Merge pull request #599 from cyberman54/development

v1.9.991

include/i2c.h

@@ -8,6 +8,7 @@
 #define BME_PRIMARY_ADDRESS (0x77)
 #define BME_SECONDARY_ADDRESS (0x76)
 #define AXP192_PRIMARY_ADDRESS (0x34)
+#define IP5306_PRIMARY_ADDRESS (0x75)
 #define MCP_24AA02E64_PRIMARY_ADDRESS (0x50)
 #define QUECTEL_GPS_PRIMARY_ADDRESS (0x10)
 

include/power.h

@@ -36,28 +36,40 @@ void AXP192_showstatus(void);
 
 #endif // HAS_PMU
 
+#ifdef HAS_IP5306
+void printIP5306Stats(void);
+uint8_t IP5306_GetPowerSource(void);
+uint8_t IP5306_GetBatteryLevel(void);
+uint8_t IP5306_GetBatteryFull(void);
+#endif
+
 // The following map functions were taken from
 //
 // Battery.h - Battery library
 // Copyright (c) 2014 Roberto Lo Giacco
 // https://github.com/rlogiacco/BatterySense
- 
+
 /**
  * Symmetric sigmoidal approximation
  * https://www.desmos.com/calculator/7m9lu26vpy
  *
  * c - c / (1 + k*x/v)^3
  */
-static inline uint8_t sigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t maxVoltage) {
+static inline uint8_t sigmoidal(uint16_t voltage, uint16_t minVoltage,
-	// slow
+                                uint16_t maxVoltage) {
-	// uint8_t result = 110 - (110 / (1 + pow(1.468 * (voltage - minVoltage)/(maxVoltage - minVoltage), 6)));
+  // slow
+  // uint8_t result = 110 - (110 / (1 + pow(1.468 * (voltage -
+  // minVoltage)/(maxVoltage - minVoltage), 6)));
 
-	// steep
+  // steep
-	// uint8_t result = 102 - (102 / (1 + pow(1.621 * (voltage - minVoltage)/(maxVoltage - minVoltage), 8.1)));
+  // uint8_t result = 102 - (102 / (1 + pow(1.621 * (voltage -
+  // minVoltage)/(maxVoltage - minVoltage), 8.1)));
 
-	// normal
+  // normal
-	uint8_t result = 105 - (105 / (1 + pow(1.724 * (voltage - minVoltage)/(maxVoltage - minVoltage), 5.5)));
+  uint8_t result = 105 - (105 / (1 + pow(1.724 * (voltage - minVoltage) /
-	return result >= 100 ? 100 : result;
+                                             (maxVoltage - minVoltage),
+                                         5.5)));
+  return result >= 100 ? 100 : result;
 }
 
 /**
@@ -66,9 +78,13 @@ static inline uint8_t sigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t
  *
  * c - c / [1 + (k*x/v)^4.5]^3
  */
-static inline uint8_t asigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t maxVoltage) {
+static inline uint8_t asigmoidal(uint16_t voltage, uint16_t minVoltage,
-	uint8_t result = 101 - (101 / pow(1 + pow(1.33 * (voltage - minVoltage)/(maxVoltage - minVoltage) ,4.5), 3));
+                                 uint16_t maxVoltage) {
-	return result >= 100 ? 100 : result;
+  uint8_t result = 101 - (101 / pow(1 + pow(1.33 * (voltage - minVoltage) /
+                                                (maxVoltage - minVoltage),
+                                            4.5),
+                                    3));
+  return result >= 100 ? 100 : result;
 }
 
 /**
@@ -77,8 +93,10 @@ static inline uint8_t asigmoidal(uint16_t voltage, uint16_t minVoltage, uint16_t
  *
  * x * 100 / v
  */
-static inline uint8_t linear(uint16_t voltage, uint16_t minVoltage, uint16_t maxVoltage) {
+static inline uint8_t linear(uint16_t voltage, uint16_t minVoltage,
-	return (unsigned long)(voltage - minVoltage) * 100 / (maxVoltage - minVoltage);
+                             uint16_t maxVoltage) {
+  return (unsigned long)(voltage - minVoltage) * 100 /
+         (maxVoltage - minVoltage);
 }
 
 uint8_t read_battlevel(mapFn_t mapFunction = &sigmoidal);

