justin kim / Mbed 2 deprecated DigitalCamera_OV5642_WIZwiki-W7500

I made Digital Camera using Arducam & WIZwiki-W7500

Dependencies:   Arduino Arducam_OV5642 SDFileSystem Arducam_UTFT_SPI WIZnetInterface_Ricky mbed

main.cpp@3:23d439c8526b, 2015-10-29 (annotated)

Committer:
justinkim
Date:
Thu Oct 29 10:09:41 2015 +0000
Revision:
3:23d439c8526b
Parent:
2:3a12c5e8b030
Child:
4:63042b865304
camera test success!

Who changed what in which revision?

UserRevisionLine numberNew contents of line
justinkim 0:e01f64037748 1 #include "mbed.h"
justinkim 0:e01f64037748 2 #include "UTFT_SPI.h"
justinkim 0:e01f64037748 3 #include "OV5642.h"
justinkim 0:e01f64037748 4 #include "OV5642_regs.h"
justinkim 3:23d439c8526b 5 #include "SDFileSystem.h"
justinkim 0:e01f64037748 6 #include "Arduino.h"
justinkim 0:e01f64037748 7
justinkim 0:e01f64037748 8 void setup();
justinkim 0:e01f64037748 9 void loop();
justinkim 3:23d439c8526b 10 void itoa( unsigned long long int value, char *str);
justinkim 0:e01f64037748 11
justinkim 0:e01f64037748 12 ArduCAM myCAM(D11, D12, D13, D10, D14, D15);
justinkim 1:3a14a4c84db2 13 ArduLCD myGLCD(D11, D12, D13, D10);
justinkim 3:23d439c8526b 14 SDFileSystem sd(D11, D12, D13, D9, "sd");
justinkim 0:e01f64037748 15 Serial pc(USBTX, USBRX);
justinkim 3:23d439c8526b 16 bool isShowFlag = true;
justinkim 3:23d439c8526b 17 char fname[32];
justinkim 3:23d439c8526b 18 char fnamecnt=0;
justinkim 0:e01f64037748 19
justinkim 0:e01f64037748 20 int main()
justinkim 0:e01f64037748 21 {
justinkim 3:23d439c8526b 22 *(volatile uint32_t *)(0x41001014) = 0x0060200; //clock 48MHz
justinkim 0:e01f64037748 23
justinkim 0:e01f64037748 24 setup();
justinkim 0:e01f64037748 25
justinkim 0:e01f64037748 26 while(1)
justinkim 0:e01f64037748 27 {
justinkim 0:e01f64037748 28 loop();
justinkim 0:e01f64037748 29 }
justinkim 0:e01f64037748 30 }
justinkim 0:e01f64037748 31
justinkim 0:e01f64037748 32 void setup()
justinkim 0:e01f64037748 33 {
justinkim 0:e01f64037748 34 uint8_t vid,pid;
justinkim 0:e01f64037748 35 uint8_t temp;
justinkim 0:e01f64037748 36
justinkim 0:e01f64037748 37 pc.baud(115200);
justinkim 0:e01f64037748 38 pc.printf("ArduCAM Start!\r\n");
justinkim 1:3a14a4c84db2 39
justinkim 1:3a14a4c84db2 40 uint8_t temp1,temp2;
justinkim 1:3a14a4c84db2 41 myCAM.write_reg(ARDUCHIP_TEST1, 0x55); //Write to test1 register by 0x55
justinkim 1:3a14a4c84db2 42 myCAM.write_reg(ARDUCHIP_TEST2, 0xAA); //Write to test1 register by 0xaa
justinkim 1:3a14a4c84db2 43 wait_ms(1000);
justinkim 1:3a14a4c84db2 44 temp1 = myCAM.read_reg(ARDUCHIP_TEST1); //Read from test1 register
justinkim 1:3a14a4c84db2 45 temp2 = myCAM.read_reg(ARDUCHIP_TEST2); //Read from test1 register
justinkim 1:3a14a4c84db2 46 pc.printf("temp1 : %d\r\n",temp1);
justinkim 1:3a14a4c84db2 47 pc.printf("temp2 : %d\r\n",temp2);
justinkim 1:3a14a4c84db2 48 wait_ms(1000);
justinkim 1:3a14a4c84db2 49
justinkim 0:e01f64037748 50 myCAM.write_reg(ARDUCHIP_TEST1, 0x55);
justinkim 0:e01f64037748 51 temp = myCAM.read_reg(ARDUCHIP_TEST1);
justinkim 1:3a14a4c84db2 52
justinkim 0:e01f64037748 53 if(temp != 0x55)
justinkim 0:e01f64037748 54 {
justinkim 0:e01f64037748 55 pc.printf("SPI interface Error!\r\n");
justinkim 0:e01f64037748 56 while(1);
justinkim 0:e01f64037748 57 }
justinkim 0:e01f64037748 58
justinkim 0:e01f64037748 59 //Change MCU mode
