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@25:96044c55f844, 2016-10-23 (annotated)

Committer:
jinu
Date:
Sun Oct 23 14:41:49 2016 +0000
Revision:
25:96044c55f844
Parent:
22:7980e0aa7938
Child:
31:d25111c2fa21
Code cleanup

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 */
jinu 15:67fbed00edf2 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"
jinu 15:67fbed00edf2 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)); }
jinu 15:67fbed00edf2 29
jinu 16:79b149aae10a 30 #define BLE_DEVICE_NAME "Ecolab"
jinu 15:67fbed00edf2 31
vidyasagarbhat 10:09d1a403eb14 32 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 33 /* Global Variables */
vidyasagarbhat 10:09d1a403eb14 34 /******************************************************************************/
jinu 16:79b149aae10a 35 extern void enable_interrupt_line(bool status,uint8_t pin_num );
jinu 12:c7a8a7fe76fd 36 void spi_slave_tx_data(uint8_t *tx_buf, uint8_t len);
vidyasagarbhat 10:09d1a403eb14 37 bool isDeviceConnected = false;
jinu 22:7980e0aa7938 38 bool init_success =false;
jinu 15:67fbed00edf2 39
jinu 11:b8e687d97537 40 #define DEBUG(STR) { if (uart) uart->write(STR, strlen(STR)); }
jinu 15:67fbed00edf2 41
vidyasagarbhat 10:09d1a403eb14 42 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 43 /* Static Variable Declarations */
vidyasagarbhat 10:09d1a403eb14 44 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 45 static BLEDevice ble;
vidyasagarbhat 10:09d1a403eb14 46 static UARTService *uart;
vidyasagarbhat 10:09d1a403eb14 47 static ble_data_ready_callback_t data_ready_cb;
jinu 15:67fbed00edf2 48
vidyasagarbhat 10:09d1a403eb14 49 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 50 /* Static Functions */
vidyasagarbhat 10:09d1a403eb14 51 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 52 /**
vidyasagarbhat 10:09d1a403eb14 53 * @brief Device Connection callback
vidyasagarbhat 10:09d1a403eb14 54 * @param
vidyasagarbhat 10:09d1a403eb14 55 * @retval
vidyasagarbhat 10:09d1a403eb14 56 */
vidyasagarbhat 10:09d1a403eb14 57 static void ble_connectionCallback(const Gap::ConnectionCallbackParams_t *params)
jinu 11:b8e687d97537 58 {
jinu 12:c7a8a7fe76fd 59 uint8_t tx_buf[4];
jinu 12:c7a8a7fe76fd 60 tx_buf[0] = 0x01;
jinu 12:c7a8a7fe76fd 61 tx_buf[1] = 0xA3;
jinu 12:c7a8a7fe76fd 62 tx_buf[2] = 0x00;
jinu 12:c7a8a7fe76fd 63 tx_buf[3] = 0x04;
jinu 14:dc3e3d327d7c 64 spi_slave_tx_data(tx_buf, 4);
vidyasagarbhat 10:09d1a403eb14 65 isDeviceConnected = true;
jinu 14:dc3e3d327d7c 66 toggle_led();
vidyasagarbhat 10:09d1a403eb14 67 }
jinu 15:67fbed00edf2 68
vidyasagarbhat 10:09d1a403eb14 69 /**
vidyasagarbhat 10:09d1a403eb14 70 * @brief Device disconnection callback
vidyasagarbhat 10:09d1a403eb14 71 * @param
vidyasagarbhat 10:09d1a403eb14 72 * @retval
vidyasagarbhat 10:09d1a403eb14 73 */
vidyasagarbhat 10:09d1a403eb14 74 static void ble_disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
jinu 11:b8e687d97537 75 {
jinu 12:c7a8a7fe76fd 76 uint8_t tx_buf[4];
jinu 12:c7a8a7fe76fd 77 tx_buf[0] = 0x01;
jinu 17:3fb1aafa4436 78 tx_buf[1] = 0xA8;
jinu 12:c7a8a7fe76fd 79 tx_buf[2] = 0x00;
jinu 12:c7a8a7fe76fd 80 tx_buf[3] = 0x04;
jinu 25:96044c55f844 81 spi_slave_tx_data(tx_buf, 4);
vidyasagarbhat 10:09d1a403eb14 82 isDeviceConnected = false;
vidyasagarbhat 10:09d1a403eb14 83 ble.startAdvertising();
vidyasagarbhat 10:09d1a403eb14 84 }
jinu 15:67fbed00edf2 85
vidyasagarbhat 10:09d1a403eb14 86 /**
vidyasagarbhat 10:09d1a403eb14 87 * @brief onDataWrittenCallback - On data received callback???
