Richard Osterloh / Buddi_Blueband

Application running on nRF51822 PCA10001

Dependencies:   BLE_API MMA8652 nRF51822 mbed-src

BuddiService.cpp@4:630f1560a0f3, 2014-09-03 (annotated)

Committer:
rosterloh84
Date:
Wed Sep 03 07:04:54 2014 +0000
Revision:
4:630f1560a0f3
Parent:
3:596283411a00 
Library updates

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rosterloh84 3:596283411a00 1 #include "mbed.h"
rosterloh84 3:596283411a00 2 #include "BuddiService.h"
rosterloh84 3:596283411a00 3 #include "Logger.h"
rosterloh84 3:596283411a00 4 #include "Configuration.h"
rosterloh84 3:596283411a00 5
rosterloh84 3:596283411a00 6 namespace Nudge {
rosterloh84 3:596283411a00 7 // Buddi base UUID: 92D7DC20-xxxx-4DF8-84B1-AD8AF6E1EA4A
rosterloh84 3:596283411a00 8 #define buddi_UUID(x) {0x92, 0xD7, 0xDC, 0x20, (((x) & 0xFF00) >> 8), ((x) & 0xFF), 0x4D, 0xF8, 0x82, 0xB1, 0xAD, 0x8A, 0xF6, 0xE1, 0xEA, 0x4A}
rosterloh84 3:596283411a00 9 // UUID byte arrays
rosterloh84 3:596283411a00 10 static const uint8_t buddiServiceUUID[] = buddi_UUID(0xBA55);
rosterloh84 3:596283411a00 11 static const uint8_t commandUUID[16] = buddi_UUID(0xBB01);
rosterloh84 3:596283411a00 12 static const uint8_t notificationUUID[] = buddi_UUID(0xBB02);
rosterloh84 3:596283411a00 13
rosterloh84 3:596283411a00 14 // Storage for the value of the characteristics
rosterloh84 4:630f1560a0f3 15 typedef struct {
rosterloh84 3:596283411a00 16 uint8_t module;
rosterloh84 3:596283411a00 17 uint8_t opcode;
rosterloh84 3:596283411a00 18 uint8_t data[15];
rosterloh84 4:630f1560a0f3 19 } Command_t;
rosterloh84 4:630f1560a0f3 20 static Command_t commandPayload;
rosterloh84 3:596283411a00 21 //uint8_t commandPayload[17] = {0,};
rosterloh84 3:596283411a00 22
rosterloh84 3:596283411a00 23 // Other things needed for operation
rosterloh84 3:596283411a00 24 static BLEDevice* ble;
rosterloh84 3:596283411a00 25
rosterloh84 3:596283411a00 26 static GattCharacteristic commandCharacteristic(commandUUID,
rosterloh84 3:596283411a00 27 (uint8_t *)&commandPayload,
rosterloh84 4:630f1560a0f3 28 sizeof(Command_t), //1,
rosterloh84 4:630f1560a0f3 29 sizeof(Command_t), //8,
rosterloh84 3:596283411a00 30 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE |
rosterloh84 3:596283411a00 31 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE_WITHOUT_RESPONSE);
rosterloh84 3:596283411a00 32
rosterloh84 3:596283411a00 33 uint8_t notificationPayload[8] = {0,};
rosterloh84 3:596283411a00 34
rosterloh84 3:596283411a00 35 static GattCharacteristic notificationCharacteristic(notificationUUID,
rosterloh84 3:596283411a00 36 notificationPayload,
rosterloh84 3:596283411a00 37 1,
rosterloh84 3:596283411a00 38 8,
rosterloh84 3:596283411a00 39 GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
rosterloh84 3:596283411a00 40
rosterloh84 3:596283411a00 41 static GattCharacteristic *allChars[] = {&commandCharacteristic, &notificationCharacteristic};
rosterloh84 3:596283411a00 42 static GattService buddiService(buddiServiceUUID, allChars, sizeof(allChars) / sizeof(GattCharacteristic *));
rosterloh84 3:596283411a00 43
rosterloh84 3:596283411a00 44 PwmOut ledr(p22); /* Red LED on PCA10000 */
rosterloh84 3:596283411a00 45 PwmOut ledg(p23); /* Green LED on PCA10000 */
rosterloh84 3:596283411a00 46 PwmOut ledb(p21); /* Blue LED on PCA10000 */
rosterloh84 3:596283411a00 47
rosterloh84 3:596283411a00 48 void init(BLEDevice &bleDevice)
rosterloh84 3:596283411a00 49 {
rosterloh84 3:596283411a00 50 ledr = 1.0f;
rosterloh84 3:596283411a00 51 ledg = 1.0f;
