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@11:b8e687d97537, 2016-10-06 (annotated)

Committer:
jinu
Date:
Thu Oct 06 09:42:38 2016 +0000
Revision:
11:b8e687d97537
Parent:
10:09d1a403eb14
Child:
12:c7a8a7fe76fd
woeking slave code

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 );
vidyasagarbhat 10:09d1a403eb14 37 bool isDeviceConnected = false;
vidyasagarbhat 10:09d1a403eb14 38
jinu 11:b8e687d97537 39
jinu 11:b8e687d97537 40 #define DEBUG(STR) { if (uart) uart->write(STR, strlen(STR)); }
jinu 11:b8e687d97537 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;
vidyasagarbhat 10:09d1a403eb14 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 {
vidyasagarbhat 10:09d1a403eb14 59 isDeviceConnected = true;
jinu 11:b8e687d97537 60 enable_interrupt_line(true);
jinu 11:b8e687d97537 61 //toggle_led();
vidyasagarbhat 10:09d1a403eb14 62 }
vidyasagarbhat 10:09d1a403eb14 63
vidyasagarbhat 10:09d1a403eb14 64 /**
vidyasagarbhat 10:09d1a403eb14 65 * @brief Device disconnection callback
vidyasagarbhat 10:09d1a403eb14 66 * @param
vidyasagarbhat 10:09d1a403eb14 67 * @retval
vidyasagarbhat 10:09d1a403eb14 68 */
vidyasagarbhat 10:09d1a403eb14 69 static void ble_disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
jinu 11:b8e687d97537 70 {
vidyasagarbhat 10:09d1a403eb14 71 isDeviceConnected = false;
jinu 11:b8e687d97537 72 //toggle_led();
jinu 11:b8e687d97537 73 enable_interrupt_line(false);
vidyasagarbhat 10:09d1a403eb14 74 ble.startAdvertising();
vidyasagarbhat 10:09d1a403eb14 75 }
vidyasagarbhat 10:09d1a403eb14 76
vidyasagarbhat 10:09d1a403eb14 77 /**
vidyasagarbhat 10:09d1a403eb14 78 * @brief onDataWrittenCallback - On data received callback???
vidyasagarbhat 10:09d1a403eb14 79 * @param
vidyasagarbhat 10:09d1a403eb14 80 * @retval
vidyasagarbhat 10:09d1a403eb14 81 */
vidyasagarbhat 10:09d1a403eb14 82 static void ble_dataReceiveCallback(const GattWriteCallbackParams *params)
vidyasagarbhat 10:09d1a403eb14 83 {
jinu 11:b8e687d97537 84
vidyasagarbhat 10:09d1a403eb14 85 uint8_t buf[32] = {0};
vidyasagarbhat 10:09d1a403eb14 86
vidyasagarbhat 10:09d1a403eb14 87 memcpy(buf, params->data, params->len);
vidyasagarbhat 10:09d1a403eb14 88
vidyasagarbhat 10:09d1a403eb14 89 if (data_ready_cb != NULL) {
vidyasagarbhat 10:09d1a403eb14 90 data_ready_cb(buf, sizeof(buf));
vidyasagarbhat 10:09d1a403eb14 91 }
jinu 11:b8e687d97537 92
vidyasagarbhat 10:09d1a403eb14 93 }
vidyasagarbhat 10:09d1a403eb14 94
vidyasagarbhat 10:09d1a403eb14 95 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 96 /* Global Functions */
vidyasagarbhat 10:09d1a403eb14 97 /******************************************************************************/
jinu 11:b8e687d97537 98 void print(const char *msg)
jinu 11:b8e687d97537 99 {
jinu 11:b8e687d97537 100 DEBUG(msg);
jinu 11:b8e687d97537 101 }
vidyasagarbhat 10:09d1a403eb14 102 /**
vidyasagarbhat 10:09d1a403eb14 103 * @brief Initializes the BLE module
vidyasagarbhat 10:09d1a403eb14 104 * @param none
vidyasagarbhat 10:09d1a403eb14 105 * @retval none
vidyasagarbhat 10:09d1a403eb14 106 */
vidyasagarbhat 10:09d1a403eb14 107 void ble_init(void)
jinu 11:b8e687d97537 108 {
vidyasagarbhat 10:09d1a403eb14 109 ble.init();
vidyasagarbhat 10:09d1a403eb14 110 ble.onConnection(ble_connectionCallback);
