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Rotated the displayed image because camera is in the back of the TTGO

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This commit is contained in:
Joachim
2020-08-26 11:16:41 +02:00
parent dd2f5f0ca8
commit d2ea7d585c
2 changed files with 10 additions and 7 deletions
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10
esp32/examples/ttgo_demo/main/app_screen.cpp
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@ -237,10 +237,8 @@ static UINT tjd_output(
}
}
// ESP_LOGI(TAG, "x1:%d y1:%d x2:%d y2:%d\n", dleft, dtop, dright, dbottom);
tft->transmitCmdData(LCD_CASET, MAKEWORD(dleft >> 8, dleft & 0xFF, dright >> 8, dright & 0xFF));
tft->transmitCmdData(LCD_PASET, MAKEWORD(dtop >> 8, dtop & 0xFF, dbottom >> 8, dbottom & 0xFF));
tft->transmitCmd(LCD_RAMWR); // write to RAM
//ESP_LOGI(TAG, "x1:%d x2:%d y1:%d y2:%d\n", dleft, dright, dtop, dbottom);
tft->setAddrWindow(dleft, dtop, dright, dbottom);
uint16_t *p = (uint16_t *)malloc(sizeof(uint16_t) * len);
if (!p) {
@ -250,7 +248,7 @@ static UINT tjd_output(
for (uint32_t i = 0; i < len; i++) {
p[i] = tft->color565(dev->linbuf[dev->linbuf_idx][i].r, dev->linbuf[dev->linbuf_idx][i].g, dev->linbuf[dev->linbuf_idx][i].b);
}
tft->_fastSendBuf(p, len);
tft->_fastSendBuf(p, len, true); // TODO: Swapping bytes directly in the camera register could enhance display
free(p);
dev->linbuf_idx = ((dev->linbuf_idx + 1) & 1);
@ -450,7 +448,7 @@ void lvgl_lcd_hal_init()
/*screen initialize*/
tft->invertDisplay(true);
tft->setRotation(0);
tft->setRotation(2); // rotation needed if camera is on the back of the device
tft->fillScreen(COLOR_BLACK);
lv_disp_drv_t disp_drv; /*Descriptor of a display driver*/