cf wu / Mbed OS M482_EPY_Wifi_BLE

richlink

main.cpp@33:e09fff6b149f, 2021-06-16 (annotated)

Committer:
wright0418
Date:
Wed Jun 16 11:05:30 2021 +0000
Revision:
33:e09fff6b149f
Parent:
30:46a585864956 
2 test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wright0418 33:e09fff6b149f 1 /* ePy-Lite BLE usage example
wright0418 33:e09fff6b149f 2 * Copyright (c) 2021 Richlink Technology
wright0418 33:e09fff6b149f 3 *
wright0418 33:e09fff6b149f 4 * Licensed under the Apache License, Version 2.0 (the "License");
wright0418 33:e09fff6b149f 5 * you may not use this file except in compliance with the License.
wright0418 33:e09fff6b149f 6 * You may obtain a copy of the License at
wright0418 33:e09fff6b149f 7 *
wright0418 33:e09fff6b149f 8 * http://www.apache.org/licenses/LICENSE-2.0
wright0418 33:e09fff6b149f 9 *
wright0418 33:e09fff6b149f 10 * Unless required by applicable law or agreed to in writing, software
wright0418 33:e09fff6b149f 11 * distributed under the License is distributed on an "AS IS" BASIS,
wright0418 33:e09fff6b149f 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
wright0418 33:e09fff6b149f 13 * See the License for the specific language governing permissions and
wright0418 33:e09fff6b149f 14 * limitations under the License.
wright0418 33:e09fff6b149f 15 */
cyliang 0:2198c8de64fe 16
wright0418 33:e09fff6b149f 17 #include "mbed.h"
wright0418 33:e09fff6b149f 18 #include "USBSerial.h"
wright0418 33:e09fff6b149f 19 #include "epy_lite_io.h"
cyliang 0:2198c8de64fe 20
wright0418 33:e09fff6b149f 21 #if MBED_MAJOR_VERSION < 6
wright0418 33:e09fff6b149f 22 #error "Mbed OS version requires 6 or later."
cyliang 0:2198c8de64fe 23 #endif
cyliang 0:2198c8de64fe 24
wright0418 33:e09fff6b149f 25 #include "SPIFBlockDevice.h"
wright0418 33:e09fff6b149f 26
wright0418 33:e09fff6b149f 27 // Disable Write Protection and Hold functions
wright0418 33:e09fff6b149f 28 DigitalOut spif_wp(SPIFLASH_WP, 1);
wright0418 33:e09fff6b149f 29 DigitalOut spif_hold(SPIFLASH_HOLD, 1);
wright0418 33:e09fff6b149f 30
wright0418 33:e09fff6b149f 31 /*
wright0418 33:e09fff6b149f 32 BlockDevice *bd = new SPIFBlockDevice(MBED_CONF_SPIF_DRIVER_SPI_MOSI,
wright0418 33:e09fff6b149f 33 MBED_CONF_SPIF_DRIVER_SPI_MISO,
wright0418 33:e09fff6b149f 34 MBED_CONF_SPIF_DRIVER_SPI_CLK,
wright0418 33:e09fff6b149f 35 MBED_CONF_SPIF_DRIVER_SPI_CS);
wright0418 33:e09fff6b149f 36 */
wright0418 33:e09fff6b149f 37 BlockDevice *bd = new SPIFBlockDevice(SPIFLASH_MOSI,
wright0418 33:e09fff6b149f 38 SPIFLASH_MISO,
wright0418 33:e09fff6b149f 39 SPIFLASH_CLK,
wright0418 33:e09fff6b149f 40 SPIFLASH_CS);
wright0418 33:e09fff6b149f 41
wright0418 33:e09fff6b149f 42 // This example uses LittleFileSystem as the default file system
wright0418 33:e09fff6b149f 43 #include "LittleFileSystem.h"
wright0418 33:e09fff6b149f 44 LittleFileSystem fs("fs");
wright0418 33:e09fff6b149f 45
wright0418 33:e09fff6b149f 46 // Uncomment the following two lines and comment the previous two to use FAT file system.
