add dac/adc skeletons

git-svn-id: https://bucket.mit.edu/svn/nilm/zoom@5457 ddd99763-3ecb-0310-9145-efcb8ce7c51f

firmware/adc.c

@@ -0,0 +1,17 @@
+#include "config.h"
+#include "adc.h"
+
+/* Initialize ADC */
+void adc_init(void)
+{
+	// TODO (SPI)
+}
+
+/* Read the result of the previous
+   conversion and start a new one */
+uint32_t adc_read(void)
+{
+	// TODO.
+	// can we separate read/start conversion?
+	// unclear
+}

firmware/adc.h

@@ -0,0 +1,11 @@
+#ifndef ADC_H
+#define ADC_H
+
+/* Initialize ADC */
+void adc_init(void);
+
+/* Read the result of the previous
+   conversion and start a new one */
+uint32_t adc_read(void);
+
+#endif

firmware/dac.c

@@ -0,0 +1,12 @@
+#include "config.h"
+#include "dac.h"
+
+void dac_init(void)
+{
+	// TODO
+}
+
+void dac_write(uint16_t val)
+{
+	// TODO
+}

firmware/dac.h

@@ -0,0 +1,9 @@
+#ifndef DAC_H
+#define DAC_H
+
+#include <stdint.h>
+
+void dac_init(void);
+void dac_write(uint16_t val);
+
+#endif

firmware/zoom.mcp

@@ -25,15 +25,23 @@ file_004=no
 file_005=no
 file_006=no
 file_007=no
+file_008=no
+file_009=no
+file_010=no
+file_011=no
 [FILE_INFO]
 file_000=zoom.c
 file_001=config.c
 file_002=uart.c
 file_003=util.c
-file_004=config.h
-file_005=uart.h
-file_006=util.h
-file_007=p33fj256gp710.gld
+file_004=dac.c
+file_005=adc.c
+file_006=config.h
+file_007=uart.h
+file_008=util.h
+file_009=dac.h
+file_010=adc.h
+file_011=p33fj256gp710.gld
 [SUITE_INFO]
 suite_guid={479DDE59-4D56-455E-855E-FFF59A3DB57E}
 suite_state=