diff options
Diffstat (limited to 'fw/fe310/eos/dev/ili9806e.c')
-rw-r--r-- | fw/fe310/eos/dev/ili9806e.c | 431 |
1 files changed, 431 insertions, 0 deletions
diff --git a/fw/fe310/eos/dev/ili9806e.c b/fw/fe310/eos/dev/ili9806e.c new file mode 100644 index 0000000..b8bc67f --- /dev/null +++ b/fw/fe310/eos/dev/ili9806e.c @@ -0,0 +1,431 @@ +#include <stdlib.h> +#include <stdint.h> +#include <string.h> +#include <stdio.h> + +#include "eos.h" + +#include "soc/spi.h" +#include "soc/spi9bit.h" +#include "soc/timer.h" + +#include "ili9806e.h" + +int eos_ili9806e_init(void) { + int rv; + uint8_t chip_id[3]; + + eos_spi_cs_set(); + + /* LCD Setting */ + eos_spi9bit_write(0, 0xFF); // change to Page 1 CMD + eos_spi9bit_write(1, 0xFF); + eos_spi9bit_write(1, 0x98); + eos_spi9bit_write(1, 0x06); + eos_spi9bit_write(1, 0x04); + eos_spi9bit_write(1, 0x01); + + // eos_spi9bit_write(0, 0x08); // Output SDA + // eos_spi9bit_write(1, 0x10); + + eos_spi9bit_write(0, 0xFE); // enable read + eos_spi9bit_write(1, 0x81); + + eos_spi9bit_write(0, 0x00); // RDID4 + eos_spi9bit_read(&chip_id[0]); + + eos_spi9bit_write(0, 0x01); + eos_spi9bit_read(&chip_id[1]); + + eos_spi9bit_write(0, 0x02); + eos_spi9bit_read(&chip_id[2]); + + printf("LCD CHIP ID: %.2x%.2x%.2x\n", chip_id[0], chip_id[1], chip_id[2]); + + eos_spi9bit_write(0, 0xFE); // disable read + eos_spi9bit_write(1, 0x00); + + if (memcmp(chip_id, "\x98\x06\x04", sizeof(chip_id))) { + eos_spi_cs_clear(); + return EOS_ERR_ABSENT; + } + + eos_spi9bit_write(0, 0x20); // set DE/VSYNC mode + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x21); // DE = 1 Active + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x30); // resolution setting 480 X 854 + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x31); // inversion setting 2-dot + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x40); // BT AVDD,AVDD + eos_spi9bit_write(1, 0x16); + + eos_spi9bit_write(0, 0x41); + eos_spi9bit_write(1, 0x33); // 22 + + eos_spi9bit_write(0, 0x42); + eos_spi9bit_write(1, 0x03); // VGL=DDVDH+VCIP-DDVDL, VGH=2DDVDL-VCIP + + eos_spi9bit_write(0, 0x43); + eos_spi9bit_write(1, 0x09); // set VGH clamp level + + eos_spi9bit_write(0, 0x44); + eos_spi9bit_write(1, 0x06); // set VGL clamp level + + eos_spi9bit_write(0, 0x50); // VREG1 + eos_spi9bit_write(1, 0x88); + + eos_spi9bit_write(0, 0x51); // VREG2 + eos_spi9bit_write(1, 0x88); + + eos_spi9bit_write(0, 0x52); // flicker MSB + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x53); // flicker LSB + eos_spi9bit_write(1, 0x49); // VCOM + + eos_spi9bit_write(0, 0x55); // flicker + eos_spi9bit_write(1, 0x49); + + eos_spi9bit_write(0, 0x60); + eos_spi9bit_write(1, 0x07); + + eos_spi9bit_write(0, 0x61); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x62); + eos_spi9bit_write(1, 0x07); + + eos_spi9bit_write(0, 0x63); + eos_spi9bit_write(1, 0x00); + + /* Gamma Setting */ + eos_spi9bit_write(0, 0xA0); // positive Gamma + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0xA1); + eos_spi9bit_write(1, 0x09); + + eos_spi9bit_write(0, 0xA2); + eos_spi9bit_write(1, 0x11); + + eos_spi9bit_write(0, 0xA3); + eos_spi9bit_write(1, 0x0B); + + eos_spi9bit_write(0, 0xA4); + eos_spi9bit_write(1, 