platformio.ini

@@ -45,7 +45,7 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
 
 [common]
 ; for release_version use max. 10 chars total, use any decimal format like "a.b.c"
-release_version = 1.9.99
+release_version = 1.9.991
 ; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
 ; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
 debug_level = 3
@@ -53,16 +53,16 @@ extra_scripts = pre:build.py
 otakeyfile = ota.conf
 lorakeyfile = loraconf.h
 lmicconfigfile = lmic_config.h
-platform_espressif32 = espressif32@1.12.0
+platform_espressif32 = espressif32@1.12.1
 monitor_speed = 115200
 upload_speed = 115200
 lib_deps_lora =
     MCCI LoRaWAN LMIC library@3.1.0 ; MCCI LMIC by Terrill Moore
 lib_deps_display =
-    ss_oled@4.1.2 ; fast and small OLED lib by Larry Bank
+    ss_oled@4.1.3 ; fast and small OLED lib by Larry Bank
-    BitBang_I2C@2.0.3
+    BitBang_I2C@2.1.1
     QRCode@0.0.1
-    TFT_eSPI@2.2.0
+    TFT_eSPI@2.2.2
 lib_deps_matrix_display =
     Ultrathin_LED_Matrix@>=1.0.0
 lib_deps_rgbled =
@@ -70,8 +70,8 @@ lib_deps_rgbled =
 lib_deps_gps =
     1655@>=1.0.2 ; #1655 TinyGPSPlus by Mikal Hart
 lib_deps_sensors =
-    Adafruit Unified Sensor@>=1.1.1
+    Adafruit Unified Sensor@>=1.1.2
-    Adafruit BME280 Library@>=2.0.0
+    Adafruit BME280 Library@>=2.0.2
     Adafruit BMP085 Library@>=1.0.1
     BSEC Software Library@1.5.1474
     https://github.com/ricki-z/SDS011.git
@@ -110,7 +110,7 @@ framework = arduino
 board = esp32dev
 board_build.partitions = min_spiffs.csv
 upload_speed = ${common.upload_speed}
-;upload_port = COM8
+;upload_port = COM5
 platform = ${common.platform_espressif32}
 lib_deps = ${common.lib_deps_all}
 build_flags = ${common.build_flags_all}

src/cyclic.cpp

@@ -65,12 +65,14 @@ void doHousekeeping() {
 #endif
 
 // read battery voltage into global variable
-#if (defined BAT_MEASURE_ADC || defined HAS_PMU)
+#if (defined BAT_MEASURE_ADC || defined HAS_PMU || defined HAS_IP5306)
   batt_level = read_battlevel();
-  ESP_LOGI(TAG, "Battery: %d%%", batt_level);
 #ifdef HAS_PMU
   AXP192_showstatus();
 #endif
+#ifdef HAS_IP5306
+  printIP5306Stats();
+#endif
 #endif
 
 // display BME680/280 sensor data

src/display.cpp

@@ -280,7 +280,7 @@ void dp_drawPage(time_t t, bool nextpage) {
 
     // line 4: Battery + GPS status + Wifi channel
     // B:a.bcV Sats:ab ch:ab
-#if (defined BAT_MEASURE_ADC || defined HAS_PMU)
+#if (defined BAT_MEASURE_ADC || defined HAS_PMU || defined HAS_IP5306)
     if (batt_level == 0)
       dp_printf("No batt ");
     else if (batt_level < 100)
@@ -290,6 +290,7 @@ void dp_drawPage(time_t t, bool nextpage) {
 #else
     dp_printf("       ");
 #endif
+
 #if (HAS_GPS)
     dp_setFont(MY_FONT_SMALL, !gps_hasfix());
     dp_printf("Sats:%.2d", gps.satellites.value());

src/hal/m5core.h

@@ -34,12 +34,12 @@
 
 #define HAS_DISPLAY 2 // TFT-LCD, support work in progess, not ready yet
 //#define MY_DISPLAY_FLIP  1 // use if display is rotated
-//#define BAT_MEASURE_ADC ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
-//#define BAT_VOLTAGE_DIVIDER 2 // voltage divider 100k/100k on board
 
 #define HAS_LED NOT_A_PIN // no on board LED (?)
 #define HAS_BUTTON (39) // on board button A
 
