1 files changed, 110 insertions, 0 deletions
diff --git a/src/wiring/io.h b/src/wiring/io.h
new file mode 100644
index 0000000..387326a
--- /dev/null
+++ b/src/wiring/io.h
@@ -0,0 +1,110 @@
+#ifndef _IO_H
+#define _IO_H
+
+#include <inttypes.h>
+
+#ifdef __cplusplus
+extern "C"{
+#endif
+
+/* stash these here for now  */
+#define D0    0
+#define D1    1
+#define D2    2
+#define D3    3
+#define D4    4
+#define D5    5
+#define D6    6
+#define D7    7
+#define D8    8
+#define D9    9
+#define D10  10
+#define D11  11
+#define D12  12
+#define D13  13
+#define D14  14
+#define D15  15
+#define D16  16
+#define D16  16
+#define D17  17
+#define D18  18
+#define D19  19
+#define D20  20
+#define D21  21
+#define D22  22
+#define D23  23
+#define D24  24
+#define D25  25
+#define D26  26
+#define D27  27
+#define D28  28
+#define D29  29
+#define D30  30
+#define D31  31
+#define D32  32
+#define D33  33
+#define D34  34
+#define D35  35
+#define D36  36
+#define D37  37
+#define D38  38
+#define D39  39
+
+#define A0   D14
+#define A1   D15
+#define A2   D16
+#define A3   D17
+#define A4   D18
+#define A5   D19
+#define A6   D0
+#define A7   D1
+#define A8   D2
+#define A9   D3
+#define A10  D10
+#define A11  D11
+#define A12  D12
+#define A13  D13
+#define A14  D26
+#define A15  D11
+
+/* Set pin to mode
+ * pinMode(pin, mode):
+ *     pin -> {0-38, D0-D39, A0-16}
+ *     mode -> {
+ *         INPUT/INPUT_DIGITAL
+ *         INPUT_PULLUP
+ *         INPUT_PULLDOWN
+ *         INPUT_ANALOG
+ *         OUTPUT/OUTPUT_PP
+ *         OUTPUT_OPEN_DRAIN
+ *     }
+ */
+void pinMode(uint8_t, uint8_t);
+
+/* 
+ * Writes VALUE to digital pin[0-38]
+ * digitalWrite(pin, value):
+ *     pin -> {0-38, D0-D39, A0-16}
+ *     value -> LOW, HIGH;
+*/
+void digitalWrite(uint8_t, uint8_t);
+
+/* Read a digital value from pin, the pin mode must be set to
+ * {INPUT, INPUT_PULLUP, INPUT_PULLDOWN}
+ * digitalRead(pin)        
+ *     pin -> {0-38, D0-D39, A0-16}
+ */
+uint32_t digitalRead(uint8_t);
+
+/* Read an analog value from pin, the pin mode must be set
+ * to INPUT_ANALOG 
+ * analogRead(pin)
+ *     pin -> {A0-A16}
+ *     */
+uint32_t analogRead(uint8_t);
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+#endif
+