Joseph Ellsworth / Mbed 2 deprecated xj-data-log-test-and-example

Data log for logging enviornmental, process and system state to FRAM or EPROM chips that do not have support for a file system. Includes support for multiple record types, evolving record types, automatic date and time stamp and copying contents to serial. Will soon support journaling to micro SD file system. We always log to fram first for speed and power conserfaction then copy in bulk to SD cards when we have charging power available.

Dependencies:   data_log mbed

Flexible Data Logger Example Use and Test Code

Detailed Documentation

See home page for data log library https://developer.mbed.org/users/joeata2wh/code/data_log/

License

By Joseph Ellsworth CTO of A2WH Take a look at A2WH.com Producing Water from Air using Solar Energy March-2016 License: https://developer.mbed.org/handbook/MIT-Licence Please contact us http://a2wh.com for help with custom design projects.

main.cpp@0:0cfc06f9f18c, 2016-03-30 (annotated)

Committer:
joeata2wh
Date:
Wed Mar 30 21:44:52 2016 +0000
Revision:
0:0cfc06f9f18c
Child:
1:58f86fb1fb22
data log test and sample use code

Who changed what in which revision?

UserRevisionLine numberNew contents of line
joeata2wh 0:0cfc06f9f18c 1 /* xj-data-log-test-and-exmple.c
joeata2wh 0:0cfc06f9f18c 2 Shows basic usage of dat_log library and
joeata2wh 0:0cfc06f9f18c 3 performs some basic tests.
joeata2wh 0:0cfc06f9f18c 4
joeata2wh 0:0cfc06f9f18c 5 By Joseph Ellsworth CTO of A2WH
joeata2wh 0:0cfc06f9f18c 6 Take a look at A2WH.com Producing Water from Air using Solar Energy
joeata2wh 0:0cfc06f9f18c 7 March-2016 License: https://developer.mbed.org/handbook/MIT-Licence
joeata2wh 0:0cfc06f9f18c 8 Please contact us http://a2wh.com for help with custom design projects.
joeata2wh 0:0cfc06f9f18c 9 */
joeata2wh 0:0cfc06f9f18c 10
joeata2wh 0:0cfc06f9f18c 11 #include "mbed.h"
joeata2wh 0:0cfc06f9f18c 12 #include "dataLog.h"
joeata2wh 0:0cfc06f9f18c 13
joeata2wh 0:0cfc06f9f18c 14 const float adc_ref = 3.3f;
joeata2wh 0:0cfc06f9f18c 15 // SPI PINS
joeata2wh 0:0cfc06f9f18c 16 #define SPI1_SCK PA_5
joeata2wh 0:0cfc06f9f18c 17 #define SPI1_MISO PA_6
joeata2wh 0:0cfc06f9f18c 18 #define SPI1_MOSI PA_7
joeata2wh 0:0cfc06f9f18c 19
joeata2wh 0:0cfc06f9f18c 20 // SPI PINS for Data Log chip
joeata2wh 0:0cfc06f9f18c 21 #define dataLogMISOPin SPI1_MISO
joeata2wh 0:0cfc06f9f18c 22 #define dataLogMOSIPin SPI1_MOSI
joeata2wh 0:0cfc06f9f18c 23 #define dataLogCLKPin SPI1_SCK
joeata2wh 0:0cfc06f9f18c 24 #define dataLogSelectPin PC_12
joeata2wh 0:0cfc06f9f18c 25
joeata2wh 0:0cfc06f9f18c 26 AnalogIn waterTempSense(A0);
joeata2wh 0:0cfc06f9f18c 27 AnalogIn oxygenLevelSense(A1);
joeata2wh 0:0cfc06f9f18c 28 AnalogIn solarStrengthSense(A2);
joeata2wh 0:0cfc06f9f18c 29 AnalogIn waterSpeedSense(A3);
joeata2wh 0:0cfc06f9f18c 30 // imagine for sake of example that we have
joeata2wh 0:0cfc06f9f18c 31 // circuitry that actually convert these Volt
joeata2wh 0:0cfc06f9f18c 32 // readings to useful readings.
joeata2wh 0:0cfc06f9f18c 33
joeata2wh 0:0cfc06f9f18c 34 DigitalOut led(LED1);
joeata2wh 0:0cfc06f9f18c 35
joeata2wh 0:0cfc06f9f18c 36
joeata2wh 0:0cfc06f9f18c 37 int main() {
joeata2wh 0:0cfc06f9f18c 38 printf("\nData Logger Example example\n");
joeata2wh 0:0cfc06f9f18c 39
joeata2wh 0:0cfc06f9f18c 40 float meas;
joeata2wh 0:0cfc06f9f18c 41 char dlbuff[81]; // buffer used internally by this instance of data log
joeata2wh 0:0cfc06f9f18c 42 DataLogChipType dlchip(dataLogMOSIPin, dataLogMISOPin, dataLogCLKPin, dataLogSelectPin);
joeata2wh 0:0cfc06f9f18c 43 DLOG *lgr = dlMake(&dlchip, dlbuff, 80);
joeata2wh 0:0cfc06f9f18c 44
joeata2wh 0:0cfc06f9f18c 45
joeata2wh 0:0cfc06f9f18c 46 lgr.log(lgr, "HEAD\tsensors", "waterTemp,oxygenLevel,solarStrength,waterSpeed");
joeata2wh 0:0cfc06f9f18c 47
joeata2wh 0:0cfc06f9f18c 48
joeata2wh 0:0cfc06f9f18c 49 while(1) {
joeata2wh 0:0cfc06f9f18c 50 float waterTemp = waterTempSense.read() * adc_ref;
joeata2wh 0:0cfc06f9f18c 51 float oxygenLevel = oxygenLevelSense.read() * adc_ref;
joeata2wh 0:0cfc06f9f18c 52 float solarStrength = solarStrengthSense.read() * adc_ref;
joeata2wh 0:0cfc06f9f18c 53 float waterSpeed = waterSpeedSense.read() * adc_ref;
joeata2wh 0:0cfc06f9f18c 54
joeata2wh 0:0cfc06f9f18c 55 float tbff
joeata2wh 0:0cfc06f9f18c 56 // lgr will internally log time. Whenever the date changes
joeata2wh 0:0cfc06f9f18c 57 // it will log a new date records.
joeata2wh 0:0cfc06f9f18c 58 meas = analog_value.read(); // Converts and read the analog input value (value from 0.0 to 1.0)
joeata2wh 0:0cfc06f9f18c 59 meas = meas * 3300; // Change the value to be in the 0 to 3300 range
joeata2wh 0:0cfc06f9f18c 60 printf("measure = %.0f mV\n", meas);
joeata2wh 0:0cfc06f9f18c 61 if (meas > 2000) { // If the value is greater than 2V then switch the LED on
joeata2wh 0:0cfc06f9f18c 62 led = 1;
joeata2wh 0:0cfc06f9f18c 63 }
joeata2wh 0:0cfc06f9f18c 64 else {
joeata2wh 0:0cfc06f9f18c 65 led = 0;
joeata2wh 0:0cfc06f9f18c 66 }
joeata2wh 0:0cfc06f9f18c 67 wait(0.2); // 200 ms
joeata2wh 0:0cfc06f9f18c 68 }
joeata2wh 0:0cfc06f9f18c 69 }