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:
// 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 drawCommonThings(int c);
void rectFill(int x, int y, int width, int heigth, bool pixel);
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void ram(void) {
int v,mv,c;
char old_state=-1;
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do{
c = gpioGetValue(RB_PWR_CHRG);
mv = GetVoltage();
// Print state and draw battery (only if state changed).
if(!c && old_state != 0){
drawCommonThings(c);
DoString(17, 29, "Charging");
old_state = 0;
}else if (c && mv<3550 && old_state != 1){
drawCommonThings(c);
lcdPrintln(" Charge NOW!");
old_state = 1;
}else if (c && mv<3650 && mv>=3550 && old_state != 2){
drawCommonThings(c);
lcdPrintln(" Charge soon");
rectFill(16, 25, 12, 16, true);
old_state = 2;
}else if (c && mv<4000 && mv>=3650 && old_state != 3){
drawCommonThings(c);
lcdPrintln(" OK");
rectFill(16, 25, 12, 16, true);
rectFill(30, 25, 12, 16, true);
old_state = 3;
}else if (c && mv<4120 && mv>=4000 && old_state != 4){
drawCommonThings(c);
lcdPrintln(" Good");
rectFill(16, 25, 12, 16, true);
rectFill(30, 25, 12, 16, true);
rectFill(44, 25, 12, 16, true);
old_state = 4;
}else if (c && mv>=4120 && old_state != 5){
drawCommonThings(c);
lcdPrintln(" Full");
rectFill(16, 25, 12, 16, true);
rectFill(30, 25, 12, 16, true);
rectFill(44, 25, 12, 16, true);
rectFill(58, 25, 12, 16, true);
old_state = 5;
}
// Print voltage. (Every frame).
lcdSetCrsr(0, 50);
v = mv/1000;
lcdPrint(" ");
lcdPrint(IntToStr(v,2,0));
lcdPrint(".");
lcdPrint(IntToStr(mv%1000, 3, F_ZEROS | F_LONG));
lcdPrintln("V");
lcdSetCrsr(0, 0);
lcdRefresh();
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} while ((getInputWaitTimeout(242))==BTN_NONE);
}
void drawCommonThings(int c) {
lcdClear();
// Print header.
lcdPrintln("Battery status:");
// Draw battery frame.
hLine(23, 14, 72, true);
hLine(43, 14, 72, true);
vLine(14, 23, 43, true);
vLine(72, 23, 28, true);
vLine(72, 38, 43, true);
hLine(28, 72, 78, true);
hLine(38, 72, 78, true);
vLine(78, 28, 38, true);
// Print if not charging.
lcdSetCrsr(0, 60);
if(c){
lcdPrintln("(not charging)");
};
lcdSetCrsr(0, 10);
}
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);
}
}