b6dd1be

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/power_up.cpp	Wed May 02 01:34:55 2012 +0000
@@ -0,0 +1,87 @@
+#include "power_up.h"
+using namespace std;
+
+#define ADDR 0x98 //change to 94 or 98 if doesn't work
+#define POWER_UP_TIME 1
+
+I2C i2c(p9, p10);       //sda, scl
+DigitalOut ADDR0(p6);   //ADDR0 in DAC
+//Serial pc(USBTX, USBRX);//tx, rx => for debugging purposes
+DigitalOut power_indicator (LED1);
+DigitalOut power_error_indicator (LED4);
+DigitalOut LDAC_BAR(p7);
+DigitalOut CLR_BAR(p5);
+
+void power(const int A, char CA, char MSDB, char LSDB) {
+    int state;
+    char data[3];
+    data[0]=CA;
+    data[1]=MSDB;
+    data[2]=LSDB;
+    debugPower();
+    power_error_indicator = 1;
+    //pc.printf ("%X\n", A);
+    while (i2c.write(A,data,3,false)) {
+    }
+    power_error_indicator = 0;
+}
+
+void powerUp() {
+    power(ADDR,0x31,0x8B,0xA0) ;  //update channel B 1.8V    DVDD2
+    wait(POWER_UP_TIME);
+    power(ADDR,0x37,0x4D,0x90) ;  //update channel H 1V      AVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x35,0x26,0xC0) ;  //update channel F 0.5V    AVDD2
+    wait(POWER_UP_TIME);
+    power(ADDR,0x34,0x4D,0x90) ;  //update channel E 1V      WRAPPERVD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x32,0x4D,0x90) ;  //update channel C 1V      COREVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x30,0x4D,0x90) ;  //update channel A 1V      SRAMVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x36,0x4D,0x90) ;  //update channel G 1V      SENSEVDD
+    wait(POWER_UP_TIME);
+    power_indicator = 1;
+    power(ADDR,0x33,0xFF,0xF0) ;  //update channel D 3.3V    DVDD
+    wait(POWER_UP_TIME);
+}
+void powerDown() {
+    power(ADDR,0x33,0x00,0x00) ;  //update channel D 3.3V    DVDD
+    wait(POWER_UP_TIME);
+    power_indicator = 0;
+    power(ADDR,0x37,0x00,0x00) ;  //update channel H 1V      AVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x35,0x00,0x00) ;  //update channel F 0.5V    AVDD2
+    wait(POWER_UP_TIME);
+    power(ADDR,0x34,0x00,0x00) ;  //update channel E 1V      WRAPPERVD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x32,0x00,0x00) ;  //update channel C 1V      COREVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x30,0x00,0x00) ;  //update channel A 1V      SRAMVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x36,0x00,0x00) ;  //update channel G 1V      SENSEVDD
+    wait(POWER_UP_TIME);
+    power(ADDR,0x31,0x00,0x00) ;  //update channel B 1.8V    DVDD2
+    wait(POWER_UP_TIME);
+}
+
+void powerReset() {
+    power_indicator = 0;
+    CLR_BAR = 0;
+    ADDR0 = 0;
+    LDAC_BAR = 0;
+    CLR_BAR = 1;
+}
+
+void debugPower() {
+    char data[3];
+    data[0]=0x31;
+    data[1]=0x8B;
+    data[2]=0xA0;
+    int A = 0;
+    for (A = 0; A<=0xFF; A++) {
+        if (i2c.write(A,data,3,false)==0) {
+            //pc.printf ("%X\n", A);
+        }
+    }
+}
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