Erick / Mbed 2 deprecated Nano_BLE

BLE Nano Code.Tested with Integrated mDot code

Dependencies:   BLE_API mbed nRF51822

Fork of eco_Labs_ble_Client by Happiest

ble_uart.cpp@14:dc3e3d327d7c, 2016-10-07 (annotated)

Committer:
jinu
Date:
Fri Oct 07 10:10:17 2016 +0000
Revision:
14:dc3e3d327d7c
Parent:
13:c42bd4ebbbfa
Child:
15:67fbed00edf2
working with ios

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vidyasagarbhat 10:09d1a403eb14 1 /**
vidyasagarbhat 10:09d1a403eb14 2 ******************************************************************************
vidyasagarbhat 10:09d1a403eb14 3 * @file ble_uart.cpp
vidyasagarbhat 10:09d1a403eb14 4 * @author Happiesstminds Firmware Team
vidyasagarbhat 10:09d1a403eb14 5 * @version v1.0
vidyasagarbhat 10:09d1a403eb14 6 * @date 4-Oct-2016
vidyasagarbhat 10:09d1a403eb14 7 * @brief
vidyasagarbhat 10:09d1a403eb14 8 *
vidyasagarbhat 10:09d1a403eb14 9 ******************************************************************************
vidyasagarbhat 10:09d1a403eb14 10 * @attention
vidyasagarbhat 10:09d1a403eb14 11 *
vidyasagarbhat 10:09d1a403eb14 12 *
vidyasagarbhat 10:09d1a403eb14 13 ******************************************************************************
vidyasagarbhat 10:09d1a403eb14 14 */
vidyasagarbhat 10:09d1a403eb14 15
vidyasagarbhat 10:09d1a403eb14 16 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 17 /* Include Files*/
vidyasagarbhat 10:09d1a403eb14 18 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 19 #include <string.h>
vidyasagarbhat 10:09d1a403eb14 20 #include "mbed.h"
vidyasagarbhat 10:09d1a403eb14 21 #include "BLE.h"
vidyasagarbhat 10:09d1a403eb14 22 #include "ble_types.h"
vidyasagarbhat 10:09d1a403eb14 23 #include "UARTService.h"
vidyasagarbhat 10:09d1a403eb14 24
vidyasagarbhat 10:09d1a403eb14 25 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 26 /* Local Defines */
vidyasagarbhat 10:09d1a403eb14 27 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 28 #define DEBUG(STR) { if (uart) uart->write(STR, strlen(STR)); }
vidyasagarbhat 10:09d1a403eb14 29
jinu 11:b8e687d97537 30 #define BLE_DEVICE_NAME "Ecolab-ICE"
jinu 11:b8e687d97537 31
vidyasagarbhat 10:09d1a403eb14 32 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 33 /* Global Variables */
vidyasagarbhat 10:09d1a403eb14 34 /******************************************************************************/
jinu 11:b8e687d97537 35
jinu 11:b8e687d97537 36 extern void enable_interrupt_line(bool status );
jinu 12:c7a8a7fe76fd 37 extern void enable_interrupt_line(bool status );
jinu 12:c7a8a7fe76fd 38 void spi_slave_tx_data(uint8_t *tx_buf, uint8_t len);
vidyasagarbhat 10:09d1a403eb14 39 bool isDeviceConnected = false;
vidyasagarbhat 10:09d1a403eb14 40
jinu 11:b8e687d97537 41
jinu 11:b8e687d97537 42 #define DEBUG(STR) { if (uart) uart->write(STR, strlen(STR)); }
jinu 11:b8e687d97537 43
vidyasagarbhat 10:09d1a403eb14 44 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 45 /* Static Variable Declarations */
vidyasagarbhat 10:09d1a403eb14 46 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 47 static BLEDevice ble;
vidyasagarbhat 10:09d1a403eb14 48 static UARTService *uart;
vidyasagarbhat 10:09d1a403eb14 49 static ble_data_ready_callback_t data_ready_cb;
vidyasagarbhat 10:09d1a403eb14 50
vidyasagarbhat 10:09d1a403eb14 51 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 52 /* Static Functions */
vidyasagarbhat 10:09d1a403eb14 53 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 54 /**
vidyasagarbhat 10:09d1a403eb14 55 * @brief Device Connection callback
vidyasagarbhat 10:09d1a403eb14 56 * @param
vidyasagarbhat 10:09d1a403eb14 57 * @retval
vidyasagarbhat 10:09d1a403eb14 58 */
vidyasagarbhat 10:09d1a403eb14 59 static void ble_connectionCallback(const Gap::ConnectionCallbackParams_t *params)
