Delta
Using BLE to control WIFI configuration as SSID and PW.
Dependencies: BLE_API WIFI_API_32kRAM mbed nRF51822
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Delta
BLE_WIFIControl enables user to setup Wifi connection via BLE link. Here is iPhone app that teaches you how to use this BLE_WIFIControl example. /media/uploads/Marcomissyou/ios_app_for_wifi_configure.pdf
Diff: BLEControlWIFIService.h
- Revision:
- 7:5d82c92ec2a3
- Child:
- 8:d39bc94f139b
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/BLEControlWIFIService.h Mon May 18 07:13:04 2015 +0000
@@ -0,0 +1,98 @@
+#ifndef __BLE_HEART_RATE_SERVICE_H__
+#define __BLE_HEART_RATE_SERVICE_H__
+
+#include "BLEDevice.h"
+#include "WIFIDevice.h"
+
+static const uint8_t UUID_WIFI_CONFIGURATION_SERVICE[] = { 0x44, 0x38, 0x70, 0x22, 0x40, 0x02, 0x11, 0xe4, 0x85, 0x14, 0x16, 0x42, 0x30, 0xd1, 0xdf, 0x67 };
+static const uint8_t UUID_CONNECTION_STATUS_CHAR[] = { 0x44, 0x38, 0x73, 0x7e, 0x40, 0x02, 0x11, 0xe4, 0x85, 0x14, 0x16, 0x42, 0x30, 0xd1, 0xdf, 0x67 };
+static const uint8_t UUID_SSID_INFO_CHAR[] = { 0x44, 0x38, 0x75, 0xd6, 0x40, 0x02, 0x11, 0xe4, 0x85, 0x14, 0x16, 0x42, 0x30, 0xd1, 0xdf, 0x67 };
+static const uint8_t UUID_NETWORK_SECURITY_PASSWORD_CHAR[] = { 0x44, 0x38, 0x78, 0x1a, 0x40, 0x02, 0x11, 0xe4, 0x85, 0x14, 0x16, 0x42, 0x30, 0xd1, 0xdf, 0x67 };
+
+static const uint8_t MAX_PAYLOAD_SIZE = 20;
+
+class BLEControlWIFIService {
+public:
+ bool is_config;
+ char *ssid;
+ uint8_t uint_ssid[20];
+ char *pw;
+ uint8_t uint_pw[20];
+
+public:
+
+ BLEControlWIFIService(BLEDevice &_ble, WIFIDevice &_wifi) :
+ ble(_ble),
+ wifi(_wifi),
+ is_config(false),
+ statusCharacteristic(UUID_CONNECTION_STATUS_CHAR, statusPayload, 1, MAX_PAYLOAD_SIZE,
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
+ ssidCharacteristic (UUID_SSID_INFO_CHAR, ssidPayload, 1, MAX_PAYLOAD_SIZE,
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ),
+ pwCharacteristic (UUID_NETWORK_SECURITY_PASSWORD_CHAR, statusPayload, 1, MAX_PAYLOAD_SIZE,
+ GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_WRITE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ)
+ {
+ setupService();
+ }
+
+
+ virtual void onDataWritten(const GattCharacteristicWriteCBParams *params) {
+ uint8_t rssi, i;
+ uint16_t bytesRead = params->len;
+ if (params->charHandle == statusCharacteristic.getValueAttribute().getHandle()) {
+ memcpy(statusPayload, params->data, bytesRead);
+
+ ble.updateCharacteristicValue(statusCharacteristic.getValueAttribute().getHandle(), statusPayload, bytesRead);
+ } else if (params->charHandle == ssidCharacteristic.getValueAttribute().getHandle()) {
+ rssi = ssidPayload[0];
+ for(i=1; i<bytesRead; i++)
+ uint_ssid[i-1] = params->data[i];
+ uint_ssid[bytesRead-1] = '\0';
+ ssid = (char*) uint_ssid;
+ memcpy(ssidPayload, params->data, bytesRead);
+
+ ssidPayload[0] = rssi; // Added by Tsungta, restore RSSI value
+ ble.updateCharacteristicValue(ssidCharacteristic.getValueAttribute().getHandle(), ssidPayload, bytesRead);
+ } else if (params->charHandle == pwCharacteristic.getValueAttribute().getHandle()) {
+ for(i=1; i<bytesRead; i++)
+ uint_pw[i-1] = params->data[i];
+ uint_pw[bytesRead-1] = '\0';
+ pw = (char*) uint_pw;
+ memcpy(pwPayload, params->data, bytesRead);
+ ble.updateCharacteristicValue(pwCharacteristic.getValueAttribute().getHandle(), pwPayload, bytesRead);
+ wifi.setNetwork(ssid, pw, 0);
+ is_config = true;
+ }
+ }
+
+
+private:
+ void setupService(void) {
+ static bool serviceAdded = false; /* We should only ever need to add the heart rate service once. */
+ if (serviceAdded) {
+ return;
+ }
+
+ GattCharacteristic *charTable[] = {&statusCharacteristic, &ssidCharacteristic, &pwCharacteristic};
+ GattService BLEWIFIService(UUID_WIFI_CONFIGURATION_SERVICE, charTable, sizeof(charTable) / sizeof(GattCharacteristic *));
+
+ ble.addService(BLEWIFIService);
+ serviceAdded = true;
+
+ ble.onDataWritten(this, &BLEControlWIFIService::onDataWritten);
+ }
+
+
+private:
+ BLEDevice &ble;
+ WIFIDevice &wifi;
+ uint8_t statusPayload[MAX_PAYLOAD_SIZE];
+ uint8_t ssidPayload[MAX_PAYLOAD_SIZE];
+ uint8_t pwPayload[MAX_PAYLOAD_SIZE];
+
+ GattCharacteristic statusCharacteristic;
+ GattCharacteristic ssidCharacteristic;
+ GattCharacteristic pwCharacteristic;
+};
+
+#endif /* #ifndef __BLE_HEART_RATE_SERVICE_H__*/
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