APS Lab / Mbed OS STM32F4_SmartMesh_QSL

SmartMesh QSL for STM32F4 version

Fork of COG-AD4050_QSL by APS Lab

dn_uart.cpp@1:b909b8399252, 2018-07-12 (annotated)

Committer:
APS_Lab
Date:
Thu Jul 12 09:19:12 2018 +0000
Revision:
1:b909b8399252
Parent:
0:8ca1e814a851 
SmartMesh for STM32F4 version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
APS_Lab 0:8ca1e814a851 1 /*
APS_Lab 0:8ca1e814a851 2 Copyright (c) 2016, Dust Networks. All rights reserved.
APS_Lab 0:8ca1e814a851 3
APS_Lab 0:8ca1e814a851 4 Port of the uart module to the NUCLEO-L053R8.
APS_Lab 0:8ca1e814a851 5
APS_Lab 0:8ca1e814a851 6 \license See attached DN_LICENSE.txt.
APS_Lab 0:8ca1e814a851 7 */
APS_Lab 0:8ca1e814a851 8
APS_Lab 0:8ca1e814a851 9 #include "dn_uart.h"
APS_Lab 0:8ca1e814a851 10 #include "dn_ipmt.h"
APS_Lab 0:8ca1e814a851 11 #include "dn_debug.h"
APS_Lab 0:8ca1e814a851 12 #include "mbed.h"
APS_Lab 0:8ca1e814a851 13
APS_Lab 0:8ca1e814a851 14
APS_Lab 0:8ca1e814a851 15 //=========================== defines =========================================
APS_Lab 0:8ca1e814a851 16
APS_Lab 1:b909b8399252 17 // Set correct pins for external UART on your board (USART1 for NUCLEO-F411)
APS_Lab 1:b909b8399252 18 #define UART_MOTE_TX PA_9
APS_Lab 1:b909b8399252 19 #define UART_MOTE_RX PA_10
APS_Lab 0:8ca1e814a851 20
APS_Lab 0:8ca1e814a851 21
APS_Lab 0:8ca1e814a851 22 //=========================== variables =======================================
APS_Lab 0:8ca1e814a851 23
APS_Lab 0:8ca1e814a851 24 typedef struct {
APS_Lab 0:8ca1e814a851 25 dn_uart_rxByte_cbt ipmt_uart_rxByte_cb;
APS_Lab 0:8ca1e814a851 26 } dn_uart_vars_t;
APS_Lab 0:8ca1e814a851 27
APS_Lab 0:8ca1e814a851 28 static dn_uart_vars_t dn_uart_vars;
APS_Lab 0:8ca1e814a851 29 static Serial serialMote(UART_MOTE_TX, UART_MOTE_RX);
APS_Lab 0:8ca1e814a851 30
APS_Lab 0:8ca1e814a851 31
APS_Lab 0:8ca1e814a851 32 //=========================== prototypes ======================================
APS_Lab 0:8ca1e814a851 33
APS_Lab 0:8ca1e814a851 34 void moteRXinterrupt(void);
APS_Lab 0:8ca1e814a851 35
APS_Lab 0:8ca1e814a851 36 //=========================== public ==========================================
APS_Lab 0:8ca1e814a851 37
APS_Lab 0:8ca1e814a851 38 void dn_uart_init(dn_uart_rxByte_cbt rxByte_cb)
APS_Lab 0:8ca1e814a851 39 {
APS_Lab 0:8ca1e814a851 40 // Store RX callback function
APS_Lab 0:8ca1e814a851 41 dn_uart_vars.ipmt_uart_rxByte_cb = rxByte_cb;
APS_Lab 0:8ca1e814a851 42
APS_Lab 0:8ca1e814a851 43 /* Default configuration for Serial:
APS_Lab 0:8ca1e814a851 44 - 8 bit character size
APS_Lab 0:8ca1e814a851 45 - No Parity
APS_Lab 0:8ca1e814a851 46 - 1 bit stop bit
APS_Lab 0:8ca1e814a851 47 - No flow control
APS_Lab 0:8ca1e814a851 48 - 9600 baudrate
APS_Lab 0:8ca1e814a851 49 Hence, we only need to change the baudrate */
APS_Lab 0:8ca1e814a851 50 serialMote.baud(115200);
APS_Lab 0:8ca1e814a851 51
APS_Lab 0:8ca1e814a851 52 // Attach RX interrupt handler
APS_Lab 0:8ca1e814a851 53 serialMote.attach(&moteRXinterrupt, Serial::RxIrq);
APS_Lab 0:8ca1e814a851 54
APS_Lab 0:8ca1e814a851 55 //debug("SMIP Serial Initialized");
APS_Lab 0:8ca1e814a851 56 }
APS_Lab 0:8ca1e814a851 57
APS_Lab 0:8ca1e814a851 58 void dn_uart_txByte(uint8_t byte)
APS_Lab 0:8ca1e814a851 59 {
APS_Lab 0:8ca1e814a851 60 serialMote.putc(byte);
APS_Lab 0:8ca1e814a851 61 }
APS_Lab 0:8ca1e814a851 62
APS_Lab 0:8ca1e814a851 63 void dn_uart_txFlush()
APS_Lab 0:8ca1e814a851 64 {
APS_Lab 0:8ca1e814a851 65 // Nothing to do since we push byte-by-byte
APS_Lab 0:8ca1e814a851 66 }
APS_Lab 0:8ca1e814a851 67
APS_Lab 0:8ca1e814a851 68 //=========================== private =========================================
APS_Lab 0:8ca1e814a851 69
APS_Lab 0:8ca1e814a851 70 //=========================== helpers =========================================
APS_Lab 0:8ca1e814a851 71
APS_Lab 0:8ca1e814a851 72 //=========================== interrupt handlers ==============================
APS_Lab 0:8ca1e814a851 73
APS_Lab 0:8ca1e814a851 74 void moteRXinterrupt(void)
APS_Lab 0:8ca1e814a851 75 {
APS_Lab 0:8ca1e814a851 76 while (serialMote.readable())
APS_Lab 0:8ca1e814a851 77 {
APS_Lab 0:8ca1e814a851 78 dn_uart_vars.ipmt_uart_rxByte_cb(serialMote.getc());
APS_Lab 0:8ca1e814a851 79 }
APS_Lab 0:8ca1e814a851 80 }
APS_Lab 0:8ca1e814a851 81