TMNTmaker !
It's nucleo f4 DMA trandfer for ov7670&ILI9341.
Dependencies: mbed ILI9341_SPI OV7670_SCCB
main.cpp
- Committer:
- tmnt
- Date:
- 2016-04-04
- Revision:
- 2:de327fb4e2c5
- Parent:
- 0:ce10b2e08479
- Child:
- 3:901230f7d62b
File content as of revision 2:de327fb4e2c5:
#include "mbed.h"
#include "TIM_DMAInit.h"
#include "SPI_DMAInit.h"
/*
********ov7670********
+3V3 - 3V3 GND-GND
PC_12 - SIOC SIDO - PC10
PD_2 - VSYNC HREF - A3
B4,A4 - PCLK XCLK - PC_9
PB_7 - D7 D6 - PB_6
PB_5 - D5 D4 - PB_4
PB_3 - D3 D2 - PB_2
PB_1 - D1 D0 - PB_0
+3V3-330Ω-RESET
********74HC00*********
A1 VCC - +5V
B1 B4 -- PCLK
Y1 A4 -- PCLK
A2 Y4 - B3
B2 B3 - Y4
Y2 A3 - HREF
GND Y3 - PA8
********ILI9341*********
SDO - PA6
LED - 100Ω - +5V
SCK - PA5
SDI - PA7
DC - PA_4
RS - PA_12
CS - PA_11
GND - GND
VCC - +5V
********NUCLEOF401RE*******
U5V×
E5V○
*/
#define REG_COM1 0x04 /* Control 1 */
#define REG_COM6 0x0f /* Control 6 */
#define REG_AECH 0x10 /* More bits of AEC value */
#define REG_CLKRC 0x11 /* Clocl control */
#define CLK_EXT 0x40 /* Use external clock directly */
#define CLK_SCALE 0x3f /* Mask for internal clock scale */
#define REG_COM7 0x12 /* Control 7 */
#define COM7_RESET 0x80 /* Register reset */
#define COM7_FMT_MASK 0x38
#define COM7_FMT_VGA 0x00
#define COM7_FMT_CIF 0x20 /* CIF format */
#define COM7_FMT_QVGA 0x10 /* QVGA format */
#define COM7_FMT_QCIF 0x08 /* QCIF format */
#define COM7_RGB 0x04 /* bits 0 and 2 - RGB format */
#define COM7_YUV 0x00 /* YUV */
#define COM7_BAYER 0x01 /* Bayer format */
#define COM7_PBAYER 0x05 /* "Processed bayer" */
#define REG_COM8 0x13 /* Control 8 */
#define REG_COM9 0x14 /* Control 9 - gain ceiling */
#define REG_TSLB 0x3a /* lots of stuff */
#define REG_COM15 0x40 /* Control 15 */
#define COM15_R10F0 0x00 /* Data range 10 to F0 */
#define COM15_R01FE 0x80 /* 01 to FE */
#define COM15_R00FF 0xc0 /* 00 to FF */
#define COM15_RGB565 0x10 /* RGB565 output */
#define COM15_RGB555 0x30 /* RGB555 output */
#define REG_COM16 0x41 /* Control 16 */
#define COM16_AWBGAIN 0x08 /* AWB gain enable */
#define REG_COM17 0x42 /* Control 17 */
#define COM17_AECWIN 0xc0 /* AEC window - must match COM4 */
#define COM17_CBAR 0x08 /* DSP Color bar */
#define REG_CMATRIX_BASE 0x4f
#define CMATRIX_LEN 6
#define REG_CMATRIX_SIGN 0x58
#define REG_BRIGHT 0x55 /* Brightness */
#define REG_CONTRAS 0x56 /* Contrast control */
#define REG_GFIX 0x69 /* Fix gain control */
#define REG_REG76 0x76 /* OV's name */
#define R76_BLKPCOR 0x80 /* Black pixel correction enable */
#define R76_WHTPCOR 0x40 /* White pixel correction enable */
#define REG_RGB444 0x8c /* RGB 444 control */
#define R444_ENABLE 0x02 /* Turn on RGB444, overrides 5x5 */
#define R444_RGBX 0x01 /* Empty nibble at end */
