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83 lines
2.0 KiB
83 lines
2.0 KiB
2 months ago
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#include "../display_io.h"
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void lx154a2411_gamma(void) {
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// positive voltage correction
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ISSUE_CMD_BYTE(0xE0);
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ISSUE_DATA_BYTE(0xD0);
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ISSUE_DATA_BYTE(0x03);
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ISSUE_DATA_BYTE(0x08);
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ISSUE_DATA_BYTE(0x0E);
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ISSUE_DATA_BYTE(0x11);
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ISSUE_DATA_BYTE(0x2B);
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ISSUE_DATA_BYTE(0x3B);
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ISSUE_DATA_BYTE(0x44);
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ISSUE_DATA_BYTE(0x4C);
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ISSUE_DATA_BYTE(0x2B);
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ISSUE_DATA_BYTE(0x16);
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ISSUE_DATA_BYTE(0x15);
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ISSUE_DATA_BYTE(0x1E);
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ISSUE_DATA_BYTE(0x21);
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// negative voltage correction
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ISSUE_CMD_BYTE(0xE1);
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ISSUE_DATA_BYTE(0xD0);
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ISSUE_DATA_BYTE(0x03);
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ISSUE_DATA_BYTE(0x08);
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ISSUE_DATA_BYTE(0x0E);
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ISSUE_DATA_BYTE(0x11);
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ISSUE_DATA_BYTE(0x2B);
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ISSUE_DATA_BYTE(0x3B);
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ISSUE_DATA_BYTE(0x54);
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ISSUE_DATA_BYTE(0x4C);
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ISSUE_DATA_BYTE(0x2B);
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ISSUE_DATA_BYTE(0x16);
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ISSUE_DATA_BYTE(0x15);
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ISSUE_DATA_BYTE(0x1E);
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ISSUE_DATA_BYTE(0x21);
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}
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void lx154a2411_init_seq(void) {
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// most recent manual:
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// https://www.newhavendisplay.com/appnotes/datasheets/LCDs/ST7789V.pdf
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// TEON: Tearing Effect Line On; V-blanking only
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ISSUE_CMD_BYTE(0x35);
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ISSUE_DATA_BYTE(0x00);
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// COLMOD: Interface Pixel format; 65K color: 16-bit/pixel (RGB 5-6-5 bits
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// input)
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ISSUE_CMD_BYTE(0x3A);
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ISSUE_DATA_BYTE(0x55);
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// CMD2EN: Commands in command table 2 can be executed when EXTC level is Low
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ISSUE_CMD_BYTE(0xDF);
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ISSUE_DATA_BYTE(0x5A);
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ISSUE_DATA_BYTE(0x69);
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ISSUE_DATA_BYTE(0x02);
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ISSUE_DATA_BYTE(0x01);
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// LCMCTRL: LCM Control: XOR RGB setting
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ISSUE_CMD_BYTE(0xC0);
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ISSUE_DATA_BYTE(0x20);
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// GATECTRL: Gate Control; NL = 240 gate lines, first scan line is gate 80.;
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// gate scan direction 319 -> 0
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ISSUE_CMD_BYTE(0xE4);
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ISSUE_DATA_BYTE(0x1D);
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ISSUE_DATA_BYTE(0x0A);
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ISSUE_DATA_BYTE(0x11);
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// INVOFF (20h): Display Inversion Off
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// INVON (21h): Display Inversion On
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ISSUE_CMD_BYTE(0x20);
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// the above config is the most important and definitely necessary
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// PWCTRL1: Power Control 1
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ISSUE_CMD_BYTE(0xD0);
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ISSUE_DATA_BYTE(0xA4);
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ISSUE_DATA_BYTE(0xA1);
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lx154a2411_gamma();
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}
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