0x05); + + eos_spi9bit_write(0, 0xA5); + eos_spi9bit_write(1, 0x08); + + eos_spi9bit_write(0, 0xA6); + eos_spi9bit_write(1, 0x06); + + eos_spi9bit_write(0, 0xA7); + eos_spi9bit_write(1, 0x04); + + eos_spi9bit_write(0, 0xA8); + eos_spi9bit_write(1, 0x09); + + eos_spi9bit_write(0, 0xA9); + eos_spi9bit_write(1, 0x0C); + + eos_spi9bit_write(0, 0xAA); + eos_spi9bit_write(1, 0x15); + + eos_spi9bit_write(0, 0xAB); + eos_spi9bit_write(1, 0x08); + + eos_spi9bit_write(0, 0xAC); + eos_spi9bit_write(1, 0x0F); + + eos_spi9bit_write(0, 0xAD); + eos_spi9bit_write(1, 0x12); + + eos_spi9bit_write(0, 0xAE); + eos_spi9bit_write(1, 0x09); + + eos_spi9bit_write(0, 0xAF); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0xC0); // negative Gamma + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0xC1); + eos_spi9bit_write(1, 0x09); + + eos_spi9bit_write(0, 0xC2); + eos_spi9bit_write(1, 0x10); + + eos_spi9bit_write(0, 0xC3); + eos_spi9bit_write(1, 0x0C); + + eos_spi9bit_write(0, 0xC4); + eos_spi9bit_write(1, 0x05); + + eos_spi9bit_write(0, 0xC5); + eos_spi9bit_write(1, 0x08); + + eos_spi9bit_write(0, 0xC6); + eos_spi9bit_write(1, 0x06); + + eos_spi9bit_write(0, 0xC7); + eos_spi9bit_write(1, 0x04); + + eos_spi9bit_write(0, 0xC8); + eos_spi9bit_write(1, 0x08); + + eos_spi9bit_write(0, 0xC9); + eos_spi9bit_write(1, 0x0C); + + eos_spi9bit_write(0, 0xCA); + eos_spi9bit_write(1, 0x14); + + eos_spi9bit_write(0, 0xCB); + eos_spi9bit_write(1, 0x08); + + eos_spi9bit_write(0, 0xCC); + eos_spi9bit_write(1, 0x0F); + + eos_spi9bit_write(0, 0xCD); + eos_spi9bit_write(1, 0x11); + + eos_spi9bit_write(0, 0xCE); + eos_spi9bit_write(1, 0x09); + + eos_spi9bit_write(0, 0xCF); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0xFF); // change to Page 6 CMD for GIP timing + eos_spi9bit_write(1, 0xFF); + eos_spi9bit_write(1, 0x98); + eos_spi9bit_write(1, 0x06); + eos_spi9bit_write(1, 0x04); + eos_spi9bit_write(1, 0x06); + + eos_spi9bit_write(0, 0x00); + eos_spi9bit_write(1, 0x20); + + eos_spi9bit_write(0, 0x01); + eos_spi9bit_write(1, 0x0A); + + eos_spi9bit_write(0, 0x02); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x03); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x04); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x05); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x06); + eos_spi9bit_write(1, 0x98); + + eos_spi9bit_write(0, 0x07); + eos_spi9bit_write(1, 0x06); + + eos_spi9bit_write(0, 0x08); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x09); + eos_spi9bit_write(1, 0x80); + + eos_spi9bit_write(0, 0x0A); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x0B); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x0C); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x0D); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x0E); + eos_spi9bit_write(1, 0x05); + + eos_spi9bit_write(0, 0x0F); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x10); + eos_spi9bit_write(1, 0xF0); + + eos_spi9bit_write(0, 0x11); + eos_spi9bit_write(1, 0xF4); + + eos_spi9bit_write(0, 0x12); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x13); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x14); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x15); + eos_spi9bit_write(1, 