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ili9341.cpp
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ili9341.cpp
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/*
* Copyright (c) 2014-2015, TAKAHASHI Tomohiro (TTRFTECH) edy555@gmail.com
* All rights reserved.
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3, or (at your option)
* any later version.
*
* The software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Radio; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ili9341.hpp"
#include "Font.h"
#include "plot.hpp"
// Display commands list
#define ILI9341_NOP 0x00
#define ILI9341_SOFTWARE_RESET 0x01
#define ILI9341_READ_IDENTIFICATION 0x04
#define ILI9341_READ_STATUS 0x09
#define ILI9341_READ_POWER_MODE 0x0A
#define ILI9341_READ_MADCTL 0x0B
#define ILI9341_READ_PIXEL_FORMAT 0x0C
#define ILI9341_READ_IMAGE_FORMAT 0x0D
#define ILI9341_READ_SIGNAL_MODE 0x0E
#define ILI9341_READ_SELF_DIAGNOSTIC 0x0F
#define ILI9341_SLEEP_IN 0x10
#define ILI9341_SLEEP_OUT 0x11
#define ILI9341_PARTIAL_MODE_ON 0x12
#define ILI9341_NORMAL_DISPLAY_MODE_ON 0x13
#define ILI9341_INVERSION_OFF 0x20
#define ILI9341_INVERSION_ON 0x21
#define ILI9341_GAMMA_SET 0x26
#define ILI9341_DISPLAY_OFF 0x28
#define ILI9341_DISPLAY_ON 0x29
#define ILI9341_COLUMN_ADDRESS_SET 0x2A
#define ILI9341_PAGE_ADDRESS_SET 0x2B
#define ILI9341_MEMORY_WRITE 0x2C
#define ILI9341_COLOR_SET 0x2D
#define ILI9341_MEMORY_READ 0x2E
#define ILI9341_PARTIAL_AREA 0x30
#define ILI9341_VERTICAL_SCROLLING_DEF 0x33
#define ILI9341_TEARING_LINE_OFF 0x34
#define ILI9341_TEARING_LINE_ON 0x35
#define ILI9341_MEMORY_ACCESS_CONTROL 0x36
#define ILI9341_VERTICAL_SCROLLING 0x37
#define ILI9341_IDLE_MODE_OFF 0x38
#define ILI9341_IDLE_MODE_ON 0x39
#define ILI9341_PIXEL_FORMAT_SET 0x3A
#define ILI9341_WRITE_MEMORY_CONTINUE 0x3C
#define ILI9341_READ_MEMORY_CONTINUE 0x3E
#define ILI9341_SET_TEAR_SCANLINE 0x44
#define ILI9341_GET_SCANLINE 0x45
#define ILI9341_WRITE_BRIGHTNESS 0x51
#define ILI9341_READ_BRIGHTNESS 0x52
#define ILI9341_WRITE_CTRL_DISPLAY 0x53
#define ILI9341_READ_CTRL_DISPLAY 0x54
#define ILI9341_WRITE_CA_BRIGHTNESS 0x55
#define ILI9341_READ_CA_BRIGHTNESS 0x56
#define ILI9341_WRITE_CA_MIN_BRIGHTNESS 0x5E
#define ILI9341_READ_CA_MIN_BRIGHTNESS 0x5F
#define ILI9341_READ_ID1 0xDA
#define ILI9341_READ_ID2 0xDB
#define ILI9341_READ_ID3 0xDC
#define ILI9341_RGB_INTERFACE_CONTROL 0xB0
#define ILI9341_FRAME_RATE_CONTROL_1 0xB1
#define ILI9341_FRAME_RATE_CONTROL_2 0xB2
#define ILI9341_FRAME_RATE_CONTROL_3 0xB3
#define ILI9341_DISPLAY_INVERSION_CONTROL 0xB4
#define ILI9341_BLANKING_PORCH_CONTROL 0xB5
#define ILI9341_DISPLAY_FUNCTION_CONTROL 0xB6
#define ILI9341_ENTRY_MODE_SET 0xB7
#define ILI9341_BACKLIGHT_CONTROL_1 0xB8
#define ILI9341_BACKLIGHT_CONTROL_2 0xB9
#define ILI9341_BACKLIGHT_CONTROL_3 0xBA
#define ILI9341_BACKLIGHT_CONTROL_4 0xBB
