From 412a8f99928beff605805807b0f07f6bf8d0a965 Mon Sep 17 00:00:00 2001 From: Uros Majstorovic Date: Fri, 13 May 2022 12:45:53 +0200 Subject: code rename --- fw/fe310/eos/dev/lcd.c | 546 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 546 insertions(+) create mode 100644 fw/fe310/eos/dev/lcd.c (limited to 'fw/fe310/eos/dev/lcd.c') diff --git a/fw/fe310/eos/dev/lcd.c b/fw/fe310/eos/dev/lcd.c new file mode 100644 index 0000000..3080a13 --- /dev/null +++ b/fw/fe310/eos/dev/lcd.c @@ -0,0 +1,546 @@ +#include +#include +#include +#include + +#include "encoding.h" +#include "platform.h" + +#include "eos.h" +#include "timer.h" +#include "i2s.h" +#include "net.h" +#include "spi_dev.h" +#include "eve/eve.h" + +#include "board.h" + +#include "lcd.h" + +#define BIT_PUT(b, pin) if (b) GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << (pin)); else GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << (pin)); +#define BIT_GET(pin) ((GPIO_REG(GPIO_INPUT_VAL) & (1 << (pin))) >> (pin)) + +#define SCK_UP { GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << IOF_SPI1_SCK); } +#define SCK_DN { GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << IOF_SPI1_SCK); } + +static inline void _sleep(int n) { + volatile int x = n; + + while(x) x--; +} + +int eos_lcd_select(void) { + if (eos_i2s_running()) return EOS_ERR_BUSY; + if (eos_spi_dev() != EOS_SPI_DEV_NET) return EOS_ERR_BUSY; + + eos_net_stop(); + + GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << LCD_PIN_CS); + + GPIO_REG(GPIO_INPUT_EN) &= ~(1 << LCD_PIN_CS); + GPIO_REG(GPIO_OUTPUT_EN) |= (1 << LCD_PIN_CS); + + GPIO_REG(GPIO_IOF_EN) &= ~SPI_IOF_MASK; + + return EOS_OK; +} + +void eos_lcd_deselect(void) { + GPIO_REG(GPIO_IOF_EN) |= SPI_IOF_MASK; + eos_net_start(); +} + +void eos_lcd_cs_set(void) { + GPIO_REG(GPIO_OUTPUT_VAL) |= (1 << LCD_PIN_CS); +} + +void eos_lcd_cs_clear(void) { + GPIO_REG(GPIO_OUTPUT_VAL) &= ~(1 << LCD_PIN_CS); +} + +/* sck frequency for r/w operations is 0.8Mhz */ +void eos_lcd_write(uint8_t dc, uint8_t data) { + int i; + + BIT_PUT(dc, IOF_SPI1_MOSI); + _sleep(10); + SCK_UP; + for (i=0; i<8; i++) { + _sleep(10); + SCK_DN; + BIT_PUT(data & 0x80, IOF_SPI1_MOSI); + _sleep(10); + SCK_UP; + data = data << 1; + } + _sleep(10); + SCK_DN; +} + +void eos_lcd_read(uint8_t *data) { + int i; + + *data = 0; + for (i=0; i<8; i++) { + _sleep(10); + *data = *data << 1; + *data |= BIT_GET(IOF_SPI1_MISO); + SCK_UP; + _sleep(10); + SCK_DN; + } +} + +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(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(1, 0x10); + + 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(1, 0x01); + + 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(1, 0x00); + + 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(0, 0x42); + 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(0, 0x44); + eos_lcd_write(1, 0x06); // set VGL clamp level + + eos_lcd_write(0, 0x50); // VREG1 + eos_lcd_write(1, 0x88); + + eos_lcd_write(0, 0x51); // VREG2 + eos_lcd_write(1, 0x88); + + 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, 0x55); // flicker + eos_lcd_write(1, 0x49); + + eos_lcd_write(0, 0x60); + eos_lcd_write(1, 0x07); + + eos_lcd_write(0, 0x61); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x62); + eos_lcd_write(1, 