diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/platforms/esp32s3/gdma_lcd_parallel16.cpp | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/platforms/esp32s3/gdma_lcd_parallel16.cpp b/src/platforms/esp32s3/gdma_lcd_parallel16.cpp index 0b25c77..19a5865 100644 --- a/src/platforms/esp32s3/gdma_lcd_parallel16.cpp +++ b/src/platforms/esp32s3/gdma_lcd_parallel16.cpp @@ -7,10 +7,12 @@ and register poking. Probably more robust ways of doing this still TBD. - FULL CREDIT goes to AdaFruit + FULL CREDIT goes to AdaFruit and https://github.com/PaintYourDragon https://blog.adafruit.com/2022/06/21/esp32uesday-more-s3-lcd-peripheral-hacking-with-code/ + https://github.com/adafruit/Adafruit_Protomatter/blob/master/src/arch/esp32-s3.h + PLEASE SUPPORT THEM! */ @@ -71,7 +73,7 @@ LCD_CAM.lcd_user.lcd_reset = 1; esp_rom_delay_us(100); - auto lcd_clkm_div_num = 160000000 / _cfg.bus_freq / 2; + auto lcd_clkm_div_num = 160000000 / _cfg.bus_freq; ESP_LOGI(TAG, "Clock divider is %d", lcd_clkm_div_num); @@ -185,11 +187,19 @@ }; gdma_apply_strategy(dma_chan, &strategy_config); + gdma_transfer_ability_t ability = { + .sram_trans_align = 0, + .psram_trans_align = 0, + }; + gdma_set_transfer_ability(dma_chan, &ability); + // Enable DMA transfer callback + /* static gdma_tx_event_callbacks_t tx_cbs = { .on_trans_eof = dma_callback }; gdma_register_tx_event_callbacks(dma_chan, &tx_cbs, NULL); + */ // As mentioned earlier, the slowest clock we can get to the LCD // peripheral is 40 MHz / 250 / 64 = 2500 Hz. To make an even slower |