Firmware for the mbed in the BlueSync Sensor platform. Intended to communicate with a BlueGiga BLE112 Bluetooth LE module over UART.

Dependencies:   TimerCapture mbed

Committer:
dishbreak
Date:
Sat May 30 04:34:45 2015 +0000
Revision:
3:54fef6ac433b
Parent:
2:ac474fccf29b
Child:
4:778626dfcc92
Adding ticker to check for output.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dishbreak 0:2bc22bc992ac 1 #include "mbed.h"
dishbreak 0:2bc22bc992ac 2 #include "TimerCapture.h"
dishbreak 1:cb941edd7bce 3 #include "bluesync_types.h"
dishbreak 0:2bc22bc992ac 4
dishbreak 1:cb941edd7bce 5 /** @file main.cpp
dishbreak 1:cb941edd7bce 6 @brief Main for the BlueSync mbed application. */
dishbreak 1:cb941edd7bce 7
dishbreak 1:cb941edd7bce 8 Serial ble112(p9, p10); ///< Serial connection for communicating with the BLE112.
dishbreak 1:cb941edd7bce 9 TimerCapture * capPin; ///< Capture pin, wired to GPIO pin on BLE112.
dishbreak 2:ac474fccf29b 10 DigitalOut bleSlaveLed(LED1);
dishbreak 2:ac474fccf29b 11 DigitalOut bleScanningLed(LED2);
dishbreak 2:ac474fccf29b 12 DigitalOut bleAdvRecv(LED3);
dishbreak 2:ac474fccf29b 13 DigitalOut bleTimeStampRecv(LED4);
dishbreak 3:54fef6ac433b 14 Ticker ticker;
dishbreak 2:ac474fccf29b 15
dishbreak 2:ac474fccf29b 16 void blankOutLeds() {
dishbreak 2:ac474fccf29b 17 bleSlaveLed = 0;
dishbreak 2:ac474fccf29b 18 bleScanningLed = 0;
dishbreak 2:ac474fccf29b 19 bleAdvRecv = 0;
dishbreak 2:ac474fccf29b 20 bleTimeStampRecv = 0;
dishbreak 2:ac474fccf29b 21 }
dishbreak 0:2bc22bc992ac 22
dishbreak 2:ac474fccf29b 23 /*uint8_t[] toByteArray(uint32_t input) {
dishbreak 2:ac474fccf29b 24 uint8_t byte[4];
dishbreak 2:ac474fccf29b 25
dishbreak 2:ac474fccf29b 26 byte[0] = input & 0x000000FF;
dishbreak 2:ac474fccf29b 27 byte[1] = (input & 0x0000FF00) >> 8;
dishbreak 2:ac474fccf29b 28 byte[2] = (input & 0x00FF0000) >> 16;
dishbreak 2:ac474fccf29b 29 byte[3] = (input & 0xFF000000) >> 24;
dishbreak 2:ac474fccf29b 30
dishbreak 2:ac474fccf29b 31 return byte;
dishbreak 2:ac474fccf29b 32 }*/
dishbreak 2:ac474fccf29b 33
dishbreak 2:ac474fccf29b 34 void on_adv_recv() {
dishbreak 2:ac474fccf29b 35 blankOutLeds();
dishbreak 2:ac474fccf29b 36 bleAdvRecv = 1;
dishbreak 0:2bc22bc992ac 37 uint8_t hw_addr[6];
dishbreak 0:2bc22bc992ac 38 for (int i = 5; i >=0; i--) {
dishbreak 0:2bc22bc992ac 39 hw_addr[i] = ble112.getc();
dishbreak 0:2bc22bc992ac 40 }
dishbreak 0:2bc22bc992ac 41
dishbreak 0:2bc22bc992ac 42 printf("***************\r\n");
dishbreak 0:2bc22bc992ac 43 printf("HW Addr: %02x:%02x:%02x:%02x:%02x:%02x ",
dishbreak 0:2bc22bc992ac 44 hw_addr[0],
dishbreak 0:2bc22bc992ac 45 hw_addr[1],
dishbreak 0:2bc22bc992ac 46 hw_addr[2],
dishbreak 0:2bc22bc992ac 47 hw_addr[3],
dishbreak 0:2bc22bc992ac 48 hw_addr[4],
dishbreak 0:2bc22bc992ac 49 hw_addr[5]);
dishbreak 0:2bc22bc992ac 50 printf("Obs At: %d\r\n", capPin->getTime());
dishbreak 2:ac474fccf29b 51 }
dishbreak 2:ac474fccf29b 52
dishbreak 2:ac474fccf29b 53 void on_master_mode() {
dishbreak 2:ac474fccf29b 54 blankOutLeds();
dishbreak 2:ac474fccf29b 55 bleScanningLed = 1;
dishbreak 2:ac474fccf29b 56 }
dishbreak 2:ac474fccf29b 57
dishbreak 2:ac474fccf29b 58 void on_slave_mode() {
dishbreak 2:ac474fccf29b 59 blankOutLeds();
dishbreak 2:ac474fccf29b 60 bleSlaveLed = 1;
dishbreak 1:cb941edd7bce 61 intByteArray bitArray;
