mirror of
https://github.com/eddyem/stm32samples.git
synced 2025-12-06 10:45:11 +03:00
192 lines
5.7 KiB
C
192 lines
5.7 KiB
C
/*
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* This file is part of the nitrogen project.
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* Copyright 2023 Edward V. Emelianov <edward.emelianoff@gmail.com>.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stm32f3.h>
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// in 4-wire SPI mode there's 16-bit color data: (MSB) 5R-6G-5B (LSB)
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#define RGB(r,g,b) (((r&0x1f)<<11)|((g&0x3f)<<5)|((b&0x1F)))
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/***** Registers *****/
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// No-op register
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#define ILI9341_NOP 0x00
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// Software reset register
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#define ILI9341_SWRESET 0x01
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// Read display identification information
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#define ILI9341_RDDID 0x04
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// Read Display Status
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#define ILI9341_RDDST 0x09
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// Read Display Power Mode
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#define ILI9341_RDMODE 0x0A
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// Read Display MADCTL
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#define ILI9341_RDMADCTL 0x0B
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// Read Display Pixel Format
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#define ILI9341_RDPIXFMT 0x0C
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// Read Display Image Format
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#define ILI9341_RDIMGFMT 0x0D
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// Read Display Signal Mode
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#define ILI9341_RDSIGMODE 0x0E
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// Read Display Self-Diagnostic Result
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#define ILI9341_RDSELFDIAG 0x0F
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// Enter Sleep Mode
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#define ILI9341_SLPIN 0x10
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// Sleep Out
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#define ILI9341_SLPOUT 0x11
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// Partial Mode ON
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#define ILI9341_PTLON 0x12
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// Normal Display Mode ON
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#define ILI9341_NORON 0x13
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// Display Inversion OFF
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#define ILI9341_INVOFF 0x20
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// Display Inversion ON
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#define ILI9341_INVON 0x21
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// Gamma Set
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#define ILI9341_GAMMASET 0x26
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// Display OFF
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#define ILI9341_DISPOFF 0x28
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// Display ON
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#define ILI9341_DISPON 0x29
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// Column Address Set
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#define ILI9341_CASET 0x2A
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// Page Address Set
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#define ILI9341_PASET 0x2B
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// Memory Write
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#define ILI9341_RAMWR 0x2C
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// Color Set
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#define ILI9341_COLRSET 0x2D
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// Memory Read
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#define ILI9341_RAMRD 0x2E
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// Partial Area
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#define ILI9341_PTLAR 0x30
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// Vertical Scrolling Definition
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#define ILI9341_VSCRDEF 0x33
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// Tearing Effect Line OFF
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#define ILI9341_TEAROFF 0x34
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// Tearing Effect Line ON
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#define ILI9341_TEARON 0x35
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// Memory Access Control
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#define ILI9341_MADCTL 0x36
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// Vertical Scrolling Start Address
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#define ILI9341_VSCRSADD 0x37
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// Idle Mode OFF
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#define ILI9341_IDLEOFF 0x38
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// Idle Mode ON
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#define ILI9341_IDLEON 0x39
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// COLMOD: Pixel Format Set
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#define ILI9341_COLMOD 0x3A
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// Write Memory Continue
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#define ILI9341_WRMEMCONT 0x3C
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// Read Memory Continue
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#define ILI9341_RDMEMCONT 0x3E
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// Write Display Brightness
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#define ILI9341_WRBRIGHT 0x51
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// Write CTRL Display
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#define ILI9341_WRCTRLDIS 0x53
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// RGB Interface Signal Control
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#define ILI9341_RGBCTL 0xB0
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// Frame Rate Control (In Normal Mode/Full Colors)
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#define ILI9341_FRCTLN 0xB1
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// Frame Rate Control (In Idle Mode/8 colors)
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#define ILI9341_FRCTLI 0xB2
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// Frame Rate control (In Partial Mode/Full Colors)
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#define ILI9341_FRCTLP 0xB3
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// Display Inversion Control
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#define ILI9341_INVCTL 0xB4
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// Blanking Porch Control
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#define ILI9341_BLPOCTL 0xB5
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// Display Function Control
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#define ILI9341_DFUNCTL 0xB6
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// Entry Mode Set
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#define ILI9341_ENTRMODSET 0xB7
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// Backlight Control x (x=1..5, 7,8)
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#define ILI9341_BACKLCTL(x) (0xB7+x)
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// Power Control x (x=1..)