#define REG_HAECC1 0x9f /* Hist AEC/AGC control 1 */
#define REG_HAECC2 0xa0 /* Hist AEC/AGC control 2 */
#define REG_BD50MAX 0xa5 /* 50hz banding step limit */
#define REG_HAECC3 0xa6 /* Hist AEC/AGC control 3 */
#define REG_HAECC4 0xa7 /* Hist AEC/AGC control 4 */
#define REG_HAECC5 0xa8 /* Hist AEC/AGC control 5 */
#define REG_HAECC6 0xa9 /* Hist AEC/AGC control 6 */
#define REG_HAECC7 0xaa /* Hist AEC/AGC control 7 */
#define REG_BD60MAX 0xab /* 60hz banding step limit */
uint8_t dma_buf[145][300];
uint8_t flag_dma;
InterruptIn VSYNC(PD_2);
SPI spi(PA_7,PA_6,PA_5);
DigitalOut dc(PA_4);
DigitalOut rs(PA_12);
DigitalOut cs(PA_11);
DigitalInOut SDA(PC_10);
DigitalInOut SCL(PC_12);
PortIn cdata(PortB, 0x00ff);
void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h);
void pixel(int x, int y, int color);
void vline(int x, int y0, int y1, int color);
void circle(int x0, int y0, int r, int color);
void fillcircle(int x0, int y0, int r, int color);
void fillrect(int x0, int y0, int x1, int y1, int color);
void wr_cmd(unsigned char cmd);
void wr_dat(unsigned char dat);
char rd_byte(unsigned char cmd);
int rd_32(unsigned char cmd);
int Read_ID(void);
void tft_reset();
void fillrect(int x0, int y0, int x1, int y1, int color);
void I2cstart(void);
void I2cstop(void);
void I2cout(unsigned char datar);
void c(unsigned char adrs,unsigned char datak);
void cam_init();
void camdma_start();
void test_color();
int main() {
GPIO_InitTypeDef gpioconf1;
__GPIOB_CLK_ENABLE();
gpioconf1.Pin = GPIO_PIN_8 | GPIO_PIN_9 | GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13 |GPIO_PIN_14 | GPIO_PIN_15;//pa13
gpioconf1.Mode = GPIO_MODE_INPUT;
gpioconf1.Pull = GPIO_PULLDOWN;
gpioconf1.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &gpioconf1);
HAL_RCC_MCOConfig(RCC_MCO2, RCC_MCO2SOURCE_HSE, RCC_MCODIV_1);
GPIO_InitTypeDef GPIO_InitStruct;
/*Configure GPIO pin : PC9 MCO2 for cam XCLK*/
__GPIOC_CLK_ENABLE();
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = GPIO_AF0_MCO;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
// spi_Init();
dma_init();
spi.format(8,3);
spi.frequency(20000000);
tft_reset();
__disable_irq();
VSYNC.rise(&camdma_start);//PCLK割り込み
cam_init();
fillrect(0,0,150,290,0xf800);//red
wait(1);
wr_cmd(0x2C);
spi.write(0x66);
spi_Init();
__enable_irq();
while(1) {
}
}
void wr_cmd(unsigned char cmd)
{
dc = 0;
cs = 0;
spi.write(cmd); // mbed lib
dc = 1;
}
void wr_dat(unsigned char dat)
{
spi.write(dat); // mbed lib
}
char rd_byte(unsigned char cmd)
{
char r;
dc = 0;
cs = 0;
spi.write(cmd); // mbed lib
cs = 1;
r = spi.write(0xff);
cs = 1;
return(r);
}
// read 32 bit
int rd_32(unsigned char cmd)
{
int d;
char r;
dc = 0;
cs = 0;
d = cmd;
d = d << 1;
spi.format(9,3); // we have to add a dummy clock cycle
spi.write(d);