dishbreak 1:cb941edd7bce 62 bitArray.integer = capPin->getTime();
dishbreak 3:54fef6ac433b 63 printf("Sending timestamp %d (%08x)\r\n", bitArray.integer, bitArray.integer);
dishbreak 2:ac474fccf29b 64 uint8_t event = (uint8_t) EventCode::SET_TIMESTAMP;
dishbreak 2:ac474fccf29b 65 printf("Sending event: %x\r\n", event);
dishbreak 2:ac474fccf29b 66 ble112.putc(0x05);
dishbreak 3:54fef6ac433b 67 for (int i = 0; i < 4; i++) {
dishbreak 1:cb941edd7bce 68 ble112.putc(bitArray.byte[i]);
dishbreak 1:cb941edd7bce 69 }
dishbreak 0:2bc22bc992ac 70 }
dishbreak 0:2bc22bc992ac 71
dishbreak 2:ac474fccf29b 72 void on_offset_recv() {
dishbreak 2:ac474fccf29b 73 blankOutLeds();
dishbreak 2:ac474fccf29b 74 bleTimeStampRecv = 1;
dishbreak 2:ac474fccf29b 75 intByteArray bitArray;
dishbreak 2:ac474fccf29b 76 for (int i = 3; i >= 0; i--) {
dishbreak 2:ac474fccf29b 77 bitArray.byte[i] = ble112.getc();
dishbreak 2:ac474fccf29b 78 }
dishbreak 2:ac474fccf29b 79 printf("Got offset %d\r\n", bitArray.signed_integer);
dishbreak 2:ac474fccf29b 80 }
dishbreak 2:ac474fccf29b 81
dishbreak 2:ac474fccf29b 82
dishbreak 2:ac474fccf29b 83 void on_serial_rcv() {
dishbreak 2:ac474fccf29b 84 uint8_t command = ble112.getc();
dishbreak 2:ac474fccf29b 85 printf("Command: %x\r\n", command);
dishbreak 2:ac474fccf29b 86 switch (command) {
dishbreak 2:ac474fccf29b 87 case EventCode::ADV_RECV:
dishbreak 2:ac474fccf29b 88 on_adv_recv();
dishbreak 2:ac474fccf29b 89 break;
dishbreak 2:ac474fccf29b 90 case EventCode::SLAVE_MODE:
dishbreak 2:ac474fccf29b 91 on_slave_mode();
dishbreak 2:ac474fccf29b 92 break;
dishbreak 2:ac474fccf29b 93 case EventCode::MASTER_MODE:
dishbreak 2:ac474fccf29b 94 on_master_mode();
dishbreak 2:ac474fccf29b 95 break;
dishbreak 2:ac474fccf29b 96 case EventCode::SET_TIMESTAMP:
dishbreak 2:ac474fccf29b 97
dishbreak 2:ac474fccf29b 98 break;
dishbreak 2:ac474fccf29b 99 case EventCode::OFFSET_RECV:
dishbreak 2:ac474fccf29b 100 on_offset_recv();
dishbreak 2:ac474fccf29b 101 break;
dishbreak 2:ac474fccf29b 102 default:
dishbreak 2:ac474fccf29b 103 printf("Got unexpected byte '%x' from terminal!\r\n",command);
dishbreak 2:ac474fccf29b 104 break;
dishbreak 2:ac474fccf29b 105 }
dishbreak 2:ac474fccf29b 106 }
dishbreak 2:ac474fccf29b 107
dishbreak 3:54fef6ac433b 108 void on_tick() {
dishbreak 3:54fef6ac433b 109 uint32_t timestamp = capPin->getTime();
dishbreak 3:54fef6ac433b 110 printf("+++Capture register: %d (%08x)\r\n", timestamp, timestamp);
dishbreak 3:54fef6ac433b 111 }
dishbreak 3:54fef6ac433b 112
dishbreak 0:2bc22bc992ac 113 int main() {
dishbreak 2:ac474fccf29b 114 printf("Booted!\r\n");
dishbreak 3:54fef6ac433b 115 ticker.attach(&on_tick, 5.0);
dishbreak 0:2bc22bc992ac 116 TimerCapture::startTimer();
dishbreak 0:2bc22bc992ac 117 capPin = new TimerCapture(p30);
dishbreak 3:54fef6ac433b 118 ble112.baud(9600);
dishbreak 3:54fef6ac433b 119 ble112.set_flow_control(SerialBase::RTSCTS, p7, p8);
dishbreak 0:2bc22bc992ac 120 ble112.attach(&on_serial_rcv);
dishbreak 2:ac474fccf29b 121 uint8_t command = (uint8_t) EventCode::GET_STATE;
dishbreak 2:ac474fccf29b 122 printf("Sending command %x\r\n", command);
dishbreak 2:ac474fccf29b 123 ble112.putc(command);
dishbreak 2:ac474fccf29b 124 for (int i = 0; i < 4; i++) {
dishbreak 2:ac474fccf29b 125 ble112.putc(0x00);
dishbreak 2:ac474fccf29b 126 }
dishbreak 0:2bc22bc992ac 127 }