wright0418 33:e09fff6b149f 47 // #include "FATFileSystem.h"
wright0418 33:e09fff6b149f 48 // FATFileSystem fs("fs");
cyliang 0:2198c8de64fe 49
cyliang 0:2198c8de64fe 50
wright0418 33:e09fff6b149f 51 USBSerial *_console;
wright0418 33:e09fff6b149f 52
wright0418 33:e09fff6b149f 53 BufferedSerial *_ble_serial;
wright0418 33:e09fff6b149f 54 ATCmdParser *_parser;
cyliang 0:2198c8de64fe 55
wright0418 33:e09fff6b149f 56 Ticker flipper;
wright0418 33:e09fff6b149f 57 DigitalOut _led(LED_Y, 0);
wright0418 33:e09fff6b149f 58 DigitalOut _ledr(LED_R, 0);
wright0418 33:e09fff6b149f 59 DigitalOut _ledb(LED_B, 0);
cyliang 0:2198c8de64fe 60
wright0418 33:e09fff6b149f 61 void flip_led()
wright0418 33:e09fff6b149f 62 {
wright0418 33:e09fff6b149f 63 _led = !_led;
cyliang 0:2198c8de64fe 64 }
cyliang 0:2198c8de64fe 65
wright0418 33:e09fff6b149f 66 void ble_recv()
wright0418 33:e09fff6b149f 67 {
wright0418 33:e09fff6b149f 68 unsigned char c;
wright0418 33:e09fff6b149f 69
wright0418 33:e09fff6b149f 70 while(_ble_serial->readable()) {
wright0418 33:e09fff6b149f 71 _ledb = !_ledb;
wright0418 33:e09fff6b149f 72 _ble_serial->read(&c, 1);
wright0418 33:e09fff6b149f 73 _console->write(&c, 1);
wright0418 33:e09fff6b149f 74 }
cyliang 0:2198c8de64fe 75 }
cyliang 0:2198c8de64fe 76
wright0418 33:e09fff6b149f 77 void console_recv()
wright0418 33:e09fff6b149f 78 {
wright0418 33:e09fff6b149f 79 static bool pt_mode = false;
wright0418 33:e09fff6b149f 80 unsigned char c;
cyliang 30:46a585864956 81
wright0418 33:e09fff6b149f 82 while(_console->readable()) {
wright0418 33:e09fff6b149f 83 _ledr = !_ledr;
wright0418 33:e09fff6b149f 84 _console->read(&c, 1);
wright0418 33:e09fff6b149f 85 if (pt_mode == true)
wright0418 33:e09fff6b149f 86 {
wright0418 33:e09fff6b149f 87 if (c == '\r')
wright0418 33:e09fff6b149f 88 {
wright0418 33:e09fff6b149f 89 _console->write("\r\n", 2); // echo to console
wright0418 33:e09fff6b149f 90 _ble_serial->write("\r\n", 2);
wright0418 33:e09fff6b149f 91 }
wright0418 33:e09fff6b149f 92 else if (c == 0x03) // Ctrl-C
wright0418 33:e09fff6b149f 93 {
wright0418 33:e09fff6b149f 94 pt_mode = false;
wright0418 33:e09fff6b149f 95 _console->printf("\r\nExit pass-through Mode\r\n");
wright0418 33:e09fff6b149f 96 }
wright0418 33:e09fff6b149f 97 else
wright0418 33:e09fff6b149f 98 {
wright0418 33:e09fff6b149f 99 _console->write(&c, 1); // echo to console
wright0418 33:e09fff6b149f 100 _ble_serial->write(&c, 1);
wright0418 33:e09fff6b149f 101 }
wright0418 33:e09fff6b149f 102 }
wright0418 33:e09fff6b149f 103 else {
wright0418 33:e09fff6b149f 104 if (c == '?')
