Greg Steiert
mbd2pmd Adapter Board Library
This library assigns the proper pins for the mbed LPC1768 with the mbd2pmd adapter board.
- microSD pins
sd(p5, p6, p7, p8 "sd") - mux I2C pins
mux(p28, p27)
Digital I/O
pmd[8] is an array of pointers to the DigitalInOut objects
| Index | Name | Pmod |
|---|---|---|
| 0 | pa1 | 1 |
| 1 | pa2 | 2 |
| 2 | pa3 | 3 |
| 3 | pa4 | 4 |
| 4 | pb1 | 7 |
| 5 | pb2 | 8 |
| 6 | pb3 | 9 |
| 7 | pb4 | 10 |
MAX14661 Multiplexer Abstraction
mux_a[17] is an array of integers representing the bit mask of a multiplexer switch arranged in Arduino order
| Index | Pin | Name |
|---|---|---|
| 0 | p10 | RX |
| 1 | p9 | TX |
| 2 | p30 | RD |
| 3 | p25 | PWM1 |
| 4 | p24 | PB1 |
| 5 | p23 | PB2 |
| 6 | p22 | PB3 |
| 7 | p21 | PB4 |
| 8 | p29 | TD |
| 9 | p26 | PWM2 |
| 10 | p14 | PA1 |
| 11 | p11 | PA2 |
| 12 | p12 | PA3 |
| 13 | p13 | PA4 |
| 14 | p28 | SDA |
| 15 | p27 | SCL |
| 16 | na | 0 |
mux_p[9] is an array of integers representing the bit mask of a multiplexer switch arranged in Pmod order
| Index | Pin | Name |
|---|---|---|
| 0 | p14 | PA1 |
| 1 | p11 | PA2 |
| 2 | p12 | PA3 |
| 3 | p13 | PA4 |
| 4 | p24 | PB1 |
| 5 | p23 | PB2 |
| 6 | p22 | PB3 |
| 7 | p21 | PB4 |
| 8 | na | 0 |
Diff: mbd2pmd.cpp
- Revision:
- 0:0b4eb5eb8c18
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbd2pmd.cpp Sat May 10 00:35:23 2014 +0000
@@ -0,0 +1,37 @@
+/* mbd2pmd Board Driver Library
+ *
+ */
+
+#include "mbed.h"
+#include "mbd2pmd.h"
+
+mbd2pmd::mbd2pmd() :
+ mux(p28, p27), sd(p5, p6, p7, p8, "sd"),
+ pa1(p14), pa2(p11), pa3(p12), pa4(p13),
+ pb1(p24), pb2(p23), pb3(p22), pb4(p21)
+{
+}
+
+mbd2pmd::~mbd2pmd()
+{
+}
+
+const int mbd2pmd::mux_a[17] = {RX, TX, RD, PWM1, PB1, PB2, PB3, PB4, TD, PWM2, PA1, PA2, PA3, PA4, SDA, SCL, 0};
+const int mbd2pmd::mux_p[9] = {PA1, PA2, PA3, PA4, PB1, PB2, PB3, PB4, 0};
+
+// Initialize Digital IO to inputs with no pullups
+void mbd2pmd::init()
+{
+ pmd[0] = &pa1;
+ pmd[1] = &pa2;
+ pmd[2] = &pa3;
+ pmd[3] = &pa4;
+ pmd[4] = &pb1;
+ pmd[5] = &pb2;
+ pmd[6] = &pb3;
+ pmd[7] = &pb4;
+ for (int i=0; i < 8; i++) {
+ (*pmd[i]).mode(PullNone);
+ (*pmd[i]).input();
+ }
+}
mbd2pmd