AC101 corrections

Author: pschatzmann

src/Driver/ac101/ac101.c

@@ -20,7 +20,10 @@ void ac101_set_i2c_handle(i2c_bus_handle_t handle){
 
 
 static error_t ac101_write_reg(uint8_t reg_add, uint16_t data){
-    return i2c_bus_write_bytes(i2c_handle, AC101_ADDR, &reg_add, sizeof(reg_add), (uint8_t*) &data, sizeof(data));
+	uint8_t send_buff[2];
+	send_buff[0] = (data >> 8) & 0xff;
+	send_buff[1] = data & 0xff;
+    return i2c_bus_write_bytes(i2c_handle, AC101_ADDR, &reg_add, sizeof(reg_add), (uint8_t*) send_buff, sizeof(send_buff));
 }
 
 static error_t ac101_read_i2c(uint8_t devAddr, uint8_t reg_add, uint8_t *p_data, size_t size) {

src/Driver/ac101/ac101.h

@@ -11,7 +11,7 @@
 #define I2C_MASTER_READ 1
 
 
-#define AC101_ADDR			0x1a				/*!< Device address*/
+#define AC101_ADDR			0x34		    /*!< Device address 0x1a/0x34 */
 
 #undef READ_BIT
 #define WRITE_BIT  			I2C_MASTER_WRITE 	/*!< I2C master write */

src/DriverPins.h

@@ -576,7 +576,7 @@ class PinsAudioKitAC101Class : public DriverPins {
     // sd pins
     addSPI(ESP32PinsSD);
     // add i2c codec pins: scl, sda, port, frequency
-    addI2C(PinFunction::CODEC, 32, 22);
+    addI2C(PinFunction::CODEC, 32, 33);
     // add i2s pins: mclk, bck, ws,data_out, data_in ,(port)
     addI2S(PinFunction::CODEC, 0, 27, 26, 25, 35);
 

src/Utils/I2C.cpp

@@ -37,21 +37,19 @@ error_t i2c_bus_read_bytes(i2c_bus_handle_t bus, int addr, uint8_t *reg,
            reglen, datalen, reg[0]);
   TwoWire *p_wire = (TwoWire *)bus;
   assert(reglen == 1);
-  assert(datalen == 1);
   assert(p_wire!=nullptr);
 
-  outdata[0] = 0;
+  memset(outdata,0,datalen);
   int result = RESULT_OK;
 
   p_wire->beginTransmission(addr >> 1);
-  p_wire->write(reg[0]);
+  p_wire->write(reg, reglen);
   int rc = p_wire->endTransmission();
   if (rc != 0) {
     AD_LOGE("->p_wire->endTransmission: %d", rc);
   }
 
-  uint8_t result_len =
-      p_wire->requestFrom((uint16_t)(addr >> 1), (uint8_t)1, (uint8_t) true);
+  uint8_t result_len = p_wire->requestFrom((addr >> 1), datalen, (int) true);
   if (result_len > 0) {
     result_len = p_wire->readBytes(outdata, datalen);
   } else {

src/arduino-audio-driver.code-workspace

@@ -0,0 +1,14 @@
+{
+	"folders": [
+		{
+			"path": ".."
+		}
+	],
+	"settings": {
+		"files.associations": {
+			"driverconstants.h": "c",
+			"*.tcc": "cpp",
+			"stdbool.h": "c"
+		}
+	}
+}