JunMo Hong / Mbed 2 deprecated cubebite_rnd_SPSGRFC433

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Dependencies:   mbed

Fork of HelloWorld_IDS01A4 by ST

main.cpp@0:2ddc0583bcec, 2017-05-25 (annotated)

Committer:
rosarium
Date:
Thu May 25 16:38:55 2017 +0000
Revision:
0:2ddc0583bcec
Child:
1:cf2e2f85bf8d
First draft version of HelloWorld_IDS01A5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rosarium 0:2ddc0583bcec 1 /**
rosarium 0:2ddc0583bcec 2 ******************************************************************************
rosarium 0:2ddc0583bcec 3 * @file main.cpp
rosarium 0:2ddc0583bcec 4 * @author Rosarium PILA, STMicroelectronics
rosarium 0:2ddc0583bcec 5 * @version V1.0.0
rosarium 0:2ddc0583bcec 6 * @date May 17th, 2017
rosarium 0:2ddc0583bcec 7 * @brief mbed HelloWorld P2P example for the STMicroelectronics X-NUCLEO-IDB01A4/5
rosarium 0:2ddc0583bcec 8 * Spirit1 Expansion Board
rosarium 0:2ddc0583bcec 9 ******************************************************************************
rosarium 0:2ddc0583bcec 10 * @attention
rosarium 0:2ddc0583bcec 11 *
rosarium 0:2ddc0583bcec 12 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
rosarium 0:2ddc0583bcec 13 *
rosarium 0:2ddc0583bcec 14 * Redistribution and use in source and binary forms, with or without modification,
rosarium 0:2ddc0583bcec 15 * are permitted provided that the following conditions are met:
rosarium 0:2ddc0583bcec 16 * 1. Redistributions of source code must retain the above copyright notice,
rosarium 0:2ddc0583bcec 17 * this list of conditions and the following disclaimer.
rosarium 0:2ddc0583bcec 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
rosarium 0:2ddc0583bcec 19 * this list of conditions and the following disclaimer in the documentation
rosarium 0:2ddc0583bcec 20 * and/or other materials provided with the distribution.
rosarium 0:2ddc0583bcec 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
rosarium 0:2ddc0583bcec 22 * may be used to endorse or promote products derived from this software
rosarium 0:2ddc0583bcec 23 * without specific prior written permission.
rosarium 0:2ddc0583bcec 24 *
rosarium 0:2ddc0583bcec 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
rosarium 0:2ddc0583bcec 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
rosarium 0:2ddc0583bcec 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
rosarium 0:2ddc0583bcec 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
rosarium 0:2ddc0583bcec 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
rosarium 0:2ddc0583bcec 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
rosarium 0:2ddc0583bcec 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
rosarium 0:2ddc0583bcec 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
rosarium 0:2ddc0583bcec 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
rosarium 0:2ddc0583bcec 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
rosarium 0:2ddc0583bcec 35 *
rosarium 0:2ddc0583bcec 36 ******************************************************************************
rosarium 0:2ddc0583bcec 37 */
rosarium 0:2ddc0583bcec 38
rosarium 0:2ddc0583bcec 39 #include "mbed.h"
rosarium 0:2ddc0583bcec 40 #include "SimpleSpirit1.h"
rosarium 0:2ddc0583bcec 41
rosarium 0:2ddc0583bcec 42 #define TEST_STR_LEN (32) //512
rosarium 0:2ddc0583bcec 43 static uint8_t send_buf[TEST_STR_LEN] ={'S','P','I','R','I','T','1',' ','H','E','L','L','O',' ','W','O','R','L','D',' ','P','2','P',' ','D','E','M','O'};
rosarium 0:2ddc0583bcec 44 static uint8_t read_buf[TEST_STR_LEN] ={'0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0','0'};
rosarium 0:2ddc0583bcec 45
rosarium 0:2ddc0583bcec 46 #define PCKT_MARGIN (2) //32
rosarium 0:2ddc0583bcec 47
rosarium 0:2ddc0583bcec 48 //#define SIGNAL_BIT (0x1) //RPi //Removed OS dependency for mbed classic
rosarium 0:2ddc0583bcec 49 //static osThreadId main_thread_id; //RPi //Removed OS dependency for mbed classic
rosarium 0:2ddc0583bcec 50
rosarium 0:2ddc0583bcec 51
rosarium 0:2ddc0583bcec 52 static SimpleSpirit1 &myspirit = SimpleSpirit1::CreateInstance(D11, D12, D3, D9, D10, D2); //RPi
rosarium 0:2ddc0583bcec 53 bool SIGNAL_BIT = 0; //RPi
rosarium 0:2ddc0583bcec 54 static int curr_len = 0;
rosarium 0:2ddc0583bcec 55 unsigned char myValue = 0;
rosarium 0:2ddc0583bcec 56
rosarium 0:2ddc0583bcec 57 InterruptIn event(USER_BUTTON); //RPi //Added interrupt event to give userinterface to send pkt.