#define ILI9341_BACKLIGHT_CONTROL_5 0xBC
#define ILI9341_BACKLIGHT_CONTROL_7 0xBE
#define ILI9341_BACKLIGHT_CONTROL_8 0xBF
#define ILI9341_POWER_CONTROL_1 0xC0
#define ILI9341_POWER_CONTROL_2 0xC1
#define ILI9341_POWER_CONTROL_3 0xC2
#define ILI9341_VCOM_CONTROL_1 0xC5
#define ILI9341_VCOM_CONTROL_2 0xC7
#define ILI9341_POWERA 0xCB
#define ILI9341_POWERB 0xCF
#define ILI9341_NV_MEMORY_WRITE 0xD0
#define ILI9341_NV_PROTECTION_KEY 0xD1
#define ILI9341_NV_STATUS_READ 0xD2
#define ILI9341_READ_ID4 0xD3
#define ILI9341_POSITIVE_GAMMA_CORRECTION 0xE0
#define ILI9341_NEGATIVE_GAMMA_CORRECTION 0xE1
#define ILI9341_DIGITAL_GAMMA_CONTROL_1 0xE2
#define ILI9341_DIGITAL_GAMMA_CONTROL_2 0xE3
#define ILI9341_DTCA 0xE8
#define ILI9341_DTCB 0xEA
#define ILI9341_POWER_SEQ 0xED
#define ILI9341_3GAMMA_EN 0xF2
#define ILI9341_INTERFACE_CONTROL 0xF6
#define ILI9341_CSCON 0xF0
#define ILI9341_PUMP_RATIO_CONTROL 0xF7
//
// ILI9341_MEMORY_ACCESS_CONTROL registers
//
#define ILI9341_MADCTL_MY 0x80
#define ILI9341_MADCTL_MX 0x40
#define ILI9341_MADCTL_MV 0x20
#define ILI9341_MADCTL_ML 0x10
#define ILI9341_MADCTL_BGR 0x08
#define ILI9341_MADCTL_MH 0x04
#define ILI9341_MADCTL_RGB 0x00
#define DISPLAY_ROTATION_270 (ILI9341_MADCTL_MX | ILI9341_MADCTL_BGR)
#define DISPLAY_ROTATION_90 (ILI9341_MADCTL_MY | ILI9341_MADCTL_BGR)
#define DISPLAY_ROTATION_0 (ILI9341_MADCTL_MV | ILI9341_MADCTL_BGR)
#define DISPLAY_ROTATION_180 (ILI9341_MADCTL_MX | ILI9341_MADCTL_MY \
| ILI9341_MADCTL_MV | ILI9341_MADCTL_BGR)
#define RESET_ASSERT ;
#define RESET_NEGATE ;
#define CS_LOW ili9341_spi_set_cs(true)
#define CS_HIGH ili9341_spi_set_cs(false)
#define DC_CMD digitalWrite(ili9341_conf_dc, LOW)
#define DC_DATA digitalWrite(ili9341_conf_dc, HIGH)
uint16_t ili9341_spi_buffers[SPI_BUFFER_SIZE * 2];
static uint16_t* const ili9341_spi_bufferA = ili9341_spi_buffers;
static uint16_t* const ili9341_spi_bufferB = &ili9341_spi_buffers[SPI_BUFFER_SIZE];
uint16_t* ili9341_spi_buffer = ili9341_spi_bufferA;
// Default foreground & background colors
uint16_t foreground_color = 0;
uint16_t background_color = 0;
Pad ili9341_conf_dc;
small_function<void(bool selected)> ili9341_spi_set_cs;
small_function<uint32_t(uint32_t sdi, int bits)> ili9341_spi_transfer;
small_function<void(uint32_t words)> ili9341_spi_transfer_bulk;
small_function<void()> ili9341_spi_wait_bulk;
small_function<void(uint8_t *buf, uint32_t bytes)> ili9341_spi_read;
static inline void ssp_senddata(uint8_t x)
{
ili9341_spi_transfer(x, 8);
}
static inline uint8_t ssp_sendrecvdata(uint8_t x)
{
return (uint8_t) ili9341_spi_transfer(x, 8);
}
static inline void ssp_senddata16(uint16_t x)
{
ili9341_spi_transfer(x, 16);
}
static void send_command(uint8_t cmd, int len, const uint8_t *data)
{
CS_LOW;
DC_CMD;
// delayMicroseconds(1);
ssp_senddata(cmd);
DC_DATA;
// delayMicroseconds(1);
