supleed2/ELEC60013-ES-CW2
1
0
Fork 0
mirror of https://github.com/supleed2/ELEC60013-ES-CW2.git synced 2024-12-22 21:55:50 +00:00
Code Issues Packages Projects Releases Wiki Activity

Single Key Mode

Browse source
This commit is contained in:
Aadi Desai 2022-03-25 15:03:28 +00:00
parent 4d0cc666f6
commit 88b456e250
No known key found for this signature in database
GPG key ID: CFFFE425830EF4D9
1 changed files with 15 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

34
src/main.cpp
View file

@ -17,6 +17,7 @@ std::atomic<int32_t> currentStepSize;
std::atomic<uint8_t> keyArray[7];
std::atomic<uint8_t> octave;
std::atomic<uint8_t> selectedWaveform;
std::atomic<int> latestKey;
QueueHandle_t msgInQ;
uint8_t RX_Message[8] = {0};
std::atomic<bool> bufferAactive;
@ -138,21 +139,10 @@ uint16_t getTopKey() {
// Interrupt driven routine to send waveform to DAC
void sampleISR() {
static uint8_t bufferSample = 0; // up to 255;
if (bufferSample = 220) {
bufferSample = 0;
bufferAactive = !bufferAactive;
}
if (bufferAactive) {
analogWrite(OUTR_PIN, bufferA[bufferSample]);
} else {
analogWrite(OUTR_PIN, bufferB[bufferSample]);
}
static int32_t phaseAcc = 0;
phaseAcc += currentStepSize;
int32_t Vout = phaseAcc >> (32 - K3.getRotation() / 2); // Volume range from (>> 32) to (>> 24), range of 8
analogWrite(OUTR_PIN, Vout + 128);
bufferSample++;
}
void CAN_RX_ISR() {
@ -187,8 +177,14 @@ void decodeTask(void *pvParameters) {
xQueueReceive(msgInQ, RX_Message, portMAX_DELAY);
if (RX_Message[0] == 0x50) { // Pressed
activeNotes[(RX_Message[1] - 1) * 12 + RX_Message[2]] = true;
latestKey = (RX_Message[1] - 1) * 12 + RX_Message[2];
currentStepSize = stepSizes[latestKey];
} else { // Released
activeNotes[(RX_Message[1] - 1) * 12 + RX_Message[2]] = false;
if (latestKey == (RX_Message[1] - 1) * 12 + RX_Message[2]) {
latestKey = 0;
currentStepSize = stepSizes[latestKey]; // Atomic Store
}
}
}
}
@ -220,14 +216,15 @@ void scanKeysTask(void *pvParameters) {
continue;
} else {
keyArray[i] = newRow;
for (uint8_t j = 0; j < 4; j++) {
if ((oldRow & (0x1 << j)) ^ (newRow & (0x1 << j))) {
keyChangedSendTXMessage(octave, i * 4 + j + 1, newRow & (0x1 << j));
if (i < 3) {
for (uint8_t j = 0; j < 4; j++) {
if ((oldRow & (0x1 << j)) ^ (newRow & (0x1 << j))) {
keyChangedSendTXMessage(octave, i * 4 + j + 1, newRow & (0x1 << j));
}
}
}
}
}
currentStepSize = stepSizes[getTopKey()]; // Atomic Store
K0.updateRotation(keyArray[4] & 0x4, keyArray[4] & 0x8);
K1.updateRotation(keyArray[4] & 0x1, keyArray[4] & 0x2);
K2.updateRotation(keyArray[3] & 0x4, keyArray[3] & 0x8);
@ -266,14 +263,13 @@ void displayUpdateTask(void *pvParameters) {
// Print Send / Receive State above knob 2
if (K2.getRotation()) {
u8g2.drawStr(70, 30, "SEND");
u8g2.drawStr(74, 30, "SEND");
} else {
u8g2.drawStr(70, 30, "RECV");
u8g2.drawStr(74, 30, "RECV");
}
// Print currently selected volume level above knob 3
u8g2.setCursor(110, 30);
u8g2.print("V:");
u8g2.setCursor(116, 30);
u8g2.print(K3.getRotation());
u8g2.sendBuffer(); // transfer internal memory to the display