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Add MSTP port to nucleof429zi using DFR0259 RS485 shield (#136)

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Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
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Steve Karg
2020-10-30 11:53:57 -05:00
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ports/stm32f4xx/README.md
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### BACnet MS/TP on NUCLEO-F429ZI STM32 Platform
The NUCLEO-F429ZI platform includes the following peripherals:
1) USB ST-Link
2) Ethernet
3) Arduino Uno V3 compatible RS485 shield (DFR0259)
### NUCLEO-F429ZI Arduino Uno V3 Pin Mapping
| NUCLEO | STM32F4xx | Arduino | RS485 DFR0259
|:---------|:------------|:------------|:------------
| CN8-1 | NC | NC |
| CN8-3 | IOREF | IOREF |
| CN8-5 | RESET | RESET | RST BUTTON
| CN8-7 | +3V3 | +3V3 |
| CN8-9 | +5V | +5V | +5V
| CN8-11 | GND | GND | GND
| CN8-13 | GND | GND | GND
| CN8-15 | VIN | VIN |
| | | |
| CN9-1 | PA3 | A0 |
| CN9-3 | PC0 | A1 |
| CN9-5 | PC3 | A2 |
| CN9-7 | PF3 | A3 |
| CN9-9 | PF5 | A4 |
| CN9-11 | PF10 | A5 |
| CN9-13 | NC | D72 |
| CN9-15 | PA7 | D71 |
| CN9-17 | PF2 | D70 |
| CN9-19 | PF1 | D69 |
| CN9-21 | PF0 | D68 |
| CN9-23 | GND | GND |
| CN9-25 | PD0 | D67 |
| CN9-27 | PD1 | D66 |
| CN9-29 | PG0 | D65 |
| | | |
| CN7-2 | PB8 | D15 |
| CN7-4 | PB9 | D14 |
| CN7-6 | AVDD | AVDD |
| CN7-8 | GND | GND |
| CN7-10 | PA5 | D13 | LED-L ANODE (+) (DFR0259)
| CN7-12 | PA6 | D12 |
| CN7-14 | PA7 | D11 |
| CN7-16 | PD14 | D10 |
| CN7-18 | PD15 | D9 | CE (LINKSPRITE V2.1)
| CN7-20 | PF12 | D8 |
| | | |
| CN10-2 | PF13 | D7 |
| CN10-4 | PE9 | D6 |
| CN10-6 | PE11 | D5 |
| CN10-8 | PF14 | D4 |
| CN10-10 | PE13 | D3 |
| CN10-12 | PF15 | D2 | CE (DFR0259)
| CN10-14 | PG14 | D1 | TXD
| CN10-16 | PG9 | D0 | RXD