RaspberrpPi_JLX_LCD/lib/st7302_lcd/st7302_lcd.c

89 lines
3.4 KiB
C

#include "st7302_lcd.h"
uint8_t st7302_gd_unknown_init_sequence[] = {
0x01, 0xEB, 0x02, // Enable OTP
0x01, 0xD7, 0x68, // OTP Load Control
0x01, 0xD1, 0x01, // Auto Power Control
0x01, 0xC0, 0x40, // Gate Voltage setting
0x06, 0xC1, 0x22, 0x28, 0x28, 0x22, 0x14, 0x00, // VSH Setting
0x04, 0xC2, 0x00, 0x00, 0x00, 0x00, // VSL Setting
0x01, 0xCB, 0x0E, // VCOMH Setting
0x01, 0xB3, 0x94, // VCOM EQ Enable
0x0A, 0xB4, 0xE5, 0x66, 0x85, 0xFF, 0xFF, 0x52, 0x85, 0xFF, 0xFF, 0x52, // Gate EQ
0x02, 0xC7, 0xA6, 0xE9, // OSC Setting
0x01, 0xB0, 0x3F, // Duty Setting
0x02, 0xB2, 0x01, 0x05, // Frame Rate Setting
0x01, 0x36, 0x20, // Memory Access Mode
0x01, 0x3A, 0x01, // Data Format
0x01, 0xB9, 0x23, // Source Setting
0x01, 0xB8, 0x09, // Panel Setting
0x02, 0x2A, 0x19, 0x23, // Column Address Setting
0x02, 0x2B, 0x00, 0x7C, // Row Address Setting
};
uint8_t st7302_gd_unknown_hpm_init_sequence[] = {
0x01, 0xEB, 0x02, // Enable OTP
0x01, 0xD7, 0x68, // OTP Load Control
0x01, 0xD1, 0x01, // Auto Power Control
0x01, 0xC0, 0xF6, // Gate Voltage setting
0x06, 0xC1, 0x28, 0x28, 0x28, 0x28, 0x14, 0x00, // VSH Setting
0x04, 0xC2, 0x06, 0x06, 0x06, 0x06, // VSL Setting
0x01, 0xCB, 0x08, // VCOMH Setting
0x01, 0xB3, 0x94, // VCOM EQ Enable
0x0A, 0xB4, 0xE5, 0x66, 0xFD, 0xFF, 0xFF, 0x7F, 0xFD, 0xFF, 0xFF, 0x7F, // Gate EQ
0x02, 0xC7, 0xA6, 0xE9, // OSC Setting
0x01, 0xB0, 0x3F, // Duty Setting
0x02, 0xB2, 0x00, 0x05, // Frame Rate Setting
0x01, 0x36, 0x20, // Memory Access Mode
0x01, 0x3A, 0x01, // Data Format
0x01, 0xB9, 0x23, // Source Setting
0x01, 0xB8, 0x09, // Panel Setting
0x02, 0x2A, 0x19, 0x23, // Column Address Setting
0x02, 0x2B, 0x00, 0x7C, // Row Address Setting
};
st7302_ret_t _st7302_init_seq(st7302_t *lcd) {
uint16_t i = 0;
while(i < sizeof(ST7302_PANEL_SELECTION)) {
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, &ST7302_PANEL_SELECTION[i + 1], ST7302_PANEL_SELECTION[i] + 1));
i += ST7302_PANEL_SELECTION[i] + 2;
}
return ST7302_OK;
}
st7302_ret_t st7302_init(st7302_t *lcd) {
ST7302_ERROR_CHECK(lcd->cb.reset_cb(lcd->user_data));
ST7302_ERROR_CHECK(_st7302_init_seq(lcd));
uint8_t command[3] = {0xB2, 0x01, 0x05};
command[0] = 0x11;
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x01)); // Sleep Out
ST7302_ERROR_CHECK(lcd->cb.delay_cb(lcd->user_data, 100 * 1000));
command[0] = 0x29;
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x01)); // Display ON
command[0] = 0x39;
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x01)); // LPM ON
return ST7302_OK;
}
st7302_ret_t st7302_upload(st7302_t *lcd, uint8_t col_start, uint8_t col_end, uint8_t row_start, uint8_t row_end, uint8_t *data) {
uint8_t command[3] = { 0x2A, col_start, col_end };
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x03)); // Column address set
command[0] = 0x2B;
command[1] = row_start;
command[2] = row_end;
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x03)); // Row address set
command[0] = 0x2C; // Write DATA
ST7302_ERROR_CHECK(lcd->cb.write_cmd_cb(lcd->user_data, command, 0x01));
uint16_t data_len = (col_end - col_start + 1) * (row_end - row_start + 1) * 3;
ST7302_ERROR_CHECK(lcd->cb.write_data_cb(lcd->user_data, data, data_len));
}