hardware/display/U8G2: add back missing SPI init

bleader · bleader · commit 6caf622543d2 · 2017-03-07T11:37:37.000+01:00
diff --git a/hardware/displays/U8G2/u8g2_esp32_hal.c b/hardware/displays/U8G2/u8g2_esp32_hal.c
@@ -53,7 +53,24 @@ uint8_t u8g2_esp32_msg_comms_cb(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void
 		  //ESP_LOGI(tag, "... Initializing bus.");
 		  ESP_ERROR_CHECK(spi_bus_initialize(HSPI_HOST, &bus_config, 1));
 
-		   break;
+		  spi_device_interface_config_t dev_config;
+		  dev_config.address_bits     = 0;
+		  dev_config.command_bits     = 0;
+		  dev_config.dummy_bits       = 0;
+		  dev_config.mode             = 0;
+		  dev_config.duty_cycle_pos   = 0;
+		  dev_config.cs_ena_posttrans = 0;
+		  dev_config.cs_ena_pretrans  = 0;
+		  dev_config.clock_speed_hz   = 10000;
+		  dev_config.spics_io_num     = u8g2_esp32_hal.cs;
+		  dev_config.flags            = 0;
+		  dev_config.queue_size       = 200;
+		  dev_config.pre_cb           = NULL;
+		  dev_config.post_cb          = NULL;
+		  //ESP_LOGI(tag, "... Adding device bus.");
+		  ESP_ERROR_CHECK(spi_bus_add_device(HSPI_HOST, &dev_config, &handle));
+
+		  break;
 		}
 
 		case U8X8_MSG_BYTE_SEND: {
