opensteno_qmk/keyboards/handwired/promethium/promethium.c
Priyadi Iman Nurcahyo 93b2f23bba Promethium rev2
* 10 more indicator LEDs
* Piezo buzzer
* Uses HC138 decoder to free up 5 pins
* Trackpoint buttons are now part of matrix
2017-04-19 01:38:08 +07:00

47 lines
1.1 KiB
C

#include "promethium.h"
#include "analog.h"
#include "timer.h"
#include "matrix.h"
#include "musical_notes.h"
float fauxclicky_pressed_note[2] = MUSICAL_NOTE(_F3, .03125);
float fauxclicky_released_note[2] = MUSICAL_NOTE(_C3, .03125);
float fauxclicky_beep_note[2] = MUSICAL_NOTE(_C3, .03125);
// cubic fit {3.3, 0}, {3.5, 2.9}, {3.6, 5}, {3.7, 8.6}, {3.8, 36}, {3.9, 62}, {4.0, 73}, {4.05, 83}, {4.1, 89}, {4.15, 94}, {4.2, 100}
uint8_t battery_level(void) {
float voltage = analogRead(BATTERY_PIN) * 2 * 3.3 / 1024;
if (voltage < MIN_VOLTAGE) return 0;
if (voltage > MAX_VOLTAGE) return 255;
return (voltage - MIN_VOLTAGE) / (MAX_VOLTAGE - MIN_VOLTAGE) * 255;
}
__attribute__ ((weak))
void battery_poll(uint8_t level) {
}
void matrix_init_kb(void) {
matrix_init_user();
}
void matrix_scan_kb(void) {
static uint16_t counter = BATTERY_POLL;
counter++;
if (counter > BATTERY_POLL) {
counter = 0;
battery_poll(battery_level());
}
matrix_scan_user();
}
void led_set_kb(uint8_t usb_led) {
led_set_user(usb_led);
}
__attribute__ ((weak))
void led_set_user(uint8_t usb_led) {
}