crashtest-r0ket/firmware/l0dable/voltage.c

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#include <sysinit.h>
#include <string.h>
#include "basic/basic.h"
#include "basic/config.h"
#include "lcd/render.h"
#include "lcd/print.h"
#include "usetable.h"
/**************************************************************************/
// Improved version by Ikarus:
// Fixed 4.xxV --> 4.0xxV output problem
// & added graphical battery.
// hLine and vLine code from Juna, nougad and fu86
// (camp 2011, CTHN Village)
void hLine(int y, int x1, int x2, bool pixel);
void vLine(int x, int y1, int y2, bool pixel);
void rectFill(int x, int y, int width, int heigth, bool pixel);
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void ram(void) {
int v,mv,c,c_old=0,mv_old=0;
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do{
c = gpioGetValue(RB_PWR_CHRG);
mv = GetVoltage();
// Need repaint?
if (c != c_old || mv != mv_old) {
c_old = c;
mv_old = mv;
lcdClear();
lcdPrintln("Battery status:");
v = mv/1000;
// Draw battery frame.
hLine(20, 14, 72, true);
hLine(40, 14, 72, true);
vLine(14, 20, 40, true);
vLine(72, 20, 25, true);
vLine(72, 35, 40, true);
hLine(25, 72, 78, true);
hLine(35, 72, 78, true);
vLine(78, 25, 35, true);
// Print and draw status.
if(!c){
lcdNl();
DoString(17, 26, "Charging");
}else if (mv<3550){
lcdPrintln(" Charge NOW!");
}else if (mv<3650){
lcdPrintln(" Charge soon");
rectFill(16, 22, 12, 16, true);
}else if (mv<4000){
lcdPrintln(" OK");
rectFill(16, 22, 12, 16, true);
rectFill(30, 22, 12, 16, true);
}else if (mv<4120){
lcdPrintln(" Good");
rectFill(16, 22, 12, 16, true);
rectFill(30, 22, 12, 16, true);
rectFill(44, 22, 12, 16, true);
}else{
lcdPrintln(" Full");
rectFill(16, 22, 12, 16, true);
rectFill(30, 22, 12, 16, true);
rectFill(44, 22, 12, 16, true);
rectFill(58, 22, 12, 16, true);
};
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// Print voltage.
lcdNl();
lcdNl();
lcdNl();
lcdNl();
lcdPrint(" ");
lcdPrint(IntToStr(v,2,0));
lcdPrint(".");
lcdPrint(IntToStr(mv%1000, 3, F_ZEROS | F_LONG));
lcdPrintln("V");
// Print if not charging.
if(c){
lcdPrintln("(not charging)");
};
lcdRefresh();
}
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} while ((getInputWaitTimeout(242))==BTN_NONE);
}
void hLine(int y, int x1, int x2, bool pixel) {
for (int i=x1; i<=x2; ++i) {
lcdSetPixel(i, y, pixel);
}
}
void vLine(int x, int y1, int y2, bool pixel) {
for (int i=y1; i<=y2; ++i) {
lcdSetPixel(x, i, pixel);
}
}
void rectFill(int x, int y, int width, int heigth, bool pixel) {
for (int i=y; i<=y+heigth; ++i) {
hLine(i, x, x+width, pixel);
}
}