while (len-- > 0) {
ssp_senddata(*data++);
}
//CS_HIGH;
}
#ifndef DISPLAY_ST7796
static const uint8_t ili_init_seq[] = {
// cmd, len, data...,
// SW reset
ILI9341_SOFTWARE_RESET, 0,
// display off
ILI9341_DISPLAY_OFF, 0,
// Power control B
ILI9341_POWERB, 3, 0x00, 0xC1, 0x30,
// Power on sequence control
ILI9341_POWER_SEQ, 4, 0x64, 0x03, 0x12, 0x81,
// Driver timing control A
ILI9341_DTCA, 3, 0x85, 0x00, 0x78,
// Power control A
ILI9341_POWERA, 5, 0x39, 0x2C, 0x00, 0x34, 0x02,
// Pump ratio control
ILI9341_PUMP_RATIO_CONTROL, 1, 0x20,
// Driver timing control B
ILI9341_DTCB, 2, 0x00, 0x00,
// POWER_CONTROL_1
ILI9341_POWER_CONTROL_1, 1, 0x23,
// POWER_CONTROL_2
ILI9341_POWER_CONTROL_2, 1, 0x10,
// VCOM_CONTROL_1
ILI9341_VCOM_CONTROL_1, 2, 0x3e, 0x28,
// VCOM_CONTROL_2
ILI9341_VCOM_CONTROL_2, 1, 0xBE,
// MEMORY_ACCESS_CONTROL
//ILI9341_MEMORY_ACCESS_CONTROL, 1, 0x48, // portlait
ILI9341_MEMORY_ACCESS_CONTROL, 1, DISPLAY_ROTATION_0, // landscape
// COLMOD_PIXEL_FORMAT_SET : 16 bit pixel
ILI9341_PIXEL_FORMAT_SET, 1, 0x55,
// Frame Rate
ILI9341_FRAME_RATE_CONTROL_1, 2, 0x00, 0x18,
// Gamma Function Disable
ILI9341_3GAMMA_EN, 1, 0x00,
// gamma set for curve 01/2/04/08
ILI9341_GAMMA_SET, 1, 0x01,
// positive gamma correction
ILI9341_POSITIVE_GAMMA_CORRECTION, 15, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00,
// negativ gamma correction
ILI9341_NEGATIVE_GAMMA_CORRECTION, 15, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F,
// Column Address Set
//ILI9341_COLUMN_ADDRESS_SET, 4, 0x00, 0x00, 0x01, 0x3f, // width 320
// Page Address Set
//ILI9341_PAGE_ADDRESS_SET, 4, 0x00, 0x00, 0x00, 0xef, // height 240
// entry mode
ILI9341_ENTRY_MODE_SET, 1, 0x06,
// display function control
ILI9341_DISPLAY_FUNCTION_CONTROL, 3, 0x08, 0x82, 0x27,
// Interface Control (set WEMODE=0)
ILI9341_INTERFACE_CONTROL, 3, 0x00, 0x00, 0x00,
// sleep out
ILI9341_SLEEP_OUT, 0,
// display on
ILI9341_DISPLAY_ON, 0,
0 // sentinel
};
#else
static const uint8_t ili_init_seq[] = {
// SW reset
ILI9341_SOFTWARE_RESET, 0,
// display off
ILI9341_DISPLAY_OFF, 0,
// Interface Mode Control
ILI9341_RGB_INTERFACE_CONTROL, 1, 0x00,
// Frame Rate
ILI9341_FRAME_RATE_CONTROL_1, 2, 0x50, 0x10,
// Display Inversion Control , 2 Dot
ILI9341_DISPLAY_INVERSION_CONTROL, 1, 0x00,
// RGB/MCU Interface Control
ILI9341_DISPLAY_FUNCTION_CONTROL, 3, 0x02, 0x02, 0x3B,
// EntryMode
ILI9341_ENTRY_MODE_SET, 1, 0xC6,
// Power Control 1
// ILI9341_POWER_CONTROL_1, 2, 0x17, 0x15,
// Power Control 2
ILI9341_POWER_CONTROL_2, 1, 0x41,
// VCOM Control
//ILI9341_VCOM_CONTROL_1, 3, 0x00, 0x4D, 0x90,
ILI9341_VCOM_CONTROL_1, 3, 0x00, 0x12, 0x80,
// Memory Access
ILI9341_MEMORY_ACCESS_CONTROL, 1, 0x28, // landscape, BGR
//ILI9341_MEMORY_ACCESS_CONTROL, 1, 0x20, // landscape, RGB
// Interface Pixel Format, 16bpp DPI and DBI and
ILI9341_PIXEL_FORMAT_SET, 1, 0x55,
