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Use of double buffer on the DISCO_F746NG board
Dependencies: BSP_DISCO_F746NG
Diff: main.cpp
- Revision:
- 3:9f66aabe7b3b
- Parent:
- 0:9933f7db9a9b
- Child:
- 4:571a6b9cefbf
--- a/main.cpp Wed Jun 07 09:31:50 2017 +0200 +++ b/main.cpp Wed Nov 20 11:49:15 2019 +0100 @@ -1,9 +1,6 @@ #include "mbed.h" -#include "TS_DISCO_F746NG.h" -#include "LCD_DISCO_F746NG.h" - -LCD_DISCO_F746NG lcd; -TS_DISCO_F746NG ts; +#include "stm32746g_discovery_lcd.h" +#include "stm32746g_discovery_ts.h" int main() { @@ -15,35 +12,39 @@ uint8_t cleared = 0; uint8_t prev_nb_touches = 0; - lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN DEMO", CENTER_MODE); - wait(1); + BSP_LCD_Init(); + BSP_LCD_LayerDefaultInit(LTDC_ACTIVE_LAYER, LCD_FB_START_ADDRESS); + BSP_LCD_SelectLayer(LTDC_ACTIVE_LAYER); - status = ts.Init(lcd.GetXSize(), lcd.GetYSize()); + BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN DEMO", CENTER_MODE); + HAL_Delay(1000); + + status = BSP_TS_Init(BSP_LCD_GetXSize(), BSP_LCD_GetYSize()); if (status != TS_OK) { - lcd.Clear(LCD_COLOR_RED); - lcd.SetBackColor(LCD_COLOR_RED); - lcd.SetTextColor(LCD_COLOR_WHITE); - lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT FAIL", CENTER_MODE); + BSP_LCD_Clear(LCD_COLOR_RED); + BSP_LCD_SetBackColor(LCD_COLOR_RED); + BSP_LCD_SetTextColor(LCD_COLOR_WHITE); + BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT FAIL", CENTER_MODE); } else { - lcd.Clear(LCD_COLOR_GREEN); - lcd.SetBackColor(LCD_COLOR_GREEN); - lcd.SetTextColor(LCD_COLOR_WHITE); - lcd.DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT OK", CENTER_MODE); + BSP_LCD_Clear(LCD_COLOR_GREEN); + BSP_LCD_SetBackColor(LCD_COLOR_GREEN); + BSP_LCD_SetTextColor(LCD_COLOR_WHITE); + BSP_LCD_DisplayStringAt(0, LINE(5), (uint8_t *)"TOUCHSCREEN INIT OK", CENTER_MODE); } - wait(1); - lcd.SetFont(&Font12); - lcd.SetBackColor(LCD_COLOR_BLUE); - lcd.SetTextColor(LCD_COLOR_WHITE); + HAL_Delay(1000); + BSP_LCD_SetFont(&Font12); + BSP_LCD_SetBackColor(LCD_COLOR_BLUE); + BSP_LCD_SetTextColor(LCD_COLOR_WHITE); while(1) { - ts.GetState(&TS_State); + BSP_TS_GetState(&TS_State); if (TS_State.touchDetected) { // Clear lines corresponding to old touches coordinates if (TS_State.touchDetected < prev_nb_touches) { for (idx = (TS_State.touchDetected + 1); idx <= 5; idx++) { - lcd.ClearStringLine(idx); + BSP_LCD_ClearStringLine(idx); } } prev_nb_touches = TS_State.touchDetected; @@ -51,21 +52,21 @@ cleared = 0; sprintf((char*)text, "Touches: %d", TS_State.touchDetected); - lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE); + BSP_LCD_DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE); for (idx = 0; idx < TS_State.touchDetected; idx++) { x = TS_State.touchX[idx]; y = TS_State.touchY[idx]; sprintf((char*)text, "Touch %d: x=%d y=%d ", idx+1, x, y); - lcd.DisplayStringAt(0, LINE(idx+1), (uint8_t *)&text, LEFT_MODE); + BSP_LCD_DisplayStringAt(0, LINE(idx+1), (uint8_t *)&text, LEFT_MODE); } - lcd.DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_ORANGE); + BSP_LCD_DrawPixel(TS_State.touchX[0], TS_State.touchY[0], LCD_COLOR_ORANGE); } else { if (!cleared) { - lcd.Clear(LCD_COLOR_BLUE); + BSP_LCD_Clear(LCD_COLOR_BLUE); sprintf((char*)text, "Touches: 0"); - lcd.DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE); + BSP_LCD_DisplayStringAt(0, LINE(0), (uint8_t *)&text, LEFT_MODE); cleared = 1; } }