es8388_read_reg

Author: pschatzmann

src/Driver/es8388/es8388.c

@@ -60,6 +60,11 @@ error_t es8388_write_reg(uint8_t reg_add, uint8_t data)
     return es_write_reg(ES8388_ADDR, reg_add, data);
 }
 
+error_t es8388_read_reg(uint8_t reg_add, uint8_t *p_data)
+{
+    return i2c_bus_read_bytes(i2c_handle, ES8388_ADDR, &reg_add, sizeof(reg_add), p_data, 1);
+}
+
 /**
  * @brief Configure ES8388 ADC and DAC volume. Basicly you can consider this as ADC and DAC gain
  *

src/Driver/es8388/es8388.h

@@ -262,6 +262,19 @@ error_t es8388_config_output_device(es_output_device_t output);
  */
 error_t es8388_write_reg(uint8_t reg_add, uint8_t data);
 
+/**
+ * @brief Reads ES8388 register
+ *
+ * @param reg_add address of register
+ * @param data data of register
+ *
+ * @return
+ *     - RESULT_FAIL Parameter error
+ *     - RESULT_OK   Success
+ */
+
+error_t es8388_read_reg(uint8_t reg_add, uint8_t *p_data);
+
 /**
  * @brief Print all ES8388 registers
  *