try to fix submodule

firmware/lib/Arduino-FOC-drivers/src/encoders/sc60228/SC60228.cpp

@@ -0,0 +1,57 @@
+
+#include "./SC60228.h"
+
+
+SC60228::SC60228(SPISettings settings, int nCS) : settings(settings), nCS(nCS) {
+    // nix
+};
+
+SC60228::~SC60228() { };
+
+void SC60228::init(SPIClass* _spi) {
+    spi = _spi;
+	if (nCS>=0)
+		pinMode(nCS, OUTPUT);
+	digitalWrite(nCS, HIGH);
+	spi->begin();
+	readRawAngle();
+};
+
+
+
+SC60228Angle SC60228::readRawAngle(){
+    SC60228Angle result;
+    result.reg = spi_transfer16(0x0000);
+    errorflag = (result.err==1);
+    // TODO check parity
+    // Serial.print("0x");
+    // Serial.print(result.angle, HEX);
+    // Serial.print(" - 0x");
+    // Serial.println(result.reg, HEX);
+    return result;
+};
+
+
+
+bool SC60228::isError() {
+    return errorflag;
+};
+
+
+
+uint16_t SC60228::spi_transfer16(uint16_t outdata){
+    uint16_t result;
+    if (nCS>=0)
+        digitalWrite(nCS, LOW);
+    // min delay here: 250ns
+    spi->beginTransaction(settings);
+    result = spi->transfer16(outdata);
+    // min delay here: clock period / 2
+    spi->endTransaction();
+    if (nCS>=0)
+        digitalWrite(nCS, HIGH);
+    // min delay until next read: 250ns
+    return result;
+};
+
+