spi.format(8,3);
dc = 1;
r = spi.write(0xff);
d = r;
r = spi.write(0xff);
d = (d << 8) | r;
r = spi.write(0xff);
d = (d << 8) | r;
r = spi.write(0xff);
d = (d << 8) | r;
cs = 1;
return(d);
}
int Read_ID(void){
int r;
r = rd_byte(0x0A);
r = rd_byte(0x0A);
r = rd_byte(0x0A);
r = rd_byte(0x0A);
return(r);
}
// Init code based on MI0283QT datasheet
void tft_reset()
{
cs = 1; // cs high
dc = 1; // dc high
rs = 0; // display reset
wait_us(50);
rs = 1; // end hardware reset
wait_ms(5);
wr_cmd(0x01); // SW reset
wait_ms(5);
wr_cmd(0x28); // display off
/* Start Initial Sequence ----------------------------------------------------*/
wr_cmd(0xCF);
spi.write(0x00);
spi.write(0x83);
spi.write(0x30);
cs = 1;
wr_cmd(0xED);
spi.write(0x64);
spi.write(0x03);
spi.write(0x12);
spi.write(0x81);
cs = 1;
wr_cmd(0xE8);
spi.write(0x85);
spi.write(0x01);
spi.write(0x79);
cs = 1;
wr_cmd(0xCB);
spi.write(0x39);
spi.write(0x2C);
spi.write(0x00);
spi.write(0x34);
spi.write(0x02);
cs = 1;
wr_cmd(0xF7);
spi.write(0x20);
cs = 1;
wr_cmd(0xEA);
spi.write(0x00);
spi.write(0x00);
cs = 1;
wr_cmd(0xC0); // POWER_CONTROL_1
spi.write(0x26);
cs = 1;
wr_cmd(0xC1); // POWER_CONTROL_2
spi.write(0x11);
cs = 1;
wr_cmd(0xC5); // VCOM_CONTROL_1
spi.write(0x35);
spi.write(0x3E);
cs = 1;
wr_cmd(0xC7); // VCOM_CONTROL_2
spi.write(0xBE);
cs = 1;
wr_cmd(0x36); // MEMORY_ACCESS_CONTROL
spi.write(0x48);
cs = 1;
wr_cmd(0x3A); // COLMOD_PIXEL_FORMAT_SET
spi.write(0x55); // 16 bit pixel
cs = 1;
wr_cmd(0xB1); // Frame Rate
spi.write(0x00);
spi.write(0x1B);
cs = 1;
wr_cmd(0xF2); // Gamma Function Disable
spi.write(0x08);
cs = 1;
wr_cmd(0x26);
spi.write(0x01); // gamma set for curve 01/2/04/08
cs = 1;
wr_cmd(0xE0); // positive gamma correction
spi.write(0x1F);
spi.write(0x1A);
spi.write(0x18);
spi.write(0x0A);
spi.write(0x0F);
spi.write(0x06);
spi.write(0x45);
spi.write(0x87);
spi.write(0x32);
spi.write(0x0A);
spi.write(0x07);
spi.write(0x02);
spi.write(0x07);
spi.write(0x05);
spi.write(0x00);
cs = 1;
wr_cmd(0xE1); // negativ gamma correction
spi.write(0x00);
spi.write(0x25);
spi.write(0x27);
spi.write(0x05);
spi.write(0x10);
spi.write(0x09);
spi.write(0x3A);
spi.write(0x78);
spi.write(0x4D);
spi.write(0x05);
spi.write(0x18);
spi.write(0x0D);
spi.write(0x38);
spi.write(0x3A);
spi.write(0x1F);
cs = 1;
wr_cmd(0x2A);
spi.write(0);
spi.write(0);
spi.write(0);
spi.write(0x95);
cs = 1;
wr_cmd(0x2B);
spi.write(0);
spi.write(0);
spi.write(0x00);
spi.write(0x90);
cs = 1;
//wr_cmd(0x34); // tearing effect off
//_cs = 1;
//wr_cmd(0x35); // tearing effect on
//_cs = 1;
wr_cmd(0xB7); // entry mode
spi.write(0x07);
cs = 1;
wr_cmd(0xB6); // display function control
spi.write(0x0A);
spi.write(0x82);
spi.write(0x27);
spi.write(0x00);
cs = 1;
wr_cmd(0x11); // sleep out
cs = 1;
wait_ms(100);