// P-Gamma
ILI9341_POSITIVE_GAMMA_CORRECTION, 15, 0x00, 0x03, 0x09, 0x08, 0x16, 0x0A, 0x3F, 0x78, 0x4C, 0x09, 0x0A, 0x08, 0x16, 0x1A, 0x0F,
// N-Gamma
ILI9341_NEGATIVE_GAMMA_CORRECTION, 15, 0x00, 0X16, 0X19, 0x03, 0x0F, 0x05, 0x32, 0x45, 0x46, 0x04, 0x0E, 0x0D, 0x35, 0x37, 0x0F,
//Set Image Func
// 0xE9, 1, 0x00,
// Set Brightness to Max
// ILI9341_WRITE_BRIGHTNESS, 1, 0xFF,
// Adjust Control
// ILI9341_PUMP_RATIO_CONTROL, 4, 0xA9, 0x51, 0x2C, 0x82,
//Exit Sleep
ILI9341_SLEEP_OUT, 0x00,
// display on
ILI9341_DISPLAY_ON, 0,
0 // sentinel
};
#endif
void
ili9341_init(void)
{
DC_DATA;
RESET_ASSERT;
delay(10);
RESET_NEGATE;
ili9341_spi_wait_bulk();
const uint8_t *p;
for (p = ili_init_seq; *p; ) {
send_command(p[0], p[1], &p[2]);
p += 2 + p[1];
delay(5);
}
}
// Reverses the byte order within each halfword of a word. For example, 0x12345678 becomes 0x34127856.
#if 0
#define __REV16(v) (((((uint32_t)(v) & 0xFF000000) >> 8) | (((uint32_t)(v) & 0x00FF0000) << 8) | (((uint32_t)(v) & 0x0000FF00) >> 8) | (((uint32_t)(v) & 0x0000FF) << 8)))
#else
static inline uint32_t __REV16(uint32_t value)
{
uint32_t result;
__asm volatile("rev16 %0, %1" : "=r" (result) : "r" (value));
return result;
}
#endif
#if 0
void ili9341_pixel(int x, int y, uint16_t color)
{
uint8_t xx[4] = { x >> 8, x, (x+1) >> 8, (x+1) };
uint8_t yy[4] = { y >> 8, y, (y+1) >> 8, (y+1) };
uint8_t cc[2] = { color >> 8, color };
ili9341_spi_wait_bulk();
send_command(0x2A, 4, xx);
send_command(0x2B, 4, yy);
send_command(0x2C, 2, cc);
//send_command16(0x2C, color);
}
#endif
void ili9341_fill(int x, int y, int w, int h, uint16_t color)
{
uint32_t len = w * h;
uint32_t xx = __REV16(x | ((x + w - 1) << 16));
uint32_t yy = __REV16(y | ((y + h - 1) << 16));
ili9341_spi_wait_bulk();
send_command(ILI9341_COLUMN_ADDRESS_SET, 4, (uint8_t*)&xx);
send_command(ILI9341_PAGE_ADDRESS_SET, 4, (uint8_t*)&yy);
send_command(ILI9341_MEMORY_WRITE, 0, NULL);
constexpr int chunkSize = 512;
static_assert(chunkSize <= SPI_BUFFER_SIZE);
uint32_t fill = len > chunkSize ? chunkSize : len;
for(uint32_t i=0; i< fill; i++)
ili9341_spi_buffer[i] = color;
while(len > 0) {
uint32_t bulk = len > fill ? fill : len;
ili9341_spi_transfer_bulk(bulk);
len -= bulk;
}
if(ili9341_spi_buffer == ili9341_spi_bufferA)
ili9341_spi_buffer = ili9341_spi_bufferB;
else ili9341_spi_buffer = ili9341_spi_bufferA;
}
void ili9341_bulk(int x, int y, int w, int h)
{
uint32_t len = w * h;
uint32_t xx = __REV16(x | ((x + w - 1) << 16));
uint32_t yy = __REV16(y | ((y + h - 1) << 16));
ili9341_spi_wait_bulk();
send_command(ILI9341_COLUMN_ADDRESS_SET, 4, (uint8_t*)&xx);
send_command(ILI9341_PAGE_ADDRESS_SET, 4, (uint8_t*)&yy);
send_command(ILI9341_MEMORY_WRITE, 0, NULL);
ili9341_spi_transfer_bulk(len);
// switch buffers so that the user can continue to render while
// the bulk transfer is happening.