wright0418 33:e09fff6b149f 105 {
wright0418 33:e09fff6b149f 106 _console->printf("\r\n ? : print this menu");
wright0418 33:e09fff6b149f 107 _console->printf("\r\n p : enter pass-through mode. Press CTRL-C to exit the mode");
wright0418 33:e09fff6b149f 108 _console->printf("\r\n v : send AT+VERSION");
wright0418 33:e09fff6b149f 109 _console->printf("\r\n a : send AT+ADDR=?");
wright0418 33:e09fff6b149f 110 _console->printf("\r\n r : send AT+RESET");
wright0418 33:e09fff6b149f 111 _console->printf("\r\n d : send AT+MODE_DATA");
wright0418 33:e09fff6b149f 112 _console->printf("\r\n c : send !CCMD@");
wright0418 33:e09fff6b149f 113 _console->printf("\r\n");
wright0418 33:e09fff6b149f 114 }
wright0418 33:e09fff6b149f 115 else if (c == 'p')
wright0418 33:e09fff6b149f 116 {
wright0418 33:e09fff6b149f 117 pt_mode = true;
wright0418 33:e09fff6b149f 118 _console->printf("\r\nEnter pass-through mode...\r\n");
wright0418 33:e09fff6b149f 119 }
wright0418 33:e09fff6b149f 120 else if (c == 'v')
wright0418 33:e09fff6b149f 121 {
wright0418 33:e09fff6b149f 122 //_ble_serial->write("AT+VERSION\r\n", 12);
wright0418 33:e09fff6b149f 123 _ble_serial->write("AT+VERSION", 10);
wright0418 33:e09fff6b149f 124 ThisThread::sleep_for(2ms);
wright0418 33:e09fff6b149f 125 _ble_serial->write("\r\n", 2);
wright0418 33:e09fff6b149f 126 }
wright0418 33:e09fff6b149f 127 else if (c == 'a')
wright0418 33:e09fff6b149f 128 {
wright0418 33:e09fff6b149f 129 _ble_serial->write("AT+ADDR=?\r\n", 11);
wright0418 33:e09fff6b149f 130 }
wright0418 33:e09fff6b149f 131 else if (c == 'r')
wright0418 33:e09fff6b149f 132 {
wright0418 33:e09fff6b149f 133 _ble_serial->write("AT+RESET\r\n", 10);
wright0418 33:e09fff6b149f 134 }
wright0418 33:e09fff6b149f 135 else if (c == 'd')
wright0418 33:e09fff6b149f 136 {
wright0418 33:e09fff6b149f 137 _ble_serial->write("AT+MODE_DATA\r\n", 14);
wright0418 33:e09fff6b149f 138 }
wright0418 33:e09fff6b149f 139 else if (c == 'c')
wright0418 33:e09fff6b149f 140 {
wright0418 33:e09fff6b149f 141 _ble_serial->write("!CCMD@", 6);
wright0418 33:e09fff6b149f 142 }
wright0418 33:e09fff6b149f 143 }
wright0418 33:e09fff6b149f 144 }
wright0418 33:e09fff6b149f 145 }
cyliang 0:2198c8de64fe 146
wright0418 33:e09fff6b149f 147 int main()
wright0418 33:e09fff6b149f 148 {
wright0418 33:e09fff6b149f 149 flipper.attach(&flip_led, 1s);
wright0418 33:e09fff6b149f 150
wright0418 33:e09fff6b149f 151 _console = new USBSerial(true);
wright0418 33:e09fff6b149f 152 _ble_serial = new BufferedSerial(BLE_UART_TX, BLE_UART_RX, BLE_DEFAULT_BAUD_RATE);
wright0418 33:e09fff6b149f 153 _parser = new ATCmdParser(_ble_serial, "\r\n");
wright0418 33:e09fff6b149f 154 //_parser->debug_on( 0 );
wright0418 33:e09fff6b149f 155 //_parser->set_delimiter( "\r\n" );
wright0418 33:e09fff6b149f 156
wright0418 33:e09fff6b149f 157 #if 1
wright0418 33:e09fff6b149f 158 // Try SPI Flash
cyliang 0:2198c8de64fe 159
wright0418 33:e09fff6b149f 160 bd->init();
wright0418 33:e09fff6b149f 161 _console->printf("spif size: %llu\r\n", bd->size());