jinu 11:b8e687d97537 60 {
jinu 12:c7a8a7fe76fd 61 uint8_t tx_buf[4];
jinu 12:c7a8a7fe76fd 62 tx_buf[0] = 0x01;
jinu 12:c7a8a7fe76fd 63 tx_buf[1] = 0xA3;
jinu 12:c7a8a7fe76fd 64 tx_buf[2] = 0x00;
jinu 12:c7a8a7fe76fd 65 tx_buf[3] = 0x04;
jinu 14:dc3e3d327d7c 66 spi_slave_tx_data(tx_buf, 4);
vidyasagarbhat 10:09d1a403eb14 67 isDeviceConnected = true;
jinu 12:c7a8a7fe76fd 68 // enable_interrupt_line(true);
jinu 14:dc3e3d327d7c 69 toggle_led();
vidyasagarbhat 10:09d1a403eb14 70 }
vidyasagarbhat 10:09d1a403eb14 71
vidyasagarbhat 10:09d1a403eb14 72 /**
vidyasagarbhat 10:09d1a403eb14 73 * @brief Device disconnection callback
vidyasagarbhat 10:09d1a403eb14 74 * @param
vidyasagarbhat 10:09d1a403eb14 75 * @retval
vidyasagarbhat 10:09d1a403eb14 76 */
vidyasagarbhat 10:09d1a403eb14 77 static void ble_disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
jinu 11:b8e687d97537 78 {
jinu 12:c7a8a7fe76fd 79 uint8_t tx_buf[4];
jinu 12:c7a8a7fe76fd 80 tx_buf[0] = 0x01;
jinu 12:c7a8a7fe76fd 81 tx_buf[1] = 0xA6;
jinu 12:c7a8a7fe76fd 82 tx_buf[2] = 0x00;
jinu 12:c7a8a7fe76fd 83 tx_buf[3] = 0x04;
jinu 12:c7a8a7fe76fd 84 spi_slave_tx_data(tx_buf, 4);
jinu 12:c7a8a7fe76fd 85
vidyasagarbhat 10:09d1a403eb14 86 isDeviceConnected = false;
jinu 11:b8e687d97537 87 //toggle_led();
jinu 12:c7a8a7fe76fd 88 // enable_interrupt_line(false);
vidyasagarbhat 10:09d1a403eb14 89 ble.startAdvertising();
vidyasagarbhat 10:09d1a403eb14 90 }
vidyasagarbhat 10:09d1a403eb14 91
vidyasagarbhat 10:09d1a403eb14 92 /**
vidyasagarbhat 10:09d1a403eb14 93 * @brief onDataWrittenCallback - On data received callback???
vidyasagarbhat 10:09d1a403eb14 94 * @param
vidyasagarbhat 10:09d1a403eb14 95 * @retval
vidyasagarbhat 10:09d1a403eb14 96 */
jinu 12:c7a8a7fe76fd 97 eStatus_t ble_send_data(uint8_t *tx_buf, uint8_t length);
jinu 12:c7a8a7fe76fd 98
vidyasagarbhat 10:09d1a403eb14 99 static void ble_dataReceiveCallback(const GattWriteCallbackParams *params)
vidyasagarbhat 10:09d1a403eb14 100 {
jinu 11:b8e687d97537 101
vidyasagarbhat 10:09d1a403eb14 102 uint8_t buf[32] = {0};
vidyasagarbhat 10:09d1a403eb14 103
vidyasagarbhat 10:09d1a403eb14 104 memcpy(buf, params->data, params->len);
vidyasagarbhat 10:09d1a403eb14 105
vidyasagarbhat 10:09d1a403eb14 106 if (data_ready_cb != NULL) {
vidyasagarbhat 10:09d1a403eb14 107 data_ready_cb(buf, sizeof(buf));
vidyasagarbhat 10:09d1a403eb14 108 }
jinu 12:c7a8a7fe76fd 109
jinu 12:c7a8a7fe76fd 110 ble_send_data((uint8_t *)params->data, params->len);
jinu 11:b8e687d97537 111
vidyasagarbhat 10:09d1a403eb14 112 }
vidyasagarbhat 10:09d1a403eb14 113
vidyasagarbhat 10:09d1a403eb14 114 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 115 /* Global Functions */
vidyasagarbhat 10:09d1a403eb14 116 /******************************************************************************/
jinu 11:b8e687d97537 117 void print(const char *msg)
jinu 11:b8e687d97537 118 {
jinu 11:b8e687d97537 119 DEBUG(msg);
jinu 11:b8e687d97537 120 }
vidyasagarbhat 10:09d1a403eb14 121 /**
vidyasagarbhat 10:09d1a403eb14 122 * @brief Initializes the BLE module
vidyasagarbhat 10:09d1a403eb14 123 * @param none
vidyasagarbhat 10:09d1a403eb14 124 * @retval none
vidyasagarbhat 10:09d1a403eb14 125 */
vidyasagarbhat 10:09d1a403eb14 126 void ble_init(void)
jinu 11:b8e687d97537 127 {
vidyasagarbhat 10:09d1a403eb14 128 ble.init();
vidyasagarbhat 10:09d1a403eb14 129 ble.onConnection(ble_connectionCallback);
vidyasagarbhat 10:09d1a403eb14 130 ble.onDisconnection(ble_disconnectionCallback);
vidyasagarbhat 10:09d1a403eb14 131 ble.onDataWritten(ble_dataReceiveCallback);
vidyasagarbhat 10:09d1a403eb14 132
vidyasagarbhat 10:09d1a403eb14 133 uart = new UARTService(ble);
jinu 13:c42bd4ebbbfa 134 #if 0
