diff --git a/firmware/src/edubrm.c b/firmware/src/edubrm.c
index e895619..2f6cfe7 100644
--- a/firmware/src/edubrm.c
+++ b/firmware/src/edubrm.c
@@ -46,7 +46,13 @@ void SetOutReport (uint8_t dst[], uint32_t length)
 		case 'D':
 			freq = dst[1] + (dst[2]<<8) + (dst[3]<<16) + (dst[4]<<24);
 			LPC_GPIO0->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2));		// set chipselect to 0
-			// TODO: set SPI commands
+			freq = 0xFFFFFFFF/50000000*freq;
+			SSPSend2(0xF8, 0x00);
+			SSPSend2(0x33, ((freq & 0xFF000000) >> 24));
+			SSPSend2(0x22, ((freq & 0x00FF0000) >> 16));
+			SSPSend2(0x31, ((freq & 0x0000FF00) >> 8));
+			SSPSend2(0x20, ((freq & 0x000000FF)));
+			SSPSend2(0xC0, 0x00);
 			LPC_GPIO0->MASKED_ACCESS[1<<2] |= (0<<2);					// set chipselect to 1
 			break;
 		case 'm':
@@ -58,7 +64,20 @@ void SetOutReport (uint8_t dst[], uint32_t length)
 			} else {
 				LPC_GPIO3->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2));		// set chipselect to 0
 			}
-			// TODO: set opamp (which) on channel (chan) with gain (gain) via SPI
+			// set channel
+			SSPSend2(0x41, chan); // 000 - ch#1, 101 - ch#6
+			if (which == 1) {
+				LPC_GPIO3->MASKED_ACCESS[1<<3] |= (0<<3);					// set chipselect to 1
+			} else {
+				LPC_GPIO3->MASKED_ACCESS[1<<2] |= (0<<2);					// set chipselect to 1
+			}
+			if (which == 1) {
+				LPC_GPIO3->MASKED_ACCESS[1<<3] &= ((0<<3) | ~(1<<3));		// set chipselect to 0
+			} else {
+				LPC_GPIO3->MASKED_ACCESS[1<<2] &= ((0<<2) | ~(1<<2));		// set chipselect to 0
+			}
+			// set gain
+			SSPSend2(0x40, gain); // 000 - 1, 111 - 32
 			if (which == 1) {
 				LPC_GPIO3->MASKED_ACCESS[1<<3] |= (0<<3);					// set chipselect to 1
 			} else {
@@ -119,7 +138,7 @@ void PinInit() {
 	LPC_IOCON->PIO3_1 |= 0x00;
 	LPC_GPIO2->DIR |= (1<<8) | (1<<9) | (1<<10) | (1<<11);
 	LPC_GPIO3->DIR |= (1<<0) | (1<<1);
-	SwitchesState(0);
+	SwitchesSetup(0);
 
 	//set chip select pins function
 	LPC_IOCON->PIO0_2 &= ~0x07; // DDS
diff --git a/firmware/src/edubrm.h b/firmware/src/edubrm.h
index 6745834..08bb149 100644
--- a/firmware/src/edubrm.h
+++ b/firmware/src/edubrm.h
@@ -5,4 +5,4 @@ void EnablePWM2(uint16_t period, uint16_t duty);
 void PinDir(uint16_t mask);
 void PinState(uint8_t which, uint8_t state);
 void EduInit();
-void SwitchesSetup(uint8_t states);
\ No newline at end of file
+void SwitchesSetup(uint8_t states);
diff --git a/firmware/src/ssp.c b/firmware/src/ssp.c
index be90ccb..f1da394 100644
--- a/firmware/src/ssp.c
+++ b/firmware/src/ssp.c
@@ -1,6 +1,14 @@
 #include "LPC13xx.h"
 #include "ssp.h"
 
+void SSPSend2(const uint8_t a, const uint8_t b)
+{
+	uint8_t buf[2];
+	buf[0] = a;
+	buf[1] = b;
+	SSPSend(buf, 2);
+}
+
 void SSPSend( const uint8_t *buf, uint32_t Length )
 {
   uint32_t i;
diff --git a/firmware/src/ssp.h b/firmware/src/ssp.h
index e3f77ff..54203e1 100644
--- a/firmware/src/ssp.h
+++ b/firmware/src/ssp.h
@@ -110,6 +110,7 @@ extern void SSP_IRQHandler (void);
 extern void SSPInit( void );
 extern void SSPSend( const uint8_t *Buf, uint32_t Length );
 extern void SSPReceive( uint8_t *buf, uint32_t Length );
+extern void SSPSend2(const uint8_t a, const uint8_t b);
 
 #endif  /* __SSP_H__ */
 /*****************************************************************************
diff --git a/software/modules/ModuleDebug.py b/software/modules/ModuleDebug.py
index 32bf474..d892fc8 100644
--- a/software/modules/ModuleDebug.py
+++ b/software/modules/ModuleDebug.py
@@ -72,14 +72,14 @@ class ModuleDebugWidget(QWidget):
 
     @pyqtSlot()
     def on_comboAMP1_changed(self):
-        c = self.ui.comboAMP1c.currentIndex() + 1
-        g = (1,2,4,5,8,10,16,32)[self.ui.comboAMP1g.currentIndex()]
+        c = self.ui.comboAMP1c.currentIndex()
+        g = self.ui.comboAMP1g.currentIndex()
         self.dev.opamp(1, c, g)
 
     @pyqtSlot()
     def on_comboAMP2_changed(self):
-        c = self.ui.comboAMP2c.currentIndex() + 1
-        g = (1,2,4,5,8,10,16,32)[self.ui.comboAMP2g.currentIndex()]
+        c = self.ui.comboAMP2c.currentIndex()
+        g = self.ui.comboAMP2g.currentIndex()
         self.dev.opamp(2, c, g)
 
     @pyqtSlot()