0x07); + + eos_lcd_write(0, 0x63); + eos_lcd_write(1, 0x00); + + /* Gamma Setting */ + eos_lcd_write(0, 0xA0); // positive Gamma + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0xA1); + eos_lcd_write(1, 0x09); + + eos_lcd_write(0, 0xA2); + eos_lcd_write(1, 0x11); + + eos_lcd_write(0, 0xA3); + eos_lcd_write(1, 0x0B); + + eos_lcd_write(0, 0xA4); + eos_lcd_write(1, 0x05); + + eos_lcd_write(0, 0xA5); + eos_lcd_write(1, 0x08); + + eos_lcd_write(0, 0xA6); + eos_lcd_write(1, 0x06); + + eos_lcd_write(0, 0xA7); + eos_lcd_write(1, 0x04); + + eos_lcd_write(0, 0xA8); + eos_lcd_write(1, 0x09); + + eos_lcd_write(0, 0xA9); + eos_lcd_write(1, 0x0C); + + eos_lcd_write(0, 0xAA); + eos_lcd_write(1, 0x15); + + eos_lcd_write(0, 0xAB); + eos_lcd_write(1, 0x08); + + eos_lcd_write(0, 0xAC); + eos_lcd_write(1, 0x0F); + + eos_lcd_write(0, 0xAD); + eos_lcd_write(1, 0x12); + + eos_lcd_write(0, 0xAE); + eos_lcd_write(1, 0x09); + + eos_lcd_write(0, 0xAF); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0xC0); // negative Gamma + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0xC1); + eos_lcd_write(1, 0x09); + + eos_lcd_write(0, 0xC2); + eos_lcd_write(1, 0x10); + + eos_lcd_write(0, 0xC3); + eos_lcd_write(1, 0x0C); + + eos_lcd_write(0, 0xC4); + eos_lcd_write(1, 0x05); + + eos_lcd_write(0, 0xC5); + eos_lcd_write(1, 0x08); + + eos_lcd_write(0, 0xC6); + eos_lcd_write(1, 0x06); + + eos_lcd_write(0, 0xC7); + eos_lcd_write(1, 0x04); + + eos_lcd_write(0, 0xC8); + eos_lcd_write(1, 0x08); + + eos_lcd_write(0, 0xC9); + eos_lcd_write(1, 0x0C); + + eos_lcd_write(0, 0xCA); + eos_lcd_write(1, 0x14); + + eos_lcd_write(0, 0xCB); + eos_lcd_write(1, 0x08); + + eos_lcd_write(0, 0xCC); + eos_lcd_write(1, 0x0F); + + eos_lcd_write(0, 0xCD); + eos_lcd_write(1, 0x11); + + eos_lcd_write(0, 0xCE); + eos_lcd_write(1, 0x09); + + 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(1, 0xFF); + eos_lcd_write(1, 0x98); + eos_lcd_write(1, 0x06); + eos_lcd_write(1, 0x04); + eos_lcd_write(1, 0x06); + + eos_lcd_write(0, 0x00); + eos_lcd_write(1, 0x20); + + eos_lcd_write(0, 0x01); + eos_lcd_write(1, 0x0A); + + eos_lcd_write(0, 0x02); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x03); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x04); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x05); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x06); + eos_lcd_write(1, 0x98); + + eos_lcd_write(0, 0x07); + eos_lcd_write(1, 0x06); + + eos_lcd_write(0, 0x08); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x09); + eos_lcd_write(1, 0x80); + + eos_lcd_write(0, 0x0A); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x0B); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x0C); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x0D); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x0E); + eos_lcd_write(1, 0x05); + + eos_lcd_write(0, 0x0F); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x10); + eos_lcd_write(1, 0xF0); + + eos_lcd_write(0, 0x11); + eos_lcd_write(1, 0xF4); + + eos_lcd_write(0, 0x12); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x13); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x14); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x15); + eos_lcd_write(1, 0xC0); + + eos_lcd_write(0, 0x16); + eos_lcd_write(1, 0x08); + + eos_lcd_write(0, 