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Fix terminal export import

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This commit is contained in:
Dejvino 2026-03-01 14:08:41 +01:00
parent 1047d846f9
commit 14ac4401ce
4 changed files with 178 additions and 52 deletions
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62
UIThread.cpp
View File

@ -60,13 +60,15 @@ void readEncoder() {
void saveGridToEEPROM() {
if (!globalSynth) return;
uint8_t buf[SynthEngine::SERIALIZED_GRID_SIZE];
globalSynth->exportGrid(buf);
uint8_t buf[SynthEngine::MAX_SERIALIZED_GRID_SIZE];
size_t size = globalSynth->exportGrid(buf);
EEPROM.write(0, 'N');
EEPROM.write(1, 'S');
for (size_t i = 0; i < sizeof(buf); i++) {
EEPROM.write(2 + i, buf[i]);
EEPROM.write(2, (size >> 8) & 0xFF);
EEPROM.write(3, size & 0xFF);
for (size_t i = 0; i < size; i++) {
EEPROM.write(4 + i, buf[i]);
}
EEPROM.commit();
}
@ -74,11 +76,14 @@ void saveGridToEEPROM() {
void loadGridFromEEPROM() {
if (!globalSynth) return;
if (EEPROM.read(0) == 'N' && EEPROM.read(1) == 'S') {
uint8_t buf[SynthEngine::SERIALIZED_GRID_SIZE];
for (size_t i = 0; i < sizeof(buf); i++) {
buf[i] = EEPROM.read(2 + i);
size_t size = (EEPROM.read(2) << 8) | EEPROM.read(3);
if (size > SynthEngine::MAX_SERIALIZED_GRID_SIZE) size = SynthEngine::MAX_SERIALIZED_GRID_SIZE;
uint8_t buf[SynthEngine::MAX_SERIALIZED_GRID_SIZE];
for (size_t i = 0; i < size; i++) {
buf[i] = EEPROM.read(4 + i);
}
globalSynth->importGrid(buf);
globalSynth->importGrid(buf, size);
} else {
globalSynth->loadPreset(1); // Default to preset 1
}
@ -104,7 +109,7 @@ void setupUI() {
display.display();
// Initialize EEPROM
EEPROM.begin(512);
EEPROM.begin(1024);
// Check for safety clear (Button held on startup)
if (digitalRead(PIN_ENC_SW) == LOW) {
@ -269,13 +274,14 @@ void drawUI() {
}
void checkSerial() {
static int state = 0; // 0: Header, 1: Data
static int state = 0; // 0: Header, 1: Count, 2: Data, 3: EndCount
static int headerIdx = 0;
static const char* header = "NSGRID";
static int loadHeaderIdx = 0;
static const char* loadHeader = "NSLOAD";
static uint8_t buffer[SynthEngine::SERIALIZED_GRID_SIZE];
static uint8_t buffer[SynthEngine::MAX_SERIALIZED_GRID_SIZE];
static int bufferIdx = 0;
static uint8_t elementCount = 0;
while (Serial.available()) {
uint8_t b = Serial.read();
@ -283,7 +289,7 @@ void checkSerial() {
if (b == header[headerIdx]) {
headerIdx++;
if (headerIdx == 6) {
state = 1;
state = 1; // Expect count next
bufferIdx = 0;
headerIdx = 0;
loadHeaderIdx = 0;
@ -298,10 +304,10 @@ void checkSerial() {
loadHeaderIdx++;
if (loadHeaderIdx == 6) {
if (globalSynth) {
uint8_t buf[SynthEngine::SERIALIZED_GRID_SIZE];
globalSynth->exportGrid(buf);
static uint8_t exportBuf[SynthEngine::MAX_SERIALIZED_GRID_SIZE];
size_t size = globalSynth->exportGrid(exportBuf);
Serial.write("NSGRID", 6);
Serial.write(buf, sizeof(buf));
Serial.write(exportBuf, size);
Serial.flush();
}
loadHeaderIdx = 0;
@ -312,11 +318,29 @@ void checkSerial() {
if (b == 'N') loadHeaderIdx = 1;
}
}
} else if (state == 1) {
} else if (state == 1) { // Count
elementCount = b;
if (1 + elementCount * 5 > sizeof(buffer)) {
state = 0;
bufferIdx = 0;
Serial.println(F("ERROR: Grid too large"));
} else {
buffer[bufferIdx++] = b;
state = 2;
}
} else if (state == 2) { // Data
buffer[bufferIdx++] = b;
if (bufferIdx == SynthEngine::SERIALIZED_GRID_SIZE) {
if (globalSynth) {
globalSynth->importGrid(buffer);
if (bufferIdx == 1 + elementCount * 5) {
state = 3;
}
} else if (state == 3) { // End Count
buffer[bufferIdx++] = b;
if (globalSynth) {
int result = globalSynth->importGrid(buffer, bufferIdx);
if (result != 0) {
Serial.print("CRC ERROR "); Serial.println(result);
globalSynth->clearGrid();
} else {
saveGridToEEPROM();
Serial.println(F("OK: Grid Received"));
}