+#define HAS_IP5306 1
+
 // GPS settings
 #define HAS_GPS 1 // use on board GPS
 #define GPS_SERIAL 9600, SERIAL_8N1, RXD2, TXD2 // UBlox NEO 6M RX, TX

src/hal/m5fire.h

@@ -34,8 +34,6 @@
 
 #define HAS_DISPLAY 2 // TFT-LCD, support work in progess, not ready yet
 //#define MY_DISPLAY_FLIP  1 // use if display is rotated
-//#define BAT_MEASURE_ADC ADC1_GPIO35_CHANNEL // battery probe GPIO pin -> ADC1_CHANNEL_7
-//#define BAT_VOLTAGE_DIVIDER 2 // voltage divider 100k/100k on board
 
 #define HAS_LED NOT_A_PIN // no on board LED (?)
 #define RGB_LED_COUNT 10
@@ -43,6 +41,8 @@
 #define HAS_RGB_LED SmartLed rgb_led(LED_SK6812, RGB_LED_COUNT, GPIO_NUM_15) // LED_SK6812 RGB LED on GPIO15
 #define HAS_BUTTON (39) // on board button A
 
+#define HAS_IP5306 1
+
 // GPS settings
 #define HAS_GPS 0 // use on board GPS
 #define GPS_SERIAL 9600, SERIAL_8N1, RXD2, TXD2 // UBlox NEO 6M RX, TX

src/i2c.cpp

@@ -5,8 +5,7 @@
 // Local logging tag
 static const char TAG[] = __FILE__;
 
-void i2c_init(void) { 
+void i2c_init(void) { Wire.begin(MY_DISPLAY_SDA, MY_DISPLAY_SCL, 400000); }
-  Wire.begin(MY_DISPLAY_SDA, MY_DISPLAY_SCL, 400000); }
 
 void i2c_deinit(void) {
   Wire.~TwoWire(); // shutdown/power off I2C hardware
@@ -53,6 +52,10 @@ int i2c_scan(void) {
           ESP_LOGI(TAG, "0x%X: AXP192 power management", addr);
           break;
 
+        case IP5306_PRIMARY_ADDRESS:
+          ESP_LOGI(TAG, "0x%X: IP5306 power management", addr);
+          break;
+
         case QUECTEL_GPS_PRIMARY_ADDRESS:
           ESP_LOGI(TAG, "0x%X: Quectel GPS", addr);
           break;

src/led.cpp

@@ -63,7 +63,6 @@ RGBColor rgb_hsl2rgb(float h, float s, float l) {
 }
 
 void rgb_set_color(uint16_t hue) {
-  int i = RGB_LED_COUNT;
   if (hue == COLOR_NONE) {
     // set Off
     for (int i = 0; i < RGB_LED_COUNT; i++)

src/lorawan.cpp

@@ -492,6 +492,9 @@ uint8_t myBattLevelCb(void *pUserData) {
 #ifdef HAS_PMU
       if (pmu.isVBUSPlug())
     lmic_batt_level = MCMD_DEVS_EXT_POWER;
+#elif defined HAS_IP5306
+      if (IP5306_GetPowerSource())
+    lmic_batt_level = MCMD_DEVS_EXT_POWER;
 #else
       if (batt_percent >= 100)
     lmic_batt_level = MCMD_DEVS_EXT_POWER;

src/main.cpp

@@ -258,10 +258,13 @@ void setup() {
 #endif
 
 // initialize battery status
-#if (defined BAT_MEASURE_ADC || defined HAS_PMU)
+#if (defined BAT_MEASURE_ADC || defined HAS_PMU || defined HAS_IP5306)
   strcat_P(features, " BATT");
   calibrate_voltage();
   batt_level = read_battlevel();
+#ifdef HAS_IP5306
+  printIP5306Stats();
+#endif
 #endif
 