if(ili9341_spi_buffer == ili9341_spi_bufferA)
ili9341_spi_buffer = ili9341_spi_bufferB;
else ili9341_spi_buffer = ili9341_spi_bufferA;
}
void
ili9341_read_memory(int x, int y, int w, int h, uint16_t *out)
{
uint32_t xx = __REV16(x | ((x + w - 1) << 16));
uint32_t yy = __REV16(y | ((y + h - 1) << 16));
ili9341_spi_wait_bulk();
send_command(ILI9341_COLUMN_ADDRESS_SET, 4, (uint8_t *)&xx);
send_command(ILI9341_PAGE_ADDRESS_SET, 4, (uint8_t*)&yy);
ili9341_spi_wait_bulk();
send_command(0x2E, 0, NULL);
int len = w * h;
#ifndef DISPLAY_ST7796
// require 8bit dummy clock
ssp_sendrecvdata(0);
do {
// read data is always 24bit RGB888
uint8_t r, g, b;
r = ssp_sendrecvdata(0);
g = ssp_sendrecvdata(0);
b = ssp_sendrecvdata(0);
*out++ = RGB565(r,g,b);
} while(--len);
#else
// require 8bit dummy clock
ssp_sendrecvdata(0);
// read data is always 16bit RGB565
ili9341_spi_read((uint8_t *)out, len * 2);
#endif
CS_HIGH;
}
void
ili9341_set_flip(bool flipX, bool flipY) {
ili9341_spi_wait_bulk();
uint8_t memAcc = ILI9341_MADCTL_BGR | ILI9341_MADCTL_MV;
if(flipX) memAcc |= ILI9341_MADCTL_MX;
if(flipY) memAcc |= ILI9341_MADCTL_MY;
send_command(ILI9341_MEMORY_ACCESS_CONTROL, 1, &memAcc);
}
//********************************************************************
void
ili9341_clear_screen(void)
{
ili9341_fill(0, 0, LCD_WIDTH, LCD_HEIGHT, background_color);
}
void
ili9341_set_foreground(uint16_t fg)
{
foreground_color = fg;
}
void
ili9341_set_background(uint16_t bg)
{
background_color = bg;
}
//static uint8_t bit_align = 0;
void ili9341_blitBitmap(uint16_t x, uint16_t y, uint16_t width, uint16_t height, const uint8_t *b)
{
uint16_t *buf = ili9341_spi_buffer;
uint8_t bits = 0;
for (uint32_t c = 0; c < height; c++) {
for (uint32_t r = 0; r < width; r++) {
if ((r&7) == 0) bits = *b++;
*buf++ = (0x80 & bits) ? foreground_color : background_color;
bits <<= 1;
}
// if (bit_align) b+=bit_align;
}
ili9341_bulk(x, y, width, height);
}
void
ili9341_drawchar(uint8_t ch, int x, int y)
{
ili9341_blitBitmap(x, y, FONT_GET_WIDTH(ch), FONT_GET_HEIGHT, FONT_GET_DATA(ch));
}
void ili9341_drawstring(const char *str, int x, int y)
{
int x_pos = x;
while (*str) {
uint8_t ch = *str++;
if (ch == '\n') {x = x_pos; y+=FONT_STR_HEIGHT; continue;}
const uint8_t *char_buf = FONT_GET_DATA(ch);
uint16_t w = FONT_GET_WIDTH(ch);
ili9341_blitBitmap(x, y, w, FONT_GET_HEIGHT, char_buf);
x += w;
}
}
void
ili9341_drawstring(const char *str, int len, int x, int y)
{
const char* end = str + len;
while (str < end) {
uint8_t ch = *str++;
const uint8_t *char_buf = FONT_GET_DATA(ch);
