model-railway/system-control
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add i2c check for display

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Signed-off-by: Peter Siegmund <developer@mars3142.org>
This commit is contained in:
Peter Siegmund
2025-09-11 10:39:12 +02:00
parent 597bfeee28
commit b05ffb544c
5 changed files with 149 additions and 33 deletions
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39
firmware/main/app_task.cpp
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@@ -1,25 +1,19 @@
#include "app_task.h"
#include "esp_log.h"
#include "esp_timer.h"
#include "hal/u8g2_esp32_hal.h"
#include "u8g2.h"
#include "button_handling.h"
#include "common/InactivityTracker.h"
#include "driver/i2c.h"
#include "esp_log.h"
#include "esp_timer.h"
#include "hal/u8g2_esp32_hal.h"
#include "hal_esp32/PersistenceManager.h"
#include "i2c_checker.h"
#include "led_status.h"
#include "u8g2.h"
#include "ui/ClockScreenSaver.h"
#include "ui/ScreenSaver.h"
#include "ui/SplashScreen.h"
#if defined(CONFIG_IDF_TARGET_ESP32S3)
#define PIN_SDA GPIO_NUM_35
#define PIN_SCL GPIO_NUM_36
#else
/// just dummy pins, because of compile check
#define PIN_SDA GPIO_NUM_20
#define PIN_SCL GPIO_NUM_21
#endif
#define PIN_RST GPIO_NUM_NC
static const char *TAG = "app_task";
@@ -38,13 +32,13 @@ extern QueueHandle_t buttonQueue;
static void setup_screen(void)
{
u8g2_esp32_hal_t u8g2_esp32_hal = U8G2_ESP32_HAL_DEFAULT;
u8g2_esp32_hal.bus.i2c.sda = PIN_SDA;
u8g2_esp32_hal.bus.i2c.scl = PIN_SCL;
u8g2_esp32_hal.bus.i2c.sda = I2C_MASTER_SDA_PIN;
u8g2_esp32_hal.bus.i2c.scl = I2C_MASTER_SCL_PIN;
u8g2_esp32_hal.reset = PIN_RST;
u8g2_esp32_hal_init(u8g2_esp32_hal);
u8g2_Setup_sh1106_i2c_128x64_noname_f(&u8g2, U8G2_R0, u8g2_esp32_i2c_byte_cb, u8g2_esp32_gpio_and_delay_cb);
u8x8_SetI2CAddress(&u8g2.u8x8, 0x3C * 2);
u8x8_SetI2CAddress(&u8g2.u8x8, DISPLAY_I2C_ADDRESS << 1);
ESP_LOGI(TAG, "u8g2_InitDisplay");
u8g2_InitDisplay(&u8g2);
@@ -150,6 +144,17 @@ static void handle_button(uint8_t button)
void app_task(void *args)
{
if (i2c_bus_scan_and_check() != ESP_OK)
{
led_behavior_t led0_behavior = {
.mode = LED_MODE_BLINK, .color = {.r = 50, .g = 0, .b = 0}, .on_time_ms = 200, .off_time_ms = 200};
led_status_set_behavior(0, led0_behavior);
ESP_LOGE(TAG, "Display not found, cannot continue.");
vTaskDelete(nullptr);
return;
}
setup_screen();
setup_buttons();
init_ui();
@@ -183,4 +188,4 @@ void app_task(void *args)
}
cleanup_buttons();
}
}