alex/GY-63_MS5611
1
0
Fork 0
mirror of https://github.com/RobTillaart/Arduino.git synced 2024-09-19 16:46:11 -04:00
Code Issues Actions Packages Projects Releases Wiki Activity

Updated to work on Arduino Due.

Browse Source
This commit is contained in:
odbol 2014-05-12 00:22:09 -07:00
parent 2f60754376
commit d8bb224efc
2 changed files with 73 additions and 62 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libraries/I2C_EEPROM/I2C_eeprom.cpp
View File

@ -35,10 +35,14 @@ void I2C_eeprom::begin()
{
Wire.begin();
_lastWrite = 0;
// TWBR is not available on Arduino Due
#ifdef TWBR
TWBR = 72;
// 0=1000 1=888 2=800 8=500
// 12=400KHz 24=250 32=200 72=100 152=50
// F_CPU/16+(2*TWBR) // TWBR is a uint8_t
#endif
}
int I2C_eeprom::writeByte(uint16_t address, uint8_t data)

131
libraries/I2C_EEPROM/examples/I2C_eeprom_test/I2C_eeprom_test.ino
View File

@ -8,6 +8,9 @@
#include <Wire.h> //I2C library
#include <I2C_eeprom.h>
#define SERIAL_OUT SerialUSB
I2C_eeprom ee(0x50);
uint32_t totals = 0;
@ -16,12 +19,16 @@ void setup()
{
ee.begin();
Serial.begin(115200);
Serial.print("Demo I2C eeprom library ");
Serial.print(I2C_EEPROM_VERSION);
Serial.println("\n");
SERIAL_OUT.begin(57600);
while (!SERIAL_OUT) {
; // wait for SERIAL_OUT port to connect. Needed for Leonardo only
}
Serial.println("\nTEST: 64 byte page boundary writeBlock");
SERIAL_OUT.print("Demo I2C eeprom library ");
SERIAL_OUT.print(I2C_EEPROM_VERSION);
SERIAL_OUT.println("\n");
SERIAL_OUT.println("\nTEST: 64 byte page boundary writeBlock");
ee.setBlock(0,0,128);
dumpEEPROM(0, 128);
char data[] = "11111111111111111111";
@ -29,146 +36,146 @@ void setup()
dumpEEPROM(0, 128);
Serial.println("\nTEST: 64 byte page boundary setBlock");
SERIAL_OUT.println("\nTEST: 64 byte page boundary setBlock");
ee.setBlock(0,0,128);
dumpEEPROM(0, 128);
ee.setBlock(60, '1', 10);
dumpEEPROM(0, 128);
Serial.println("\nTEST: 64 byte page boundary readBlock");
SERIAL_OUT.println("\nTEST: 64 byte page boundary readBlock");
ee.setBlock(0,0,128);
ee.setBlock(60, '1', 6);
dumpEEPROM(0, 128);
char ar[100];
memset(ar,0,100);
ee.readBlock(60, (uint8_t*)ar, 10);
Serial.println(ar);
SERIAL_OUT.println(ar);
Serial.println("\nTEST: write large string readback in small steps");
SERIAL_OUT.println("\nTEST: write large string readback in small steps");
ee.setBlock(0,0,128);
char data2[] = "0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999A";
ee.writeBlock(10, (uint8_t *) &data2, 100);
dumpEEPROM(0, 128);
for (int i = 0; i<100; i++)
{
if (i%10 == 0 ) Serial.println();
Serial.print(' ');
Serial.print(ee.readByte(10+i));
if (i%10 == 0 ) SERIAL_OUT.println();
SERIAL_OUT.print(' ');
SERIAL_OUT.print(ee.readByte(10+i));
}
Serial.println();
SERIAL_OUT.println();
Serial.println("\nTEST: check almost endofPage writeBlock");
SERIAL_OUT.println("\nTEST: check almost endofPage writeBlock");
ee.setBlock(0,0,128);
char data3[] = "6666";
ee.writeBlock(60, (uint8_t *) &data3, 2);
dumpEEPROM(0, 128);
Serial.println();
Serial.print("\nI2C speed:\t");
Serial.println(16000/(16+2*TWBR));
Serial.print("TWBR:\t");
Serial.println(TWBR);
Serial.println();
