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TX part for SPIRIT1, P2P application.
main.cpp@1:4910fc32a71f, 2018-01-06 (annotated)
- Committer:
- emcu
- Date:
- Sat Jan 06 23:17:19 2018 +0000
- Revision:
- 1:4910fc32a71f
- Parent:
- 0:94f11a1db3fa
Improve anti-debounce
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
emcu | 0:94f11a1db3fa | 1 | /** |
emcu | 0:94f11a1db3fa | 2 | |
emcu | 0:94f11a1db3fa | 3 | TX TX TX |
emcu | 0:94f11a1db3fa | 4 | |
emcu | 0:94f11a1db3fa | 5 | Date: Jan 2018 |
emcu | 0:94f11a1db3fa | 6 | Version: 1.0 |
emcu | 0:94f11a1db3fa | 7 | More info are here: |
emcu | 0:94f11a1db3fa | 8 | http://www.emcu.eu/how-to-use-the-x-nucleo-ids01a4-spirit1-in-p2p-mode-ack-under-mbed/ |
emcu | 0:94f11a1db3fa | 9 | |
emcu | 0:94f11a1db3fa | 10 | |
emcu | 0:94f11a1db3fa | 11 | ****************************************************************************** |
emcu | 0:94f11a1db3fa | 12 | * @file main.cpp |
emcu | 0:94f11a1db3fa | 13 | * @author Rosarium PILA, STMicroelectronics |
emcu | 0:94f11a1db3fa | 14 | * @version V1.0.0 |
emcu | 0:94f11a1db3fa | 15 | * @date June 19th, 2017 |
emcu | 0:94f11a1db3fa | 16 | * @brief mbed test application for the STMicroelectronics X-NUCLEO-IDB01A4/5 |
emcu | 0:94f11a1db3fa | 17 | * Spirit1 Expansion Board |
emcu | 0:94f11a1db3fa | 18 | ****************************************************************************** |
emcu | 0:94f11a1db3fa | 19 | * @attention |
emcu | 0:94f11a1db3fa | 20 | * |
emcu | 0:94f11a1db3fa | 21 | * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
emcu | 0:94f11a1db3fa | 22 | * |
emcu | 0:94f11a1db3fa | 23 | * Redistribution and use in source and binary forms, with or without modification, |
emcu | 0:94f11a1db3fa | 24 | * are permitted provided that the following conditions are met: |
emcu | 0:94f11a1db3fa | 25 | * 1. Redistributions of source code must retain the above copyright notice, |
emcu | 0:94f11a1db3fa | 26 | * this list of conditions and the following disclaimer. |
emcu | 0:94f11a1db3fa | 27 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
emcu | 0:94f11a1db3fa | 28 | * this list of conditions and the following disclaimer in the documentation |
emcu | 0:94f11a1db3fa | 29 | * and/or other materials provided with the distribution. |
emcu | 0:94f11a1db3fa | 30 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
emcu | 0:94f11a1db3fa | 31 | * may be used to endorse or promote products derived from this software |
emcu | 0:94f11a1db3fa | 32 | * without specific prior written permission. |
emcu | 0:94f11a1db3fa | 33 | * |
emcu | 0:94f11a1db3fa | 34 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
emcu | 0:94f11a1db3fa | 35 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
emcu | 0:94f11a1db3fa | 36 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
