--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main/task_ina219.h Tue Mar 28 22:13:06 2023 +0200
@@ -0,0 +1,77 @@
+/**
+ * @file task_ina219.h
+ * @brief The FreeRTOS task to query the INA219 sensors connected to
+ * the I2C bus.
+ * The task will update the sensor state structures.
+ */
+
+#ifndef _TASK_INA219_H
+#define _TASK_INA219_H
+
+/*
+ * Error codes in this task
+ */
+#define INA219_ERR_NONE 0 ///< No errors
+#define INA219_ERR_READ 1
+
+#define I_MAX_LOOPS 32
+#define I_MAX_CURRENT 5 ///< Max 5 Ampere
+#define I_SHUNT_RESISTOR_MILLI_OHM 100 ///< Shunt value
+
+
+typedef struct {
+ bool valid; ///< Valid measurement
+ bool fake; ///< Fake measurement
+ uint8_t address; ///< Device i2c address
+ float shunt; ///< Shunt voltage
+ float volts; ///< Bus voltage
+ float current; ///< Current mA
+ int error; ///< Error result
+} INA219_tt;
+
+
+/**
+ * @brief Structure containing the variables for the INA219 task.
+ */
+typedef struct {
+ bool valid; ///< Valid measurement
+ bool fake; ///< Fake measurement
+ INA219_tt Battery; ///< Battery measurement
+ INA219_tt Solar; ///< Solar measurement
+ float s_Volts[I_MAX_LOOPS];
+ float s_Current[I_MAX_LOOPS];
+ float b_Volts[I_MAX_LOOPS];
+ float b_Current[I_MAX_LOOPS];
+ bool m_Valid[I_MAX_LOOPS];
+ time_t m_Time[I_MAX_LOOPS];
+ time_t gLastTime;
+ uint8_t loopno;
+ uint8_t loops;
+ uint8_t tries;
+ int error; ///< Error result
+} INA219_State;
+
+
+
+/**
+ * @brief Request a new measurement from selected sensors.
+ */
+void request_ina219(void);
+
+
+/**
+ * @brief Check if results are ready
+ * @return true of results are ready, else false.
+ */
+bool ready_ina219(void);
+
+
+/**
+ * @brief The FreeRTOS task to update the INA219 on request.
+ * @param pvParameters Parameters for the task.
+ */
+void task_ina219(void *pvParameters);
+
+
+#endif
+