Files
ttgo_smartwatch_prox/src/hardware/pmu.cpp
2020-08-11 14:32:27 +02:00

288 lines
8.5 KiB
C++

#include "config.h"
#include <TTGO.h>
#include <soc/rtc.h>
#include "json_config_psram_allocator.h"
#include "display.h"
#include "pmu.h"
#include "powermgm.h"
#include "motor.h"
#include "gui/statusbar.h"
EventGroupHandle_t pmu_event_handle = NULL;
void IRAM_ATTR pmu_irq( void );
pmu_config_t pmu_config;
/*
* init the pmu: AXP202
*/
void pmu_setup( TTGOClass *ttgo ) {
pmu_event_handle = xEventGroupCreate();
pmu_read_config();
// Turn on the IRQ used
ttgo->power->adc1Enable( AXP202_BATT_VOL_ADC1 | AXP202_BATT_CUR_ADC1 | AXP202_VBUS_VOL_ADC1 | AXP202_VBUS_CUR_ADC1, AXP202_ON);
ttgo->power->enableIRQ( AXP202_VBUS_REMOVED_IRQ | AXP202_VBUS_CONNECT_IRQ | AXP202_CHARGING_FINISHED_IRQ | AXP202_TIMER_TIMEOUT_IRQ, AXP202_ON );
ttgo->power->clearIRQ();
// enable coulumb counter
if ( ttgo->power->EnableCoulombcounter() )
log_e("enable coulumb counter failed!");
if ( ttgo->power->setChargingTargetVoltage( AXP202_TARGET_VOL_4_2V ) )
log_e("target voltage set failed!");
if ( ttgo->power->setChargeControlCur( 300 ) )
log_e("charge current set failed!");
if ( ttgo->power->setAdcSamplingRate( AXP_ADC_SAMPLING_RATE_200HZ ) )
log_e("adc sample set failed!");
// Turn off unused power
ttgo->power->setPowerOutPut( AXP202_EXTEN, AXP202_OFF );
ttgo->power->setPowerOutPut( AXP202_DCDC2, AXP202_OFF );
ttgo->power->setPowerOutPut( AXP202_LDO4, AXP202_OFF );
// Turn i2s DAC on
ttgo->power->setLDO3Mode( AXP202_LDO3_MODE_DCIN );
ttgo->power->setPowerOutPut(AXP202_LDO3, AXP202_ON );
pinMode( AXP202_INT, INPUT );
attachInterrupt( AXP202_INT, &pmu_irq, FALLING );
}
/*
* IRQ routine AXP202
*/
void IRAM_ATTR pmu_irq( void ) {
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
/*
* setup an PMU event
*/
xEventGroupSetBitsFromISR( pmu_event_handle, PMU_EVENT_AXP_INT, &xHigherPriorityTaskWoken );
if ( xHigherPriorityTaskWoken ) {
portYIELD_FROM_ISR();
}
}
void pmu_standby( void ) {
TTGOClass *ttgo = TTGOClass::getWatch();
ttgo->power->clearTimerStatus();
if ( pmu_get_silence_wakeup() ) {
if ( ttgo->power->isChargeing() || ttgo->power->isVBUSPlug() ) {
ttgo->power->setTimer( 3 );
log_i("enable silence wakeup timer, 3min");
}
else {
ttgo->power->setTimer( 60 );
log_i("enable silence wakeup timer, 60min");
}
}
if ( pmu_get_experimental_power_save() ) {
ttgo->power->setDCDC3Voltage( 2700 );
log_i("go standby, enable 2.7V standby voltage");
}
else {
ttgo->power->setDCDC3Voltage( 3000 );
log_i("go standby, enable 3.0V standby voltage");
}
ttgo->power->setPowerOutPut(AXP202_LDO3, AXP202_OFF );
}
void pmu_wakeup( void ) {
TTGOClass *ttgo = TTGOClass::getWatch();
if ( pmu_get_experimental_power_save() ) {
ttgo->power->setDCDC3Voltage( 3000 );
log_i("go wakeup, enable 3.0V voltage");
}
else {
ttgo->power->setDCDC3Voltage( 3300 );
log_i("go wakeup, enable 3.3V voltage");
}
ttgo->power->clearTimerStatus();
ttgo->power->offTimer();
ttgo->power->setPowerOutPut( AXP202_LDO3, AXP202_ON );
}
/*
*
*/
void pmu_save_config( void ) {
if ( SPIFFS.exists( PMU_CONFIG_FILE ) ) {
SPIFFS.remove( PMU_CONFIG_FILE );
log_i("remove old binary pmu config");
}
fs::File file = SPIFFS.open( PMU_JSON_CONFIG_FILE, FILE_WRITE );
if (!file) {
log_e("Can't open file: %s!", PMU_JSON_CONFIG_FILE );
}
else {
SpiRamJsonDocument doc( 1000 );
doc["silence_wakeup"] = pmu_config.silence_wakeup;
doc["experimental_power_save"] = pmu_config.experimental_power_save;
doc["compute_percent"] = pmu_config.compute_percent;
if ( serializeJsonPretty( doc, file ) == 0) {
log_e("Failed to write config file");
}
doc.clear();
}
file.close();
}
/*
*
*/