0x17); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x18); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x19); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x1A); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x1B); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x1C); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x1D); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x20); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x21); + eos_lcd_write(1, 0x23); + + eos_lcd_write(0, 0x22); + eos_lcd_write(1, 0x45); + + eos_lcd_write(0, 0x23); + eos_lcd_write(1, 0x67); + + eos_lcd_write(0, 0x24); + eos_lcd_write(1, 0x01); + + eos_lcd_write(0, 0x25); + eos_lcd_write(1, 0x23); + + eos_lcd_write(0, 0x26); + eos_lcd_write(1, 0x45); + + eos_lcd_write(0, 0x27); + eos_lcd_write(1, 0x67); + + eos_lcd_write(0, 0x30); + eos_lcd_write(1, 0x11); + + eos_lcd_write(0, 0x31); + eos_lcd_write(1, 0x11); + + eos_lcd_write(0, 0x32); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x33); + eos_lcd_write(1, 0xEE); + + eos_lcd_write(0, 0x34); + eos_lcd_write(1, 0xFF); + + eos_lcd_write(0, 0x35); + eos_lcd_write(1, 0xBB); + + eos_lcd_write(0, 0x36); + eos_lcd_write(1, 0xAA); + + eos_lcd_write(0, 0x37); + eos_lcd_write(1, 0xDD); + + eos_lcd_write(0, 0x38); + eos_lcd_write(1, 0xCC); + + eos_lcd_write(0, 0x39); + eos_lcd_write(1, 0x66); + + eos_lcd_write(0, 0x3A); + eos_lcd_write(1, 0x77); + + eos_lcd_write(0, 0x3B); + eos_lcd_write(1, 0x22); + + eos_lcd_write(0, 0x3C); + eos_lcd_write(1, 0x22); + + eos_lcd_write(0, 0x3D); + eos_lcd_write(1, 0x22); + + eos_lcd_write(0, 0x3E); + eos_lcd_write(1, 0x22); + + eos_lcd_write(0, 0x3F); + eos_lcd_write(1, 0x22); + + 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(1, 0xFF); + eos_lcd_write(1, 0x98); + eos_lcd_write(1, 0x06); + eos_lcd_write(1, 0x04); + eos_lcd_write(1, 0x07); + + eos_lcd_write(0, 0x17); + eos_lcd_write(1, 0x22); + + eos_lcd_write(0, 0x02); + eos_lcd_write(1, 0x77); + + 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(1, 0xFF); + eos_lcd_write(1, 0x98); + eos_lcd_write(1, 0x06); + eos_lcd_write(1, 0x04); + eos_lcd_write(1, 0x00); + + eos_lcd_write(0, 0x3A); + eos_lcd_write(1, 0x70); // 24BIT + + eos_lcd_write(0, 0x11); + eos_time_sleep(120); + eos_lcd_write(0, 0x29); + eos_time_sleep(25); + + eos_lcd_cs_clear(); + eos_lcd_deselect(); + + return EOS_OK; +} + +int eos_lcd_init(uint8_t wakeup_cause) { + eos_spi_select(EOS_SPI_DEV_EVE); + eve_gpio_set(EVE_GPIO_LCD_EN, 1); + eos_spi_deselect(); + eos_time_sleep(200); + + return _init(); +} + +int eos_lcd_sleep(void) { + int rv; + + rv = eos_lcd_select(); + if (rv) return rv; + + eos_lcd_cs_set(); + + eos_lcd_write(0, 0x28); + eos_time_sleep(10); + eos_lcd_write(0, 0x10); + + eos_lcd_cs_clear(); + eos_lcd_deselect(); + + eos_spi_select(EOS_SPI_DEV_EVE); + eve_gpio_set(EVE_GPIO_LCD_EN, 0); + eos_spi_deselect(); + + return EOS_OK; +} + +int eos_lcd_wake(void) { + int rv; + + eos_spi_select(EOS_SPI_DEV_EVE); + eve_gpio_set(EVE_GPIO_LCD_EN, 1); + eos_spi_deselect(); + eos_time_sleep(200); + + rv = eos_lcd_select(); + if (rv) return rv; + + eos_lcd_cs_set(); + + eos_lcd_write(0, 0x11); + eos_time_sleep(120); + eos_lcd_write(0, 0x29); + + eos_lcd_cs_clear(); + eos_lcd_deselect(); + + return EOS_OK; +} -- cgit v1.2.3