JunMo Hong / Mbed 2 deprecated cubebite_rnd_SPSGRFC433

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Dependencies:   mbed

Fork of HelloWorld_IDS01A4 by ST

main.cpp@4:cae1fa054b86, 2017-06-19 (annotated)

Committer:
rosarium
Date:
Mon Jun 19 10:25:09 2017 +0000
Revision:
4:cae1fa054b86
Parent:
3:29bbb772ee62
Child:
5:a65ed26b0f98
updated main.cpp with new flag for sending data

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 3:29bbb772ee62 6 * @date June 19th, 2017
rosarium 4:cae1fa054b86 7 * @brief mbed test application 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 1:cf2e2f85bf8d 42 #define TEST_STR_LEN (32)
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 1:cf2e2f85bf8d 45
rosarium 4:cae1fa054b86 46 static SimpleSpirit1 &myspirit = SimpleSpirit1::CreateInstance(D11, D12, D3, D9, D10, D2); /* (SPI_CLK) = (D13:PA5:resistorR7 --> D3:PB3:resistorR4)*/
rosarium 0:2ddc0583bcec 47
rosarium 1:cf2e2f85bf8d 48 volatile bool rx_done_flag = 0;
rosarium 1:cf2e2f85bf8d 49 volatile bool tx_done_flag = 0;
rosarium 4:cae1fa054b86 50 volatile bool send_data_flag = 0;
rosarium 0:2ddc0583bcec 51
rosarium 0:2ddc0583bcec 52 static int curr_len = 0;
rosarium 0:2ddc0583bcec 53
rosarium 4:cae1fa054b86 54 DigitalOut TestLED = D5; /* LED of IDS01A4/5 */
rosarium 4:cae1fa054b86 55 unsigned char led_toggle = 0;
rosarium 4:cae1fa054b86 56
rosarium 4:cae1fa054b86 57 InterruptIn event(USER_BUTTON); /* Interrupt event to give userinterface to send pkt. */
rosarium 0:2ddc0583bcec 58
rosarium 1:cf2e2f85bf8d 59 /**
rosarium 1:cf2e2f85bf8d 60 * @brief callback_func
rosarium 1:cf2e2f85bf8d 61 * @param callback event
rosarium 1:cf2e2f85bf8d 62 * @retval None.
rosarium 1:cf2e2f85bf8d 63 */
rosarium 0:2ddc0583bcec 64 static void callback_func(int event)
rosarium 0:2ddc0583bcec 65 {
rosarium 1:cf2e2f85bf8d 66 if(event == SimpleSpirit1::RX_DONE)
rosarium 1:cf2e2f85bf8d 67 {
rosarium 1:cf2e2f85bf8d 68 rx_done_flag = 1;
rosarium 1:cf2e2f85bf8d 69 }
rosarium 1:cf2e2f85bf8d 70 else if (event == SimpleSpirit1::TX_DONE)
rosarium 1:cf2e2f85bf8d 71 {
rosarium 1:cf2e2f85bf8d 72 tx_done_flag = 1;
rosarium 1:cf2e2f85bf8d 73 }
rosarium 0:2ddc0583bcec 74 }
rosarium 0:2ddc0583bcec 75
rosarium 4:cae1fa054b86 76 /**
rosarium 4:cae1fa054b86 77 * @brief set_send_data_flag
rosarium 4:cae1fa054b86 78 * @param None
rosarium 4:cae1fa054b86 79 * @retval None
rosarium 4:cae1fa054b86 80 */
rosarium 4:cae1fa054b86 81 void set_send_data_flag(void)
rosarium 4:cae1fa054b86 82 {
rosarium 4:cae1fa054b86 83 send_data_flag = 1 ;
rosarium 4:cae1fa054b86 84 }
rosarium 1:cf2e2f85bf8d 85
rosarium 1:cf2e2f85bf8d 86 /**
rosarium 1:cf2e2f85bf8d 87 * @brief send_data
rosarium 1:cf2e2f85bf8d 88 * @param None
rosarium 1:cf2e2f85bf8d 89 * @retval None
rosarium 1:cf2e2f85bf8d 90 */
rosarium 0:2ddc0583bcec 91 void send_data(void)
rosarium 1:cf2e2f85bf8d 92 {
rosarium 1:cf2e2f85bf8d 93 printf("\r\n***Sending a packet***\r\n");
rosarium 0:2ddc0583bcec 94
rosarium 4:cae1fa054b86 95 while(myspirit.is_receiving()); /* wait for ongoing RX ends */
rosarium 1:cf2e2f85bf8d 96
rosarium 0:2ddc0583bcec 97 curr_len = strlen((const char*)send_buf) + 1;
rosarium 0:2ddc0583bcec 98 myspirit.send(send_buf, curr_len);
rosarium 0:2ddc0583bcec 99 }
rosarium 4:cae1fa054b86 100
