my SPI_TFT_ILI9341 lib
Fork of SPI_TFT_ILI9341 by
Diff: SPI_TFT_ILI9341.cpp
- Revision:
- 1:6d6125e88de7
- Parent:
- 0:da1bf437cbc1
- Child:
- 2:0a16083193a4
diff -r da1bf437cbc1 -r 6d6125e88de7 SPI_TFT_ILI9341.cpp --- a/SPI_TFT_ILI9341.cpp Wed Jun 12 22:54:38 2013 +0000 +++ b/SPI_TFT_ILI9341.cpp Thu Jun 13 19:54:24 2013 +0000 @@ -98,66 +98,165 @@ +// Init code based on MI0283QT datasheet + void SPI_TFT_ILI9341::tft_reset() { - //static unsigned short driverCode; _spi.format(8,3); // 8 bit spi mode 3 - _spi.frequency(12000000); // 12 Mhz SPI clock + _spi.frequency(10000000); // 10 Mhz SPI clock _cs = 1; // cs high _dc = 1; // dc high _reset = 0; // display reset wait_us(50); - _reset = 1; // end reset + _reset = 1; // end hardware reset wait_ms(5); + + wr_cmd(0x01); // SW reset + wait_ms(5); + wr_cmd(0x28); // display off /* Start Initial Sequence ----------------------------------------------------*/ - wr_cmd(0xCD); // Power Control A + wr_cmd(0xCF); + _spi.write(0x00); + _spi.write(0x83); + _spi.write(0x30); + _cs = 1; + + wr_cmd(0xED); + _spi.write(0x64); + _spi.write(0x03); + _spi.write(0x12); + _spi.write(0x81); + _cs = 1; + + wr_cmd(0xE8); + _spi.write(0x85); + _spi.write(0x01); + _spi.write(0x79); + _cs = 1; + + wr_cmd(0xCB); _spi.write(0x39); _spi.write(0x2C); _spi.write(0x00); _spi.write(0x34); _spi.write(0x02); _cs = 1; - - wr_cmd(0xCF); // Power Control B - _spi.write(0x00); - _spi.write(0xAA); - _spi.write(0xB0); + + wr_cmd(0xF7); + _spi.write(0x20); _cs = 1; - wr_cmd(0xF7); // CMD_PUMP_RATIO_CONTROL - _spi.write(0x30); + + wr_cmd(0xEA); + _spi.write(0x00); + _spi.write(0x00); _cs = 1; + wr_cmd(0xC0); // POWER_CONTROL_1 - _spi.write(0x25); + _spi.write(0x26); _cs = 1; + wr_cmd(0xC1); // POWER_CONTROL_2 _spi.write(0x11); _cs = 1; + wr_cmd(0xC5); // VCOM_CONTROL_1 - _spi.write(0x5C); - _spi.write(0x4C); + _spi.write(0x35); + _spi.write(0x3E); _cs = 1; + wr_cmd(0xC7); // VCOM_CONTROL_2 - _spi.write(0x94); - _cs = 1; - wr_cmd(0xE8); // DRIVER_TIMING_CONTROL_A - _spi.write(0x85); - _spi.write(0x01); - _spi.write(0x78); + _spi.write(0xBE); _cs = 1; - wr_cmd(0xEA); // DRIVER_TIMING_CONTROL_B - _spi.write(0x00); - _spi.write(0x00); - _cs = 1; - wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET - _spi.write(0x05); - _cs = 1; + wr_cmd(0x36); // MEMORY_ACCESS_CONTROL _spi.write(0x48); _cs = 1; - WindowMax (); -} + + wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET + _spi.write(0x55); // 16 bit pixel + _cs = 1; + + wr_cmd(0xB1); // Frame Rate + _spi.write(0x00); + _spi.write(0x1B); + _cs = 1; + + wr_cmd(0xF2); // Gamma Function Disable + _spi.write(0x08); + _cs = 1; + + wr_cmd(0x26); + _spi.write(0x01); // gamma set for curve 01/2/04/08 + _cs = 1; + + wr_cmd(0xE0); // positive gamma correction + _spi.write(0x1F); + _spi.write(0x1A); + _spi.write(0x18); + _spi.write(0x0A); + _spi.write(0x0F); + _spi.write(0x06); + _spi.write(0x45); + _spi.write(0x87); + _spi.write(0x32); + _spi.write(0x0A); + _spi.write(0x07); + _spi.write(0x02); + _spi.write(0x07); + _spi.write(0x05); + _spi.write(0x00); + _cs = 1; + + wr_cmd(0xE1); // negativ gamma correction + _spi.write(0x00); + _spi.write(0x25); + _spi.write(0x27); + _spi.write(0x05); + _spi.write(0x10); + _spi.write(0x09); + _spi.write(0x3A); + _spi.write(0x78); + _spi.write(0x4D); + _spi.write(0x05); + _spi.write(0x18); + _spi.write(0x0D); + _spi.write(0x38); + _spi.write(0x3A); + _spi.write(0x1F); + _cs = 1; + + WindowMax (); + + //wr_cmd(0x34); // tearing effect off + //_cs = 1; + + //wr_cmd(0x35); // tearing effect on + //_cs = 1; + + wr_cmd(0xB7); // entry mode + _spi.write(0x07); + _cs = 1; + + wr_cmd(0xB6); // display function control + _spi.write(0x0A); + _spi.write(0x82); + _spi.write(0x27); + _spi.write(0x00); + _cs = 1; + + wr_cmd(0x11); // sleep out + _cs = 1; + + wait_ms(100); + + wr_cmd(0x29); // display on + _cs = 1; + + wait_ms(100); + + } void SPI_TFT_ILI9341::pixel(int x, int y, int color)