emcu | 0:94f11a1db3fa | 37 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
emcu | 0:94f11a1db3fa | 38 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
emcu | 0:94f11a1db3fa | 39 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
emcu | 0:94f11a1db3fa | 40 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
emcu | 0:94f11a1db3fa | 41 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
emcu | 0:94f11a1db3fa | 42 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
emcu | 0:94f11a1db3fa | 43 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
emcu | 0:94f11a1db3fa | 44 | * |
emcu | 0:94f11a1db3fa | 45 | ****************************************************************************** |
emcu | 0:94f11a1db3fa | 46 | */ |
emcu | 0:94f11a1db3fa | 47 | |
emcu | 0:94f11a1db3fa | 48 | #include "mbed.h" |
emcu | 0:94f11a1db3fa | 49 | #include "SimpleSpirit1.h" |
emcu | 0:94f11a1db3fa | 50 | |
emcu | 0:94f11a1db3fa | 51 | #include <stdio.h> |
emcu | 0:94f11a1db3fa | 52 | #include <string.h> |
emcu | 0:94f11a1db3fa | 53 | |
emcu | 0:94f11a1db3fa | 54 | #define TEST_STR_LEN (32) |
emcu | 0:94f11a1db3fa | 55 | static char 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'}; |
emcu | 0:94f11a1db3fa | 56 | static char 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'}; |
emcu | 0:94f11a1db3fa | 57 | |
emcu | 0:94f11a1db3fa | 58 | static SimpleSpirit1 &myspirit = SimpleSpirit1::CreateInstance(D11, D12, D3, D9, D10, D2); /* (SPI_CLK) = (D13:PA5:resistorR7 --> D3:PB3:resistorR4)*/ |
emcu | 0:94f11a1db3fa | 59 | |
emcu | 0:94f11a1db3fa | 60 | static volatile bool rx_done_flag = false; |
emcu | 0:94f11a1db3fa | 61 | static volatile bool tx_done_flag = false; |
emcu | 0:94f11a1db3fa | 62 | static volatile bool send_data_flag = false; |
emcu | 0:94f11a1db3fa | 63 | |
emcu | 0:94f11a1db3fa | 64 | static DigitalOut TestLED(D5); /* LED of IDS01A4/5 */ |
emcu | 0:94f11a1db3fa | 65 | static InterruptIn event(USER_BUTTON); /* Interrupt event to give userinterface to send pkt. */ |
emcu | 0:94f11a1db3fa | 66 | |
emcu | 0:94f11a1db3fa | 67 | /** |
emcu | 0:94f11a1db3fa | 68 | * @brief callback_func |
emcu | 0:94f11a1db3fa | 69 | * @param callback event |
emcu | 0:94f11a1db3fa | 70 | * @retval None. |
emcu | 0:94f11a1db3fa | 71 | */ |
emcu | 0:94f11a1db3fa | 72 | static void callback_func(int event) |
emcu | 0:94f11a1db3fa | 73 | { |
emcu | 1:4910fc32a71f | 74 | // printf("\n\r\n\r Interrupt \n\r\n\r"); |
emcu | 1:4910fc32a71f | 75 | |
emcu | 0:94f11a1db3fa | 76 | if(event == SimpleSpirit1::RX_DONE) |
emcu | 0:94f11a1db3fa | 77 | { |
emcu | 0:94f11a1db3fa | 78 | rx_done_flag = 1; |
emcu | 0:94f11a1db3fa | 79 | } |
emcu | 0:94f11a1db3fa | 80 | else if (event == SimpleSpirit1::TX_DONE) |
emcu | 0:94f11a1db3fa | 81 | { |
