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86 lines
2.2 KiB
86 lines
2.2 KiB
#include "BAHardware.h"
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#include "BASpiMemory.h"
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using namespace BALibrary;
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constexpr unsigned LOW_RATE = 2400;
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constexpr unsigned MIDI_RATE = 31250;
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constexpr unsigned HIGH_RATE = 250000;
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constexpr unsigned TEST_TIME = 5; // 5 second test each
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static unsigned baudRate = LOW_RATE; // start with low speed
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static uint8_t writeData = 0;
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static unsigned loopCounter = 0;
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static unsigned errorCount = 0;
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static bool testFailed = false;
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static bool testDone = false;
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static unsigned testPhase = 0; // 0 for low speed, 1 for MIDI speed, 2 for high speed.
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bool uartTest(void)
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{
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Serial1.begin(baudRate, SERIAL_8N1);
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delay(100);
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while(!Serial) {}
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Serial.println(String("\nRunning MIDI Port speed test at ") + baudRate);
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// write the first data
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Serial1.write(writeData);
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while(!testFailed && !testDone) {
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if (loopCounter >= (baudRate/4)) { // the divisor determines how long the test runs for
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// next test
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switch (testPhase) {
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case 0 :
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baudRate = MIDI_RATE;
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break;
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case 1 :
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baudRate = HIGH_RATE;
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break;
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case 2 :
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testDone = true;
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}
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if (errorCount == 0) { Serial.println("TEST PASSED!"); }
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else {
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Serial.println("MIDI PORT TEST FAILED!");
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}
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errorCount = 0;
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testPhase++;
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loopCounter = 0;
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if (!testDone) {
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Serial.println(String("\nRunning MIDI Port speed test at ") + baudRate);
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Serial1.begin(baudRate, SERIAL_8N1);
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while (!Serial1) {} // wait for serial to be ready
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} else {
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Serial.println("MIDI PORT TEST DONE!\n");
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}
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}
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// Wait for read data
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if (Serial1.available()) {
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uint8_t readData= Serial1.read();
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if (readData != writeData) {
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Serial.println(String("ERROR: readData = ") + readData + String(" writeData = ") + writeData);
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errorCount++;
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}
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if ((loopCounter % (baudRate/64)) == 0) { // the divisor determines how often the period is printed
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Serial.print("."); Serial.flush();
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}
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if (errorCount > 16) {
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Serial.println("Halting test");
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testFailed = true;
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}
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loopCounter++;
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writeData++;
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Serial1.write(writeData);
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}
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}
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return testFailed;
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}
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