rosarium 4:cae1fa054b86 101 /**
rosarium 4:cae1fa054b86 102 * @brief read_rcvd_data
rosarium 4:cae1fa054b86 103 * @param None
rosarium 4:cae1fa054b86 104 * @retval None
rosarium 4:cae1fa054b86 105 */
rosarium 4:cae1fa054b86 106 void read_rcvd_data(void)
rosarium 4:cae1fa054b86 107 {
rosarium 4:cae1fa054b86 108
rosarium 4:cae1fa054b86 109 for(unsigned int flush_count = 0; flush_count < TEST_STR_LEN; flush_count++) read_buf[flush_count] = 0 ;/* clear the read buffer */
rosarium 4:cae1fa054b86 110
rosarium 4:cae1fa054b86 111 int ret = myspirit.read(read_buf, sizeof(read_buf));
rosarium 4:cae1fa054b86 112
rosarium 4:cae1fa054b86 113 led_toggle = 1 - led_toggle;
rosarium 4:cae1fa054b86 114 TestLED = led_toggle; /* Toggle LED at the receiver */
rosarium 4:cae1fa054b86 115
rosarium 4:cae1fa054b86 116 if(ret == 0)
rosarium 4:cae1fa054b86 117 {
rosarium 4:cae1fa054b86 118 printf("\nNothing to read\n\r");
rosarium 4:cae1fa054b86 119 return;
rosarium 4:cae1fa054b86 120 }
rosarium 4:cae1fa054b86 121 printf("\r\n***Received a packet***\r\n\rReceived string = '%s' (len=%d) \n\r", read_buf, ret);
rosarium 4:cae1fa054b86 122 }
rosarium 4:cae1fa054b86 123
rosarium 4:cae1fa054b86 124
rosarium 1:cf2e2f85bf8d 125 /**
rosarium 1:cf2e2f85bf8d 126 * @brief main routine
rosarium 1:cf2e2f85bf8d 127 * @param None
rosarium 1:cf2e2f85bf8d 128 * @retval int
rosarium 1:cf2e2f85bf8d 129 */
rosarium 0:2ddc0583bcec 130 int main()
rosarium 1:cf2e2f85bf8d 131 {
rosarium 4:cae1fa054b86 132 TestLED = 0; /* LED off */
rosarium 0:2ddc0583bcec 133
rosarium 0:2ddc0583bcec 134 myspirit.attach_irq_callback(callback_func);
rosarium 0:2ddc0583bcec 135
rosarium 0:2ddc0583bcec 136 myspirit.on();
rosarium 0:2ddc0583bcec 137
rosarium 0:2ddc0583bcec 138 printf("\n**************HelloWorld mbed demo for Spirit1 (X-NUCLEO-IDS01A4/5)**************\r\n");
rosarium 0:2ddc0583bcec 139 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 140
rosarium 4:cae1fa054b86 141 event.rise(&set_send_data_flag); /*User button interrupt trigger to set send data flag */
rosarium 1:cf2e2f85bf8d 142
rosarium 0:2ddc0583bcec 143 while(1)
rosarium 0:2ddc0583bcec 144 {
rosarium 4:cae1fa054b86 145 __WFE(); /* low power in idle condition., waiting for an event */
rosarium 0:2ddc0583bcec 146
rosarium 1:cf2e2f85bf8d 147 if(rx_done_flag)
rosarium 0:2ddc0583bcec 148 {
rosarium 1:cf2e2f85bf8d 149 rx_done_flag = 0;
rosarium 4:cae1fa054b86 150 read_rcvd_data();
rosarium 4:cae1fa054b86 151 }
rosarium 4:cae1fa054b86 152
rosarium 4:cae1fa054b86 153 else if (send_data_flag)
rosarium 4:cae1fa054b86 154 {
rosarium 4:cae1fa054b86 155 send_data_flag = 0;
rosarium 4:cae1fa054b86 156 send_data();
rosarium 1:cf2e2f85bf8d 157 }
rosarium 1:cf2e2f85bf8d 158
rosarium 1:cf2e2f85bf8d 159 else if (tx_done_flag)
rosarium 1:cf2e2f85bf8d 160 {
rosarium 1:cf2e2f85bf8d 161 tx_done_flag = 0;
rosarium 4:cae1fa054b86 162 printf("\r\n***Packet sent ***\r\nSent string ='%s' (len=%d)\n\r", send_buf, strlen((const char*)send_buf) + 1);
rosarium 1:cf2e2f85bf8d 163 }
rosarium 0:2ddc0583bcec 164 }
rosarium 0:2ddc0583bcec 165
rosarium 0:2ddc0583bcec 166 myspirit.off();
rosarium 0:2ddc0583bcec 167
rosarium 0:2ddc0583bcec 168 return 0;
rosarium 0:2ddc0583bcec 169 }
rosarium 0:2ddc0583bcec 170
rosarium 0:2ddc0583bcec 171
rosarium 0:2ddc0583bcec 172