90
simulator/main.cpp
View File

@ -15,6 +15,7 @@
#if !defined(_WIN32)
#include <sys/select.h>
#include <unistd.h>
#include <termios.h>
#endif
// --- Configuration ---
@ -98,37 +99,60 @@ void checkSerialInput(FILE* serialPort) {
return;
#endif
printf("Grid import maybe?\n");
static int state = 0;
static int headerIdx = 0;
static const char* header = "NSGRID";
static uint8_t buffer[SynthEngine::SERIALIZED_GRID_SIZE];
static uint8_t buffer[SynthEngine::MAX_SERIALIZED_GRID_SIZE];
static int bufferIdx = 0;
static uint8_t elementCount = 0;
for (ssize_t i = 0; i < n; ++i) {
uint8_t b = buf[i];
if (state == 0) {
if (b == header[headerIdx]) {
if (b == (uint8_t)header[headerIdx]) {
headerIdx++;
if (headerIdx == 6) {
state = 1;
state = 1; // Expect count
bufferIdx = 0;
headerIdx = 0;
printf("Grid import starting.\n");
}
} else {
if (headerIdx > 0) {
printf("Header mismatch at index %d. Received: %02X\n", headerIdx, b);
}
headerIdx = 0;
if (b == 'N') headerIdx = 1;
}
} else if (state == 1) {
buffer[bufferIdx++] = b;
if (bufferIdx == SynthEngine::SERIALIZED_GRID_SIZE) {
engine.importGrid(buffer);
printf("Grid imported from serial.\n");
} else if (state == 1) { // Count
elementCount = b;
printf("Grid element count: %d\n", elementCount);
if (1 + elementCount * 5 + 1 > sizeof(buffer)) {
state = 0;
bufferIdx = 0;
printf("ERROR: Grid too large (count: %d)\n", elementCount);
} else {
buffer[bufferIdx++] = b;
state = (elementCount == 0) ? 3 : 2;
}
} else if (state == 2) { // Data
buffer[bufferIdx++] = b;
if (bufferIdx == 1 + elementCount * 5) {
state = 3;
}
} else if (state == 3) { // End Count
buffer[bufferIdx++] = b;
printf("Grid import finishing. Total bytes: %d. End count: %d\n", bufferIdx, b);
int result = engine.importGrid(buffer, bufferIdx);
if (result != 0) {
printf("Grid import failed: CRC ERROR %d\n", result);
engine.clearGrid();
} else {
printf("Grid imported from serial successfully.\n");
}
state = 0;
bufferIdx = 0;
}
}
}
@ -986,7 +1010,45 @@ int main(int argc, char* argv[]) {
if (argc > 1) {
serialPort = fopen(argv[1], "r+b");
if (serialPort) printf("Opened serial port: %s\n", argv[1]);
if (serialPort) {
printf("Opened serial port: %s\n", argv[1]);
#if !defined(_WIN32)
int fd = fileno(serialPort);
struct termios tty;
if (tcgetattr(fd, &tty) != 0) {
printf("Error from tcgetattr\n");
} else {
cfsetospeed(&tty, B115200);
cfsetispeed(&tty, B115200);
tty.c_cflag &= ~PARENB; // Clear parity bit, disabling parity (most common)
tty.c_cflag &= ~CSTOPB; // Clear stop field, only one stop bit used in communication (most common)
tty.c_cflag &= ~CSIZE; // Clear all bits that set the data size
tty.c_cflag |= CS8; // 8 bits per byte (most common)
tty.c_cflag &= ~CRTSCTS; // Disable RTS/CTS hardware flow control (most common)
tty.c_cflag |= CREAD | CLOCAL; // Turn on READ & ignore ctrl lines (CLOCAL = 1)
tty.c_lflag &= ~ICANON; // Disable canonical mode
tty.c_lflag &= ~ECHO; // Disable echo
tty.c_lflag &= ~ECHOE; // Disable erasure
tty.c_lflag &= ~ECHONL; // Disable new-line echo
tty.c_lflag &= ~ISIG; // Disable interpretation of INTR, QUIT and SUSP
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // Turn off s/w flow ctrl
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL); // Disable any special handling of received bytes
tty.c_oflag &= ~OPOST; // Prevent special interpretation of output bytes (e.g. newline chars)
tty.c_oflag &= ~ONLCR; // Prevent conversion of newline to carriage return/line feed
tty.c_cc[VTIME] = 0; // No blocking with timeout
tty.c_cc[VMIN] = 0; // Non-blocking read
if (tcsetattr(fd, TCSANOW, &tty) != 0) {
printf("Error from tcsetattr\n");
}
}
#endif
}
else printf("Failed to open serial port: %s\n", argv[1]);
}
@ -1230,10 +1292,10 @@ int main(int argc, char* argv[]) {
my >= exportButtonRect.y && my <= exportButtonRect.y + exportButtonRect.h) {
if (serialPort) {
uint8_t buf[SynthEngine::SERIALIZED_GRID_SIZE];
engine.exportGrid(buf);
uint8_t buf[SynthEngine::MAX_SERIALIZED_GRID_SIZE];
size_t size = engine.exportGrid(buf);
fwrite("NSGRID", 1, 6, serialPort);
fwrite(buf, 1, sizeof(buf), serialPort);
fwrite(buf, 1, size, serialPort);
fflush(serialPort);
printf("Grid exported to serial. Waiting for response...\n");