justinkim 0:e01f64037748 60 myCAM.set_mode(MCU2LCD_MODE);
justinkim 0:e01f64037748 61
justinkim 0:e01f64037748 62 //Initialize the LCD Module
justinkim 1:3a14a4c84db2 63 myGLCD.InitLCD();
justinkim 0:e01f64037748 64
justinkim 0:e01f64037748 65 //Check if the camera module type is OV5642
justinkim 0:e01f64037748 66 myCAM.rdSensorReg16_8(OV5642_CHIPID_HIGH, &vid);
justinkim 0:e01f64037748 67 myCAM.rdSensorReg16_8(OV5642_CHIPID_LOW, &pid);
justinkim 0:e01f64037748 68 if((vid != 0x56) || (pid != 0x42))
justinkim 0:e01f64037748 69 pc.printf("Can't find OV5642 module!\r\n");
justinkim 0:e01f64037748 70 else
justinkim 0:e01f64037748 71 pc.printf("OV5642 detected\r\n");
justinkim 0:e01f64037748 72
justinkim 3:23d439c8526b 73 //Change to BMP capture mode and initialize the OV5642 module
justinkim 3:23d439c8526b 74 myCAM.set_format(BMP);
justinkim 3:23d439c8526b 75
justinkim 0:e01f64037748 76 myCAM.InitCAM();
justinkim 0:e01f64037748 77 }
justinkim 3:23d439c8526b 78
justinkim 0:e01f64037748 79 void loop()
justinkim 0:e01f64037748 80 {
justinkim 3:23d439c8526b 81 FILE *outFile;
justinkim 3:23d439c8526b 82 uint8_t buf[256];
justinkim 3:23d439c8526b 83 static int i = 0;
justinkim 3:23d439c8526b 84 uint8_t temp,temp_last;
justinkim 3:23d439c8526b 85 uint8_t start_capture = 0;
justinkim 3:23d439c8526b 86
justinkim 3:23d439c8526b 87 //Wait trigger from shutter buttom
justinkim 3:23d439c8526b 88 if(myCAM.get_bit(ARDUCHIP_TRIG , SHUTTER_MASK))
justinkim 3:23d439c8526b 89 {
justinkim 3:23d439c8526b 90 isShowFlag = false;
justinkim 3:23d439c8526b 91 myCAM.set_mode(MCU2LCD_MODE);
justinkim 3:23d439c8526b 92 myCAM.set_format(JPEG);
justinkim 3:23d439c8526b 93 myCAM.InitCAM();
justinkim 3:23d439c8526b 94 myCAM.OV5642_set_JPEG_size();
justinkim 3:23d439c8526b 95 myCAM.write_reg(ARDUCHIP_TIM, VSYNC_LEVEL_MASK); //VSYNC is active HIGH
justinkim 3:23d439c8526b 96
justinkim 3:23d439c8526b 97 //Wait until buttom released
justinkim 3:23d439c8526b 98 while(myCAM.get_bit(ARDUCHIP_TRIG, SHUTTER_MASK));
justinkim 3:23d439c8526b 99 wait_ms(1000);
justinkim 3:23d439c8526b 100 start_capture = 1;
justinkim 3:23d439c8526b 101 }
justinkim 3:23d439c8526b 102 else
justinkim 3:23d439c8526b 103 {
justinkim 3:23d439c8526b 104 if(isShowFlag )
justinkim 3:23d439c8526b 105 {
justinkim 0:e01f64037748 106
justinkim 3:23d439c8526b 107 if(!myCAM.get_bit(ARDUCHIP_TRIG,VSYNC_MASK)) //New Frame is coming
justinkim 3:23d439c8526b 108 {
justinkim 3:23d439c8526b 109 myCAM.set_mode(MCU2LCD_MODE); //Switch to MCU
justinkim 3:23d439c8526b 110 myGLCD.resetXY();
justinkim 3:23d439c8526b 111 myCAM.set_mode(CAM2LCD_MODE); //Switch to CAM
justinkim 3:23d439c8526b 112 while(!myCAM.get_bit(ARDUCHIP_TRIG,VSYNC_MASK)); //Wait for VSYNC is gone
justinkim 3:23d439c8526b 113 }
justinkim 3:23d439c8526b 114 }
justinkim 3:23d439c8526b 115 }
justinkim 3:23d439c8526b 116 if(start_capture)
justinkim 3:23d439c8526b 117 {
justinkim 3:23d439c8526b 118 //Flush the FIFO
justinkim 3:23d439c8526b 119 myCAM.flush_fifo();
justinkim 3:23d439c8526b 120 //Clear the capture done flag
justinkim 3:23d439c8526b 121 myCAM.clear_fifo_flag();
justinkim 3:23d439c8526b 122 //Start capture
justinkim 3:23d439c8526b 123 myCAM.start_capture();
justinkim 3:23d439c8526b 124 pc.printf("Start Capture\r\n");
justinkim 3:23d439c8526b 125 }
justinkim 3:23d439c8526b 126
