diff options
Diffstat (limited to 'fw/fe310/eos/lcd.c')
| -rw-r--r-- | fw/fe310/eos/lcd.c | 70 |
1 files changed, 47 insertions, 23 deletions
diff --git a/fw/fe310/eos/lcd.c b/fw/fe310/eos/lcd.c index cf09018..3080a13 100644 --- a/fw/fe310/eos/lcd.c +++ b/fw/fe310/eos/lcd.c @@ -1,5 +1,7 @@ #include <stdlib.h> #include <stdint.h> +#include <string.h> +#include <stdio.h> #include "encoding.h" #include "platform.h" @@ -91,62 +93,84 @@ void eos_lcd_read(uint8_t *data) { static int _init(void) { int rv; + uint8_t chip_id[3]; rv = eos_lcd_select(); if (rv) return rv; eos_lcd_cs_set(); /* LCD Setting */ - eos_lcd_write(0, 0xFF); // change to Page 1 CMD + eos_lcd_write(0, 0xFF); // change to Page 1 CMD eos_lcd_write(1, 0xFF); eos_lcd_write(1, 0x98); eos_lcd_write(1, 0x06); eos_lcd_write(1, 0x04); eos_lcd_write(1, 0x01); - // eos_lcd_write(0, 0x08); // Output SDA + // eos_lcd_write(0, 0x08); // Output SDA // eos_lcd_write(1, 0x10); - eos_lcd_write(0, 0x20); // set DE/VSYNC mode + eos_lcd_write(0, 0xFE); // enable read + eos_lcd_write(1, 0x81); + + eos_lcd_write(0, 0x00); // RDID4 + eos_lcd_read(&chip_id[0]); + + eos_lcd_write(0, 0x01); + eos_lcd_read(&chip_id[1]); + + eos_lcd_write(0, 0x02); + eos_lcd_read(&chip_id[2]); + + printf("LCD CHIP ID: %.2x%.2x%.2x\n", chip_id[0], chip_id[1], chip_id[2]); + + eos_lcd_write(0, 0xFE); // disable read + eos_lcd_write(1, 0x00); + + if (memcmp(chip_id, "\x98\x06\x04", sizeof(chip_id))) { + return EOS_ERR_ABSENT; + } + + eos_lcd_write(0, 0x20); // set DE/VSYNC mode eos_lcd_write(1, 0x00); - eos_lcd_write(0, 0x21); // DE = 1 Active + eos_lcd_write(0, 0x21); // DE = 1 Active eos_lcd_write(1, 0x01); - eos_lcd_write(0, 0x30); // resolution setting 480 X 854 + eos_lcd_write(0, 0x30); // resolution setting 480 X 854 eos_lcd_write(1, 0x01); - eos_lcd_write(0, 0x31); // inversion setting 2-dot + eos_lcd_write(0, 0x31); // inversion setting 2-dot eos_lcd_write(1, 0x00); - eos_lcd_write(0, 0x40); // BT AVDD,AVDD + eos_lcd_write(0, 0x40); // BT AVDD,AVDD eos_lcd_write(1, 0x16); eos_lcd_write(0, 0x41); - eos_lcd_write(1, 0x33); // 22 + eos_lcd_write(1, 0x33); // 22 eos_lcd_write(0, 0x42); - eos_lcd_write(1, 0x03); // VGL=DDVDH+VCIP-DDVDL, VGH=2DDVDL-VCIP + eos_lcd_write(1, 0x03); // VGL=DDVDH+VCIP-DDVDL, VGH=2DDVDL-VCIP eos_lcd_write(0, 0x43); - eos_lcd_write(1, 0x09); // set VGH clamp level + eos_lcd_write(1, 0x09); // set VGH clamp level eos_lcd_write(0, 0x44); - eos_lcd_write(1, 0x06); // set VGL clamp level + eos_lcd_write(1, 0x06); // set VGL clamp level - eos_lcd_write(0, 0x50); // VREG1 + eos_lcd_write(0, 0x50); // VREG1 eos_lcd_write(1, 0x88); - eos_lcd_write(0, 0x51); // VREG2 + eos_lcd_write(0, 0x51); // VREG2 eos_lcd_write(1, 0x88); - eos_lcd_write(0, 0x52); // flicker MSB + eos_lcd_write(0, 0x52); // flicker MSB eos_lcd_write(1, 0x00); - eos_lcd_write(0, 0x53); // flicker LSB - eos_lcd_write(1, 0x49); // VCOM + eos_lcd_write(0, 0x53); // flicker LSB + eos_lcd_write(1, 0x49); // VCOM - eos_lcd_write(0, 0x55); // flicker + eos_lcd_write(0, 0x55); // flicker eos_lcd_write(1, 0x49); eos_lcd_write(0, 0x60); @@ -162,7 +186,7 @@ static int _init(void) { eos_lcd_write(1, 0x00); /* Gamma Setting */ - eos_lcd_write(0, 0xA0); // positive Gamma + eos_lcd_write(0, 0xA0); // positive Gamma eos_lcd_write(1, 0x00); eos_lcd_write(0, 0xA1); @@ -210,7 +234,7 @@ static int _init(void) { eos_lcd_write(0, 0xAF); eos_lcd_write(1, 0x00); - eos_lcd_write(0, 0xC0); // negative Gamma + eos_lcd_write(0, 0xC0); // negative Gamma eos_lcd_write(1, 0x00); eos_lcd_write(0, 0xC1); @@ -258,7 +282,7 @@ static int _init(void) { eos_lcd_write(0, 0xCF); eos_lcd_write(1, 0x00); - eos_lcd_write(0, 0xFF); // change to Page 6 CMD for GIP timing + eos_lcd_write(0, 0xFF); // change to Page 6 CMD for GIP timing eos_lcd_write(1, 0xFF); eos_lcd_write(1, 0x98); eos_lcd_write(1, 0x06); @@ -430,7 +454,7 @@ static int _init(void) { eos_lcd_write(0, 0x40); eos_lcd_write(1, 0x22); - eos_lcd_write(0, 0xFF); // change to Page 7 CMD for GIP timing + eos_lcd_write(0, 0xFF); // change to Page 7 CMD for GIP timing eos_lcd_write(1, 0xFF); eos_lcd_write(1, 0x98); eos_lcd_write(1, 0x06); @@ -446,7 +470,7 @@ static int _init(void) { eos_lcd_write(0, 0x26); eos_lcd_write(1, 0xB2); - eos_lcd_write(0, 0xFF); // change to Page 0 CMD for normal command + eos_lcd_write(0, 0xFF); // change to Page 0 CMD for normal command eos_lcd_write(1, 0xFF); eos_lcd_write(1, 0x98); eos_lcd_write(1, 0x06); @@ -454,7 +478,7 @@ static int _init(void) { eos_lcd_write(1, 0x00); eos_lcd_write(0, 0x3A); - eos_lcd_write(1, 0x70); // 24BIT + eos_lcd_write(1, 0x70); // 24BIT eos_lcd_write(0, 0x11); eos_time_sleep(120); |