diff options
Diffstat (limited to 'keyboards/handwired/promethium/promethium.c')
-rw-r--r-- | keyboards/handwired/promethium/promethium.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/keyboards/handwired/promethium/promethium.c b/keyboards/handwired/promethium/promethium.c index 63139ac09d..c94a27a4de 100644 --- a/keyboards/handwired/promethium/promethium.c +++ b/keyboards/handwired/promethium/promethium.c @@ -1,16 +1,15 @@ -#include "promethium.h" -#include "analog.h" +#include "keyboard.h" #include "timer.h" -#include "matrix.h" -#include "bluefruit_le.h" +#include "battery.h" -// 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} +#ifndef BATTERY_POLL +# define BATTERY_POLL 30000 +#endif uint8_t battery_level(void) { - float voltage = bluefruit_le_read_battery_voltage() * 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; + // maintain legacy behaviour and scale 0-100 percent to 0-255 + uint16_t percent = battery_get_percent(); + return (percent * 255) / 100; } __attribute__ ((weak)) |