70
synth_engine.cpp
View File

@ -42,37 +42,77 @@ SynthEngine::SynthEngine(uint32_t sampleRate)
SynthEngine::~SynthEngine() {
}
void SynthEngine::exportGrid(uint8_t* buffer) {
size_t SynthEngine::exportGrid(uint8_t* buffer) {
SynthLockGuard<SynthMutex> lock(gridMutex);
size_t idx = 0;
uint8_t count = 0;
for(int y=0; y<GRID_H; ++y) {
for(int x=0; x<GRID_W; ++x) {
GridCell& c = grid[x][y];
buffer[idx++] = (uint8_t)c.type;
buffer[idx++] = (uint8_t)(c.param * 255.0f);
buffer[idx++] = (uint8_t)c.rotation;
if (grid[x][y].type != GridCell::EMPTY) count++;
}
}
}
void SynthEngine::importGrid(const uint8_t* buffer) {
SynthLockGuard<SynthMutex> lock(gridMutex);
size_t idx = 0;
buffer[idx++] = count;
for(int y=0; y<GRID_H; ++y) {
for(int x=0; x<GRID_W; ++x) {
GridCell& c = grid[x][y];
uint8_t t = buffer[idx++];
uint8_t p = buffer[idx++];
uint8_t r = buffer[idx++];
if (c.type != GridCell::EMPTY) {
buffer[idx++] = (uint8_t)x;
buffer[idx++] = (uint8_t)y;
buffer[idx++] = (uint8_t)c.type;
buffer[idx++] = (uint8_t)(c.param * 255.0f);
buffer[idx++] = (uint8_t)c.rotation;
}
}
}
buffer[idx++] = count;
return idx;
}
GridCell::Type newType = (GridCell::Type)t;
c.type = newType;
int SynthEngine::importGrid(const uint8_t* buffer, size_t size) {
if (size < 2) return 1;
uint8_t countStart = buffer[0];
uint8_t countEnd = buffer[size - 1];
if (countStart != countEnd) return 2;
size_t expectedSize = 1 + countStart * 5 + 1;
if (size != expectedSize) return 3;
SynthLockGuard<SynthMutex> lock(gridMutex);
// Clear grid first
for (int x = 0; x < GRID_W; ++x) {
for (int y = 0; y < GRID_H; ++y) {
GridCell& c = grid[x][y];
if (c.type == GridCell::SINK) continue;
c.type = GridCell::EMPTY;
c.param = 0.5f;
c.rotation = 0;
c.value = 0.0f;
c.phase = 0.0f;
c.next_value = 0.0f;
}
}
size_t idx = 1;
for(int i=0; i<countStart; ++i) {
uint8_t x = buffer[idx++];
uint8_t y = buffer[idx++];
uint8_t t = buffer[idx++];
uint8_t p = buffer[idx++];
uint8_t r = buffer[idx++];
if (x < GRID_W && y < GRID_H) {
GridCell& c = grid[x][y];
c.type = (GridCell::Type)t;
c.param = (float)p / 255.0f;
c.rotation = r;
}
}
rebuildProcessingOrder_locked();
return 0;
}
void SynthEngine::clearGrid() {

6
synth_engine.h
View File

@ -112,9 +112,9 @@ public:
static const int GRID_W = 12;
static const int GRID_H = 12;
static const size_t SERIALIZED_GRID_SIZE = GRID_W * GRID_H * 3;
void exportGrid(uint8_t* buffer);
void importGrid(const uint8_t* buffer);
static const size_t MAX_SERIALIZED_GRID_SIZE = 1024;
size_t exportGrid(uint8_t* buffer);
int importGrid(const uint8_t* buffer, size_t size);
void loadPreset(int preset);
void rebuildProcessingOrder();
void clearGrid();