DesignForAmputee hw 5 project
Dependencies: mbed BLE_API nRF51822
main.cpp@10:0193462ea6f1, 2014-11-09 (annotated)
- Committer:
- jstroud
- Date:
- Sun Nov 09 22:38:56 2014 +0000
- Revision:
- 10:0193462ea6f1
- Parent:
- 8:114fea2afa09
- Child:
- 11:8500dadc8a7e
nordic with float code
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
jstroud | 0:6a0d0bc31c4c | 1 | #include "mbed.h" |
pgao | 1:dbfe14952cdc | 2 | #include "BLEDevice.h" |
jstroud | 10:0193462ea6f1 | 3 | #include <string> |
pgao | 1:dbfe14952cdc | 4 | #include "UARTService.h" |
pgao | 1:dbfe14952cdc | 5 | |
pgao | 3:436ef162bf2d | 6 | #define NEED_CONSOLE_OUTPUT 1 /* Set this if you need debug messages on the console; |
pgao | 1:dbfe14952cdc | 7 | * it will have an impact on code-size and power consumption. */ |
pgao | 3:436ef162bf2d | 8 | Serial pc(USBTX, USBRX); |
pgao | 3:436ef162bf2d | 9 | |
pgao | 1:dbfe14952cdc | 10 | #if NEED_CONSOLE_OUTPUT |
pgao | 3:436ef162bf2d | 11 | #define DEBUG(...) { pc.printf(__VA_ARGS__); } |
pgao | 1:dbfe14952cdc | 12 | #else |
pgao | 1:dbfe14952cdc | 13 | #define DEBUG(...) /* nothing */ |
pgao | 1:dbfe14952cdc | 14 | #endif /* #if NEED_CONSOLE_OUTPUT */ |
pgao | 1:dbfe14952cdc | 15 | |
pgao | 1:dbfe14952cdc | 16 | BLEDevice ble; |
pgao | 1:dbfe14952cdc | 17 | DigitalOut led1(LED1); |
pgao | 3:436ef162bf2d | 18 | DigitalOut led2(LED2); |
pgao | 3:436ef162bf2d | 19 | |
pgao | 3:436ef162bf2d | 20 | DigitalOut powerSwitch(P0_0); |
pgao | 3:436ef162bf2d | 21 | |
jstroud | 6:d540386708d1 | 22 | AnalogIn tempPin(P0_1); |
pgao | 1:dbfe14952cdc | 23 | |
pgao | 1:dbfe14952cdc | 24 | UARTService *uartServicePtr; |
pgao | 1:dbfe14952cdc | 25 | |
pgao | 1:dbfe14952cdc | 26 | void disconnectionCallback(Gap::Handle_t handle, Gap::DisconnectionReason_t reason) |
pgao | 1:dbfe14952cdc | 27 | { |
pgao | 1:dbfe14952cdc | 28 | DEBUG("Disconnected!\n\r"); |
pgao | 1:dbfe14952cdc | 29 | DEBUG("Restarting the advertising process\n\r"); |
pgao | 1:dbfe14952cdc | 30 | ble.startAdvertising(); |
pgao | 1:dbfe14952cdc | 31 | } |
pgao | 1:dbfe14952cdc | 32 | |
pgao | 1:dbfe14952cdc | 33 | void onDataWritten(const GattCharacteristicWriteCBParams *params) |
pgao | 1:dbfe14952cdc | 34 | { |
pgao | 1:dbfe14952cdc | 35 | if ((uartServicePtr != NULL) && (params->charHandle == uartServicePtr->getTXCharacteristicHandle())) { |
jstroud | 8:114fea2afa09 | 36 | float temp = tempPin.read(); // temperature voltage |
jstroud | 10:0193462ea6f1 | 37 | |
jstroud | 10:0193462ea6f1 | 38 | float tempC = ((temp*3.0)-0.5)*100.0; // conversion to celcius |
jstroud | 10:0193462ea6f1 | 39 | float tempF = (tempC*9.0/5.0)+32.0; // conversion to fahrenheit |
jstroud | 10:0193462ea6f1 | 40 | DEBUG("temp[V]:%f\ttemp[C]:%f\ttemp[F]:%f\n",temp,tempC,tempF); |
jstroud | 10:0193462ea6f1 | 41 | //DEBUG(params->data, "% |
pgao | 1:dbfe14952cdc | 42 | uint16_t bytesRead = params->len; |
pgao | 1:dbfe14952cdc | 43 | DEBUG("received %u bytes\n\r", bytesRead); |
pgao | 3:436ef162bf2d | 44 | DEBUG("first byte received: %u\n\r", params->data[0]); |
