supleed2/ELEC60013-ES-CW2
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Tidy up main.cpp

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Aadi Desai 2022-03-25 23:33:39 +00:00
parent 43fa3447ec
commit a6013fa51c
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GPG key ID: CFFFE425830EF4D9
1 changed files with 26 additions and 7 deletions
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33
src/main.cpp
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@ -20,6 +20,8 @@ std::atomic<uint8_t> selectedWaveform;
std::atomic<int> latestKey;
std::atomic<int8_t> volume;
std::atomic<bool> volumeFiner;
std::atomic<bool> handshakeEastOut;
std::atomic<bool> handshakeWestOut;
int8_t volumeHistory = 0;
QueueHandle_t msgInQ;
std::atomic<bool> bufferAactive;
@ -134,12 +136,13 @@ uint8_t readCols() {
return row;
}
// Set multiplexer bits to select row
void setRow(const uint8_t rowIdx) {
// Set multiplexer bits to select row, and set output from multiplexer
void setRow(const uint8_t rowIdx, const bool value) {
digitalWrite(REN_PIN, LOW);
digitalWrite(RA0_PIN, rowIdx & 0x01);
digitalWrite(RA1_PIN, rowIdx & 0x02);
digitalWrite(RA2_PIN, rowIdx & 0x04);
digitalWrite(OUT_PIN, value);
digitalWrite(REN_PIN, HIGH);
}
@ -176,7 +179,7 @@ void sampleISR() {
analogWrite(OUTR_PIN, Vout + 128);
}
//
// Interrupt service routine that copies received CAN messages to (larger) internal buffer when available
void CAN_RX_ISR() {
uint8_t ISR_RX_Message[8];
uint32_t ISR_rxID;
@ -207,7 +210,7 @@ void decodeTask(void *pvParameters) {
}
}
//
// Function to send a CAN message containing a changed key and it's new state
void keyChangedSendTXMessage(uint8_t octave, uint8_t key, bool pressed) {
uint8_t TX_Message[8] = {0};
if (pressed) {
@ -224,7 +227,7 @@ void keyChangedSendTXMessage(uint8_t octave, uint8_t key, bool pressed) {
}
}
//
// Function to send CAN message instructing other synths to change to sending mode
void announceMainSynth() {
uint8_t TX_Message[8] = {0};
TX_Message[0] = 0x4D; // "M"
@ -238,7 +241,21 @@ void scanKeysTask(void *pvParameters) {
while (1) {
vTaskDelayUntil(&xLastWakeTime, xFrequency);
for (uint8_t i = 0; i < 7; i++) {
setRow(i);
switch (i) {
case 3: // Display Power
case 4: // Display Reset, active low
setRow(i, HIGH);
break;
case 5: // Handshake Output West
setRow(i, handshakeWestOut);
break;
case 6: // Handshake Output East
setRow(i, handshakeEastOut);
break;
default: // Unimplemented
setRow(i, LOW);
break;
}
uint8_t oldRow = keyArray[i];
delayMicroseconds(3);
uint8_t newRow = readCols();
@ -351,6 +368,8 @@ void setup() {
#pragma region Variables Setup
isMainSynth = true;
octave = 4;
handshakeWestOut = false;
handshakeEastOut = true;
#pragma endregion
#pragma region Display Setup
setOutMuxBit(DRST_BIT, LOW); // Assert display logic reset
@ -366,7 +385,7 @@ void setup() {
#pragma region CAN Setup
msgInQ = xQueueCreate(36, 8);
CAN_Init(false);
setCANFilter(0x123, 0x7ff);
setCANFilter(canID, 0x7fc); // Mask last 2 bits
CAN_RegisterRX_ISR(CAN_RX_ISR);
CAN_Start();
#pragma endregion