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Cleaned up example code (iBeacon only)

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This commit is contained in:
ktownsend 2013-12-18 18:02:45 +00:00
parent 87ea616662
commit 64d6fc5de0
2 changed files with 22 additions and 71 deletions
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20
hw/nrf51822.cpp
View file

@ -11,7 +11,7 @@ void nRF51822::uartCallback(void)
/* ToDo: Check responses and set a flag for success/error/etc. */
/* Read serial to clear the RX interrupt */
uart.getc();
printf("%c", uart.getc());
}
/**************************************************************************/
@ -88,6 +88,7 @@ ble_error_t nRF51822::setAdvertising(GapAdvertisingParams & params, GapAdvertisi
/* Make sure we support the advertising type */
if (params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED)
{
/* ToDo: This requires a propery security implementation, etc. */
return BLE_ERROR_NOT_IMPLEMENTED;
}
@ -132,13 +133,19 @@ ble_error_t nRF51822::setAdvertising(GapAdvertisingParams & params, GapAdvertisi
return BLE_ERROR_BUFFER_OVERFLOW;
}
/* Make sure we don't exceed the scan response payload length */
/* Check the scan response payload limits */
if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED))
{
/* Check if we're within the upper limit */
if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD)
{
return BLE_ERROR_BUFFER_OVERFLOW;
}
/* Make sure we have a payload! */
if (advData.getPayloadLen() == 0)
{
return BLE_ERROR_PARAM_OUT_OF_RANGE;
}
}
/* ToDo: Perform some checks on the payload, for example the Scan Response can't */
@ -148,23 +155,18 @@ ble_error_t nRF51822::setAdvertising(GapAdvertisingParams & params, GapAdvertisi
/* 1.) Send advertising params, Command IDs = 0x000C, 0x000D, 0x000E */
/* A.) Command ID = 0x000C, Advertising Interval, uint16_t */
printf("10 0C 00 02 %02X %02X\r\n", (uint8_t)(params.getInterval() & 0xFF),
(uint8_t)(params.getInterval() >> 8));
uart.printf("10 0C 00 02 %02X %02X\r\n", (uint8_t)(params.getInterval() & 0xFF),
(uint8_t)(params.getInterval() >> 8));
/* ToDo: Check response */
wait(0.5);
/* B.) Command ID = 0x000D, Advertising Timeout, uint16_t */
printf("10 0D 00 02 %02X %02X\r\n", (uint8_t)(params.getTimeout() & 0xFF),
(uint8_t)(params.getTimeout() >> 8));
uart.printf("10 0D 00 02 %02X %02X\r\n", (uint8_t)(params.getTimeout() & 0xFF),
(uint8_t)(params.getTimeout() >> 8));
/* ToDo: Check response */
wait(0.5);
/* C.) Command ID = 0x000E, Advertising Type, uint8_t */
printf("10 0E 00 01 %02X\r\n", (uint8_t)(params.getAdvertisingType()));
uart.printf("10 0E 00 01 %02X\r\n", (uint8_t)(params.getAdvertisingType()));
/* ToDo: Check response */
wait(0.5);
@ -188,8 +190,8 @@ ble_error_t nRF51822::setAdvertising(GapAdvertisingParams & params, GapAdvertisi
/* 3.) Send scan response data, Command ID = 0x000B */
if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED))
{
len = advData.getPayloadLen();
buffer = advData.getPayload();
len = scanResponse.getPayloadLen();
buffer = scanResponse.getPayload();
printf("10 0B 00 %02X", len);
uart.printf("10 0B 00 %02X", len);
for (uint16_t i = 0; i < len; i++)

73
main.cpp
View file

@ -1,89 +1,38 @@
#include "mbed.h"
#include "uuid.h"
#include "GattService.h"
#include "GattCharacteristic.h"
#include "hw/nrf51822.h"
DigitalOut myled ( LED1 );
/* Radio HW abstraction layer */
/* Radio HW */
nRF51822 radio;
/* Heart Rate Monitor Service */
/* See --> https://developer.bluetooth.org/gatt/services/Pages/ServiceViewer.aspx?u=org.bluetooth.service.heart_rate.xml */
GattService hrmService ( 0x180D );
GattCharacteristic hrmRate ( 0x2A37, 2, 3, BLE_GATT_CHAR_PROPERTIES_NOTIFY );
GattCharacteristic hrmLocation ( 0x2A39, 1, 1, BLE_GATT_CHAR_PROPERTIES_READ );
/* GAP Advertising Example (iBeacon) */
GapAdvertisingParams advParams ( GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED );
GapAdvertisingData advData;
GapAdvertisingData scanResponse;
uint8_t iBeaconPayload[25] = { 0x4C, 0x00, 0x02, 0x15, 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, 0x00, 0x00, 0x00, 0x00, 0xC8 };
void startBeacon(void)
{
GapAdvertisingParams advParams ( GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED );
GapAdvertisingData advData;
GapAdvertisingData scanResponse;
uint8_t iBeaconPayload[25] = { 0x4C, 0x00, 0x02, 0x15, 0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, 0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61, 0x00, 0x00, 0x00, 0x00, 0xC8 };
/* ToDo: Check error conditions in a shared ASSERT with debug output via printf */
ble_error_t error;
/* iBeacon includes the FLAG and MSD fields */
advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED);
advData.addData(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, iBeaconPayload, 25);
error = advData.addFlags(GapAdvertisingData::BREDR_NOT_SUPPORTED);
error = advData.addData(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, iBeaconPayload, 25);
error = radio.reset();
error = radio.setAdvertising(advParams, advData, scanResponse);
error = radio.start();
}
void startHRM(void)
{
uint8_t hrmCounter = 100;
/* Add the heart rate and sensor location chars to the HRM service */
hrmService.addCharacteristic(hrmRate);
hrmService.addCharacteristic(hrmLocation);
/* Reset the BLE hardware to make sure we get a clean start */
wait(2);
radio.reset();
/* Add the services to the radio HAL */
radio.addService(hrmService);
/* Start the services so that we can start pushing data out */
radio.start();
/* Set the heart rate monitor location (one time only) */
/* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.body_sensor_location.xml */
uint8_t location = 0x01; /* Chest */
radio.writeCharacteristic(hrmService, hrmLocation, (uint8_t*)&location, sizeof(location));
while(1)
{
myled = 1;
wait(0.1);
myled = 0;
wait(0.1);
/* Update the HRM measurement */
/* First byte = 8-bit values, no extra info, Second byte = uint8_t HRM value */
/* See --> https://developer.bluetooth.org/gatt/characteristics/Pages/CharacteristicViewer.aspx?u=org.bluetooth.characteristic.heart_rate_measurement.xml */
hrmCounter++;
if (hrmCounter == 175) hrmCounter = 100;
uint8_t bpm[2] = { 0x00, hrmCounter };
radio.writeCharacteristic(hrmService, hrmRate, bpm, 2);
}
}
int main()
{
/* Give the radio some time to boot up and settle */
wait(2);
/* Only use one of these two options! */
startBeacon();
// startHRM();
while(1);
}