rosterloh84 3:596283411a00 52 ledb = 1.0f;
rosterloh84 3:596283411a00 53 ble = &bleDevice;
rosterloh84 3:596283411a00 54 ble->addService(buddiService);
rosterloh84 3:596283411a00 55 DEBUG("Added buddi service\r\n");
rosterloh84 3:596283411a00 56 }
rosterloh84 3:596283411a00 57
rosterloh84 3:596283411a00 58 const uint8_t *getServiceUUIDp()
rosterloh84 3:596283411a00 59 {
rosterloh84 3:596283411a00 60 return buddiServiceUUID;
rosterloh84 3:596283411a00 61 }
rosterloh84 3:596283411a00 62
rosterloh84 3:596283411a00 63 void setLEDValue(uint8_t led, uint8_t value)
rosterloh84 3:596283411a00 64 {
rosterloh84 3:596283411a00 65 float val = ((float)value)/255;
rosterloh84 3:596283411a00 66 DEBUG("Setting LED %u to %1.3f\r\n", led, val);
rosterloh84 3:596283411a00 67 switch(led)
rosterloh84 3:596283411a00 68 {
rosterloh84 3:596283411a00 69 case 0:
rosterloh84 3:596283411a00 70 ledg = val;
rosterloh84 3:596283411a00 71 break;
rosterloh84 3:596283411a00 72 case 1:
rosterloh84 3:596283411a00 73 ledr = val;
rosterloh84 3:596283411a00 74 break;
rosterloh84 3:596283411a00 75 case 2:
rosterloh84 3:596283411a00 76 ledb = val;
rosterloh84 3:596283411a00 77 break;
rosterloh84 3:596283411a00 78 default:
rosterloh84 3:596283411a00 79 DEBUG("Unknown LED %u selected\r\n", led);
rosterloh84 3:596283411a00 80 break;
rosterloh84 3:596283411a00 81 }
rosterloh84 3:596283411a00 82 }
rosterloh84 3:596283411a00 83
rosterloh84 4:630f1560a0f3 84 void handleDataWritten(uint16_t handle, const GattCharacteristicWriteCBParams *params)
rosterloh84 3:596283411a00 85 {
rosterloh84 3:596283411a00 86 if (!ble) {
rosterloh84 3:596283411a00 87 return;
rosterloh84 3:596283411a00 88 }
rosterloh84 3:596283411a00 89
rosterloh84 3:596283411a00 90 if (handle == commandCharacteristic.getValueAttribute().getHandle()) {
rosterloh84 4:630f1560a0f3 91 //uint16_t len = sizeof(commandPayload);
rosterloh84 4:630f1560a0f3 92 //ble->readCharacteristicValue(handle, (uint8_t *) &commandPayload, &len);
rosterloh84 4:630f1560a0f3 93 if (params->len != sizeof(Command_t)) {
rosterloh84 4:630f1560a0f3 94 DEBUG("invalid write into fileInfo characteristic\r\n");
rosterloh84 4:630f1560a0f3 95 return;
rosterloh84 4:630f1560a0f3 96 }
rosterloh84 4:630f1560a0f3 97 memcpy(&commandPayload, params->data, params->len);
rosterloh84 3:596283411a00 98
rosterloh84 3:596283411a00 99 DEBUG("RX: MOD: 0x%X OP: 0x%X D0: 0x%X D1: 0x%X", commandPayload.module, commandPayload.opcode, commandPayload.data[0], commandPayload.data[1]);
rosterloh84 3:596283411a00 100 //ble->updateCharacteristicValue(notificationCharacteristic.getValueAttribute().getHandle(), commandPayload, bytesRead);
rosterloh84 3:596283411a00 101 switch(commandPayload.module) {
rosterloh84 3:596283411a00 102 case MODULE_NEO_PIXEL:
rosterloh84 3:596283411a00 103 setLEDValue(0, commandPayload.data[2]);
rosterloh84 3:596283411a00 104 setLEDValue(1, commandPayload.data[3]);
rosterloh84 3:596283411a00 105 setLEDValue(2, commandPayload.data[4]);
rosterloh84 3:596283411a00 106 break;
rosterloh84 3:596283411a00 107 default:
rosterloh84 3:596283411a00 108 DEBUG("Module %u not implemented yet", commandPayload.module);
rosterloh84 3:596283411a00 109 break;
rosterloh84 3:596283411a00 110 }
rosterloh84 3:596283411a00 111 } else {
rosterloh84 3:596283411a00 112 DEBUG("Got data on unexpected characteristic handle %u!\r\n", handle);
rosterloh84 3:596283411a00 113 }
rosterloh84 3:596283411a00 114 }
rosterloh84 3:596283411a00 115
rosterloh84 3:596283411a00 116 } // namespace nudge