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 |
Revision 0:0b4eb5eb8c18, committed 2014-05-10
- Comitter:
- gsteiert
- Date:
- Sat May 10 00:35:23 2014 +0000
- Commit message:
- mbd2pmd Adapter Board Library initial publication
Changed in this revision
mbd2pmd.cpp | Show annotated file Show diff for this revision Revisions of this file |
mbd2pmd.h | Show annotated file Show diff for this revision Revisions of this file |
diff -r 000000000000 -r 0b4eb5eb8c18 mbd2pmd.cpp --- /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(); + } +}
diff -r 000000000000 -r 0b4eb5eb8c18 mbd2pmd.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbd2pmd.h Sat May 10 00:35:23 2014 +0000 @@ -0,0 +1,91 @@ +/* mbd2pmd Board Driver Library + * + */ + +#ifndef MBD2PMD_H +#define MBD2PMD_H + +#include "mbed.h" +#include "SDFileSystem.h" +#include "MAX14661.h" + +/** mbd2pmd Library, Provides utilities for configuring the mbd2pmd Board + * + * Example: + * @code + * // Configure board to pass UART signals to peripheral connector. + * + * #include "mbd2pmd.h" + * + * mbd2pmd m2p; + * + * int main() { + * m2p.mux.setAB((mbd2pmd::RX | mbd2pmd::PA3), (mbd2pmd::TX | mbd2pmd::PA2)); + * } + * @endcode + */ +class mbd2pmd +{ +public: + + /** Create a mbd2pmd interface + * + */ + mbd2pmd(); + + ~mbd2pmd(); + + /** Initialize the digital pins and PWM + * + */ + void init(); + + /** mbd2pmd resources SD card, mux, digital IO + */ + SDFileSystem sd; + MAX14661 mux; + DigitalInOut pa1; + DigitalInOut pa2; + DigitalInOut pa3; + DigitalInOut pa4; + DigitalInOut pb1; + DigitalInOut pb2; + DigitalInOut pb3; + DigitalInOut pb4; + + /** Array of pointers to the DIO pins + */ + DigitalInOut *pmd[8]; + + /** LUT for multiplexer micro connections + */ + static const int mux_a[17]; + + /** LUT for multiplexer PMOD connections + */ + static const int mux_p[9]; + + /** Name the multiplexer connections + */ + enum MUXsignals { + PWM1 = MAX14661::SW01, /**< (1<<0) PWM */ + PWM2 = MAX14661::SW02, /**< (1<<1) PWM */ + SCL = MAX14661::SW03, /**< (1<<2) I2C Clock */ + SDA = MAX14661::SW04, /**< (1<<3) I2C Data */ + TD = MAX14661::SW05, /**< (1<<4) CAN Transmit */ + RD = MAX14661::SW06, /**< (1<<5) CAN Receive */ + TX = MAX14661::SW07, /**< (1<<6) UART Transmit */ + RX = MAX14661::SW08, /**< (1<<7) UART Receive */ + PA1 = MAX14661::SW09, /**< (1<<8) Pmd row A pin 1 */ + PB1 = MAX14661::SW10, /**< (1<<9) Pmd row B pin 1 */ + PA2 = MAX14661::SW11, /**< (1<<10) Pmd row A pin 2 */ + PB2 = MAX14661::SW12, /**< (1<<11) Pmd row B pin 2 */ + PA3 = MAX14661::SW13, /**< (1<<12) Pmd row A pin 3 */ + PB3 = MAX14661::SW14, /**< (1<<13) Pmd row B pin 3 */ + PA4 = MAX14661::SW15, /**< (1<<14) Pmd row A pin 4 */ + PB4 = MAX14661::SW16 /**< (1<<15) Pmd row B pin 4 */ + }; + +}; + +#endif \ No newline at end of file