vidyasagarbhat 10:09d1a403eb14 88 * @param
vidyasagarbhat 10:09d1a403eb14 89 * @retval
vidyasagarbhat 10:09d1a403eb14 90 */
jinu 12:c7a8a7fe76fd 91 eStatus_t ble_send_data(uint8_t *tx_buf, uint8_t length);
jinu 12:c7a8a7fe76fd 92
vidyasagarbhat 10:09d1a403eb14 93 static void ble_dataReceiveCallback(const GattWriteCallbackParams *params)
vidyasagarbhat 10:09d1a403eb14 94 {
vidyasagarbhat 10:09d1a403eb14 95 uint8_t buf[32] = {0};
vidyasagarbhat 10:09d1a403eb14 96
vidyasagarbhat 10:09d1a403eb14 97 memcpy(buf, params->data, params->len);
jinu 25:96044c55f844 98 data_ready_cb(buf, params->len);
vidyasagarbhat 10:09d1a403eb14 99 }
jinu 15:67fbed00edf2 100
vidyasagarbhat 10:09d1a403eb14 101 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 102 /* Global Functions */
vidyasagarbhat 10:09d1a403eb14 103 /******************************************************************************/
jinu 11:b8e687d97537 104 void print(const char *msg)
jinu 11:b8e687d97537 105 {
jinu 11:b8e687d97537 106 DEBUG(msg);
jinu 11:b8e687d97537 107 }
vidyasagarbhat 10:09d1a403eb14 108 /**
vidyasagarbhat 10:09d1a403eb14 109 * @brief Initializes the BLE module
vidyasagarbhat 10:09d1a403eb14 110 * @param none
vidyasagarbhat 10:09d1a403eb14 111 * @retval none
vidyasagarbhat 10:09d1a403eb14 112 */
vidyasagarbhat 10:09d1a403eb14 113 void ble_init(void)
jinu 11:b8e687d97537 114 {
vidyasagarbhat 10:09d1a403eb14 115 ble.init();
vidyasagarbhat 10:09d1a403eb14 116 ble.onConnection(ble_connectionCallback);
vidyasagarbhat 10:09d1a403eb14 117 ble.onDisconnection(ble_disconnectionCallback);
vidyasagarbhat 10:09d1a403eb14 118 ble.onDataWritten(ble_dataReceiveCallback);
jinu 15:67fbed00edf2 119
vidyasagarbhat 10:09d1a403eb14 120 uart = new UARTService(ble);
jinu 15:67fbed00edf2 121
jinu 13:c42bd4ebbbfa 122 /* Setup advertising */
jinu 13:c42bd4ebbbfa 123 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
jinu 13:c42bd4ebbbfa 124 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
jinu 16:79b149aae10a 125 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
jinu 16:79b149aae10a 126 (const uint8_t *)BLE_DEVICE_NAME, sizeof(BLE_DEVICE_NAME) - 1);
jinu 13:c42bd4ebbbfa 127 ble.accumulateAdvertisingPayload(GapAdvertisingData::INCOMPLETE_LIST_128BIT_SERVICE_IDS,
jinu 13:c42bd4ebbbfa 128 (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
jinu 16:79b149aae10a 129 // ble.accumulateAdvertisingPayload(GapAdvertisingData::INCOMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
jinu 16:79b149aae10a 130 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
jinu 16:79b149aae10a 131
jinu 13:c42bd4ebbbfa 132 ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
vidyasagarbhat 10:09d1a403eb14 133 ble.startAdvertising();
jinu 22:7980e0aa7938 134
jinu 22:7980e0aa7938 135 init_success=true;
vidyasagarbhat 10:09d1a403eb14 136 }
jinu 15:67fbed00edf2 137
vidyasagarbhat 10:09d1a403eb14 138 /**
vidyasagarbhat 10:09d1a403eb14 139 * @brief Function used to register ble data receive callback
vidyasagarbhat 10:09d1a403eb14 140 * @param none
vidyasagarbhat 10:09d1a403eb14 141 * @retval none
vidyasagarbhat 10:09d1a403eb14 142 */
vidyasagarbhat 10:09d1a403eb14 143 void ble_data_rx_cb_register(ble_data_ready_callback_t data_rx_callback)
vidyasagarbhat 10:09d1a403eb14 144 {
vidyasagarbhat 10:09d1a403eb14 145 data_ready_cb = data_rx_callback;
vidyasagarbhat 10:09d1a403eb14 146 }
jinu 15:67fbed00edf2 147
vidyasagarbhat 10:09d1a403eb14 148 /**
vidyasagarbhat 10:09d1a403eb14 149 * @brief Send data over BLE UART
vidyasagarbhat 10:09d1a403eb14 150 * @param
vidyasagarbhat 10:09d1a403eb14 151 * @retval
vidyasagarbhat 10:09d1a403eb14 152 */
vidyasagarbhat 10:09d1a403eb14 153 eStatus_t ble_send_data(uint8_t *tx_buf, uint8_t length)
vidyasagarbhat 10:09d1a403eb14 154 {
vidyasagarbhat 10:09d1a403eb14 155 eStatus_t ret_code = eSuccess;
vidyasagarbhat 10:09d1a403eb14 156 if (isDeviceConnected) {
vidyasagarbhat 10:09d1a403eb14 157 uart->write(tx_buf, length);
vidyasagarbhat 10:09d1a403eb14 158 } else {
vidyasagarbhat 10:09d1a403eb14 159 ret_code = eFailure;
vidyasagarbhat 10:09d1a403eb14 160 }
vidyasagarbhat 10:09d1a403eb14 161 return ret_code;
vidyasagarbhat 10:09d1a403eb14 162 }
jinu 15:67fbed00edf2 163
vidyasagarbhat 10:09d1a403eb14 164 /**
vidyasagarbhat 10:09d1a403eb14 165 * @brief Wait for the BLE events
vidyasagarbhat 10:09d1a403eb14 166 * @param
vidyasagarbhat 10:09d1a403eb14 167 * @retval
vidyasagarbhat 10:09d1a403eb14 168 */
vidyasagarbhat 10:09d1a403eb14 169 void ble_event_wait(void)
vidyasagarbhat 10:09d1a403eb14 170 {
vidyasagarbhat 10:09d1a403eb14 171 ble.waitForEvent();
vidyasagarbhat 10:09d1a403eb14 172 }
jinu 15:67fbed00edf2 173
vidyasagarbhat 10:09d1a403eb14 174 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 175 /* END OF FILE */
vidyasagarbhat 10:09d1a403eb14 176 /******************************************************************************/
jinu 15:67fbed00edf2 177