power down during LS and shutdown

src/Power.cpp

@@ -128,6 +128,7 @@ RAK9154Sensor rak9154Sensor;
 #ifdef HAS_PPM
 // note: XPOWERS_CHIP_XXX must be defined in variant.h
 #include <XPowersLib.h>
+XPowersPPM *PPM = NULL;
 #endif
 
 #ifdef HAS_BQ27220
@@ -681,7 +682,7 @@ bool Power::setup()
         found = true;
     } else if (lipoChargerInit()) {
         found = true;
-    }  else if (meshSolarInit()) {
+    } else if (meshSolarInit()) {
         found = true;
     } else if (analogInit()) {
         found = true;
@@ -1320,7 +1321,6 @@ bool Power::lipoInit()
 class LipoCharger : public HasBatteryLevel
 {
   private:
-    XPowersPPM *ppm = nullptr;
     BQ27220 *bq = nullptr;
 
   public:
@@ -1329,41 +1329,41 @@ class LipoCharger : public HasBatteryLevel
      */
     bool runOnce()
     {
-        if (ppm == nullptr) {
+        if (PPM == nullptr) {
-            ppm = new XPowersPPM;
+            PPM = new XPowersPPM;
-            bool result = ppm->init(Wire, I2C_SDA, I2C_SCL, BQ25896_ADDR);
+            bool result = PPM->init(Wire, I2C_SDA, I2C_SCL, BQ25896_ADDR);
             if (result) {
                 LOG_INFO("PPM BQ25896 init succeeded");
                 // Set the minimum operating voltage. Below this voltage, the PPM will protect
-                // ppm->setSysPowerDownVoltage(3100);
+                // PPM->setSysPowerDownVoltage(3100);
 
                 // Set input current limit, default is 500mA
-                // ppm->setInputCurrentLimit(800);
+                // PPM->setInputCurrentLimit(800);
 
                 // Disable current limit pin
-                // ppm->disableCurrentLimitPin();
+                // PPM->disableCurrentLimitPin();
 
                 // Set the charging target voltage, Range:3840 ~ 4608mV ,step:16 mV
-                ppm->setChargeTargetVoltage(4288);
+                PPM->setChargeTargetVoltage(4288);
 
                 // Set the precharge current , Range: 64mA ~ 1024mA ,step:64mA
-                // ppm->setPrechargeCurr(64);
+                // PPM->setPrechargeCurr(64);
 
                 // The premise is that limit pin is disabled, or it will
                 // only follow the maximum charging current set by limit pin.
                 // Set the charging current , Range:0~5056mA ,step:64mA
-                ppm->setChargerConstantCurr(1024);
+                PPM->setChargerConstantCurr(1024);
 
                 // To obtain voltage data, the ADC must be enabled first
-                ppm->enableMeasure();
+                PPM->enableMeasure();
 
                 // Turn on charging function
                 // If there is no battery connected, do not turn on the charging function
-                ppm->enableCharge();
+                PPM->enableCharge();
             } else {
                 LOG_WARN("PPM BQ25896 init failed");
-                delete ppm;
+                delete PPM;
-                ppm = nullptr;
+                PPM = nullptr;
                 return false;
             }
         }
@@ -1404,23 +1404,23 @@ class LipoCharger : public HasBatteryLevel
     /**
      * return true if there is a battery installed in this unit
      */
-    virtual bool isBatteryConnect() override { return ppm->getBattVoltage() > 0; }
+    virtual bool isBatteryConnect() override { return PPM->getBattVoltage() > 0; }
 
     /**
      * return true if there is an external power source detected
      */
-    virtual bool isVbusIn() override { return ppm->getVbusVoltage() > 0; }
+    virtual bool isVbusIn() override { return PPM->getVbusVoltage() > 0; }
 
