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Remove floating point calculation

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This commit is contained in:
Riku Isokoski 2021-08-01 16:19:09 +03:00
parent 79ee65bfd5
commit 09aaa58710
1 changed files with 2 additions and 2 deletions
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4
src/components/battery/BatteryController.cpp
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@ -61,9 +61,9 @@ void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) {
// A hardware voltage divider divides the battery voltage by 2 // A hardware voltage divider divides the battery voltage by 2
// ADC gain is 1/4 // ADC gain is 1/4
// thus adc_voltage = battery_voltage / 2 * gain = battery_voltage / 8 // thus adc_voltage = battery_voltage / 2 * gain = battery_voltage / 8
// reference_voltage is 0.6V // reference_voltage is 600mV
// p_event->data.done.p_buffer[0] = (adc_voltage / reference_voltage) * 1024 // p_event->data.done.p_buffer[0] = (adc_voltage / reference_voltage) * 1024
voltage = p_event->data.done.p_buffer[0] * (0.6 * 8 * 1000) / 1024; voltage = p_event->data.done.p_buffer[0] * (8 * 600) / 1024;
if (voltage > battery_max) { if (voltage > battery_max) {
percentRemaining = 100; percentRemaining = 100;