CDCh host: further work on CH340/CH341 support

1 files changed, 65 insertions, 0 deletions

diff --git a/src/class/cdc/cdc_debug.h b/src/class/cdc/cdc_debug.h
new file mode 100644
index 000000000..879e49a50
--- /dev/null
+++ b/src/class/cdc/cdc_debug.h
@@ -0,0 +1,65 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2023 Ha Thach (tinyusb.org)
+ * Copyright (c) 2023 IngHK Heiko Kuester
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _TUSB_CDC_DEBUG_H_
+#define _TUSB_CDC_DEBUG_H_
+
+#include "cdc.h"
+
+#ifdef __cplusplus
+ extern "C" {
+#endif
+
+// logging of line coding
+#define TU_LOG_LINE_CODING(PRE_TEXT,LINE_CODING)                            \
+  TU_LOG_DRV(PRE_TEXT "Line Coding %lu Bd, %u%c%s\r\n",                     \
+    LINE_CODING.bit_rate,                                                   \
+    LINE_CODING.data_bits,                                                  \
+    LINE_CODING.parity == CDC_LINE_CODING_PARITY_NONE ? 'N' :               \
+      LINE_CODING.parity == CDC_LINE_CODING_PARITY_ODD ? 'O' :              \
+        LINE_CODING.parity == CDC_LINE_CODING_PARITY_EVEN ? 'E' :           \
+          LINE_CODING.parity == CDC_LINE_CODING_PARITY_MARK ? 'M' :         \
+            LINE_CODING.parity == CDC_LINE_CODING_PARITY_SPACE ? 'S' : '?', \
+    LINE_CODING.stop_bits == CDC_LINE_CODING_STOP_BITS_1 ? "1" :            \
+      LINE_CODING.stop_bits == CDC_LINE_CODING_STOP_BITS_1_5 ? "1.5" :      \
+        LINE_CODING.stop_bits == CDC_LINE_CODING_STOP_BITS_2 ? "2" : "?")
+
+// logging of baudrate
+#define TU_LOG_BAUDRATE(PRE_TEXT,BAUDRATE) \
+  TU_LOG_DRV(PRE_TEXT "Baudrate %lu Bd\r\n", BAUDRATE)
+
+ // logging of control line state
+#define TU_LOG_CONTROL_LINE_STATE(PRE_TEXT,LINE_STATE)            \
+  TU_LOG_DRV(PRE_TEXT "Control Line State RTS%c DTR%c\r\n", \
+    LINE_STATE & CDC_CONTROL_LINE_STATE_RTS ? '+' : '-',           \
+    LINE_STATE & CDC_CONTROL_LINE_STATE_DTR ? '+' : '-' )
+
+#ifdef __cplusplus
+ }
+#endif
+
+#endif /* _TUSB_CDC_DEBUG_H_ */