vidyasagarbhat 10:09d1a403eb14 111 ble.onDisconnection(ble_disconnectionCallback);
vidyasagarbhat 10:09d1a403eb14 112 ble.onDataWritten(ble_dataReceiveCallback);
vidyasagarbhat 10:09d1a403eb14 113
vidyasagarbhat 10:09d1a403eb14 114 uart = new UARTService(ble);
vidyasagarbhat 10:09d1a403eb14 115
vidyasagarbhat 10:09d1a403eb14 116 /* setup advertising */
vidyasagarbhat 10:09d1a403eb14 117 ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
vidyasagarbhat 10:09d1a403eb14 118 ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
vidyasagarbhat 10:09d1a403eb14 119 ble.accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
jinu 11:b8e687d97537 120 (const uint8_t *)BLE_DEVICE_NAME, sizeof(BLE_DEVICE_NAME) - 1);
vidyasagarbhat 10:09d1a403eb14 121 ble.accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_128BIT_SERVICE_IDS,
vidyasagarbhat 10:09d1a403eb14 122 (const uint8_t *)UARTServiceUUID_reversed, sizeof(UARTServiceUUID_reversed));
vidyasagarbhat 10:09d1a403eb14 123
vidyasagarbhat 10:09d1a403eb14 124 ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
vidyasagarbhat 10:09d1a403eb14 125 ble.startAdvertising();
vidyasagarbhat 10:09d1a403eb14 126 }
vidyasagarbhat 10:09d1a403eb14 127
vidyasagarbhat 10:09d1a403eb14 128 /**
vidyasagarbhat 10:09d1a403eb14 129 * @brief Function used to register ble data receive callback
vidyasagarbhat 10:09d1a403eb14 130 * @param none
vidyasagarbhat 10:09d1a403eb14 131 * @retval none
vidyasagarbhat 10:09d1a403eb14 132 */
vidyasagarbhat 10:09d1a403eb14 133 void ble_data_rx_cb_register(ble_data_ready_callback_t data_rx_callback)
vidyasagarbhat 10:09d1a403eb14 134 {
vidyasagarbhat 10:09d1a403eb14 135 data_ready_cb = data_rx_callback;
vidyasagarbhat 10:09d1a403eb14 136 }
vidyasagarbhat 10:09d1a403eb14 137
vidyasagarbhat 10:09d1a403eb14 138 /**
vidyasagarbhat 10:09d1a403eb14 139 * @brief Send data over BLE UART
vidyasagarbhat 10:09d1a403eb14 140 * @param
vidyasagarbhat 10:09d1a403eb14 141 * @retval
vidyasagarbhat 10:09d1a403eb14 142 */
vidyasagarbhat 10:09d1a403eb14 143 eStatus_t ble_send_data(uint8_t *tx_buf, uint8_t length)
vidyasagarbhat 10:09d1a403eb14 144 {
vidyasagarbhat 10:09d1a403eb14 145 eStatus_t ret_code = eSuccess;
vidyasagarbhat 10:09d1a403eb14 146 if (isDeviceConnected) {
vidyasagarbhat 10:09d1a403eb14 147 uart->write(tx_buf, length);
vidyasagarbhat 10:09d1a403eb14 148 } else {
vidyasagarbhat 10:09d1a403eb14 149 ret_code = eFailure;
vidyasagarbhat 10:09d1a403eb14 150 }
vidyasagarbhat 10:09d1a403eb14 151 return ret_code;
vidyasagarbhat 10:09d1a403eb14 152 }
vidyasagarbhat 10:09d1a403eb14 153
vidyasagarbhat 10:09d1a403eb14 154 /**
vidyasagarbhat 10:09d1a403eb14 155 * @brief Wait for the BLE events
vidyasagarbhat 10:09d1a403eb14 156 * @param
vidyasagarbhat 10:09d1a403eb14 157 * @retval
vidyasagarbhat 10:09d1a403eb14 158 */
vidyasagarbhat 10:09d1a403eb14 159 void ble_event_wait(void)
vidyasagarbhat 10:09d1a403eb14 160 {
vidyasagarbhat 10:09d1a403eb14 161 ble.waitForEvent();
vidyasagarbhat 10:09d1a403eb14 162 }
vidyasagarbhat 10:09d1a403eb14 163
vidyasagarbhat 10:09d1a403eb14 164 /******************************************************************************/
vidyasagarbhat 10:09d1a403eb14 165 /* END OF FILE */
vidyasagarbhat 10:09d1a403eb14 166 /******************************************************************************/