uint16_t w = FONT_GET_WIDTH(ch);
ili9341_blitBitmap(x, y, w, FONT_GET_HEIGHT, char_buf);
x += w;
}
}
int
ili9341_drawchar_size(uint8_t ch, int x, int y, uint8_t size)
{
uint16_t *buf = ili9341_spi_buffer;
const uint8_t *char_buf = FONT_GET_DATA(ch);
uint16_t w = FONT_GET_WIDTH(ch);
for (int c = 0; c < FONT_GET_HEIGHT; c++, char_buf++) {
for (int i = 0; i < size; i++) {
uint8_t bits = *char_buf;
for (int r = 0; r < w; r++, bits <<= 1)
for (int j = 0; j < size; j++)
*buf++ = (0x80 & bits) ? foreground_color : background_color;
}
}
ili9341_bulk(x, y, w * size, FONT_GET_HEIGHT * size);
return w*size;
}
//********************************************************************
void
ili9341_drawstring_size(const char *str, int x, int y, uint8_t size)
{
int origX = x;
while (*str){
uint8_t c =*str++;
if(c == '\n'){
x = origX;
y += FONT_STR_HEIGHT * size;
continue;
}
x += ili9341_drawchar_size(c, x, y, size);
}
}
#define SWAP(x,y) do { int z=x; x = y; y = z; } while(0)
void
ili9341_line(int x0, int y0, int x1, int y1)
{
if (x0 > x1) {
SWAP(x0, x1);
SWAP(y0, y1);
}
while (x0 <= x1) {
int dx = x1 - x0 + 1;
int dy = y1 - y0;
if (dy >= 0) {
dy++;
if (dy > dx) {
dy /= dx; dx = 1;
} else {
dx /= dy; dy = 1;
}
} else {
dy--;
if (-dy > dx) {
dy /= dx; dx = 1;
} else {
dx /= -dy; dy = -1;
}
}
if (dy > 0)
ili9341_fill(x0, y0, dx, dy, foreground_color);
else
ili9341_fill(x0, y0+dy, dx, -dy, foreground_color);
x0 += dx;
y0 += dy;
}
}
void
ili9341_drawfont(uint8_t ch, int x, int y)
{
ili9341_blitBitmap(x, y, NUM_FONT_GET_WIDTH, NUM_FONT_GET_HEIGHT, NUM_FONT_GET_DATA(ch));
}
#if 0
const uint16_t colormap[] = {
RGB565(255,0,0), RGB565(0,255,0), RGB565(0,0,255),
RGB565(255,255,0), RGB565(0,255,255), RGB565(255,0,255)
};
void
ili9341_test(int mode)
{
int x, y;
int i;
switch (mode) {
default:
#if 1
ili9341_fill(0, 0, 320, 240, 0);
for (y = 0; y < 240; y++) {
ili9341_fill(0, y, 320, 1, RGB565(y, (y + 120) % 256, 240-y));
}
break;
case 1:
ili9341_fill(0, 0, 320, 240, 0);
for (y = 0; y < 240; y++) {
for (x = 0; x < 320; x++) {
ili9341_pixel(x, y, (y<<8)|x);
}
}
break;
case 2:
//send_command16(0x55, 0xff00);
ili9341_pixel(64, 64, 0xaa55);
break;
#endif
#if 1
case 3:
for (i = 0; i < 10; i++)
ili9341_drawfont(i, &NF20x22, i*20, 120, colormap[i%6], 0x0000);
break;
#endif
#if 0
case 4:
draw_grid(10, 8, 29, 29, 15, 0, 0xffff, 0);
break;
#endif
case 4:
ili9341_line(0, 0, 15, 100, 0xffff);
ili9341_line(0, 0, 100, 100, 0xffff);
ili9341_line(0, 15, 100, 0, 0xffff);
ili9341_line(0, 100, 100, 0, 0xffff);
break;
}
}
#endif