emcu | 0:94f11a1db3fa | 82 | tx_done_flag = 1; |
emcu | 0:94f11a1db3fa | 83 | } |
emcu | 1:4910fc32a71f | 84 | wait_ms(60); // Anti debounce on Blue Button |
emcu | 0:94f11a1db3fa | 85 | } |
emcu | 0:94f11a1db3fa | 86 | |
emcu | 0:94f11a1db3fa | 87 | /** |
emcu | 0:94f11a1db3fa | 88 | * @brief set_send_data_flag |
emcu | 0:94f11a1db3fa | 89 | * @param None |
emcu | 0:94f11a1db3fa | 90 | * @retval None |
emcu | 0:94f11a1db3fa | 91 | */ |
emcu | 0:94f11a1db3fa | 92 | static void set_send_data_flag(void) |
emcu | 0:94f11a1db3fa | 93 | { |
emcu | 0:94f11a1db3fa | 94 | send_data_flag = 1 ; |
emcu | 0:94f11a1db3fa | 95 | } |
emcu | 0:94f11a1db3fa | 96 | |
emcu | 0:94f11a1db3fa | 97 | /** |
emcu | 0:94f11a1db3fa | 98 | * @brief send_data |
emcu | 0:94f11a1db3fa | 99 | * @param None |
emcu | 0:94f11a1db3fa | 100 | * @retval None |
emcu | 0:94f11a1db3fa | 101 | */ |
emcu | 0:94f11a1db3fa | 102 | static void send_data(void) |
emcu | 0:94f11a1db3fa | 103 | { |
emcu | 0:94f11a1db3fa | 104 | printf("\r\n***Sending a packet***"); |
emcu | 0:94f11a1db3fa | 105 | |
emcu | 0:94f11a1db3fa | 106 | while(myspirit.is_receiving()); /* wait for ongoing RX ends */ |
emcu | 0:94f11a1db3fa | 107 | |
emcu | 0:94f11a1db3fa | 108 | size_t curr_len = strlen((const char*)send_buf) + 1; |
emcu | 0:94f11a1db3fa | 109 | myspirit.send(send_buf, curr_len); |
emcu | 0:94f11a1db3fa | 110 | } |
emcu | 0:94f11a1db3fa | 111 | |
emcu | 0:94f11a1db3fa | 112 | /** |
emcu | 0:94f11a1db3fa | 113 | * @brief read_rcvd_data |
emcu | 0:94f11a1db3fa | 114 | * @param None |
emcu | 0:94f11a1db3fa | 115 | * @retval None |
emcu | 0:94f11a1db3fa | 116 | */ |
emcu | 0:94f11a1db3fa | 117 | static void read_rcvd_data(void) |
emcu | 0:94f11a1db3fa | 118 | { |
emcu | 0:94f11a1db3fa | 119 | |
emcu | 0:94f11a1db3fa | 120 | for(unsigned int flush_count = 0; flush_count < TEST_STR_LEN; flush_count++) read_buf[flush_count] = 0 ;/* clear the read buffer */ |
emcu | 0:94f11a1db3fa | 121 | |
emcu | 0:94f11a1db3fa | 122 | int ret = myspirit.read(read_buf, sizeof(read_buf)); |
emcu | 0:94f11a1db3fa | 123 | |
emcu | 0:94f11a1db3fa | 124 | // TestLED = !TestLED; /* Toggle LED at the receiver */ |
emcu | 0:94f11a1db3fa | 125 | |
emcu | 0:94f11a1db3fa | 126 | if(ret == 0) |
emcu | 0:94f11a1db3fa | 127 | { |
emcu | 0:94f11a1db3fa | 128 | printf("\nNothing to read\n\r"); |
emcu | 0:94f11a1db3fa | 129 | return; |
emcu | 0:94f11a1db3fa | 130 | } |
emcu | 0:94f11a1db3fa | 131 | printf("\r\n***Received a packet***\r\n\rReceived string = '%s' (len=%d) \n\r", read_buf, ret); |
emcu | 0:94f11a1db3fa | 132 | |
emcu | 0:94f11a1db3fa | 133 | wait_ms(100); |
emcu | 0:94f11a1db3fa | 134 | } |
emcu | 0:94f11a1db3fa | 135 | |
emcu | 0:94f11a1db3fa | 136 | |
emcu | 0:94f11a1db3fa | 137 | /** |
emcu | 0:94f11a1db3fa | 138 | * @brief main routine |
