Add I2C offset that configures the dedicated keyboard and mouse slave…

… addresses
X16Community · Jan 18, 2024 · 78b9ad1 · 78b9ad1
1 parent 8fa51db
commit 78b9ad1
Show file tree

Hide file tree

Showing 3 changed files with 20 additions and 0 deletions.
diff --git a/smc_wire.cpp b/smc_wire.cpp
@@ -175,6 +175,14 @@ uint8_t SmcWire::read() {
   return value;
 }
 
+void SmcWire::setKeyboardAddress(uint8_t addr) {
+  kbd_address = addr;
+}
+
+void SmcWire::setMouseAddress(uint8_t addr) {
+  mse_address = addr;
+}
+
 
 /*
    USI Interrupt Handlers

diff --git a/smc_wire.h b/smc_wire.h
@@ -13,4 +13,6 @@ class SmcWire {
     void write(uint8_t value);
     uint8_t available();
     uint8_t read();
+    void setKeyboardAddress(uint8_t);
+    void setMouseAddress(uint8_t);
 };
diff --git a/x16-smc.ino b/x16-smc.ino
@@ -68,9 +68,11 @@
 #define CMD_GET_KBD_STATUS     0x18
 #define CMD_KBD_CMD1           0x19
 #define CMD_KBD_CMD2           0x1a
+#define CMD_KBD_SET_ADDRESS    0x1b
 #define CMD_SET_MOUSE_ID       0x20
 #define CMD_GET_MOUSE_MOV      0x21
 #define CMD_GET_MOUSE_ID       0x22
+#define CMD_SET_MOUSE_ADDRESS  0x23
 #define CMD_GET_VER1           0x30
 #define CMD_GET_VER2           0x31
 #define CMD_GET_VER3           0x32
@@ -421,10 +423,18 @@ void I2C_Receive(int) {
       }
       break;
 
+    case CMD_KBD_SET_ADDRESS:
+      smcWire.setKeyboardAddress(I2C_Data[1]);
+      break;
+
     case CMD_SET_MOUSE_ID:
       mouseSetRequestedId(I2C_Data[1]);
       break;
 
+    case CMD_SET_MOUSE_ADDRESS:
+      smcWire.setMouseAddress(I2C_Data[1]);
+      break;
+
     case CMD_BOOTLDR_START:
       if (I2C_Data[1] == 0x31) {
         bootloaderTimer = 2000;