 #if (USE_OTA)

src/power.cpp

@@ -215,6 +215,10 @@ uint8_t read_battlevel(mapFn_t mapFunction) {
   // returns the estimated battery level in values 0 ... 100 [percent]
 
   uint8_t batt_percent;
+
+#ifdef HAS_IP5306
+  batt_percent = IP5306_GetBatteryLevel();
+#else
   const uint16_t batt_voltage = read_voltage();
 
   if (batt_voltage <= BAT_MIN_VOLTAGE)
@@ -224,17 +228,86 @@ uint8_t read_battlevel(mapFn_t mapFunction) {
   else
     batt_percent =
         (*mapFunction)(batt_voltage, BAT_MIN_VOLTAGE, BAT_MAX_VOLTAGE);
-
+#endif // HAS_IP5306
-  ESP_LOGD(TAG, "batt_voltage = %dmV / batt_percent = %d%%", batt_voltage,
-           batt_percent);
 
   return batt_percent;
 }
 
 bool batt_sufficient() {
-#if (defined HAS_PMU || defined BAT_MEASURE_ADC)
+#if (defined HAS_PMU || defined BAT_MEASURE_ADC || defined HAS_IP5306)
   return (batt_level > OTA_MIN_BATT);
 #else
   return true; // we don't know batt level
 #endif
 }
+
+#ifdef HAS_IP5306
+
+// IP5306 code snippet was taken from
+// https://gist.github.com/me-no-dev/7702f08dd578de5efa47caf322250b57
+
+#define IP5306_REG_SYS_0 0x00
+#define IP5306_REG_SYS_1 0x01
+#define IP5306_REG_SYS_2 0x02
+#define IP5306_REG_CHG_0 0x20
+#define IP5306_REG_CHG_1 0x21
+#define IP5306_REG_CHG_2 0x22
+#define IP5306_REG_CHG_3 0x23
+#define IP5306_REG_CHG_4 0x24
+#define IP5306_REG_READ_0 0x70
+#define IP5306_REG_READ_1 0x71
+#define IP5306_REG_READ_2 0x72
+#define IP5306_REG_READ_3 0x77
+#define IP5306_REG_READ_4 0x78
+
+#define IP5306_LEDS2PCT(byte)                                                  \
+  ((byte & 0x01 ? 25 : 0) + (byte & 0x02 ? 25 : 0) + (byte & 0x04 ? 25 : 0) +  \
+   (byte & 0x08 ? 25 : 0))
+
+uint8_t ip5306_get_bits(uint8_t reg, uint8_t index, uint8_t bits) {
+  uint8_t value;
+  if (i2c_readBytes(IP5306_PRIMARY_ADDRESS, reg, &value, 1) == 0xff) {
+    ESP_LOGW(TAG, "IP5306 get bits fail: 0x%02x", reg);
+    return 0;
+  }
+  return (value >> index) & ((1 << bits) - 1);
+}
+
+void ip5306_set_bits(uint8_t reg, uint8_t index, uint8_t bits, uint8_t value) {
+  uint8_t mask = (1 << bits) - 1, v;
+  if (i2c_readBytes(IP5306_PRIMARY_ADDRESS, reg, &v, 1) == 0xff) {
+    ESP_LOGW(TAG, "IP5306 register read fail: 0x%02x", reg);
+    return;
+  }
+  v &= ~(mask << index);
+  v |= ((value & mask) << index);
+
+  if (i2c_writeBytes(IP5306_PRIMARY_ADDRESS, reg, &v, 1) == 0xff)
+    ESP_LOGW(TAG, "IP5306 register write fail: 0x%02x", reg);
+}
+
+uint8_t IP5306_GetPowerSource(void) {
+  return ip5306_get_bits(IP5306_REG_READ_0, 3, 1); // 0:BAT, 1:VIN
+}
+
+uint8_t IP5306_GetBatteryFull(void) {
+  return ip5306_get_bits(IP5306_REG_READ_1, 3, 1); // 0:CHG/DIS, 1:FULL
+}
+
+uint8_t IP5306_GetBatteryLevel(void) {
+  uint8_t state = (~ip5306_get_bits(IP5306_REG_READ_4, 4, 4)) & 0x0F;
+  // LED[0-4] State (inverted)
+  return IP5306_LEDS2PCT(state);
+}
+
+void printIP5306Stats(void) {
+  bool usb = IP5306_GetPowerSource();
+  bool full = IP5306_GetBatteryFull();
+  uint8_t level = IP5306_GetBatteryLevel();
+  ESP_LOGI(TAG,
+           "IP5306: Power Source: %s, Battery State: %s, Battery Level: %u%%",
+           usb ? "USB" : "BATTERY",
+           full ? "CHARGED" : (usb ? "CHARGING" : "DISCHARGING"), level);
+}
+
+#endif // HAS_IP5306