lib/fwu/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.20)
+
+project(fwu)
+
+target_sources(fwu PRIVATE src/fwu.c)
+target_include_directories(fwu PUBLIC include)

lib/modbus_server/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.20)
+
+project(modbus_server)
+
+target_sources(modbus_server PRIVATE src/modbus_server.c)
+target_include_directories(modbus_server PUBLIC include)

lib/valve/CMakeLists.txt

@@ -0,0 +1,6 @@
+cmake_minimum_required(VERSION 3.20)
+
+project(valve)
+
+target_sources(valve PRIVATE src/valve.c)
+target_include_directories(valve PUBLIC include)

software/apps/slave_node/boards/weact_stm32g431_core.overlay

@@ -1,6 +1,6 @@
 / {
-    vnd7050aj: vnd7050aj {
-        compatible = "vnd7050aj-valve-controller";
+    vnd7050aj {
+        compatible = "gpio-leds"; // Using generic GPIO compatible
         status = "okay";
         
         // VND7050AJ GPIO pin definitions

software/include/lib/valve.h

@@ -2,21 +2,8 @@
 #define VALVE_H
 
 #include <stdint.h>
-#include <zephyr/drivers/gpio.h>
 
-struct valve_gpios {
-    const struct gpio_dt_spec in0;
-    const struct gpio_dt_spec in1;
-    const struct gpio_dt_spec rst;
-    const struct gpio_dt_spec sen;
-    const struct gpio_dt_spec s0;
-    const struct gpio_dt_spec s1;
-};
-
-enum valve_state {
-    VALVE_STATE_CLOSED,
-    VALVE_STATE_OPEN,
-};
+enum valve_state { VALVE_STATE_CLOSED, VALVE_STATE_OPEN };
 enum valve_movement { VALVE_MOVEMENT_IDLE, VALVE_MOVEMENT_OPENING, VALVE_MOVEMENT_CLOSING, VALVE_MOVEMENT_ERROR };
 
 void valve_init(void);

software/lib/valve/valve.c

@@ -1,21 +1,10 @@
 #include <zephyr/kernel.h>
 #include <zephyr/settings/settings.h>
 #include <zephyr/logging/log.h>
-#include <zephyr/device.h>
-#include <zephyr/drivers/gpio.h>
 #include <lib/valve.h>
 
 LOG_MODULE_REGISTER(valve, LOG_LEVEL_INF);
 
-static const struct valve_gpios valve_gpios = {
-    .in0 = GPIO_DT_SPEC_GET(DT_NODELABEL(vnd7050aj), in0_gpios),
-    .in1 = GPIO_DT_SPEC_GET(DT_NODELABEL(vnd7050aj), in1_gpios),
-    .rst = GPIO_DT_SPEC_GET(DT_NODELABEL(vnd7050aj), rst_gpios),
-    .sen = GPIO_DT_SPEC_GET(DT_NODELABEL(vnd7050aj), sen_gpios),
-    .s0 = GPIO_DT_SPEC_GET(DT_NODELABEL(vnd7050aj), s0_gpios),
-    .s1 = GPIO_DT_SPEC_GET(DT_NODELABEL(vnd7050aj), s1_gpios),
-};
-
 static enum valve_state current_state = VALVE_STATE_CLOSED;
 static enum valve_movement current_movement = VALVE_MOVEMENT_IDLE;
 static uint16_t max_opening_time_s = 60;
@@ -24,15 +13,11 @@ static struct k_work_delayable valve_work;
 
 static void valve_work_handler(struct k_work *work)
 {
-    gpio_pin_set_dt(&valve_gpios.in0, 0);
-    gpio_pin_set_dt(&valve_gpios.in1, 0);
-    gpio_pin_set_dt(&valve_gpios.rst, 0);
-
     if (current_movement == VALVE_MOVEMENT_OPENING) {
-        LOG_INF("Valve finished opening");
+        LOG_INF("Virtual valve finished opening");
     } else if (current_movement == VALVE_MOVEMENT_CLOSING) {
         current_state = VALVE_STATE_CLOSED;
-        LOG_INF("Valve finished closing");
+        LOG_INF("Virtual valve finished closing");
     }
     current_movement = VALVE_MOVEMENT_IDLE;
 }
@@ -42,35 +27,22 @@ void valve_init(void)
     k_work_init_delayable(&valve_work, valve_work_handler);
     settings_load_one("valve/max_open_time", &max_opening_time_s, sizeof(max_opening_time_s));
     settings_load_one("valve/max_close_time", &max_closing_time_s, sizeof(max_closing_time_s));
-
-    gpio_pin_configure_dt(&valve_gpios.in0, GPIO_OUTPUT_INACTIVE);
-    gpio_pin_configure_dt(&valve_gpios.in1, GPIO_OUTPUT_INACTIVE);
-    gpio_pin_configure_dt(&valve_gpios.rst, GPIO_OUTPUT_INACTIVE);
-    gpio_pin_configure_dt(&valve_gpios.sen, GPIO_OUTPUT_INACTIVE);
-    gpio_pin_configure_dt(&valve_gpios.s0, GPIO_OUTPUT_INACTIVE);
-    gpio_pin_configure_dt(&valve_gpios.s1, GPIO_OUTPUT_INACTIVE);
 }
 
 void valve_open(void)
 {
     if (current_state == VALVE_STATE_CLOSED) {
-        gpio_pin_set_dt(&valve_gpios.rst, 1);
-        gpio_pin_set_dt(&valve_gpios.in1, 0);
-        gpio_pin_set_dt(&valve_gpios.in0, 1);
         current_state = VALVE_STATE_OPEN;
         current_movement = VALVE_MOVEMENT_OPENING;
-        k_work_schedule(&valve_work, K_MSEC(max_opening_time_s * 1000 * 0.9));
+        k_work_schedule(&valve_work, K_SECONDS(max_opening_time_s));
     }
 }
 
 void valve_close(void)
 {
     if (current_state == VALVE_STATE_OPEN) {
-        gpio_pin_set_dt(&valve_gpios.rst, 1);
-        gpio_pin_set_dt(&valve_gpios.in0, 0);
-        gpio_pin_set_dt(&valve_gpios.in1, 1);
         current_movement = VALVE_MOVEMENT_CLOSING;
-        k_work_schedule(&valve_work, K_MSEC(max_closing_time_s * 1000 * 0.9));
+        k_work_schedule(&valve_work, K_SECONDS(max_closing_time_s));
     }
 }