// SERIAL_OUT.println();
// SERIAL_OUT.print("\nI2C speed:\t");
// SERIAL_OUT.println(16000/(16+2*TWBR));
// SERIAL_OUT.print("TWBR:\t");
// SERIAL_OUT.println(TWBR);
// SERIAL_OUT.println();
totals = 0;
Serial.print("\nTEST: timing writeByte()\t");
SERIAL_OUT.print("\nTEST: timing writeByte()\t");
uint32_t start = micros();
ee.writeByte(10, 1);
uint32_t diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
Serial.print("TEST: timing writeBlock(50)\t");
SERIAL_OUT.print("TEST: timing writeBlock(50)\t");
start = micros();
ee.writeBlock(10, (uint8_t *) &data2, 50);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
Serial.print("TEST: timing readByte()\t\t");
SERIAL_OUT.print("TEST: timing readByte()\t\t");
start = micros();
ee.readByte(10);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
Serial.print("TEST: timing readBlock(50)\t");
SERIAL_OUT.print("TEST: timing readBlock(50)\t");
start = micros();
ee.readBlock(10, (uint8_t *) &data2, 50);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
Serial.print("TOTALS: ");
Serial.println(totals);
SERIAL_OUT.print("TOTALS: ");
SERIAL_OUT.println(totals);
totals = 0;
// same tests but now with a 5 millisec delay in between.
delay(5);
Serial.print("\nTEST: timing writeByte()\t");
SERIAL_OUT.print("\nTEST: timing writeByte()\t");
start = micros();
ee.writeByte(10, 1);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
delay(5);
Serial.print("TEST: timing writeBlock(50)\t");
SERIAL_OUT.print("TEST: timing writeBlock(50)\t");
start = micros();
ee.writeBlock(10, (uint8_t *) &data2, 50);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
delay(5);
Serial.print("TEST: timing readByte()\t\t");
SERIAL_OUT.print("TEST: timing readByte()\t\t");
start = micros();
ee.readByte(10);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
delay(5);
Serial.print("TEST: timing readBlock(50)\t");
SERIAL_OUT.print("TEST: timing readBlock(50)\t");
start = micros();
int xx = ee.readBlock(10, (uint8_t *) &data2, 50);
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
totals += diff;
Serial.print("TOTALS: ");
Serial.println(totals);
SERIAL_OUT.print("TOTALS: ");
SERIAL_OUT.println(totals);
totals = 0;
// does it go well?
Serial.println(xx);
SERIAL_OUT.println(xx);
Serial.println("\nTEST: determine size");
SERIAL_OUT.println("\nTEST: determine size");
start = micros();
int size = ee.determineSize();
diff = micros() - start;
Serial.print("TIME: ");
Serial.println(diff);
Serial.print("SIZE: ");
Serial.print(size);
Serial.println(" KB");
SERIAL_OUT.print("TIME: ");
SERIAL_OUT.println(diff);
SERIAL_OUT.print("SIZE: ");
SERIAL_OUT.print(size);
SERIAL_OUT.println(" KB");
Serial.println("\tDone...");
SERIAL_OUT.println("\tDone...");
}
void loop()
@ -186,14 +193,14 @@ void dumpEEPROM(uint16_t addr, uint16_t length)
{
if (addr % 10 == 0)
{
Serial.println();
Serial.print(addr);
Serial.print(":\t");
SERIAL_OUT.println();
SERIAL_OUT.print(addr);
SERIAL_OUT.print(":\t");
}
Serial.print(b);
SERIAL_OUT.print(b);
b = ee.readByte(++addr);
Serial.print(" ");
SERIAL_OUT.print(" ");
}
Serial.println();
SERIAL_OUT.println();
}
// END OF FILE