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BALibrary/examples/Tests/TGA_PRO_Basic_Test/UartTest.cpp

82 lines
2.2 KiB

#include "BAHardware.h"
#include "BASpiMemory.h"
using namespace BALibrary;
constexpr unsigned MIDI_RATE = 31250;
constexpr unsigned HIGH_RATE = 230400;
constexpr unsigned TEST_TIME = 5; // 5 second test each
static unsigned baudRate = MIDI_RATE; // start with low speed
static uint8_t writeData = 0;
static unsigned loopCounter = 0;
static unsigned errorCount = 0;
static bool testFailed = false;
static bool testDone = false;
static unsigned testPhase = 0; // 0 for MIDI speed, 1 for high speed.
bool uartTest(void)
{
Serial1.begin(baudRate, SERIAL_8N1);
delay(100);
if (!Serial) { return false; } // skip uart test if Serial not connected
Serial.println(String("\nRunning MIDI Port speed test at ") + baudRate);
// write the first data
Serial1.write(writeData);
while(!testFailed && !testDone) {
if (loopCounter >= (baudRate/4)) { // the divisor determines how long the test runs for
// next test
switch (testPhase) {
case 0 :
baudRate = HIGH_RATE;
break;
case 1 :
testDone = true;
}
if (errorCount == 0) { Serial.println("TEST PASSED!"); }
else {
Serial.println("MIDI PORT TEST FAILED!");
}
errorCount = 0;
testPhase++;
loopCounter = 0;
if (!testDone) {
Serial.println(String("\nRunning MIDI Port speed test at ") + baudRate);
Serial1.begin(baudRate, SERIAL_8N1);
while (!Serial1) {} // wait for serial to be ready
} else {
Serial.println("MIDI PORT TEST DONE!\n");
}
}
// Wait for read data
if (Serial1.available()) {
uint8_t readData= Serial1.read();
if (readData != writeData) {
Serial.println(String("MIDI ERROR: readData = ") + readData + String(" writeData = ") + writeData);
errorCount++;
}
if ((loopCounter % (baudRate/64)) == 0) { // the divisor determines how often the period is printed
Serial.print("."); Serial.flush();
}
if (errorCount > 16) {
Serial.println("Halting test");
testFailed = true;
}
loopCounter++;
writeData++;
Serial1.write(writeData);
}
}
return testFailed;
}