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-rw-r--r--cmd/sbc_harness/hw/w5500_ll.h11
1 files changed, 7 insertions, 4 deletions
diff --git a/cmd/sbc_harness/hw/w5500_ll.h b/cmd/sbc_harness/hw/w5500_ll.h
index 4a08a6e..b0a023a 100644
--- a/cmd/sbc_harness/hw/w5500_ll.h
+++ b/cmd/sbc_harness/hw/w5500_ll.h
@@ -1,4 +1,7 @@
-/* hw/w5500_ll.h - Low-level W5500 header-only library
+/* hw/w5500_ll.h - Low-level header library for the WIZnet W5500 chip
+ *
+ * Based entirely on the W5500 datasheet, v1.1.0.
+ * https://docs.wiznet.io/img/products/w5500/W5500_ds_v110e.pdf
*
* Copyright (C) 2024 Luke T. Shumaker <lukeshu@lukeshu.com>
* SPDX-Licence-Identifier: AGPL-3.0-or-later
@@ -278,12 +281,12 @@ static_assert(sizeof(struct w5500ll_block_sock_reg) == 0x30);
* ┃ ║ V ┃┃ V ┃
* ┃ ╠═══════════╝ ┃┃ ╚═══════════╗ ┃
* ┃ (CMD_DISCON) ┃┃ ║ ┃
- * ┃ Both sides sent ┌┈┈┈<(send FIN)>┈┈┈┈┈┈┐┃┃ ║ ┃
+ * ┃ Both sides sent ┌┈┈┈<(send FIN)>┈┈┈┈┈┈┐┃┃ ║ ┃
* ┃ FIN at the "same" ┊ V └┃┃┈┈┈┈┈┈┈┈>(recv FIN) ┃
* ┃ time; both are ┊ ┌────────────┐ ┌┃┃┈┈┈┈┈┈┈┈<(send ACK) ┃
* ┃ active closers ┊ │ FIN_WAIT_1 │ ┊┃┃ V ┃
- * ┃ / \ ┊ └────────────┘ ┊┃┃ ┌────────────┐ ┃
- * ┃ ,-----' '-----, ┊ V V ┊┃┃ │ CLOSE_WAIT │ ┃
+ * ┃ / \ ┊ └────────────┘ ┊┃┃ ┌────────────┐ ┃
+ * ┃ ,------' '------, ┊ V V ┊┃┃ │ CLOSE_WAIT │ ┃
* ┃ ╔════════════════╝ ║ ┊┃┃ └────────────┘ ┃
* ┃ (recv FIN)<┈┈┈┈┤ ╔══╝ ┊┃┃ V ┃
* ┃ ┌┈┈<(send ACK)>┈┈┐ ┊ ║ ┊┃┃ ║ ┃