void pmu_read_config( void ) {
if ( SPIFFS.exists( PMU_JSON_CONFIG_FILE ) ) {
fs::File file = SPIFFS.open( PMU_JSON_CONFIG_FILE, FILE_READ );
if (!file) {
log_e("Can't open file: %s!", PMU_JSON_CONFIG_FILE );
}
else {
int filesize = file.size();
SpiRamJsonDocument doc( filesize * 2 );
DeserializationError error = deserializeJson( doc, file );
if ( error ) {
log_e("update check deserializeJson() failed: %s", error.c_str() );
}
else {
pmu_config.silence_wakeup = doc["silence_wakeup"].as<bool>();
pmu_config.experimental_power_save = doc["experimental_power_save"].as<bool>();
pmu_config.compute_percent = doc["compute_percent"].as<bool>();
}
doc.clear();
}
file.close();
}
else {
log_i("no json config exists, read from binary");
fs::File file = SPIFFS.open( PMU_CONFIG_FILE, FILE_READ );
if (!file) {
log_e("Can't open file: %s!", PMU_CONFIG_FILE );
}
else {
int filesize = file.size();
if ( filesize > sizeof( pmu_config ) ) {
log_e("Failed to read configfile. Wrong filesize!" );
}
else {
file.read( (uint8_t *)&pmu_config, filesize );
file.close();
pmu_save_config();
return;
}
file.close();
}
}
}
bool pmu_get_silence_wakeup( void ) {
return( pmu_config.silence_wakeup );
}
void pmu_set_silence_wakeup( bool value ) {
pmu_config.silence_wakeup = value;
pmu_save_config();
}
bool pmu_get_calculated_percent( void ) {
return( pmu_config.compute_percent );
}
bool pmu_get_experimental_power_save( void ) {
return( pmu_config.experimental_power_save );
}
void pmu_set_calculated_percent( bool value ) {
pmu_config.compute_percent = value;
pmu_save_config();
}
void pmu_set_experimental_power_save( bool value ) {
pmu_config.experimental_power_save = value;
pmu_save_config();
}
/*
* loop routine for handling IRQ in main loop
*/
void pmu_loop( TTGOClass *ttgo ) {
static uint64_t nextmillis = 0;
bool updatetrigger = false;
/*
* handle IRQ event
*/
if ( xEventGroupGetBitsFromISR( pmu_event_handle ) & PMU_EVENT_AXP_INT ) {
setCpuFrequencyMhz(240);
if ( powermgm_get_event( POWERMGM_PMU_BATTERY | POWERMGM_PMU_BUTTON | POWERMGM_STANDBY_REQUEST ) ) {
ttgo->power->clearIRQ();
xEventGroupClearBits( pmu_event_handle, PMU_EVENT_AXP_INT );
return;
}
ttgo->power->readIRQ();
if (ttgo->power->isVbusPlugInIRQ()) {
powermgm_set_event( POWERMGM_PMU_BATTERY );
motor_vibe( 1 );
updatetrigger = true;
}
if (ttgo->power->isVbusRemoveIRQ()) {
powermgm_set_event( POWERMGM_PMU_BATTERY );
motor_vibe( 1 );
updatetrigger = true;
}
if (ttgo->power->isChargingDoneIRQ()) {
powermgm_set_event( POWERMGM_PMU_BATTERY );
motor_vibe( 1 );
updatetrigger = true;
}
if (ttgo->power->isPEKShortPressIRQ()) {
updatetrigger = true;
powermgm_set_event( POWERMGM_PMU_BUTTON );
ttgo->power->clearIRQ();
return;
}
if ( ttgo->power->isTimerTimeoutIRQ() ) {
updatetrigger = true;
powermgm_set_event( POWERMGM_SILENCE_WAKEUP_REQUEST );
ttgo->power->clearTimerStatus();
ttgo->power->offTimer();
ttgo->power->clearIRQ();
return;
}
ttgo->power->clearIRQ();
xEventGroupClearBits( pmu_event_handle, PMU_EVENT_AXP_INT );
}
if ( !powermgm_get_event( POWERMGM_STANDBY ) ) {
if ( nextmillis < millis() || updatetrigger == true ) {
nextmillis = millis() + 1000;
statusbar_update_battery( pmu_get_battery_percent( ttgo ), ttgo->power->isChargeing(), ttgo->power->isVBUSPlug() );
}
}
}
int32_t pmu_get_battery_percent( TTGOClass *ttgo ) {
if ( ttgo->power->getBattChargeCoulomb() < ttgo->power->getBattDischargeCoulomb() || ttgo->power->getBattVoltage() < 3200 ) {
ttgo->power->ClearCoulombcounter();
}
if ( pmu_get_calculated_percent() ) {
return( ( ttgo->power->getCoulombData() / PMU_BATTERY_CAP ) * 100 );
}
else {
return( ttgo->power->getBattPercentage() );
}
}