0xC0); + + eos_spi9bit_write(0, 0x16); + eos_spi9bit_write(1, 0x08); + + eos_spi9bit_write(0, 0x17); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x18); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x19); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x1A); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x1B); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x1C); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x1D); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x20); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x21); + eos_spi9bit_write(1, 0x23); + + eos_spi9bit_write(0, 0x22); + eos_spi9bit_write(1, 0x45); + + eos_spi9bit_write(0, 0x23); + eos_spi9bit_write(1, 0x67); + + eos_spi9bit_write(0, 0x24); + eos_spi9bit_write(1, 0x01); + + eos_spi9bit_write(0, 0x25); + eos_spi9bit_write(1, 0x23); + + eos_spi9bit_write(0, 0x26); + eos_spi9bit_write(1, 0x45); + + eos_spi9bit_write(0, 0x27); + eos_spi9bit_write(1, 0x67); + + eos_spi9bit_write(0, 0x30); + eos_spi9bit_write(1, 0x11); + + eos_spi9bit_write(0, 0x31); + eos_spi9bit_write(1, 0x11); + + eos_spi9bit_write(0, 0x32); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x33); + eos_spi9bit_write(1, 0xEE); + + eos_spi9bit_write(0, 0x34); + eos_spi9bit_write(1, 0xFF); + + eos_spi9bit_write(0, 0x35); + eos_spi9bit_write(1, 0xBB); + + eos_spi9bit_write(0, 0x36); + eos_spi9bit_write(1, 0xAA); + + eos_spi9bit_write(0, 0x37); + eos_spi9bit_write(1, 0xDD); + + eos_spi9bit_write(0, 0x38); + eos_spi9bit_write(1, 0xCC); + + eos_spi9bit_write(0, 0x39); + eos_spi9bit_write(1, 0x66); + + eos_spi9bit_write(0, 0x3A); + eos_spi9bit_write(1, 0x77); + + eos_spi9bit_write(0, 0x3B); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0x3C); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0x3D); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0x3E); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0x3F); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0x40); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0xFF); // change to Page 7 CMD for GIP timing + eos_spi9bit_write(1, 0xFF); + eos_spi9bit_write(1, 0x98); + eos_spi9bit_write(1, 0x06); + eos_spi9bit_write(1, 0x04); + eos_spi9bit_write(1, 0x07); + + eos_spi9bit_write(0, 0x17); + eos_spi9bit_write(1, 0x22); + + eos_spi9bit_write(0, 0x02); + eos_spi9bit_write(1, 0x77); + + eos_spi9bit_write(0, 0x26); + eos_spi9bit_write(1, 0xB2); + + eos_spi9bit_write(0, 0xFF); // change to Page 0 CMD for normal command + eos_spi9bit_write(1, 0xFF); + eos_spi9bit_write(1, 0x98); + eos_spi9bit_write(1, 0x06); + eos_spi9bit_write(1, 0x04); + eos_spi9bit_write(1, 0x00); + + eos_spi9bit_write(0, 0x3A); + eos_spi9bit_write(1, 0x70); // 24BIT + + eos_spi9bit_write(0, 0x11); + eos_time_sleep(120); + eos_spi9bit_write(0, 0x29); + eos_time_sleep(25); + + eos_spi_cs_clear(); + + return EOS_OK; +} + +void eos_ili9806e_sleep(void) { + eos_spi_cs_set(); + + eos_spi9bit_write(0, 0x28); + eos_time_sleep(10); + eos_spi9bit_write(0, 0x10); + + eos_spi_cs_clear(); + +} + +void eos_ili9806e_wake(void) { + eos_spi_cs_set(); + + eos_spi9bit_write(0, 0x11); + eos_time_sleep(120); + eos_spi9bit_write(0, 0x29); + + eos_spi_cs_clear(); +} |