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#define ILI9341_POWCTL(x) (0xBF+x)
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// VCOM Control 1
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#define ILI9341_VCOMCTL1 0xC5
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// VCOM Control 2
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#define ILI9341_VCOMCTL2 0xC7
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// Power control A
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#define ILI9341_POWCTLA 0xCB
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// Power control B
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#define ILI9341_POWCTLB 0xCF
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// Positive Gamma Correction
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#define ILI9341_POSGAMCOR 0xE0
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// Negative Gamma Correction
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#define ILI9341_NEGGAMCOR 0xE1
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// Driver timing control A1
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#define ILI9341_DRVTCTLA1 0xE8
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// Driver timing control A2
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#define ILI9341_DRVTCTLA2 0xE9
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// Driver timing control B
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#define ILI9341_DRVTCTLB 0xEA
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// Power on sequence control
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#define ILI9341_POWONSEQCTL 0xED
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// Enable 3G
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#define ILI9341_3GEN 0xF2
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// Interface Control
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#define ILI9341_IFACECTL 0xF6
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// Pump ratio control
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#define ILI9341_PUMPRATCTL 0xF7
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// MADCTL bits:
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// row address (==1 - upside down)- 0x80
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#define ILI9341_MADCTL_MY (1<<7)
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// column address (==1 - right to left) - 0x40
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#define ILI9341_MADCTL_MX (1<<6)
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// row/column exchange - 0x20
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#define ILI9341_MADCTL_MV (1<<5)
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// vertical refresh direction - 0x10
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#define ILI9341_MADCTL_ML (1<<4)
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// == 1 for RGB - 0x08
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#define ILI9341_MADCTL_RGB (1<<3)
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// horizontal refresh direction - 0x04
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#define ILI9341_MADCTL_MH (1<<2)
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#define SCRNSZMAX 320
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#define SCRNSZMIN 240
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#define SCRNSZ (SCRNSZMAX*SCRNSZMIN)
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// Different orientations
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// default orientation: w=320, h=240, zero in upper left corner, connector is from the left
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#define DEFMADCTL (ILI9341_MADCTL_MX | ILI9341_MADCTL_MY | ILI9341_MADCTL_MV | ILI9341_MADCTL_RGB)
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#define SCRNW SCRNSZMAX
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#define SCRNH SCRNSZMIN
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#define COLORBUFSZ (2*SCRNW)
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extern uint16_t colorbuf[];
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int ili9341_init();
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int ili9341_on();
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int ili9341_off();
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int ili9341_readreg(uint8_t reg, uint8_t *data, uint32_t N);
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int ili9341_writereg(uint8_t reg, const uint8_t *data, uint32_t N);
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int ili9341_writereg16(uint8_t reg, uint16_t data);
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int ili9341_writereg32(uint8_t reg, uint16_t data1, uint16_t data2);
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int ili9341_writecmd(uint8_t cmd);
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int ili9341_writedata(uint8_t *data, uint32_t N);
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int ili9341_readdata(uint8_t *data, uint32_t N);
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int ili9341_readregdma(uint8_t reg, uint8_t *data, uint32_t N);
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int ili9341_fill(uint16_t color);
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int ili9341_filln(uint16_t color);
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int ili9341_fillp(uint16_t color, int sz);
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int ili9341_setcol(uint16_t start, uint16_t stop);
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int ili9341_setrow(uint16_t start, uint16_t stop);
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