--- /dev/null
+/*
+ * dac_spi.h
+ *
+ * Created on: 12.2.2013
+ * Author: Michal Horn
+ */
+
+#ifndef DAC_SPI_H_
+#define DAC_SPI_H_
+
+//#include "hal_port_def.h"
+#include "drv/drv.h"
+
+#define DAC_PIN_NUM 4
+#define DAC1_INIT_VAL 0x2000
+#define DAC2_INIT_VAL 0xA000
+#define DAC3_INIT_VAL 0x2000
+#define DAC4_INIT_VAL 0xA000
+
+#define DAC_PIN_ON 1
+#define DAC_PIN_OFF 0
+
+#define DAC_OA_MULT 5.6
+#define DAC_VREF 2.5
+
+int dac_set_pin_voltage(uint8_t pin, uint32_t value);
+int dac_set_pin_on(uint8_t pin);
+int dac_set_pin_off(uint8_t pin);
+int dac_pin_is_on(uint8_t pin);
+int dac_get_pin_voltage(uint8_t pin);
+int dac_spi_transfer(uint8_t pin);
+
+#endif /* DAC_SPI_H_ */