rosarium 0:2ddc0583bcec 58
rosarium 0:2ddc0583bcec 59 static void callback_func(int event)
rosarium 0:2ddc0583bcec 60 {
rosarium 0:2ddc0583bcec 61 if(event == SimpleSpirit1::RX_DONE) {
rosarium 0:2ddc0583bcec 62 // osSignalSet(main_thread_id, SIGNAL_BIT); //RPi //Removed OS dependency for mbed classic
rosarium 0:2ddc0583bcec 63 SIGNAL_BIT = 1;
rosarium 0:2ddc0583bcec 64 } else if (event != SimpleSpirit1::TX_DONE) {
rosarium 0:2ddc0583bcec 65 printf("Got unexpected event %d\r\n", event);
rosarium 0:2ddc0583bcec 66 } else {
rosarium 0:2ddc0583bcec 67 printf("TX done!\n\r\n");
rosarium 0:2ddc0583bcec 68 }
rosarium 0:2ddc0583bcec 69 }
rosarium 0:2ddc0583bcec 70
rosarium 0:2ddc0583bcec 71 void send_data(void)
rosarium 0:2ddc0583bcec 72 {
rosarium 0:2ddc0583bcec 73 int cnt = 0;
rosarium 0:2ddc0583bcec 74 cnt++;
rosarium 0:2ddc0583bcec 75 if(cnt >= MAX_PACKET_LEN) cnt = 0;
rosarium 0:2ddc0583bcec 76
rosarium 0:2ddc0583bcec 77 printf("\r\n***Sending a packet***\r\nSent string ='%s' (len=%d)\n\r", send_buf, strlen((const char*)send_buf) + 1);
rosarium 0:2ddc0583bcec 78
rosarium 0:2ddc0583bcec 79 uint32_t before_cca = us_ticker_read();
rosarium 0:2ddc0583bcec 80 while(myspirit.is_receiving()); // wait for ongoing RX ends
rosarium 0:2ddc0583bcec 81 uint32_t after_cca = us_ticker_read();
rosarium 0:2ddc0583bcec 82
rosarium 0:2ddc0583bcec 83 curr_len = strlen((const char*)send_buf) + 1;
rosarium 0:2ddc0583bcec 84 myspirit.send(send_buf, curr_len);
rosarium 0:2ddc0583bcec 85 uint32_t after_send = us_ticker_read();
rosarium 0:2ddc0583bcec 86
rosarium 0:2ddc0583bcec 87 printf("CCA time: %uus\n", (unsigned int)(after_cca - before_cca));
rosarium 0:2ddc0583bcec 88 printf("Send time: %uus\n\r", (unsigned int)(after_send - after_cca));
rosarium 0:2ddc0583bcec 89 }
rosarium 0:2ddc0583bcec 90
rosarium 0:2ddc0583bcec 91 int main()
rosarium 0:2ddc0583bcec 92 {
rosarium 0:2ddc0583bcec 93 // osStatus ret; //RPi //Removed OS dependency for mbed classic
rosarium 0:2ddc0583bcec 94
rosarium 0:2ddc0583bcec 95 unsigned int pckts_fails = 0;
rosarium 0:2ddc0583bcec 96 unsigned int first_failed_packet = 0;
rosarium 0:2ddc0583bcec 97 unsigned int last_failed_packet = 0;
rosarium 0:2ddc0583bcec 98 int validate_cnt = -1;
rosarium 0:2ddc0583bcec 99
rosarium 0:2ddc0583bcec 100 // main_thread_id = Thread::gettid(); //RPi //Removed OS dependency for mbed classic
rosarium 0:2ddc0583bcec 101
rosarium 0:2ddc0583bcec 102
rosarium 0:2ddc0583bcec 103 DigitalOut TestLED = D5; //RPi //LED of IDS01A4/5
rosarium 0:2ddc0583bcec 104 TestLED = 0; //RPi //LED off
rosarium 0:2ddc0583bcec 105
rosarium 0:2ddc0583bcec 106 myspirit.attach_irq_callback(callback_func);
rosarium 0:2ddc0583bcec 107
rosarium 0:2ddc0583bcec 108 myspirit.on();
rosarium 0:2ddc0583bcec 109
rosarium 0:2ddc0583bcec 110 printf("\n**************HelloWorld mbed demo for Spirit1 (X-NUCLEO-IDS01A4/5)**************\r\n");