vidyasagarbhat 10:09d1a403eb14 135 /* setup advertising */
vidyasagarbhat 10:09d1a403eb14 136 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
vidyasagarbhat 10:09d1a403eb14 137 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
vidyasagarbhat 10:09d1a403eb14 138 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
jinu 11:b8e687d97537 139 (const uint8_t *)BLE_DEVICE_NAME, sizeof(BLE_DEVICE_NAME) - 1);
vidyasagarbhat 10:09d1a403eb14 140 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
vidyasagarbhat 10:09d1a403eb14 141 (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
vidyasagarbhat 10:09d1a403eb14 142
vidyasagarbhat 10:09d1a403eb14 143 ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
jinu 13:c42bd4ebbbfa 144 #endif
jinu 13:c42bd4ebbbfa 145
jinu 13:c42bd4ebbbfa 146 /* Setup advertising */
jinu 13:c42bd4ebbbfa 147 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
jinu 13:c42bd4ebbbfa 148 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
jinu 13:c42bd4ebbbfa 149 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
jinu 13:c42bd4ebbbfa 150 (const uint8_t *)"BLE UART", sizeof("BLE UART") - 1);
jinu 13:c42bd4ebbbfa 151 ble.accumulateAdvertisingPayload(GapAdvertisingData::INCOMPLETE_LIST_128BIT_SERVICE_IDS,
jinu 13:c42bd4ebbbfa 152 (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
jinu 13:c42bd4ebbbfa 153 ble.accumulateAdvertisingPayload(GapAdvertisingData::INCOMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
jinu 13:c42bd4ebbbfa 154 ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
vidyasagarbhat 10:09d1a403eb14 155 ble.startAdvertising();
vidyasagarbhat 10:09d1a403eb14 156 }
vidyasagarbhat 10:09d1a403eb14 157
vidyasagarbhat 10:09d1a403eb14 158 /**
vidyasagarbhat 10:09d1a403eb14 159 * @brief Function used to register ble data receive callback
vidyasagarbhat 10:09d1a403eb14 160 * @param none
vidyasagarbhat 10:09d1a403eb14 161 * @retval none
vidyasagarbhat 10:09d1a403eb14 162 */
vidyasagarbhat 10:09d1a403eb14 163 void ble_data_rx_cb_register(ble_data_ready_callback_t data_rx_callback)
vidyasagarbhat 10:09d1a403eb14 164 {
vidyasagarbhat 10:09d1a403eb14 165 data_ready_cb = data_rx_callback;
vidyasagarbhat 10:09d1a403eb14 166 }
vidyasagarbhat 10:09d1a403eb14 167
vidyasagarbhat 10:09d1a403eb14 168 /**
vidyasagarbhat 10:09d1a403eb14 169 * @brief Send data over BLE UART
vidyasagarbhat 10:09d1a403eb14 170 * @param
vidyasagarbhat 10:09d1a403eb14 171 * @retval
vidyasagarbhat 10:09d1a403eb14 172 */
vidyasagarbhat 10:09d1a403eb14 173 eStatus_t ble_send_data(uint8_t *tx_buf, uint8_t length)
vidyasagarbhat 10:09d1a403eb14 174 {
vidyasagarbhat 10:09d1a403eb14 175 eStatus_t ret_code = eSuccess;
vidyasagarbhat 10:09d1a403eb14 176 if (isDeviceConnected) {
vidyasagarbhat 10:09d1a403eb14 177 uart->write(tx_buf, length);
vidyasagarbhat 10:09d1a403eb14 178 } else {
vidyasagarbhat 10:09d1a403eb14 179 ret_code = eFailure;
vidyasagarbhat 10:09d1a403eb14 180 }
vidyasagarbhat 10:09d1a403eb14 181 return ret_code;
vidyasagarbhat 10:09d1a403eb14 182 }
vidyasagarbhat 10:09d1a403eb14 183
vidyasagarbhat 10:09d1a403eb14 184 /**
vidyasagarbhat 10:09d1a403eb14 185 * @brief Wait for the BLE events
vidyasagarbhat 10:09d1a403eb14 186 * @param
vidyasagarbhat 10:09d1a403eb14 187 * @retval
vidyasagarbhat 10:09d1a403eb14 188 */
vidyasagarbhat 10:09d1a403eb14 189 void ble_event_wait(void)
vidyasagarbhat 10:09d1a403eb14 190 {
vidyasagarbhat 10:09d1a403eb14 191 ble.waitForEvent();
vidyasagarbhat 10:09d1a403eb14 192 }
vidyasagarbhat 10:09d1a403eb14 193
vidyasagarbhat 10:09d1a403eb14 194 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 195 /* END OF FILE */
vidyasagarbhat 10:09d1a403eb14 196 /******************************************************************************/