TMNTmaker ! / Mbed 2 deprecated ov7670_dma_nucleo_f4

It's nucleo f4 DMA trandfer for ov7670&ILI9341.

Dependencies:   mbed ILI9341_SPI OV7670_SCCB

main.cpp@5:541e2adc765d, 2016-04-29 (annotated)

Committer:
tmnt
Date:
Fri Apr 29 13:39:26 2016 +0000
Revision:
5:541e2adc765d
Parent:
4:ba22760d537d
Child:
7:2ed3ce710cc2
Simplification of the program.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
tmnt 0:ce10b2e08479 1 #include "mbed.h"
tmnt 0:ce10b2e08479 2 #include "TIM_DMAInit.h"
tmnt 0:ce10b2e08479 3 #include "SPI_DMAInit.h"
tmnt 5:541e2adc765d 4 #include "ILI9341.h"
tmnt 5:541e2adc765d 5 #include "SCCB.h"
tmnt 5:541e2adc765d 6 #include "GPIOInit.h"
tmnt 0:ce10b2e08479 7 /*
tmnt 0:ce10b2e08479 8
tmnt 0:ce10b2e08479 9 ********ov7670********
tmnt 0:ce10b2e08479 10 +3V3 - 3V3 GND-GND
tmnt 0:ce10b2e08479 11 PC_12 - SIOC SIDO - PC10
tmnt 0:ce10b2e08479 12 PD_2 - VSYNC HREF - A3
tmnt 0:ce10b2e08479 13 B4,A4 - PCLK XCLK - PC_9
tmnt 0:ce10b2e08479 14 PB_7 - D7 D6 - PB_6
tmnt 0:ce10b2e08479 15 PB_5 - D5 D4 - PB_4
tmnt 0:ce10b2e08479 16 PB_3 - D3 D2 - PB_2
tmnt 0:ce10b2e08479 17 PB_1 - D1 D0 - PB_0
tmnt 0:ce10b2e08479 18 +3V3-330Ω-RESET
tmnt 0:ce10b2e08479 19
tmnt 0:ce10b2e08479 20 ********74HC00*********
tmnt 3:901230f7d62b 21 A1 VCC - +3V3
tmnt 0:ce10b2e08479 22 B1 B4 -- PCLK
tmnt 0:ce10b2e08479 23 Y1 A4 -- PCLK
tmnt 0:ce10b2e08479 24 A2 Y4 - B3
tmnt 0:ce10b2e08479 25 B2 B3 - Y4
tmnt 0:ce10b2e08479 26 Y2 A3 - HREF
tmnt 0:ce10b2e08479 27 GND Y3 - PA8
tmnt 0:ce10b2e08479 28
tmnt 0:ce10b2e08479 29 ********ILI9341*********
tmnt 0:ce10b2e08479 30 SDO - PA6
tmnt 3:901230f7d62b 31 LED - 10kΩ - +3V3
tmnt 0:ce10b2e08479 32 SCK - PA5
tmnt 0:ce10b2e08479 33 SDI - PA7
tmnt 0:ce10b2e08479 34 DC - PA_4
tmnt 0:ce10b2e08479 35 RS - PA_12
tmnt 0:ce10b2e08479 36 CS - PA_11
tmnt 0:ce10b2e08479 37 GND - GND
tmnt 0:ce10b2e08479 38 VCC - +5V
tmnt 0:ce10b2e08479 39
tmnt 5:541e2adc765d 40
tmnt 0:ce10b2e08479 41
tmnt 0:ce10b2e08479 42 */
tmnt 0:ce10b2e08479 43
tmnt 0:ce10b2e08479 44 uint8_t dma_buf[145][300];
tmnt 0:ce10b2e08479 45 uint8_t flag_dma;
tmnt 0:ce10b2e08479 46
tmnt 0:ce10b2e08479 47 InterruptIn VSYNC(PD_2);
tmnt 0:ce10b2e08479 48 SPI spi(PA_7,PA_6,PA_5);
tmnt 5:541e2adc765d 49 ili9341_spi lcd(spi,PA_11,PA_4,PA_12);
tmnt 5:541e2adc765d 50 ov7670_sccb sccb(PC_10,PC_12);
tmnt 0:ce10b2e08479 51 PortIn cdata(PortB, 0x00ff);
tmnt 0:ce10b2e08479 52
tmnt 0:ce10b2e08479 53 void camdma_start();
tmnt 0:ce10b2e08479 54
tmnt 0:ce10b2e08479 55 int main() {
tmnt 0:ce10b2e08479 56
tmnt 0:ce10b2e08479 57
tmnt 5:541e2adc765d 58 gpio_Init();
tmnt 0:ce10b2e08479 59 dma_init();
tmnt 0:ce10b2e08479 60
tmnt 0:ce10b2e08479 61 spi.format(8,3);
tmnt 0:ce10b2e08479 62 spi.frequency(20000000);
tmnt 5:541e2adc765d 63 lcd.tft_reset();
tmnt 0:ce10b2e08479 64
tmnt 0:ce10b2e08479 65 __disable_irq();
tmnt 0:ce10b2e08479 66
tmnt 5:541e2adc765d 67 VSYNC.rise(&camdma_start);
tmnt 5:541e2adc765d 68 sccb.cam_init();
tmnt 0:ce10b2e08479 69
tmnt 5:541e2adc765d 70 lcd.fillrect(0,0,150,290,0xf800);//red
tmnt 0:ce10b2e08479 71
tmnt 5:541e2adc765d 72 wait(1);
tmnt 5:541e2adc765d 73 lcd.wr_cmd(0x2C);
tmnt 0:ce10b2e08479 74 spi.write(0x66);
tmnt 0:ce10b2e08479 75 spi_Init();
tmnt 0:ce10b2e08479 76
tmnt 0:ce10b2e08479 77 __enable_irq();
tmnt 0:ce10b2e08479 78
tmnt 0:ce10b2e08479 79
tmnt 0:ce10b2e08479 80 while(1) {
tmnt 0:ce10b2e08479 81 }
tmnt 0:ce10b2e08479 82 }
tmnt 0:ce10b2e08479 83
tmnt 0:ce10b2e08479 84
tmnt 0:ce10b2e08479 85 void camdma_start()
tmnt 0:ce10b2e08479 86 {
tmnt 0:ce10b2e08479 87 if(flag_dma==0){
tmnt 0:ce10b2e08479 88 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*/);
tmnt 0:ce10b2e08479 89
tmnt 0:ce10b2e08479 90 HAL_SPI_Transmit_DMA(&spi1, (uint8_t*)dma_buf, sizeof(dma_buf));
tmnt 0:ce10b2e08479 91 }
tmnt 0:ce10b2e08479 92 flag_dma=1;
tmnt 0:ce10b2e08479 93 }