justinkim 3:23d439c8526b 127 if(myCAM.get_bit(ARDUCHIP_TRIG ,CAP_DONE_MASK))
justinkim 0:e01f64037748 128 {
justinkim 0:e01f64037748 129
justinkim 3:23d439c8526b 130 pc.printf("Capture Done!\r\n");
justinkim 3:23d439c8526b 131 //Construct a file name
justinkim 3:23d439c8526b 132 snprintf(fname, sizeof(fname), "/sd/jpss%04d.jpg", fnamecnt);
justinkim 3:23d439c8526b 133 fnamecnt++;
justinkim 3:23d439c8526b 134 //Open the new file
justinkim 3:23d439c8526b 135 outFile = fopen(fname,"w");
justinkim 3:23d439c8526b 136 if (! outFile)
justinkim 3:23d439c8526b 137 {
justinkim 3:23d439c8526b 138 pc.printf("open file failed\r\n");
justinkim 3:23d439c8526b 139 return;
justinkim 3:23d439c8526b 140 }
justinkim 3:23d439c8526b 141 //Read first dummy byte
justinkim 3:23d439c8526b 142 //myCAM.read_fifo();
justinkim 3:23d439c8526b 143
justinkim 3:23d439c8526b 144 i = 0;
justinkim 3:23d439c8526b 145 temp = myCAM.read_fifo();
justinkim 3:23d439c8526b 146 //Write first image data to buffer
justinkim 3:23d439c8526b 147 buf[i++] = temp;
justinkim 3:23d439c8526b 148
justinkim 3:23d439c8526b 149 //Read JPEG data from FIFO
justinkim 3:23d439c8526b 150 while( (temp != 0xD9) | (temp_last != 0xFF) )
justinkim 0:e01f64037748 151 {
justinkim 3:23d439c8526b 152 temp_last = temp;
justinkim 3:23d439c8526b 153 temp = myCAM.read_fifo();
justinkim 3:23d439c8526b 154 //Write image data to buffer if not full
justinkim 3:23d439c8526b 155 if(i < 256)
justinkim 3:23d439c8526b 156 buf[i++] = temp;
justinkim 3:23d439c8526b 157 else
justinkim 3:23d439c8526b 158 {
justinkim 3:23d439c8526b 159 //Write 256 bytes image data to file
justinkim 3:23d439c8526b 160 fwrite(buf,256,1,outFile);
justinkim 3:23d439c8526b 161 i = 0;
justinkim 3:23d439c8526b 162 buf[i++] = temp;
justinkim 3:23d439c8526b 163 }
justinkim 0:e01f64037748 164 }
justinkim 3:23d439c8526b 165 //Write the remain bytes in the buffer
justinkim 3:23d439c8526b 166 if(i > 0)
justinkim 3:23d439c8526b 167 fwrite(buf,i,1,outFile);
justinkim 3:23d439c8526b 168
justinkim 3:23d439c8526b 169 //Close the file
justinkim 3:23d439c8526b 170 fclose(outFile);
justinkim 3:23d439c8526b 171 //Clear the capture done flag
justinkim 3:23d439c8526b 172 myCAM.clear_fifo_flag();
justinkim 3:23d439c8526b 173 //Clear the start capture flag
justinkim 3:23d439c8526b 174 start_capture = 0;
justinkim 3:23d439c8526b 175
justinkim 3:23d439c8526b 176 myCAM.set_format(BMP);
justinkim 3:23d439c8526b 177 myCAM.InitCAM();
justinkim 3:23d439c8526b 178 isShowFlag = true;
justinkim 0:e01f64037748 179 }
justinkim 0:e01f64037748 180 }
justinkim 3:23d439c8526b 181
justinkim 3:23d439c8526b 182 /* itoa: convert n to characters in s */
justinkim 3:23d439c8526b 183 void itoa( unsigned long long int value, char *str)
justinkim 3:23d439c8526b 184 {
justinkim 3:23d439c8526b 185 int i,j;
justinkim 3:23d439c8526b 186 char temp[30];
justinkim 3:23d439c8526b 187 for(i=0; value > 0; i++){
justinkim 3:23d439c8526b 188 str[i] = value%10+'0';
justinkim 3:23d439c8526b 189 value=value/10;
justinkim 3:23d439c8526b 190 }
justinkim 3:23d439c8526b 191 for(j=0;i>=0;j++,i--){
justinkim 3:23d439c8526b 192 temp[j]=str[i-1];
justinkim 3:23d439c8526b 193 }
justinkim 3:23d439c8526b 194 for(i=0;i<j;i++){
justinkim 3:23d439c8526b 195 str[i]=temp[i];
justinkim 3:23d439c8526b 196 }
justinkim 3:23d439c8526b 197 }