spi interface error arducam and sd card

[jj9393]

hi i have spi interface error help please

`#include

include

include

include

include "memorysaver.h"

//This demo can only work on OV2640_MINI_2MP or OV5642_MINI_5MP or OV5642_MINI_5MP_BIT_ROTATION_FIXED platform.

if !(defined OV5642_MINI_5MP || defined OV5642_MINI_5MP_BIT_ROTATION_FIXED || defined OV2640_MINI_2MP || defined OV3640_MINI_3MP)

error Please select the hardware platform and camera module in the ../libraries/ArduCAM/memorysaver.h file

endif

define SD_CS 9

const int SPI_CS = 7;

if defined (OV2640_MINI_2MP)

ArduCAM myCAM( OV2640, SPI_CS );

elif defined (OV3640_MINI_3MP)

ArduCAM myCAM( OV3640, SPI_CS );

else

ArduCAM myCAM( OV5642, SPI_CS );

endif

void myCAMSaveToSDFile(){ char str[8]; byte buf[256]; static int i = 0; static int k = 0; uint8_t temp = 0,temp_last=0; uint32_t length = 0; bool is_header = false; File outFile; //Flush the FIFO myCAM.flush_fifo(); //Clear the capture done flag myCAM.clear_fifo_flag(); //Start capture myCAM.start_capture(); Serial.println(F("start Capture")); while(!myCAM.get_bit(ARDUCHIP_TRIG , CAP_DONE_MASK)); Serial.println(F("Capture Done."));
length = myCAM.read_fifo_length(); Serial.print(F("The fifo length is :")); Serial.println(length, DEC); if (length >= MAX_FIFO_SIZE) //384K { Serial.println(F("Over size.")); return ; } if (length == 0 ) //0 kb { Serial.println(F("Size is 0.")); return ; } //Construct a file name k = k + 1; itoa(k, str, 10); strcat(str, ".jpg"); //Open the new file outFile = SD.open(str, O_WRITE | O_CREAT | O_TRUNC); if(!outFile){ Serial.println(F("File open faild")); return; } myCAM.CS_LOW(); myCAM.set_fifo_burst(); while ( length-- ) { temp_last = temp; temp = SPI.transfer(0x00); //Read JPEG data from FIFO if ( (temp == 0xD9) && (temp_last == 0xFF) ) //If find the end ,break while, { buf[i++] = temp; //save the last 0XD9
//Write the remain bytes in the buffer myCAM.CS_HIGH(); outFile.write(buf, i);
//Close the file outFile.close(); Serial.println(F("Image save OK.")); is_header = false; i = 0; }
if (is_header == true) { //Write image data to buffer if not full if (i < 256) buf[i++] = temp; else { //Write 256 bytes image data to file myCAM.CS_HIGH(); outFile.write(buf, 256); i = 0; buf[i++] = temp; myCAM.CS_LOW(); myCAM.set_fifo_burst(); }
} else if ((temp == 0xD8) & (temp_last == 0xFF)) { is_header = true; buf[i++] = temp_last; buf[i++] = temp;
} } }

void setup(){ uint8_t vid, pid; uint8_t temp; Wire.begin(); Serial.begin(115200); Serial.println(F("ArduCAM Start!")); //set the CS as an output: pinMode(SPI_CS,OUTPUT); digitalWrite(SPI_CS, HIGH); // initialize SPI: SPI.begin();

//Reset the CPLD myCAM.write_reg(0x07, 0x80); delay(100); myCAM.write_reg(0x07, 0x00); delay(100);

while(1){ //Check if the ArduCAM SPI bus is OK myCAM.write_reg(ARDUCHIP_TEST1, 0x55); temp = myCAM.read_reg(ARDUCHIP_TEST1);

if (temp != 0x55){ Serial.println(F("SPI interface Error!")); delay(1000);continue; }else{ Serial.println(F("SPI interface OK."));break; } } //Initialize SD Card while(!SD.begin(SD_CS)){ Serial.println(F("SD Card Error!"));delay(1000); } Serial.println(F("SD Card detected."));

if defined (OV2640_MINI_2MP)

while(1){ //Check if the camera module type is OV2640 myCAM.wrSensorReg8_8(0xff, 0x01); myCAM.rdSensorReg8_8(OV2640_CHIPID_HIGH, &vid); myCAM.rdSensorReg8_8(OV2640_CHIPID_LOW, &pid); if ((vid != 0x26 ) && (( pid != 0x41 ) || ( pid != 0x42 ))){ Serial.println(F("Can't find OV2640 module!")); delay(1000);continue; } else{ Serial.println(F("OV2640 detected."));break; } }

elif defined (OV3640_MINI_3MP)

while(1){ //Check if the camera module type is OV3640 myCAM.rdSensorReg16_8(OV3640_CHIPID_HIGH, &vid); myCAM.rdSensorReg16_8(OV3640_CHIPID_LOW, &pid); if ((vid != 0x36) || (pid != 0x4C)){ Serial.println(F("Can't find OV3640 module!")); delay(1000);continue; }else{ Serial.println(F("OV3640 detected."));break;
} }

else

while(1){ //Check if the camera module type is OV5642 myCAM.wrSensorReg16_8(0xff, 0x01); myCAM.rdSensorReg16_8(OV5642_CHIPID_HIGH, &vid); myCAM.rdSensorReg16_8(OV5642_CHIPID_LOW, &pid); if((vid != 0x56) || (pid != 0x42)){ Serial.println(F("Can't find OV5642 module!")); delay(1000);continue; } else{ Serial.println(F("OV5642 detected."));break; } }

endif

myCAM.set_format(JPEG); myCAM.InitCAM();

if defined (OV2640_MINI_2MP)

myCAM.OV2640_set_JPEG_size(OV2640_320x240);

elif defined (OV3640_MINI_3MP)

myCAM.OV3640_set_JPEG_size(OV3640_320x240);

else

myCAM.write_reg(ARDUCHIP_TIM, VSYNC_LEVEL_MASK); //VSYNC is active HIGH myCAM.OV5642_set_JPEG_size(OV5642_320x240);

endif

delay(1000); } void loop(){ myCAMSaveToSDFile(); delay(5000); }`