diff options
author | Jean-François Milants <jf@codingfield.com> | 2021-07-11 16:55:06 +0200 |
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committer | Jean-François Milants <jf@codingfield.com> | 2021-07-11 16:55:06 +0200 |
commit | e21f6a7f414d1f832e8fddfeaab3b9de05aa3459 (patch) | |
tree | a4ebbc3a74ba7daf87aa99c0eafcb0e9e7bc6c35 /src/components/battery/BatteryController.cpp | |
parent | 6a91b83b12ef849f68d54f490153b02f0ecf58dc (diff) |
Notify battery level every 10 minutes when connected to a BLE host.
Refactor battery percent : only use uint8_t to store the battery % remaining.
Diffstat (limited to 'src/components/battery/BatteryController.cpp')
-rw-r--r-- | src/components/battery/BatteryController.cpp | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/src/components/battery/BatteryController.cpp b/src/components/battery/BatteryController.cpp index 76ad8cb3..fa476ea3 100644 --- a/src/components/battery/BatteryController.cpp +++ b/src/components/battery/BatteryController.cpp @@ -1,9 +1,7 @@ #include "BatteryController.h" #include <hal/nrf_gpio.h> #include <nrfx_saadc.h> -#include <libraries/log/nrf_log.h> #include <algorithm> -#include <math.h> using namespace Pinetime::Controllers; @@ -18,7 +16,6 @@ void Battery::Init() { } void Battery::Update() { - isCharging = !nrf_gpio_pin_read(chargingPin); isPowerPresent = !nrf_gpio_pin_read(powerPresentPin); @@ -33,13 +30,13 @@ void Battery::Update() { nrfx_saadc_sample(); } -void Battery::adcCallbackStatic(nrfx_saadc_evt_t const* event) { +void Battery::AdcCallbackStatic(nrfx_saadc_evt_t const* event) { instance->SaadcEventHandler(event); } void Battery::SaadcInit() { nrfx_saadc_config_t adcConfig = NRFX_SAADC_DEFAULT_CONFIG; - APP_ERROR_CHECK(nrfx_saadc_init(&adcConfig, adcCallbackStatic)); + APP_ERROR_CHECK(nrfx_saadc_init(&adcConfig, AdcCallbackStatic)); nrf_saadc_channel_config_t adcChannelConfig = {.resistor_p = NRF_SAADC_RESISTOR_DISABLED, .resistor_n = NRF_SAADC_RESISTOR_DISABLED, @@ -55,7 +52,6 @@ void Battery::SaadcInit() { } void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) { - const uint16_t battery_max = 4180; // maximum voltage of battery ( max charging voltage is 4.21 ) const uint16_t battery_min = 3200; // minimum voltage of battery before shutdown ( depends on the battery ) @@ -69,13 +65,10 @@ void Battery::SaadcEventHandler(nrfx_saadc_evt_t const* p_event) { // reference_voltage is 0.6V // p_event->data.done.p_buffer[0] = (adc_voltage / reference_voltage) * 1024 voltage = p_event->data.done.p_buffer[0] * 6000 / 1024; - percentRemaining = (voltage - battery_min) * 100 / (battery_max - battery_min); - percentRemaining = std::max(percentRemaining, 0); percentRemaining = std::min(percentRemaining, 100); - - percentRemainingBuffer.insert(percentRemaining); + percentRemainingBuffer.Insert(percentRemaining); samples++; if (samples > percentRemainingSamples) { |