wright0418 33:e09fff6b149f 162 _console->printf("spif read size: %llu\r\n", bd->get_read_size());
wright0418 33:e09fff6b149f 163 _console->printf("spif program size: %llu\r\n", bd->get_program_size());
wright0418 33:e09fff6b149f 164 _console->printf("spif erase size: %llu\r\n", bd->get_erase_size());
wright0418 33:e09fff6b149f 165 _console->printf("Mounting the filesystem... ");
wright0418 33:e09fff6b149f 166 int err = fs.mount(bd);
wright0418 33:e09fff6b149f 167 _console->printf("%s\r\n", (err ? "Fail :(" : "OK"));
wright0418 33:e09fff6b149f 168 if (err) {
wright0418 33:e09fff6b149f 169 // Reformat if we can't mount the filesystem
wright0418 33:e09fff6b149f 170 // this should only happen on the first boot
wright0418 33:e09fff6b149f 171 _console->printf("No filesystem found, formatting... ");
wright0418 33:e09fff6b149f 172 err = fs.reformat(bd);
wright0418 33:e09fff6b149f 173 _console->printf("%s\r\n", (err ? "Fail :(" : "OK"));
wright0418 33:e09fff6b149f 174 if (err) {
wright0418 33:e09fff6b149f 175 //error("error: %s (%d)\r\n", strerror(-err), err);
wright0418 33:e09fff6b149f 176 _console->printf("error: %s (%d)\r\n", strerror(-err), err);
wright0418 33:e09fff6b149f 177 }
ccli8 24:38e186a10abe 178 }
cyliang 0:2198c8de64fe 179
wright0418 33:e09fff6b149f 180 #endif
wright0418 33:e09fff6b149f 181
wright0418 33:e09fff6b149f 182 #if 1
wright0418 33:e09fff6b149f 183 // _console->attach(&console_recv);
wright0418 33:e09fff6b149f 184 // _ble_serial->attach(&ble_recv, Serial::RxIrq);
wright0418 33:e09fff6b149f 185 _console->printf("\r\nStart ...");
wright0418 33:e09fff6b149f 186 _console->printf("\r\nPress ? to show menu ...\r\n");
wright0418 33:e09fff6b149f 187
wright0418 33:e09fff6b149f 188 ThisThread::sleep_for(1s);
wright0418 33:e09fff6b149f 189
wright0418 33:e09fff6b149f 190 //_ble_serial->write("AT+ADDR=?\r\n", 11);
wright0418 33:e09fff6b149f 191 //ThisThread::sleep_for(1s);
wright0418 33:e09fff6b149f 192 //_ble_serial->write("AT+VERSION\r\n", 12);
cyliang 0:2198c8de64fe 193
wright0418 33:e09fff6b149f 194 while(1)
wright0418 33:e09fff6b149f 195 {
wright0418 33:e09fff6b149f 196 console_recv();
wright0418 33:e09fff6b149f 197 ble_recv();
wright0418 33:e09fff6b149f 198 }
wright0418 33:e09fff6b149f 199 #endif
wright0418 33:e09fff6b149f 200
wright0418 33:e09fff6b149f 201 _console->printf("\r\nATCmdParser on ePy-Lite example\r\n");
wright0418 33:e09fff6b149f 202 ThisThread::sleep_for(2s);
wright0418 33:e09fff6b149f 203
wright0418 33:e09fff6b149f 204 #if 0
wright0418 33:e09fff6b149f 205 if (_parser->recv("READY OK"))
wright0418 33:e09fff6b149f 206 {
wright0418 33:e09fff6b149f 207 _console->printf("\r\nModule is ready!");
wright0418 33:e09fff6b149f 208 }
wright0418 33:e09fff6b149f 209 #endif
cyliang 0:2198c8de64fe 210
wright0418 33:e09fff6b149f 211 #if 0
wright0418 33:e09fff6b149f 212 // Assume BLE module is in DATA mode, switch to CMD mode
wright0418 33:e09fff6b149f 213 if (_parser->send("!CCMD@") && _parser->recv("OK"))
wright0418 33:e09fff6b149f 214 {
wright0418 33:e09fff6b149f 215 _console->printf("\r\nSwitch to CMD mode success.");
wright0418 33:e09fff6b149f 216 }
