Merge branch 'bugfix/fix_lcd_testcase' into 'master'

bugfix(lcd): fix spi mode for iot_lcd

See merge request rd/esp-iot-solution!336

components/spi_devices/lcd/spi_lcd.c

@@ -180,7 +180,7 @@ uint32_t lcd_init(lcd_conf_t* lcd_conf, spi_device_handle_t *spi_wr_dev, lcd_dc_
 
     // Use high speed to write LCD
     devcfg.clock_speed_hz = lcd_conf->clk_freq;
-    // devcfg.flags = SPI_DEVICE_HALFDUPLEX;
+    devcfg.flags = SPI_DEVICE_HALFDUPLEX;
     spi_bus_add_device(lcd_conf->spi_host, &devcfg, spi_wr_dev);
 
     int cmd = 0;

components/spi_devices/lcd/test/lcd_example.cpp

@@ -91,7 +91,13 @@ extern "C" esp_err_t event_handler(void *ctx, system_event_t *event)
 extern "C" void esp_draw()
 {
     /*Initilize ESP32 to scan for Access points*/
-    nvs_flash_init();
+    esp_err_t err = nvs_flash_init();
+    if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+        ESP_ERROR_CHECK( nvs_flash_erase() );
+        err = nvs_flash_init();
+    }
+    ESP_ERROR_CHECK(err);
+
     tcpip_adapter_init();
     wifi_event_group = xEventGroupCreate();
     ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );

components/spi_devices/lcd/test/lcd_refresh.cpp

@@ -31,7 +31,7 @@ extern "C" void app_lcd_init(uint8_t m_clk_freq)
 {
     static bool first = true;              //use this flag, avoid spi init repeat.
     lcd_conf_t lcd_pins = {
-        .lcd_model = LCD_MOD_ST7789,
+        .lcd_model = LCD_MOD_AUTO_DET,
         .pin_num_miso = CONFIG_LCD_MISO_GPIO,
         .pin_num_mosi = CONFIG_LCD_MOSI_GPIO,
         .pin_num_clk  = CONFIG_LCD_CLK_GPIO,