code rename

1 files changed, 546 insertions, 0 deletions

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 <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+
+#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;
+}