mirror of https://github.com/ArduPilot/ardupilot
99 lines
2.6 KiB
Plaintext
99 lines
2.6 KiB
Plaintext
/*
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Example of DataFlash library.
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Code by Jordi Muñoz and Jose Julio. DIYDrones.com
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*/
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#include <DataFlash.h>
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#define HEAD_BYTE1 0xA3
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#define HEAD_BYTE2 0x95
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void setup()
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{
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Serial.begin(57600);
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DataFlash.Init(); // DataFlash initialization
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Serial.println("Dataflash Log Test 1.0");
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// Test
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delay(20);
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DataFlash.ReadManufacturerID();
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delay(10);
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Serial.print("Manufacturer:");
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Serial.print(int(DataFlash.df_manufacturer));
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Serial.print(",");
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Serial.print(int(DataFlash.df_device_0));
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Serial.print(",");
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Serial.print(int(DataFlash.df_device_1));
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Serial.println();
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// We start to write some info (sequentialy) starting from page 1
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// This is similar to what we will do...
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DataFlash.StartWrite(1);
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Serial.println("Writing to flash... wait...");
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for (int i=0;i<1000;i++) // Write 1000 packets...
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{
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// We write packets of binary data... (without worry about nothing more)
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DataFlash.WriteByte(HEAD_BYTE1);
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DataFlash.WriteByte(HEAD_BYTE2);
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DataFlash.WriteInt(2000+i);
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DataFlash.WriteInt(2001+i);
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DataFlash.WriteInt(2002+i);
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DataFlash.WriteInt(2003+i);
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DataFlash.WriteLong((long)i*5000);
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DataFlash.WriteLong((long)i*16268);
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DataFlash.WriteByte(0xA2); // 2 bytes of checksum (example)
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DataFlash.WriteByte(0x4E);
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delay(10);
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}
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delay(100);
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}
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void loop()
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{
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int i;
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byte tmp_byte1;
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byte tmp_byte2;
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int tmp_int;
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long tmp_long;
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Serial.println("Start reading page 1...");
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DataFlash.StartRead(1); // We start reading from page 1
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for (i=0;i<200;i++) // Read 200 packets...
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{
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tmp_byte1=DataFlash.ReadByte();
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tmp_byte2=DataFlash.ReadByte();
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Serial.print("PACKET:");
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if ((tmp_byte1==HEAD_BYTE1)&&(tmp_byte1==HEAD_BYTE1))
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{
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// Read 4 ints...
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tmp_int=DataFlash.ReadInt();
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Serial.print(tmp_int);
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Serial.print(",");
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tmp_int=DataFlash.ReadInt();
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Serial.print(tmp_int);
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Serial.print(",");
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tmp_int=DataFlash.ReadInt();
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Serial.print(tmp_int);
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Serial.print(",");
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tmp_int=DataFlash.ReadInt();
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Serial.print(tmp_int);
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Serial.print(",");
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// Read 2 longs...
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tmp_long=DataFlash.ReadLong();
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Serial.print(tmp_long);
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Serial.print(",");
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tmp_long=DataFlash.ReadLong();
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Serial.print(tmp_long);
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Serial.print(";");
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// Read the checksum...
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tmp_byte1=DataFlash.ReadByte();
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tmp_byte2=DataFlash.ReadByte();
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}
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Serial.println();
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}
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delay(10000);
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} |