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authorPhilip Lampkin <plampkin@chem.wisc.edu>2020-12-29 21:23:01 -0600
committerPhilip Lampkin <plampkin@chem.wisc.edu>2020-12-29 21:23:01 -0600
commitdf80df8ba6775f6a4897624822ed622adf45be19 (patch)
treec0944564279b5f64130ecb60fe4ed12c13decc79 /Digital Photoreactor Controller Firmware/Test Sketchs
parentef69f7a8f7bfe888cfa53a93a26dc57c036568a9 (diff)
Commented and cleaned up code
Diffstat (limited to 'Digital Photoreactor Controller Firmware/Test Sketchs')
-rw-r--r--Digital Photoreactor Controller Firmware/Test Sketchs/Master_Random_LED_I2C/Master_Random_LED_I2C.ino99
1 files changed, 24 insertions, 75 deletions
diff --git a/Digital Photoreactor Controller Firmware/Test Sketchs/Master_Random_LED_I2C/Master_Random_LED_I2C.ino b/Digital Photoreactor Controller Firmware/Test Sketchs/Master_Random_LED_I2C/Master_Random_LED_I2C.ino
index 6c3e774..ac5f249 100644
--- a/Digital Photoreactor Controller Firmware/Test Sketchs/Master_Random_LED_I2C/Master_Random_LED_I2C.ino
+++ b/Digital Photoreactor Controller Firmware/Test Sketchs/Master_Random_LED_I2C/Master_Random_LED_I2C.ino
@@ -1,52 +1,32 @@
+////////////////////////////////////////////////////////////////////////////////////
+// I2C test program for Digital Photoreactor Controller using TinyWireS library //
+// Run this Master program on an Arduino Uno. //
+////////////////////////////////////////////////////////////////////////////////////
+// This test program is adapted from the TinyWireS stress test program //
+// developed by Scott Hartog: https://github.com/rambo/TinyWire //
+// //
+// The master program picks a random number of bytes between 1 and 12. //
+// It then sends that many bytes of randomd data to the AtTiny85 slave. //
+// Then, the master reads that same number of bytes back from the slave. //
+// The recieved data is then compared to the original transmitted data. //
+// The results of this comparison are displayed in the serial monitor. //
+// The process is then looped. //
+// //
+// BREADBOARD SETUP: //
+// Arduino Uno R3 (D18/SDA) = I2C SDA //
+// connect to SDA on slave with external pull-up (~4.7K) //
+// Arduino Uno R3 (D19/SCL) = I2C SCL //
+// connect to SCL on slave with external pull-up (~4.7K) //
+// Arduino Uno R3 (D2) //
+// connect to !RST on slave //
+// Can alternatively connect !RST on slave to the Ardiuno "!RESET" pin //
+// //
+////////////////////////////////////////////////////////////////////////////////////
-// ---------------------------------
-// Stress test program/example for TinyWireS I2C library.
-// Run this master program on the Arduino Uno R3.
-// Run the other slave program on the Attiny.
-// ---------------------------------
-// Written by Scott Hartog, 2/6/2016
-// This is the I2C master program which runs on on a regular Arduino
-// (not a AtTiny). This program uses the regular Wire library from the Arduino IDE.
-//
-// It performs these steps in a loop:
-// 1. picks a random number of bytes between 1 and 12
-// 2. sends that many bytes of random data to the AtTiny slave within
-// a single Wire.beginTransmission() / Wire.write() / Wire.endTransmission() set
-// 3. reads that same number of bytes back with a single Wire.requestFrom() call
-// 4. compares the received data to the originally transmitted data
-// 5. displays the number of requests, number of requests with mismatches,
-// and enough of the data so that the operator can tell it's working.
-//
#include <Wire.h>
-// BREADBOARD SETUP:
-// Arduino Uno R3 (D18/SDA) = I2C SDA
-// connect to SDA on slave with external pull-up (~4.7K)
-// Arduino Uno R3 (D19/SCL) = I2C SCL
-// connect to SCL on slave with external pull-up (~4.7K)
-// Arduino Uno R3 (D2)
-// connect to !RST on slave
-// Can alternatively connect !RST on slave to the Ardiuno "!RESET" pin
-
#define I2C_SLAVE_ADDR 0x26 // i2c slave address (38, 0x26)
-/*#if defined(ESP8266)
- // pins that work for Monkey Board ESP8266 12-E
- // SCL=5, SDA=4
- #define SLAVE_RESET_PIN 2
- #define ALL_OK_LED_PIN 16
- #define OK_LED_PIN 14
- #define ERROR_LED_PIN 13
-#else
- // pins that work for Micro Pro, Uno, Mega 2560
- // reference documentation for SCL and SDA pin locations
- // Uno SDA=D18, SCL=D19
- #define SLAVE_RESET_PIN 6
- #define ALL_OK_LED_PIN 9
- #define OK_LED_PIN 7
- #define ERROR_LED_PIN 8
-#endif*/
-
uint16_t count = 0; // total number of passes so far
uint16_t error_count = 0; // total errors encountered so far
@@ -54,33 +34,12 @@ char c_buf[64]; // for creating messages
void setup()
{
- // set pin modes
- /*pinMode(SLAVE_RESET_PIN,OUTPUT); // active low reset to slave device
- pinMode(OK_LED_PIN,OUTPUT); // indicates last transaction matched
- pinMode(ALL_OK_LED_PIN,OUTPUT); // indicates all transactions so far have matched
- pinMode(ERROR_LED_PIN,OUTPUT); // indicates last transaction mismatched*/
// init the serial port
Serial.begin(9600);
- // print some useful pinnout info for the Arduino
- //Serial.println(String("SCL:")+String(SCL)+String(", SDA:")+String(SDA));
- //Serial.println(String("MOSI:")+String(MOSI)+String(", SCK:")+String(SCK));
-
// init the Wire object (for I2C)
Wire.begin();
-
- // init the i2c clock
- // default is 100kHz if not changed
- // Wire.setClock(400000L); // 400kHz
-
- // reset the slave
- //digitalWrite(SLAVE_RESET_PIN, LOW);
- //delay(10);
- //digitalWrite(SLAVE_RESET_PIN, HIGH);
-
- // set the all okay pin high
- //digitalWrite(ALL_OK_LED_PIN, HIGH);
// wait for slave to finish any init sequence
delay(2000);
@@ -134,16 +93,6 @@ void loop()
if (mismatch || (rand_byte_count != req_rtn))
{
error_count++;
- //digitalWrite(ERROR_LED_PIN, HIGH);
- //digitalWrite(OK_LED_PIN, LOW);
- // If there's ever an error, reset the ALL_OK_LED
- // and it is not set again until the master resets.
- //digitalWrite(ALL_OK_LED_PIN, LOW);
- }
- else
- {
- //digitalWrite(ERROR_LED_PIN, LOW);
- //digitalWrite(OK_LED_PIN, HIGH);
}
// The rest of the program just displays the results to the serial port