diff options
Diffstat (limited to 'src/display.c')
| -rw-r--r-- | src/display.c | 41 |
1 files changed, 37 insertions, 4 deletions
diff --git a/src/display.c b/src/display.c index b5c4ba0..9600ec0 100644 --- a/src/display.c +++ b/src/display.c @@ -21,6 +21,17 @@ // bbbbbggg gggrrrrr +// 00000000 + +uint16_t dsp_color(uint8_t r, uint8_t g, uint8_t b) +{ + r &= 0x1F; + g &= 0x3F; + b &= 0x1F; + uint16_t c = (b << 11) | (g << 5) | r; + return c; +} + void dsp_write_data(uint8_t data) { gpio_dout(LCD_D0, data & 0x01); @@ -72,7 +83,20 @@ void dsp_init(void) gpio_mode(LCD_D5, OUTPUT); gpio_mode(LCD_D6, OUTPUT); gpio_mode(LCD_D7, OUTPUT); - gpio_dout(LCD_CS, 1); + gpio_speed(LCD_CS, LOW); + gpio_speed(LCD_RS, LOW); + gpio_speed(LCD_RD, LOW); + gpio_speed(LCD_WR, LOW); + gpio_speed(LCD_RST, LOW); + gpio_speed(LCD_D0, LOW); + gpio_speed(LCD_D1, LOW); + gpio_speed(LCD_D2, LOW); + gpio_speed(LCD_D3, LOW); + gpio_speed(LCD_D4, LOW); + gpio_speed(LCD_D5, LOW); + gpio_speed(LCD_D6, LOW); + gpio_speed(LCD_D7, LOW); + gpio_dout(LCD_CS, 0); gpio_dout(LCD_RS, 1); gpio_dout(LCD_RD, 1); gpio_dout(LCD_WR, 1); @@ -120,15 +144,24 @@ void dsp_init(void) dsp_write_data(0x11); dsp_write_cmd(0xC5); // frame rate/inversion ctl dsp_write_data(0x03); + + // backlight + dsp_write_cmd(0x55); + dsp_write_data(0x01); + dsp_write_cmd(0x53); + dsp_write_data(0x2C); + dsp_write_cmd(0x51); + dsp_write_data(0x01); + dsp_write_cmd(0x36); // rot. and stuff dsp_write_data(0x41); dsp_write_cmd(0x3A); // set pixel format - dsp_write_data(0x55); + dsp_write_data(0x65); dsp_write_cmd(0x11); delay(150); dsp_write_cmd(0x29); // set display on delay(500); - dsp_write_cmd(0x33); // set scroll area + /*dsp_write_cmd(0x33); // set scroll area dsp_write_data(0x00); dsp_write_data(0x00); dsp_write_data(LCD_HEIGHT >> 8); @@ -137,7 +170,7 @@ void dsp_init(void) dsp_write_data(0x00); dsp_write_cmd(0x37); dsp_write_data(0x00); - dsp_write_data(0x00); + dsp_write_data(0x00);*/ dsp_set_addr(0, 0, LCD_WIDTH, LCD_HEIGHT); } |