--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main/task_driver.h Sat Oct 20 13:23:15 2018 +0200
@@ -0,0 +1,59 @@
+#ifndef _TASK_DRIVER_H
+#define _TASK_DRIVER_H
+
+/**
+ * @file task_driver.h
+ * @brief The interface to the FreeRTOS driver task. This task drives the Solid
+ * State Relays (SSR) to power the Mash Lauter Tun (MLT) and the Hot
+ * Liquer Tank (HLT) heating elements. It also controls the pump relay.
+ *
+ * It takes the temperature readings from the DS18B20 task.
+ */
+
+
+typedef enum {
+ MLT_MODE_NONE = 0, ///< Not active
+ MLT_MODE_BANG = 1, ///< Bang on/off mode
+ MLT_MODE_PID = 2, ///< PID mode
+ MLT_MODE_OFF = 3, ///< Off but show setpoint
+ MLT_MODE_EXT = 4, ///< External regulation
+} MLT_MODE_TYPE;
+
+typedef enum {
+ HLT_MODE_NONE = 0, ///< Not active
+ HLT_MODE_BANG = 1, ///< Bang on/off mode
+ HLT_MODE_OFF = 2, ///< Off but show setpoint
+ HLT_MODE_ON = 3, ///< On if free
+} HLT_MODE_TYPE;
+
+
+/**
+ * @brief Structure containing the information of the driver task.
+ */
+typedef struct {
+ bool enable; ///< Enable outputs
+ int mlt_gpio; ///< MLT SSR GPIO pin
+ int mlt_mode; ///< MLT Mode: 0 = off, 1 = bang on/off, 2 = PID, 3 = cooling
+ double mlt_sp; ///< Setpoint MLT temperature
+ double mlt_pv; ///< Current MLT temperature
+ int mlt_power; ///< Current MLT drive power %
+ int hlt_gpio; ///< HLT SSR GPIO pin
+ int hlt_mode; ///< HLT Mode: 0 = off, 1 = bang on/off, 2 = always on
+ double hlt_sp; ///< Setpoint HLT temperature
+ double hlt_pv; ///< Current HLT temperature
+ int hlt_power; ///< Current HLT drive power %
+ bool hlt_and_mlt; ///< True if both MLT and HLT are allowed at the same time.
+ int pump_gpio; ///< Pump SSR GPIO pin
+ int pump_run; ///< Pump on/off
+} DRIVER_State;
+
+
+/**
+ * @brief FreeRTOS driver task. This task drives the Solid
+ * State Relays (SSR) to power the Mash Lauter Tun (MLT) and the Hot
+ * Liquer Tank (HLT) heating elements. It also controls the pump relay.
+ */
+void task_driver(void *);
+
+#endif
+