High level Bluetooth Low Energy API and radio abstraction layer

Dependencies:   nRF51822

Dependents:   LinkNode_LIS3DH

Fork of BLE_API by Bluetooth Low Energy

Revision:
27:4a83843f04b0
Parent:
26:755b897a47b1
Child:
28:f6022fb90701
--- a/hw/nrf51822.cpp	Thu Jan 09 10:44:47 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,450 +0,0 @@
-#include "nrf51822.h"
-#include "mbed.h"
-
-/**************************************************************************/
-/*!
-    @brief  UART callback function
-*/
-/**************************************************************************/
-void nRF51822::uartCallback(void)
-{
-    /* ToDo: Check responses and set a flag for success/error/etc. */
-    
-    /* Read serial to clear the RX interrupt */
-    uart.getc();
-}
-
-/**************************************************************************/
-/*!
-    @brief  Constructor
-*/
-/**************************************************************************/
-nRF51822::nRF51822() : uart(p9, p10)
-{
-    /* Setup the nRF UART interface */
-    uart.baud(9600);
-
-    /* Echo data on the debug CDC port */
-    uart.attach(this, &nRF51822::uartCallback);
-    
-    /* Add flow control for UART (required by the nRF51822) */
-    uart.set_flow_control(RawSerial::RTSCTS, p30, p29);
-
-    /* Reset the service and characteristic counters */
-    serviceCount = 0;
-    characteristicCount = 0;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Destructor
-*/
-/**************************************************************************/
-nRF51822::~nRF51822(void)
-{
-}
-
-/**************************************************************************/
-/*!
-    @brief  Sets the advertising parameters and payload for the device
-
-    @param[in]  params
-                Basic advertising details, including the advertising
-                delay, timeout and how the device should be advertised
-    @params[in] advData
-                The primary advertising data payload
-    @params[in] scanResponse
-                The optional Scan Response payload if the advertising
-                type is set to \ref GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED
-                in \ref GapAdveritinngParams
-            
-    @returns    \ref ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-
-    @retval     BLE_ERROR_BUFFER_OVERFLOW
-                The proposed action would cause a buffer overflow.  All
-                advertising payloads must be <= 31 bytes, for example.
-                
-    @retval     BLE_ERROR_NOT_IMPLEMENTED
-                A feature was requested that is not yet supported in the
-                nRF51 firmware or hardware.
-
-    @retval     BLE_ERROR_PARAM_OUT_OF_RANGE
-                One of the proposed values is outside the valid range.
-
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::setAdvertising(GapAdvertisingParams & params, GapAdvertisingData & advData, GapAdvertisingData & scanResponse)
-{
-    uint8_t len = 0;
-    uint8_t *buffer;
-    
-    /* 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;
-    }
-    
-    /* Check interval range */
-    if (params.getAdvertisingType() == GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED)
-    {
-        /* Min delay is slightly longer for unconnectable devices */
-        if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN_NONCON) ||
-            (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX))
-        {
-            return BLE_ERROR_PARAM_OUT_OF_RANGE;
-        }
-    }
-    else
-    {
-        if ((params.getInterval() < GAP_ADV_PARAMS_INTERVAL_MIN) ||
-            (params.getInterval() > GAP_ADV_PARAMS_INTERVAL_MAX))
-        {
-            return BLE_ERROR_PARAM_OUT_OF_RANGE;
-        }
-    }
-    
-    /* Check timeout is zero for Connectable Directed */
-    if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) &&
-        (params.getTimeout() != 0))
-    {
-        /* Timeout must be 0 with this type, although we'll never get here */
-        /* since this isn't implemented yet anyway */
-        return BLE_ERROR_PARAM_OUT_OF_RANGE;
-    }
-    
-    /* Check timeout for other advertising types */
-    if ((params.getAdvertisingType() != GapAdvertisingParams::ADV_CONNECTABLE_DIRECTED) &&
-        (params.getTimeout() > GAP_ADV_PARAMS_TIMEOUT_MAX))
-    {
-        return BLE_ERROR_PARAM_OUT_OF_RANGE;
-    }
-
-    /* Make sure we don't exceed the advertising payload length */
-    if (advData.getPayloadLen() > GAP_ADVERTISING_DATA_MAX_PAYLOAD)
-    {
-        return BLE_ERROR_BUFFER_OVERFLOW;
-    }
-    
-    /* 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 */
-    /* contains a flags AD type, etc. */
-
-    /* ToDo: Refactor these actions into separate private functions */
-
-    /* 1.) Send advertising params, Command IDs = 0x000C, 0x000D, 0x000E */
-    /* A.) Command ID = 0x000C, Advertising Interval, uint16_t */
-    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 */
-    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 */
-    uart.printf("10 0E 00 01 %02X\r\n", (uint8_t)(params.getAdvertisingType()));
-    /* ToDo: Check response */
-    wait(0.5);    
-
-    /* 2.) Send advertising data, Command ID = 0x000A */
-    len = advData.getPayloadLen();
-    buffer = advData.getPayload();
-    uart.printf("10 0A 00 %02X", len);
-    for (uint16_t i = 0; i < len; i++)
-    {
-        uart.printf(" %02X", buffer[i]);
-    }
-    uart.printf("\r\n");
-    
-    /* ToDo: Check response */
-    wait(0.1);
-
-    /* 3.) Send scan response data, Command ID = 0x000B */
-    if ((params.getAdvertisingType() == GapAdvertisingParams::ADV_SCANNABLE_UNDIRECTED))
-    {
-        len = scanResponse.getPayloadLen();
-        buffer = scanResponse.getPayload();
-        uart.printf("10 0B 00 %02X", len);
-        for (uint16_t i = 0; i < len; i++)
-        {
-            uart.printf(" %02X", buffer[i]);
-        }
-        uart.printf("\r\n");
-
-        /* ToDo: Check response */
-        wait(0.1);
-    }
-    
