Comments (5)
nopnop2002
commented on June 22, 2024
Change here to 16.
https://github.com/nopnop2002/esp-idf-parallel-tft/blob/main/components/tft_library/lcd_com.c#L317
Uncomment here.
https://github.com/nopnop2002/esp-idf-parallel-tft/blob/main/components/tft_library/lcd_com.c#L361
Add define.
BOARD_LCD_I2S_Dn_PIN.
This project uses this driver.
https://github.com/espressif/esp-iot-solution/tree/master/components/bus
If official fails in 16-bit parallel, This project also fails.
from esp-idf-parallel-tft.
modi12jin
commented on June 22, 2024
@nopnop2002 How to change this code
from esp-idf-parallel-tft.
nopnop2002
commented on June 22, 2024
void gpio_lcd_write_data(int dummy1, unsigned char *data, size_t size) {
#if 8bit_mode
for (int i=0;i<size;i++) {
gpio_digital_write(LCD_D0_PIN, data[i] & 0x01);
gpio_digital_write(LCD_D1_PIN, data[i] & 0x02);
gpio_digital_write(LCD_D2_PIN, data[i] & 0x04);
gpio_digital_write(LCD_D3_PIN, data[i] & 0x08);
gpio_digital_write(LCD_D4_PIN, data[i] & 0x10);
gpio_digital_write(LCD_D5_PIN, data[i] & 0x20);
gpio_digital_write(LCD_D6_PIN, data[i] & 0x40);
gpio_digital_write(LCD_D7_PIN, data[i] & 0x80);
gpio_set_level( LCD_WR_PIN, 0 );
gpio_set_level( LCD_WR_PIN, 1 );
}
#else
for (int i=0;i<size/2;i=i+2) {
gpio_digital_write(LCD_D0_PIN, data[i] & 0x01);
gpio_digital_write(LCD_D1_PIN, data[i] & 0x02);
gpio_digital_write(LCD_D2_PIN, data[i] & 0x04);
gpio_digital_write(LCD_D3_PIN, data[i] & 0x08);
gpio_digital_write(LCD_D4_PIN, data[i] & 0x10);
gpio_digital_write(LCD_D5_PIN, data[i] & 0x20);
gpio_digital_write(LCD_D6_PIN, data[i] & 0x40);
gpio_digital_write(LCD_D7_PIN, data[i] & 0x80);
gpio_digital_write(LCD_D8_PIN, data[i+1] & 0x01);
gpio_digital_write(LCD_D9_PIN, data[i+1] & 0x02);
gpio_digital_write(LCD_D10_PIN, data[i+1] & 0x04);
gpio_digital_write(LCD_D11_PIN, data[i+1] & 0x08);
gpio_digital_write(LCD_D12_PIN, data[i+1] & 0x10);
gpio_digital_write(LCD_D13_PIN, data[i+1] & 0x20);
gpio_digital_write(LCD_D14_PIN, data[i+1] & 0x40);
gpio_digital_write(LCD_D15_PIN, data[i+1] & 0x80);
gpio_set_level( LCD_WR_PIN, 0 );
gpio_set_level( LCD_WR_PIN, 1 );
}
#endif
}
void reg_lcd_write_data(int dummy1, unsigned char *data, size_t size) {
#if 8bit_mode
for (int i=0;i<size;i++) {
reg_digital_write(LCD_D0_PIN, data[i] & 0x01);
reg_digital_write(LCD_D1_PIN, data[i] & 0x02);
reg_digital_write(LCD_D2_PIN, data[i] & 0x04);
reg_digital_write(LCD_D3_PIN, data[i] & 0x08);
reg_digital_write(LCD_D4_PIN, data[i] & 0x10);
reg_digital_write(LCD_D5_PIN, data[i] & 0x20);
reg_digital_write(LCD_D6_PIN, data[i] & 0x40);
reg_digital_write(LCD_D7_PIN, data[i] & 0x80);
gpio_set_level( LCD_WR_PIN, 0 );
gpio_set_level( LCD_WR_PIN, 1 );
}
#else
for (int i=0;i<size/2;i=i+2) {
reg_digital_write(LCD_D0_PIN, data[i] & 0x01);
reg_digital_write(LCD_D1_PIN, data[i] & 0x02);
reg_digital_write(LCD_D2_PIN, data[i] & 0x04);
reg_digital_write(LCD_D3_PIN, data[i] & 0x08);
reg_digital_write(LCD_D4_PIN, data[i] & 0x10);
reg_digital_write(LCD_D5_PIN, data[i] & 0x20);
reg_digital_write(LCD_D6_PIN, data[i] & 0x40);
reg_digital_write(LCD_D7_PIN, data[i] & 0x80);
reg_digital_write(LCD_D8_PIN, data[i+1] & 0x01);
reg_digital_write(LCD_D9_PIN, data[i+1] & 0x02);
reg_digital_write(LCD_D10_PIN, data[i+1] & 0x04);
reg_digital_write(LCD_D11_PIN, data[i+1] & 0x08);
reg_digital_write(LCD_D12_PIN, data[i+1] & 0x10);
reg_digital_write(LCD_D13_PIN, data[i+1] & 0x20);
reg_digital_write(LCD_D14_PIN, data[i+1] & 0x40);
reg_digital_write(LCD_D15_PIN, data[i+1] & 0x80);
gpio_set_level( LCD_WR_PIN, 0 );
gpio_set_level( LCD_WR_PIN, 1 );
}
}
I haven't tested it.
from esp-idf-parallel-tft.
nopnop2002
commented on June 22, 2024
When using REGISTER I/O parallel, GPIO from D0 to D15 is 1 to 31.
Because the register address is different after GPIO31.
from esp-idf-parallel-tft.
modi12jin
commented on June 22, 2024
@nopnop2002 I have tried and failed
The 16-bit parallel port of the official board may have something worthy of reference
https://github.com/espressif/esp-dev-kits/tree/master/esp32-s2-hmi-devkit-1
from esp-idf-parallel-tft.
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