emcu | 0:94f11a1db3fa | 139 | * @param None |
emcu | 0:94f11a1db3fa | 140 | * @retval int |
emcu | 0:94f11a1db3fa | 141 | */ |
emcu | 0:94f11a1db3fa | 142 | int main() |
emcu | 0:94f11a1db3fa | 143 | { |
emcu | 0:94f11a1db3fa | 144 | TestLED = 0; /* LED off */ |
emcu | 0:94f11a1db3fa | 145 | |
emcu | 0:94f11a1db3fa | 146 | myspirit.attach_irq_callback(callback_func); |
emcu | 0:94f11a1db3fa | 147 | |
emcu | 0:94f11a1db3fa | 148 | myspirit.on(); |
emcu | 0:94f11a1db3fa | 149 | |
emcu | 0:94f11a1db3fa | 150 | printf("\n\r************** TX mode Spirit1 (X-NUCLEO-IDS01A4/5) ************** \r\n"); |
emcu | 0:94f11a1db3fa | 151 | printf("\nPress User Button on one of the TX kit and on the RX kit the LED D1 must toggle\n\r\n"); |
emcu | 0:94f11a1db3fa | 152 | |
emcu | 0:94f11a1db3fa | 153 | event.rise(&set_send_data_flag); /*User button interrupt trigger to set send data flag */ |
emcu | 0:94f11a1db3fa | 154 | |
emcu | 0:94f11a1db3fa | 155 | while(1) |
emcu | 0:94f11a1db3fa | 156 | { |
emcu | 0:94f11a1db3fa | 157 | __WFE(); /* low power in idle condition., waiting for an event */ |
emcu | 0:94f11a1db3fa | 158 | |
emcu | 0:94f11a1db3fa | 159 | if(rx_done_flag) |
emcu | 0:94f11a1db3fa | 160 | { |
emcu | 0:94f11a1db3fa | 161 | rx_done_flag = false; |
emcu | 0:94f11a1db3fa | 162 | read_rcvd_data(); |
emcu | 0:94f11a1db3fa | 163 | |
emcu | 0:94f11a1db3fa | 164 | // Test Test if the TX string and RX string are equals |
emcu | 0:94f11a1db3fa | 165 | if(strcmp(send_buf,read_buf) == 0) |
emcu | 0:94f11a1db3fa | 166 | { |
emcu | 0:94f11a1db3fa | 167 | printf("RxTx OK \n\r"); |
emcu | 0:94f11a1db3fa | 168 | TestLED = !TestLED; /* Toggle LED at the receiver */ |
emcu | 0:94f11a1db3fa | 169 | } |
emcu | 0:94f11a1db3fa | 170 | else |
emcu | 0:94f11a1db3fa | 171 | printf("RxTx FAIL \n\r"); |
emcu | 0:94f11a1db3fa | 172 | } |
emcu | 0:94f11a1db3fa | 173 | |
emcu | 0:94f11a1db3fa | 174 | else if (send_data_flag) |
emcu | 0:94f11a1db3fa | 175 | { |
emcu | 0:94f11a1db3fa | 176 | send_data_flag = false; |
emcu | 0:94f11a1db3fa | 177 | send_data(); |
emcu | 0:94f11a1db3fa | 178 | } |
emcu | 0:94f11a1db3fa | 179 | |
emcu | 0:94f11a1db3fa | 180 | else if (tx_done_flag) |
emcu | 0:94f11a1db3fa | 181 | { |
emcu | 0:94f11a1db3fa | 182 | tx_done_flag = false; |
emcu | 0:94f11a1db3fa | 183 | printf("\r\n***Packet sent ***\r\nSent string ='%s' (len=%d)\n\r", send_buf, strlen((const char*)send_buf) + 1); |
emcu | 0:94f11a1db3fa | 184 | } |
emcu | 1:4910fc32a71f | 185 | |
emcu | 1:4910fc32a71f | 186 | wait_ms(200); // Anti debounce on Blue Button |
emcu | 0:94f11a1db3fa | 187 | } |
emcu | 0:94f11a1db3fa | 188 | |
emcu | 0:94f11a1db3fa | 189 | /* unreachable */ |
emcu | 0:94f11a1db3fa | 190 | // myspirit.off(); |
emcu | 0:94f11a1db3fa | 191 | // return 0; |
emcu | 0:94f11a1db3fa | 192 | } |