wright0418 33:e09fff6b149f 217 else {
wright0418 33:e09fff6b149f 218 _console->printf("\r\nSwitch to Cmd mode timeout.");
wright0418 33:e09fff6b149f 219 // Assume already in CMD mode
wright0418 33:e09fff6b149f 220 }
cyliang 21:662058dda3b1 221 #endif
wright0418 33:e09fff6b149f 222
wright0418 33:e09fff6b149f 223 //Now get the FW version number of BLE module by sending an AT command
wright0418 33:e09fff6b149f 224 _console->printf("\r\nATCmdParser: Retrieving FW version");
wright0418 33:e09fff6b149f 225
wright0418 33:e09fff6b149f 226 #if 0
wright0418 33:e09fff6b149f 227 while(true)
wright0418 33:e09fff6b149f 228 {
wright0418 33:e09fff6b149f 229 char s[256];
wright0418 33:e09fff6b149f 230 if(_parser->read(s, 256) < 0)
wright0418 33:e09fff6b149f 231 break;
cyliang 0:2198c8de64fe 232
wright0418 33:e09fff6b149f 233 _console->printf("%s\r\n", s);
wright0418 33:e09fff6b149f 234 }
wright0418 33:e09fff6b149f 235 _parser->write("AT+VERSION\r\n",12);
wright0418 33:e09fff6b149f 236 #endif
cyliang 0:2198c8de64fe 237
wright0418 33:e09fff6b149f 238 _parser->write("AT+VERSION\r\n",12);
wright0418 33:e09fff6b149f 239
wright0418 33:e09fff6b149f 240 int ver_major, ver_minor, ver_patch;
wright0418 33:e09fff6b149f 241 if(_parser->recv("VERSION %d.%d.%d OK", &ver_major, &ver_minor, &ver_patch) /* && _parser->recv("OK") */) {
wright0418 33:e09fff6b149f 242 _console->printf("\r\nATCmdParser: FW version: %d.%d.%d", ver_major, ver_minor, ver_patch);
wright0418 33:e09fff6b149f 243 _console->printf("\r\nATCmdParser: Retrieving FW version success");
wright0418 33:e09fff6b149f 244 } else {
wright0418 33:e09fff6b149f 245 _console->printf("\r\nATCmdParser: Retrieving FW version failed");
wright0418 33:e09fff6b149f 246 return -1;
cyliang 0:2198c8de64fe 247 }
cyliang 0:2198c8de64fe 248
wright0418 33:e09fff6b149f 249 _parser->write("AT+ADDR=?\r\n",11);
wright0418 33:e09fff6b149f 250
wright0418 33:e09fff6b149f 251 #if 1
wright0418 33:e09fff6b149f 252 if (_parser->recv("MAC_ADD"))
wright0418 33:e09fff6b149f 253 {
wright0418 33:e09fff6b149f 254 char mac_addr[20];
wright0418 33:e09fff6b149f 255 _parser->read(mac_addr, 14);
wright0418 33:e09fff6b149f 256 _console->printf("\r\nMAC Addr is %s\r\n", mac_addr);
wright0418 33:e09fff6b149f 257
wright0418 33:e09fff6b149f 258 }
wright0418 33:e09fff6b149f 259 #else
wright0418 33:e09fff6b149f 260 long int mac_addr;
wright0418 33:e09fff6b149f 261 if(_parser->recv("MAC_ADDR %lx OK", &mac_addr) /* && _parser->recv("OK") */)
wright0418 33:e09fff6b149f 262 {
wright0418 33:e09fff6b149f 263 _console->printf("\r\nATCmdParser: MAC Address : %lx", mac_addr);
wright0418 33:e09fff6b149f 264 _console->printf("\r\nATCmdParser: Retrieving MAC Address success");
wright0418 33:e09fff6b149f 265 } else {
wright0418 33:e09fff6b149f 266 _console->printf("\r\nATCmdParser: Retrieving FW version failed");
wright0418 33:e09fff6b149f 267 return -1;
wright0418 33:e09fff6b149f 268 }
cyliang 0:2198c8de64fe 269 #endif
ccli8 24:38e186a10abe 270
wright0418 33:e09fff6b149f 271 _console->printf("\r\nDone\r\n");
cyliang 0:2198c8de64fe 272 }