rosarium 0:2ddc0583bcec 111 printf("\nPress User Button on one of the two boards to send a packaet to the other and the LED D1 on the receiver X-NUCLEO-IDS01A4/5 should toggle \n\r\n");
rosarium 0:2ddc0583bcec 112
rosarium 0:2ddc0583bcec 113 while(1)
rosarium 0:2ddc0583bcec 114 {
rosarium 0:2ddc0583bcec 115
rosarium 0:2ddc0583bcec 116 event.rise(&send_data); //RPi // Added User button interrupt trigger to send data
rosarium 0:2ddc0583bcec 117
rosarium 0:2ddc0583bcec 118 if(SIGNAL_BIT) //RPi //Data pkt received
rosarium 0:2ddc0583bcec 119 {
rosarium 0:2ddc0583bcec 120 SIGNAL_BIT = 0;
rosarium 0:2ddc0583bcec 121
rosarium 0:2ddc0583bcec 122 for(unsigned int flush_count = 0; flush_count < TEST_STR_LEN; flush_count++) read_buf[flush_count] = 0 ;//RPi//clear the read buffer
rosarium 0:2ddc0583bcec 123
rosarium 0:2ddc0583bcec 124 int ret = myspirit.read(read_buf, sizeof(read_buf));
rosarium 0:2ddc0583bcec 125
rosarium 0:2ddc0583bcec 126 myValue = 1 - myValue; //RPi //Toggle LED at the receiver
rosarium 0:2ddc0583bcec 127 TestLED = myValue; //RPi //Toggle LED at the receiver
rosarium 0:2ddc0583bcec 128
rosarium 0:2ddc0583bcec 129 if(ret == 0) {
rosarium 0:2ddc0583bcec 130 printf("\nNothing to read\n\r");
rosarium 0:2ddc0583bcec 131 continue;
rosarium 0:2ddc0583bcec 132 }
rosarium 0:2ddc0583bcec 133 int len = strlen((const char*)read_buf) + 1;
rosarium 0:2ddc0583bcec 134 if(validate_cnt < 0) {
rosarium 0:2ddc0583bcec 135 validate_cnt = ret;
rosarium 0:2ddc0583bcec 136 } else {
rosarium 0:2ddc0583bcec 137 validate_cnt++;
rosarium 0:2ddc0583bcec 138 if(validate_cnt > MAX_PACKET_LEN) validate_cnt = 1;
rosarium 0:2ddc0583bcec 139 }
rosarium 0:2ddc0583bcec 140
rosarium 0:2ddc0583bcec 141 if(ret != len) {
rosarium 0:2ddc0583bcec 142 pckts_fails++;
rosarium 0:2ddc0583bcec 143 if((ret > (int)(first_failed_packet + PCKT_MARGIN) || (ret < (int)(first_failed_packet - PCKT_MARGIN)))) {
rosarium 0:2ddc0583bcec 144 first_failed_packet = ret;
rosarium 0:2ddc0583bcec 145 }
rosarium 0:2ddc0583bcec 146 last_failed_packet = ret;
rosarium 0:2ddc0583bcec 147 }
rosarium 0:2ddc0583bcec 148
rosarium 0:2ddc0583bcec 149 printf("\r\n***Received a packet***\r\n\rReceived string = '%s' (len=%d) \n\r", read_buf, ret);
rosarium 0:2ddc0583bcec 150 printf("RSSI: %f, LQI: %u\r\n", myspirit.get_last_rssi_dbm(), (unsigned int)myspirit.get_last_sqi());
rosarium 0:2ddc0583bcec 151 printf("Packets failed:\t%d\t(ff=%d, lf=%d)\r\n", pckts_fails, first_failed_packet, last_failed_packet);
rosarium 0:2ddc0583bcec 152
rosarium 0:2ddc0583bcec 153 while(myspirit.is_receiving()); // wait for ongoing RX ends
rosarium 0:2ddc0583bcec 154 }
rosarium 0:2ddc0583bcec 155 }
rosarium 0:2ddc0583bcec 156
rosarium 0:2ddc0583bcec 157 myspirit.off();
rosarium 0:2ddc0583bcec 158
rosarium 0:2ddc0583bcec 159 return 0;
rosarium 0:2ddc0583bcec 160 }
rosarium 0:2ddc0583bcec 161
rosarium 0:2ddc0583bcec 162
rosarium 0:2ddc0583bcec 163