wr_cmd(0x29); // display on
cs = 1;
wait_ms(100);
}
void pixel(int x, int y, int color)
{
wr_cmd(0x2A);
spi.write(x >> 8);
spi.write(x);
cs = 1;
wr_cmd(0x2B);
spi.write(y >> 8);
spi.write(y);
cs = 1;
wr_cmd(0x2C); // send pixel
//#if defined TARGET_KL25Z // 8 Bit SPI
spi.write(color >> 8);
spi.write(color & 0xff);
/*#else
SPI::format(16,3); // switch to 16 bit Mode 3
SPI::write(color); // Write D0..D15
SPI::format(8,3);
#endif*/
cs = 1;
}
void window (unsigned int x, unsigned int y, unsigned int w, unsigned int h)
{
wr_cmd(0x2A);
spi.write(x >> 8);
spi.write(x);
spi.write((x+w-1) >> 8);
spi.write(x+w-1);
cs = 1;
wr_cmd(0x2B);
spi.write(y >> 8);
spi.write(y);
spi.write((y+h-1) >> 8);
spi.write(y+h-1);
cs = 1;
}
void vline(int x, int y0, int y1, int color)
{
int h;
h = y1 - y0 + 1;
window(x,y0,1,h);
wr_cmd(0x2C); // send pixel
//#if defined TARGET_KL25Z // 8 Bit SPI
for (int y=0; y<h; y++) {
spi.write(color >> 8);
spi.write(color & 0xff);
}
/* #else
SPI::format(16,3); // switch to 16 bit Mode 3
for (int y=0; y<h; y++) {
SPI::write(color);
}
SPI::format(8,3);*/
//#endif
cs = 1;
//WindowMax();
return;
}
void fillcircle(int x0, int y0, int r, int color)
{
int x = -r, y = 0, err = 2-2*r, e2;
do {
vline(x0-x, y0-y, y0+y, color);
vline(x0+x, y0-y, y0+y, color);
e2 = err;
if (e2 <= y) {
err += ++y*2+1;
if (-x == y && e2 <= x) e2 = 0;
}
if (e2 > x) err += ++x*2+1;
} while (x <= 0);
}
void circle(int x0, int y0, int r, int color)
{
int x = -r, y = 0, err = 2-2*r, e2;
do {
pixel(x0-x, y0+y,color);
pixel(x0+x, y0+y,color);
pixel(x0+x, y0-y,color);
pixel(x0-x, y0-y,color);
e2 = err;
if (e2 <= y) {
err += ++y*2+1;
if (-x == y && e2 <= x) e2 = 0;
}
if (e2 > x) err += ++x*2+1;
} while (x <= 0);
}
void fillrect(int x0, int y0, int x1, int y1, int color)
{
int h = y1 - y0 + 1;
int w = x1 - x0 + 1;
int pixel = h * w;
//window(x0,y0,w,h);
wr_cmd(0x2C); // send pixel
//#if defined TARGET_KL25Z // 8 Bit SPI
for (int p=0; p<pixel; p++) {
spi.write(color >> 8);
spi.write(color & 0xff);
}
/*#else
SPI::format(16,3); // switch to 16 bit Mode 3
for (int p=0; p<pixel; p++) {
SPI::write(color);
}
SPI::format(8,3);
#endif*/
cs = 1;
//WindowMax();
return;
}
void I2cstart(void)
{
SDA=1;SCL=1; /* SCL,SDAは常時Highとする */
wait_us(2);
SDA=0;
wait_us(2); // SDA出力
}
void I2cstop(void)
{
SCL=0; // 先にSDA Low
wait_us(2);
SDA=0; // SCL Low
wait_us(2);
SCL=1; // SDA Low // 出力モードに戻す SDA =Low
wait_us(2);
SDA=1; // 先にSCLをHigh
wait_us(2);
// 後からSDAをHigh
}
void I2cout(unsigned char datar)
{
int ia;
for(ia=0;ia<8;ia++){
SCL=0;
if(datar & 0x80){SDA=1;}
else SDA=0;
datar<<=1;
wait_us(1);
SCL=1;
wait_us(2);
SCL=0;
wait_us(1);//wait();
}
wait_us(1);
SCL=1;
datar<<=1;
wait_us(2);
SCL=0;
wait_us(1);
}
void c(unsigned char adrs,unsigned char datak)
{
I2cstart();
