Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Communication/RS485/RS485.cpp@21:e3b58d675c1c, 2019-09-09 (annotated)
- Committer:
- M_souta
- Date:
- Mon Sep 09 00:19:28 2019 +0000
- Revision:
- 21:e3b58d675c1c
- Parent:
- 20:eae8c84f318c
- Child:
- 22:7d93f79a3686
u
Who changed what in which revision?
| User | Revision | Line number | New contents of line | 
|---|---|---|---|
| t_yamamoto | 0:669ef71cba68 | 1 | #include "RS485.h" | 
| t_yamamoto | 0:669ef71cba68 | 2 | #include "mbed.h" | 
| t_yamamoto | 0:669ef71cba68 | 3 | #include "ActuatorHub/ActuatorHub.h" | 
| M_souta | 21:e3b58d675c1c | 4 | #include "LineHub/LineHub.h" | 
| t_yamamoto | 0:669ef71cba68 | 5 | #include "../../LED/LED.h" | 
| t_yamamoto | 0:669ef71cba68 | 6 | #include "../../System/Using.h" | 
| t_yamamoto | 0:669ef71cba68 | 7 | |
| t_yamamoto | 0:669ef71cba68 | 8 | namespace RS485 { | 
| M_souta | 21:e3b58d675c1c | 9 | |
| M_souta | 20:eae8c84f318c | 10 | DigitalOut selectBitT(SELECTBIT_T_PIN); | 
| M_souta | 21:e3b58d675c1c | 11 | // DigitalOut selectBitR(SELECTBIT_R_PIN); | 
| t_yamamoto | 0:669ef71cba68 | 12 | Serial RS485Uart(RS485UART_TX, RS485UART_RX); | 
| M_souta | 20:eae8c84f318c | 13 | Serial RS485Line(RS485LINE_TX, RS485LINE_RX); | 
| M_souta | 21:e3b58d675c1c | 14 | |
| M_souta | 21:e3b58d675c1c | 15 | bool readFase = 0; | 
| M_souta | 21:e3b58d675c1c | 16 | char buffer[RS485_BUFFER_LINE] = {0}; | 
| t_yamamoto | 0:669ef71cba68 | 17 | |
| t_yamamoto | 0:669ef71cba68 | 18 | void Transmit(); | 
| M_souta | 20:eae8c84f318c | 19 | void Recieve(); | 
| t_yamamoto | 0:669ef71cba68 | 20 | |
| t_yamamoto | 0:669ef71cba68 | 21 | void RS485::Initialize() { | 
| M_souta | 20:eae8c84f318c | 22 | selectBitT = 1; //送信固定 | 
| M_souta | 21:e3b58d675c1c | 23 | // selectBitR = 0; //受信固定 | 
| t_yamamoto | 0:669ef71cba68 | 24 | RS485Uart.baud(38400); | 
| M_souta | 20:eae8c84f318c | 25 | RS485Uart.attach(Transmit, Serial::TxIrq); //送信割り込み | 
| M_souta | 21:e3b58d675c1c | 26 | RS485Line.baud(9600); | 
| M_souta | 20:eae8c84f318c | 27 | RS485Line.attach(Recieve, Serial::RxIrq); //受信割り込み | 
| t_yamamoto | 0:669ef71cba68 | 28 | } | 
| t_yamamoto | 0:669ef71cba68 | 29 | |
| t_yamamoto | 0:669ef71cba68 | 30 | void Transmit() { | 
| M_souta | 21:e3b58d675c1c | 31 | // __disable_irq(); | 
| t_yamamoto | 0:669ef71cba68 | 32 | static uint8_t count = 0; | 
| t_yamamoto | 0:669ef71cba68 | 33 | RS485Uart.putc(RS485SendBuffer.GetData()); | 
| t_yamamoto | 0:669ef71cba68 | 34 | if(count >= 200) { | 
| t_yamamoto | 0:669ef71cba68 | 35 | #ifdef USE_MOTOR | 
| t_yamamoto | 0:669ef71cba68 | 36 | LED_DEBUG2 = !LED_DEBUG2; | 
| t_yamamoto | 0:669ef71cba68 | 37 | #endif | 
| t_yamamoto | 0:669ef71cba68 | 38 | |
| t_yamamoto | 0:669ef71cba68 | 39 | count = 0; | 
| t_yamamoto | 0:669ef71cba68 | 40 | } else count++; | 
| t_yamamoto | 0:669ef71cba68 | 41 | __enable_irq(); | 
| t_yamamoto | 0:669ef71cba68 | 42 | } | 
| M_souta | 20:eae8c84f318c | 43 | |
| M_souta | 20:eae8c84f318c | 44 | void Recieve() { | 
| M_souta | 21:e3b58d675c1c | 45 | __disable_irq(); | 
| M_souta | 21:e3b58d675c1c | 46 | static uint8_t time = 0; | 
| M_souta | 20:eae8c84f318c | 47 | static uint8_t count = 0; | 
| M_souta | 20:eae8c84f318c | 48 | char data = RS485Line.getc(); | 
| M_souta | 21:e3b58d675c1c | 49 | if (data == 'S') { | 
| M_souta | 21:e3b58d675c1c | 50 | readFase = true; | 
| M_souta | 21:e3b58d675c1c | 51 | time = 0; | 
| M_souta | 21:e3b58d675c1c | 52 | } else if(data == 'F') { | 
| M_souta | 21:e3b58d675c1c | 53 | readFase = false; | 
| M_souta | 21:e3b58d675c1c | 54 | for(int i = 0; i < 8; i++) { | 
| M_souta | 21:e3b58d675c1c | 55 | lineData[i] = buffer[i]; | 
| M_souta | 21:e3b58d675c1c | 56 | } | 
| M_souta | 21:e3b58d675c1c | 57 | time = 0; | 
| M_souta | 21:e3b58d675c1c | 58 | } else if(readFase) { | 
| M_souta | 21:e3b58d675c1c | 59 | RS485LineBuffer.PutData(data); | 
| M_souta | 21:e3b58d675c1c | 60 | buffer[time] = data; | 
| M_souta | 21:e3b58d675c1c | 61 | time++; | 
| M_souta | 21:e3b58d675c1c | 62 | } else { | 
| M_souta | 21:e3b58d675c1c | 63 | readFase = false; | 
| M_souta | 21:e3b58d675c1c | 64 | time = 0; | 
| M_souta | 21:e3b58d675c1c | 65 | } | 
| M_souta | 20:eae8c84f318c | 66 | if(count >= 200) { | 
| M_souta | 20:eae8c84f318c | 67 | LED_DEBUG1 = !LED_DEBUG1; | 
| M_souta | 20:eae8c84f318c | 68 | count = 0; | 
| M_souta | 20:eae8c84f318c | 69 | } else count++; | 
| M_souta | 20:eae8c84f318c | 70 | __enable_irq(); | 
| M_souta | 20:eae8c84f318c | 71 | } | 
| M_souta | 21:e3b58d675c1c | 72 | } |