pgao | 3:436ef162bf2d | 45 | uint8_t on = '1'; |
pgao | 3:436ef162bf2d | 46 | uint8_t off = '0'; |
pgao | 3:436ef162bf2d | 47 | if (params->data[0] == on) { |
pgao | 3:436ef162bf2d | 48 | led2 = 1; |
pgao | 3:436ef162bf2d | 49 | powerSwitch = 1; |
pgao | 3:436ef162bf2d | 50 | } else if (params->data[0] == off) { |
pgao | 3:436ef162bf2d | 51 | led2 = 0; |
pgao | 3:436ef162bf2d | 52 | powerSwitch = 0; |
pgao | 3:436ef162bf2d | 53 | } |
jstroud | 10:0193462ea6f1 | 54 | //ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), params->data, bytesRead); |
jstroud | 10:0193462ea6f1 | 55 | char buffer[30]; |
jstroud | 10:0193462ea6f1 | 56 | sprintf(buffer,"%4.0f",tempF); |
jstroud | 10:0193462ea6f1 | 57 | char *data [] = {buffer}; |
jstroud | 10:0193462ea6f1 | 58 | ble.updateCharacteristicValue(uartServicePtr->getRXCharacteristicHandle(), (uint8_t *)data, sizeof(&data)); |
jstroud | 8:114fea2afa09 | 59 | |
jstroud | 0:6a0d0bc31c4c | 60 | } |
jstroud | 0:6a0d0bc31c4c | 61 | } |
pgao | 1:dbfe14952cdc | 62 | |
pgao | 1:dbfe14952cdc | 63 | void periodicCallback(void) |
pgao | 1:dbfe14952cdc | 64 | { |
pgao | 1:dbfe14952cdc | 65 | led1 = !led1; |
pgao | 1:dbfe14952cdc | 66 | } |
pgao | 1:dbfe14952cdc | 67 | |
pgao | 1:dbfe14952cdc | 68 | int main(void) |
pgao | 1:dbfe14952cdc | 69 | { |
pgao | 1:dbfe14952cdc | 70 | led1 = 1; |
pgao | 3:436ef162bf2d | 71 | led2 = 0; |
pgao | 3:436ef162bf2d | 72 | powerSwitch = 0; |
pgao | 1:dbfe14952cdc | 73 | Ticker ticker; |
pgao | 1:dbfe14952cdc | 74 | ticker.attach(periodicCallback, 1); |
pgao | 1:dbfe14952cdc | 75 | |
pgao | 1:dbfe14952cdc | 76 | DEBUG("Initialising the nRF51822\n\r"); |
pgao | 1:dbfe14952cdc | 77 | ble.init(); |
pgao | 1:dbfe14952cdc | 78 | ble.onDisconnection(disconnectionCallback); |
jstroud | 7:fa5a3ca3c62b | 79 | ble.onDataWritten(onDataWritten); // called when someone writes to me |
pgao | 1:dbfe14952cdc | 80 | |
pgao | 1:dbfe14952cdc | 81 | /* setup advertising */ |
pgao | 1:dbfe14952cdc | 82 | ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); |
pgao | 1:dbfe14952cdc | 83 | ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
pgao | 1:dbfe14952cdc | 84 | ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME, |
pgao | 1:dbfe14952cdc | 85 | (const uint8_t *)"pgao", sizeof("pgao") - 1); |
pgao | 1:dbfe14952cdc | 86 | ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS, |
pgao | 1:dbfe14952cdc | 87 | (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed)); |
pgao | 1:dbfe14952cdc | 88 | |
pgao | 1:dbfe14952cdc | 89 | ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ |
pgao | 1:dbfe14952cdc | 90 | ble.startAdvertising(); |
pgao | 1:dbfe14952cdc | 91 | |
pgao | 1:dbfe14952cdc | 92 | UARTService uartService(ble); |
pgao | 1:dbfe14952cdc | 93 | uartServicePtr = &uartService; |
pgao | 1:dbfe14952cdc | 94 | |
pgao | 1:dbfe14952cdc | 95 | while (true) { |
pgao | 1:dbfe14952cdc | 96 | ble.waitForEvent(); |
pgao | 1:dbfe14952cdc | 97 | } |
pgao | 1:dbfe14952cdc | 98 | } |
pgao | 1:dbfe14952cdc | 99 |