I2cout(0x42);
I2cout(adrs);
I2cout(datak);
I2cstop();
wait_ms(10);
}
void cam_init(){
c(REG_COM7, COM7_RESET); //0x12:COM7(Reset,QCIF,Cbar,RGBformat)
wait_ms(200); //200ms
c(REG_COM7,COM7_RGB|COM7_FMT_QCIF); //0x12:COM7 , 0x0C) //QCIF, RGB
c(REG_RGB444, 0x00); //0x8c:RGB 444 control
c(REG_COM1, 0x00); //0x40 //0x04:COM1(CCIR656,AEC) //0) //0x40)
c(REG_COM15, COM15_R01FE|COM15_RGB565); //0x40:COM15
c(REG_COM9, 0x48); // 38 0x14:COM9=max AGC gain ceiling, Freeze AGC/AEC
//c(0x3d,0xc3); //(REG_COM13, COM13_GAMMA|COM13_UVSAT|0x2) //0x3d:COM13
c(REG_HAECC7,0x94); //0xaa:Hist AEC/AGC control 7 c(0xAA,0x94) //AEC algorithm
c(REG_TSLB,0x04); //0x3a:Neg,UVval,YUYV,window TSLB_YLAST) //0x04) //0x0C) //0x80) //0x00) //0x04)
c(0x20,0x04); //ADCCTR0, A/D range&ref, mu0102
/******* ringo *********/
c(REG_COM8,0xfd); //AGC,AWB OFF,res OK
c(0x10,0x0f);//AECコントロール（中位ビット）
c(0x07,0x00);//AECコントロール（上位ビット）
//by Mr.Shiono
c(0x01,0x40);
c(0x02,0x60);
c(0x03,0x0a);
c(0x0c,0x00);
c(0x0e,0x61);
c(0x0f,0x4b);
c(0x15,0x00);
c(0x16,0x02);
c(0x17,0x18); //HSTART
c(0x18,0x01);
c(0x19,0x02);
c(0x1a,0x7a);
c(0x1e,0x07);
c(0x21,0x02);
c(0x22,0x91);
c(0x29,0x07);
c(0x32,0xb6);
c(0x33,0x0b);
c(0x34,0x11);
c(0x35,0x0b);
c(0x37,0x1d);
c(0x38,0x71);
c(0x39,0x2a);
c(0x3b,0x92);//com11 ナイトモード
c(0x3c,0x78);
c(0x3d,0xc3);
c(0x3e,0x00);
c(0x3f,0x00);
c(0x41,0x08);
c(0x41,0x38);
c(0x43,0x0a);
c(0x44,0xf0);
c(0x45,0x34);
c(0x46,0x58);
c(0x47,0x28);
c(0x48,0x3a);
c(0x4b,0x09);
c(0x4c,0x00);
c(0x4d,0x40);
c(0x4e,0x20);
c(0x4f,0x80);//c(0x4f,0x80); 彩度調整
c(0x50,0x80);//c(0x50,0x80);
c(0x51,0x00);
c(0x52,0x22);//c(0x52,0x22);
c(0x53,0x5e);//c(0x52,0x5e);
c(0x54,0x80);//c(0x54,0x80);
c(0x56,0x40);
c(0x58,0x9e);
c(0x59,0x88);
c(0x5a,0x88);
c(0x5b,0x44);
c(0x5c,0x67);
c(0x5d,0x49);
c(0x5e,0x0e);
c(0x69,0x00);
c(0x6a,0x40);
c(0x6b,0x0a);
c(0x6c,0x0a);
c(0x6d,0x55);
c(0x6e,0x11);
c(0x6f,0x9f);
c(0x70,0x3a);
c(0x71,0x35);
c(0x72,0x11);
c(0x73,0xf0);
c(0x74,0x10);
c(0x75,0x05);
c(0x76,0xe1);
c(0x77,0x01);
c(0x78,0x04);
c(0x79,0x01);
c(0x8d,0x4f);
c(0x8e,0x00);
c(0x8f,0x00);
c(0x90,0x00);
c(0x91,0x00);
c(0x96,0x00);
c(0x96,0x00); //?
c(0x97,0x30);
c(0x98,0x20);
c(0x99,0x30);
c(0x9a,0x00);
c(0x9a,0x84); //?
c(0x9b,0x29);
c(0x9c,0x03);
c(0x9d,0x4c);
c(0x9e,0x3f);
c(0xa2,0x02);
c(0xa4,0x88);
c(0xb0,0x84);
c(0xb1,0x0c);
c(0xb2,0x0e);
c(0xb3,0x82);
c(0xb8,0x0a);
c(0xc8,0xf0);
c(0xc9,0x60);
c(0x6b,0x40);//入力クロックｘ４
c(REG_CLKRC,0x40); //0xaf //PCLK*(1/48)
}
void camdma_start()
{
if(flag_dma==0){
HAL_DMA_Start_IT(&DMA_HandleType/*DMA初期設定構造体*/, (uint32_t)&GPIOB->IDR/*&0x00ff転送元アドレス*/, (uint32_t)dma_buf/*転送先アドレス*/,43500/*データ転送回数*/);
HAL_SPI_Transmit_DMA(&spi1, (uint8_t*)dma_buf, sizeof(dma_buf));
// HAL_ADC_Start_DMA(&ADC_1_dma,(uint32_t*)ad_dma_buf,3);
}
flag_dma=1;
}