     /**
      * return true if the battery is currently charging
      */
     virtual bool isCharging() override
     {
-        bool isCharging = ppm->isCharging();
+        bool isCharging = PPM->isCharging();
         if (isCharging) {
             LOG_DEBUG("BQ27220 time to full charge: %d min", bq->getTimeToFull());
         } else {
-            if (!ppm->isVbusIn()) {
+            if (!PPM->isVbusIn()) {
                 LOG_DEBUG("BQ27220 time to empty: %d min (%d mAh)", bq->getTimeToEmpty(), bq->getRemainingCapacity());
             }
         }
@@ -1453,8 +1453,6 @@ bool Power::lipoChargerInit()
 }
 #endif
 
-
-
 #ifdef HELTEC_MESH_SOLAR
 #include "meshSolarApp.h"
 
@@ -1492,7 +1490,7 @@ class meshSolarBatteryLevel : public HasBatteryLevel
     /**
      * return true if there is an external power source detected
      */
-    virtual bool isVbusIn() override { return meshSolarIsVbusIn();}
+    virtual bool isVbusIn() override { return meshSolarIsVbusIn(); }
 
     /**
      * return true if the battery is currently charging

src/sleep.cpp

@@ -32,6 +32,16 @@ esp_sleep_source_t wakeCause; // the reason we booted this time
 #endif
 #include "Throttle.h"
 
+#ifdef USE_XL9555
+#include "ExtensionIOXL9555.hpp"
+extern ExtensionIOXL9555 io;
+#endif
+
+#ifdef HAS_PPM
+#include <XPowersLib.h>
+extern XPowersPPM *PPM;
+#endif
+
 #ifndef INCLUDE_vTaskSuspend
 #define INCLUDE_vTaskSuspend 0
 #endif
@@ -297,6 +307,14 @@ void doDeepSleep(uint32_t msecToWake, bool skipPreflight = false, bool skipSaveN
 #endif
 #endif
 
+#ifdef HAS_PPM
+    if (PPM) {
+        LOG_INFO("PMM shutdown");
+        console->flush();
+        PPM->shutdown();
+    }
+#endif
+
 #ifdef HAS_PMU
     if (pmu_found && PMU) {
         // Obsolete comment: from back when we we used to receive lora packets while CPU was in deep sleep.
@@ -412,6 +430,16 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
     if (pmu_found)
         gpio_wakeup_enable((gpio_num_t)PMU_IRQ, GPIO_INTR_LOW_LEVEL); // pmu irq
 #endif
+
+#ifdef USE_XL9555
+    LOG_DEBUG("power down XL9555 io");
+    io.digitalWrite(EXPANDS_DRV_EN, LOW);
+    io.digitalWrite(EXPANDS_AMP_EN, LOW);
+    io.digitalWrite(EXPANDS_KB_EN, LOW);
+    io.digitalWrite(EXPANDS_SD_EN, LOW);
+    io.digitalWrite(EXPANDS_GPIO_EN, LOW);
+#endif
+
     auto res = esp_sleep_enable_gpio_wakeup();
     if (res != ESP_OK) {
         LOG_ERROR("esp_sleep_enable_gpio_wakeup result %d", res);
@@ -452,6 +480,14 @@ esp_sleep_wakeup_cause_t doLightSleep(uint64_t sleepMsec) // FIXME, use a more r
         gpio_wakeup_disable((gpio_num_t)RF95_IRQ);
     }
 #endif
+#ifdef USE_XL9555
+    LOG_DEBUG("power up XL9555 io");
+    io.digitalWrite(EXPANDS_DRV_EN, HIGH);
+    io.digitalWrite(EXPANDS_AMP_EN, HIGH);
+    io.digitalWrite(EXPANDS_KB_EN, HIGH);
+    io.digitalWrite(EXPANDS_SD_EN, HIGH);
+    io.digitalWrite(EXPANDS_GPIO_EN, HIGH);
+#endif
 
     esp_sleep_wakeup_cause_t cause = esp_sleep_get_wakeup_cause();
     notifyLightSleepEnd.notifyObservers(cause); // Button interrupts are reattached here