Initial commit of library code, moved from leaftest repo

git-svn-id: https://leaflabs.googlecode.com/svn/trunk/library@69 749a229e-a60e-11de-b98f-4500b42dc123

1 files changed, 33 insertions, 0 deletions

diff --git a/src/wiring/wiring_analog.c b/src/wiring/wiring_analog.c
new file mode 100644
index 0000000..abcf7c6
--- /dev/null
+++ b/src/wiring/wiring_analog.c
@@ -0,0 +1,33 @@
+#include "adc.h"
+#include "gpio.h"
+#include "wiring.h"
+#include <stdio.h>
+
+/* Indexed by pins A[0-15]  */
+uint32_t PIN_TO_ADC[NR_ANALOG_PINS] = {
+    10,                     // A0/D14    ADC10
+    11,                     // A1/D15    ADC11
+    12,                     // A2/D16    ADC12
+    13,                     // A3/D17    ADC13
+    14,                     // A4/D18    ADC14
+    15,                     // A5/D19    ADC15
+     3,                     // A6/D0     ADC3
+     2,                     // A7/D1     ADC2
+     0,                     // A8/D2     ADC0
+     1,                     // A9/D3     ADC1
+     4,                     // A10/D10   ADC4
+     7,                     // A11/D11   ADC7
+     6,                     // A12/D12   ADC6
+     5,                     // A13/D13   ADC5
+     8,                     // A14/D26   ADC8
+     9,                     // A15/D11   ADC9
+};
+
+/* Assumes that the ADC has been initialized and
+ * that the pin is set to ANALOG_INPUT */
+uint32_t analogRead(uint8_t pin) {
+    if (pin >= NR_ANALOG_PINS)
+        return 0;
+
+    return adc_read(PIN_TO_ADC[pin]);
+}