87 lines
2.1 KiB
C
87 lines
2.1 KiB
C
/*
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* Copyright (c) 2017 Jan Van Winkel <jan.van_winkel@dxplore.eu>
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "display_ili9340.h"
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void ili9340_lcd_init(struct ili9340_data *data)
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{
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u8_t tx_data[15];
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tx_data[0] = 0x23;
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ili9340_transmit(data, ILI9340_CMD_POWER_CTRL_1, tx_data, 1);
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tx_data[0] = 0x10;
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ili9340_transmit(data, ILI9340_CMD_POWER_CTRL_2, tx_data, 1);
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tx_data[0] = 0x3e;
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tx_data[1] = 0x28;
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ili9340_transmit(data, ILI9340_CMD_VCOM_CTRL_1, tx_data, 2);
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tx_data[0] = 0x86;
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ili9340_transmit(data, ILI9340_CMD_VCOM_CTRL_2, tx_data, 1);
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tx_data[0] =
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ILI9340_DATA_MEM_ACCESS_CTRL_MV | ILI9340_DATA_MEM_ACCESS_CTRL_BGR;
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ili9340_transmit(data, ILI9340_CMD_MEM_ACCESS_CTRL, tx_data, 1);
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#ifdef CONFIG_ILI9340_RGB565
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tx_data[0] = ILI9340_DATA_PIXEL_FORMAT_MCU_16_BIT |
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ILI9340_DATA_PIXEL_FORMAT_RGB_16_BIT;
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#else
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tx_data[0] = ILI9340_DATA_PIXEL_FORMAT_MCU_18_BIT |
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ILI9340_DATA_PIXEL_FORMAT_RGB_18_BIT;
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#endif
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ili9340_transmit(data, ILI9340_CMD_PIXEL_FORMAT_SET, tx_data, 1);
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tx_data[0] = 0x00;
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tx_data[1] = 0x18;
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ili9340_transmit(data, ILI9340_CMD_FRAME_CTRL_NORMAL_MODE, tx_data, 2);
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tx_data[0] = 0x08;
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tx_data[1] = 0x82;
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tx_data[2] = 0x27;
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ili9340_transmit(data, ILI9340_CMD_DISPLAY_FUNCTION_CTRL, tx_data, 3);
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tx_data[0] = 0x01;
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ili9340_transmit(data, ILI9340_CMD_GAMMA_SET, tx_data, 1);
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tx_data[0] = 0x0F;
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tx_data[1] = 0x31;
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tx_data[2] = 0x2B;
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tx_data[3] = 0x0C;
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tx_data[4] = 0x0E;
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tx_data[5] = 0x08;
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tx_data[6] = 0x4E;
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tx_data[7] = 0xF1;
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tx_data[8] = 0x37;
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tx_data[9] = 0x07;
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tx_data[10] = 0x10;
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tx_data[11] = 0x03;
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tx_data[12] = 0x0E;
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tx_data[13] = 0x09;
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tx_data[14] = 0x00;
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ili9340_transmit(data, ILI9340_CMD_POSITIVE_GAMMA_CORRECTION, tx_data,
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15);
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tx_data[0] = 0x00;
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tx_data[1] = 0x0E;
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tx_data[2] = 0x14;
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tx_data[3] = 0x03;
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tx_data[4] = 0x11;
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tx_data[5] = 0x07;
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tx_data[6] = 0x31;
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tx_data[7] = 0xC1;
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tx_data[8] = 0x48;
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tx_data[9] = 0x08;
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tx_data[10] = 0x0F;
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tx_data[11] = 0x0C;
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tx_data[12] = 0x31;
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tx_data[13] = 0x36;
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tx_data[14] = 0x0F;
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ili9340_transmit(data, ILI9340_CMD_NEGATIVE_GAMMA_CORRECTION, tx_data,
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15);
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}
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