From 9623775bc335594e54fb27af7af9e25346d9c2a1 Mon Sep 17 00:00:00 2001
From: robot9706 <robot9706@gmail.com>
Date: Fri, 9 Oct 2020 17:57:40 +0200
Subject: [PATCH] Config client MAC

---
 headphone_power_receiver/main.c          | 18 +++++++++++++-----
 taskbar_app/BatteryIndicator/Program.cs  | 11 +++++++++++
 taskbar_app/BatteryIndicator/config.json |  3 ++-
 3 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/headphone_power_receiver/main.c b/headphone_power_receiver/main.c
index b8eef84..8766569 100644
--- a/headphone_power_receiver/main.c
+++ b/headphone_power_receiver/main.c
@@ -20,10 +20,9 @@
 
 #define DEADBEEF 0xDEADBEEF
 
-#define CLIENT_MAC 0x7E, 0x92, 0xC2, 0xFB, 0x54, 0xC6
-
 static ble_gap_scan_params_t scan_parameters;
 
+static uint8_t clientMac[6];
 static bool sendData = false; // Flag to signal when to send data
 
 static void scan_start(void)
@@ -55,9 +54,8 @@ static void ble_evt_dispatch(ble_evt_t * p_ble_evt)
 			if (sendData)
 			{
 				const ble_gap_addr_t * const peer_addr  = &p_gap_evt->params.adv_report.peer_addr;
-				const uint8_t checkAddress[6] = { CLIENT_MAC };
-				
-				if (memcmp(peer_addr->addr, checkAddress, 6) == 0)
+
+				if (memcmp(peer_addr->addr, clientMac, 6) == 0)
 				{
 					uart_put(DATA_HEADER);
 					uart_put(p_gap_evt->params.adv_report.dlen);
@@ -123,6 +121,16 @@ int main(void)
 			switch (uart_read())
 			{
 				case COMMAND_ENABLE:
+				
+					while (uart_available() < 6) 
+					{
+						// Wait for MAC
+					}
+				
+					for (int x = 0; x < 6; x++)
+					{
+						clientMac[x] = uart_read();
+					}
 					sendData = true;
 					break;
 				case COMMAND_DISABLE:
diff --git a/taskbar_app/BatteryIndicator/Program.cs b/taskbar_app/BatteryIndicator/Program.cs
index 617ee8a..b0bd09e 100644
--- a/taskbar_app/BatteryIndicator/Program.cs
+++ b/taskbar_app/BatteryIndicator/Program.cs
@@ -64,6 +64,8 @@ static class Program
 
         private static DateTime lastCommunication;
 
+        private static byte[] clientMac;
+
         [STAThread]
         static void Main()
         {
@@ -71,6 +73,11 @@ static void Main()
             {
                 Config config = JsonConvert.DeserializeObject<Config>(File.ReadAllText("config.json"));
 
+                clientMac = config.ClientMac.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
+                    .Select(x => x.Trim())
+                    .Select(x => Convert.ToByte(x, 16))
+                    .ToArray();
+
                 notifyIcon = new NotifyIcon();
                 notifyIcon.Icon = Resources.battery_unknown;
 
@@ -165,6 +172,7 @@ static void Threa_IconHelper()
         static void Thread_SerialRead()
         {
             serialPort.Write(new byte[] { 0xAF }, 0, 1); // Begin command
+            serialPort.Write(clientMac, 0, clientMac.Length); // Source MAC
             serialPort.BaseStream.Flush();
 
             while (true)
@@ -235,5 +243,8 @@ class Config
 
         [JsonProperty("baud")]
         public int Baud { get; private set; }
+
+        [JsonProperty("client_mac")]
+        public string ClientMac { get; private set; }
     }
 }
diff --git a/taskbar_app/BatteryIndicator/config.json b/taskbar_app/BatteryIndicator/config.json
index f3c14cf..5e63ef2 100644
--- a/taskbar_app/BatteryIndicator/config.json
+++ b/taskbar_app/BatteryIndicator/config.json
@@ -1,4 +1,5 @@
 {
   "port": "COM9",
-  "baud": 115200
+  "baud": 115200,
+  "client_mac": "0x7E, 0x92, 0xC2, 0xFB, 0x54, 0xC6"
 }
\ No newline at end of file