From fcebf2215f34a5197cc850b3146d10ca57f10d15 Mon Sep 17 00:00:00 2001
From: tmk <hasu@tmk-kbd.com>
Date: Mon, 11 May 2020 13:24:31 +0900
Subject: [PATCH] ibmpc_usb: Add protocol and isr_debug check

---
 converter/ibmpc_usb/ibmpc_usb.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/converter/ibmpc_usb/ibmpc_usb.c b/converter/ibmpc_usb/ibmpc_usb.c
index 99e65a4a..007ab0ba 100644
--- a/converter/ibmpc_usb/ibmpc_usb.c
+++ b/converter/ibmpc_usb/ibmpc_usb.c
@@ -105,6 +105,7 @@ void matrix_init(void)
  *      d. ID is BF BF: Terminal keyboard CodeSet3
  *      e. error on recv: maybe broken PS/2
  */
+uint8_t current_protocol = 0;
 uint16_t keyboard_id = 0x0000;
 keyboard_kind_t keyboard_kind = NONE;
 uint8_t matrix_scan(void)
@@ -141,6 +142,18 @@ uint8_t matrix_scan(void)
         ibmpc_error = IBMPC_ERR_NONE;
     }
 
+    // check ISR state debug
+    if (ibmpc_isr_debug) {
+        xprintf("\nISR:%04X\n", ibmpc_isr_debug);
+        ibmpc_isr_debug = 0;
+    }
+
+    // check protocol AT/XT
+    if (ibmpc_protocol != current_protocol) {
+        xprintf("\nPROTO:%02X\n", ibmpc_protocol);
+        current_protocol = ibmpc_protocol;
+    }
+
     switch (state) {
         case INIT:
             xprintf("I%u ", timer_read());
-- 
2.46.2