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Adds a new service to the GATT table on the peripheral
-            
-    @returns    ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-                
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::addService(GattService & service)
-{
-    /* ToDo: Make sure we don't overflow the array, etc. */
-    /* ToDo: Make sure this service UUID doesn't already exist (?) */
-    /* ToDo: Basic validation */
-    
-    /* Add the service to the nRF51 */
-    if (service.primaryServiceID.type == UUID::UUID_TYPE_SHORT)
-    {
-        /* 16-bit BLE UUID */
-        uart.printf("10 01 00 04 01 02 %02X %02X\r\n",
-                    service.primaryServiceID.value & 0xFF,
-                    service.primaryServiceID.value >> 8);
-    }
-    else
-    {
-        /* 128-bit Custom UUID */
-        uart.printf("10 01 00 12 01 10 %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X\r\n",
-            service.primaryServiceID.base[0], 
-            service.primaryServiceID.base[1], 
-            service.primaryServiceID.base[2], 
-            service.primaryServiceID.base[3], 
-            service.primaryServiceID.base[4], 
-            service.primaryServiceID.base[5], 
-            service.primaryServiceID.base[6], 
-            service.primaryServiceID.base[7], 
-            service.primaryServiceID.base[8], 
-            service.primaryServiceID.base[9], 
-            service.primaryServiceID.base[10], 
-            service.primaryServiceID.base[11], 
-            service.primaryServiceID.base[12], 
-            service.primaryServiceID.base[13], 
-            service.primaryServiceID.base[14], 
-            service.primaryServiceID.base[15]);
-    }
-    
-    /* ToDo: Check response */
-    wait(0.1);
-    
-    /* Add characteristics to the service */
-    for (uint8_t i = 0; i < service.characteristicCount; i++)
-    {
-        /* Command ID = 0x0002 */
-        uart.printf("10 02 00 0F 01 02 %02X %02X 04 02 %02X %02X 05 02 %02X %02X 03 01 %02X\r\n",
-                    service.characteristics[i].uuid & 0xFF, 
-                    service.characteristics[i].uuid >> 8,
-                    service.characteristics[i].lenMin & 0xFF,
-                    service.characteristics[i].lenMin >> 8,
-                    service.characteristics[i].lenMax & 0xFF,
-                    service.characteristics[i].lenMax >> 8,
-                    service.characteristics[i].properties);
-                    
-        /* ToDo: Check response */
-        wait(0.1);
-        
-        /* Update the characteristic handle */
-        service.characteristics[i].handle = characteristicCount;
-        characteristicCount++;
-    }
-
-    /* Update the service handle */
-    service.handle = serviceCount;
-    serviceCount++;
-    
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Reads the value of a characteristic, based on the service
-            and characteristic index fields
-
-    @param[in]  charHandle
-                The handle of the GattCharacteristic to read from
-    @param[in]  buffer
-                Buffer to hold the the characteristic's value
-                (raw byte array in LSB format)
-    @param[in]  len
-                The number of bytes read into the buffer
-            
-    @returns    ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-                
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::readCharacteristic(uint8_t charHandle, uint8_t buffer[], uint16_t len)
-{
-    /* ToDo */
-    
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Updates the value of a characteristic, based on the service
-            and characteristic index fields
-
-    @param[in]  charHandle
-                The handle of the GattCharacteristic to write to
-    @param[in]  buffer
-                Data to use when updating the characteristic's value
-                (raw byte array in LSB format)
-    @param[in]  len
-                The number of bytes in buffer
-            
-    @returns    ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-                
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::writeCharacteristic(uint8_t charHandle, uint8_t buffer[], uint16_t len)
-{
-    /* Command ID = 0x0006, Payload = Characteristic ID, Value */
-    uart.printf("10 06 00 %02X %02X", len + 1, charHandle);
-    for (uint16_t i = 0; i<len; i++)
-    {
-        uart.printf(" %02X", buffer[i]);
-    }
-    uart.printf("\r\n");
-
-    /* ToDo: Check response */
-    wait(0.1);
-    
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Starts the BLE HW, initialising any services that were
-            added before this function was called.
-            
-    @note   All services must be added before calling this function!
-            
-    @returns    ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-                
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::start(void)
-{
-    /* Command ID = 0x0003, No payload */
-    uart.printf("10 03 00 00\r\n");
-
-    /* ToDo: Check response */
-    wait(0.5);
-
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Stops the BLE HW and disconnects from any devices
-            
-    @returns    ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-                
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::stop(void)
-{
-    /* Command ID = 0x0004, No payload */
-    uart.printf("10 04 00 00\r\n");
-
-    /* ToDo: Check response */
-    wait(0.1);
-
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Resets the BLE HW, removing any existing services and
-            characteristics
-            
-    @returns    ble_error_t
-    
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-                
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51822::reset(void)
-{
-    /* Command ID = 0x0005, No payload */
-    uart.printf("10 05 00 00\r\n");
-
-    /* Reset the service and characteristic counters */
-    serviceCount = 0;
-    characteristicCount = 0;
-
-    /* Wait for the radio to come back up */    
-    wait(1);
-    
-    return BLE_ERROR_NONE;
-}