From 016517b163c42cee34cc8023347251624dcce2ad Mon Sep 17 00:00:00 2001
From: C47D <carlos.santiago.diaz@gmail.com>
Date: Fri, 26 Nov 2021 08:49:09 -0600
Subject: [PATCH] Remove xfer_mode parameter from send_data

---
 lv_port/lv_port_display_espressif.c | 14 +++-----------
 lvgl_tft/display_port.h             | 11 +++--------
 lvgl_tft/ili9341.c                  |  2 +-
 3 files changed, 7 insertions(+), 20 deletions(-)

diff --git a/lv_port/lv_port_display_espressif.c b/lv_port/lv_port_display_espressif.c
index 5a52238..def8991 100644
--- a/lv_port/lv_port_display_espressif.c
+++ b/lv_port/lv_port_display_espressif.c
@@ -95,23 +95,15 @@ void display_interface_send_cmd(lv_disp_drv_t *drv, uint32_t cmd, cmd_width_t cm
 #endif
 }
 
-void display_interface_send_data(lv_disp_drv_t *drv, void *data, size_t len, data_xfer_mode_t mode)
+void display_interface_send_data(lv_disp_drv_t *drv, void *data, size_t len)
 {
     (void) drv;
 
 #if defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_SPI)
     disp_wait_for_pending_transactions();
     display_port_gpio_dc(drv, LV_DISPLAY_DC_DATA_MODE);
-    
-    if (DATA_XFER_MODE_ASYNC == mode) {
-        disp_spi_send_colors(data, len);
-    }
-    else if (DATA_XFER_MODE_SYNC == mode) {
-        /* Send data in polling mode and call lv_disp_flush after that */
-    }
-    else {
-
-    }
+    disp_spi_send_colors(data, len);
+    /* lv_disp_flush is called in the SPI xfer done callback */
 #elif defined (CONFIG_LV_TFT_DISPLAY_PROTOCOL_I2C)
     lvgl_i2c_write(OLED_I2C_PORT, OLED_I2C_ADDRESS, OLED_CONTROL_BYTE_DATA_STREAM, data, len);
 #endif
diff --git a/lvgl_tft/display_port.h b/lvgl_tft/display_port.h
index c2b284d..f72c0d4 100644
--- a/lvgl_tft/display_port.h
+++ b/lvgl_tft/display_port.h
@@ -21,11 +21,6 @@ typedef enum {
     CMD_WIDTH_INVALID,
 } cmd_width_t;
 
-typedef enum {
-    DATA_XFER_MODE_SYNC,
-    DATA_XFER_MODE_ASYNC,
-} data_xfer_mode_t;
-
 /**
  * Busy wait delay port
  *
@@ -81,13 +76,13 @@ void display_interface_send_cmd(lv_disp_drv_t *drv, uint32_t cmd, cmd_width_t cm
 /**
  * Send (image) data to display
  *
+ * User must call lv_disp_flush after the image is sent
+ *
  * @param drv Pointer to driver
  * @param data Pointer to data to be sent
  * @param len Data length (in bytes) to be sent
- * @param mode Data transfer mode, sync (polling) and async, lv_disp_flush must
- *             be called when finishing the data transfer
  */
-void display_interface_send_data(lv_disp_drv_t *drv, void *data, size_t len, data_xfer_mode_t mode);
+void display_interface_send_data(lv_disp_drv_t *drv, void *data, size_t len);
 
 #ifdef __cplusplus
 } /* extern "C" */
diff --git a/lvgl_tft/ili9341.c b/lvgl_tft/ili9341.c
index 6be21ef..fdb26df 100644
--- a/lvgl_tft/ili9341.c
+++ b/lvgl_tft/ili9341.c
@@ -134,7 +134,7 @@ void ili9341_flush(lv_disp_drv_t * drv, const lv_area_t * area, lv_color_t * col
 
     /* Memory write */
     display_interface_send_cmd(drv, 0x2C, CMD_WIDTH_8BITS, NULL, 0);
-    display_interface_send_data(drv, color_map, size * 2, DATA_XFER_MODE_ASYNC);
+    display_interface_send_data(drv, color_map, size * 2);
 }
 
 void ili9341_sleep_in(lv_disp_drv_t * drv)