From f4868604384908a7477cbb4b544c6ee7aac2a883 Mon Sep 17 00:00:00 2001
From: lonkaars <loek@pipeframe.xyz>
Date: Mon, 27 May 2024 08:23:21 +0200
Subject: quickly implement some pseudo handlers for the remaining commands

---
 client/cmd.cpp   | 30 ++++++++++++++++++++++++++++++
 client/cmd.h     | 30 +++++++++++++++---------------
 proto/puzbusv1.h | 19 +++++++++++++++++++
 shared/busaddr.h | 20 ++++++++++++++++++++
 4 files changed, 84 insertions(+), 15 deletions(-)
 create mode 100644 shared/busaddr.h

diff --git a/client/cmd.cpp b/client/cmd.cpp
index a098a14..736cf12 100644
--- a/client/cmd.cpp
+++ b/client/cmd.cpp
@@ -3,9 +3,12 @@
 #include <string.h>
 
 #include "cmd.h"
+#include "puzbusv1.h"
 #include "sock.h"
 #include "parse.h"
 
+#include "../shared/busaddr.h"
+
 char* consume_token(char* input, const char* ifs) {
 	strtok(input, ifs);
 	return strtok(NULL, "\0");
@@ -61,3 +64,30 @@ void cmd_send(char* addr_str) {
 	free(data);
 }
 
+void cmd_status(char*) {
+	const char msg[] = {
+		PB_CMD_READ,
+		0x00, // addr 0 = global state
+	};
+	i2c_send(BUSADDR_MAIN, msg, sizeof(msg));
+	// NOTE: the reply handler will automatically print the state once it's
+	// received
+}
+
+void cmd_reset(char*) {
+	const char msg[] = {
+		PB_CMD_WRITE,
+		0x00,
+		PB_GS_IDLE,
+	};
+	i2c_send(BUSADDR_MAIN, msg, sizeof(msg));
+}
+
+void cmd_ls(char*) {
+	return;
+	const char msg[] = {
+		PB_CMD_READ,
+		// TODO: which address is this?
+	};
+	i2c_send(BUSADDR_MAIN, msg, sizeof(msg));
+}
diff --git a/client/cmd.h b/client/cmd.h
index 9d20328..30bcbeb 100644
--- a/client/cmd.h
+++ b/client/cmd.h
@@ -40,21 +40,21 @@ static const struct cmd cmds[] = {
 		.name = "send",
 		.info = "[debug] send raw message",
 	},
-	// {
-	// 	.handle = cmd_status,
-	// 	.name = "status",
-	// 	.info = "show global puzzle box state (main controller state)",
-	// },
-	// {
-	// 	.handle = cmd_reset,
-	// 	.name = "reset",
-	// 	.info = "reset entire game state",
-	// },
-	// {
-	// 	.handle = cmd_ls,
-	// 	.name = "ls",
-	// 	.info = "list connected puzzle modules",
-	// },
+	{
+		.handle = cmd_status,
+		.name = "status",
+		.info = "show global puzzle box state (main controller state)",
+	},
+	{
+		.handle = cmd_reset,
+		.name = "reset",
+		.info = "reset entire game state",
+	},
+	{
+		.handle = cmd_ls,
+		.name = "ls",
+		.info = "list connected puzzle modules",
+	},
 };
 static const size_t cmds_length = sizeof(cmds) / sizeof(cmds[0]);
 
diff --git a/proto/puzbusv1.h b/proto/puzbusv1.h
index 0985b2b..9f4f8e5 100644
--- a/proto/puzbusv1.h
+++ b/proto/puzbusv1.h
@@ -64,6 +64,25 @@ void pb_read_reset(struct pb_msg * target);
  */
 bool pb_write(const struct pb_msg * target, char ** buf, size_t * buf_sz);
 
+/**
+ * \brief I^2^C puzzle bus command types
+ *
+ * The first byte of a puzzle bus message's data indicates the command type.
+ */
+enum pb_cmd {
+	PB_CMD_READ,   //!< read a puzzle module property
+	PB_CMD_WRITE,  //!< write to a puzzle module property
+	// PB_CMD_UPDATE, //!< request an update
+};
+
+/** \brief Puzzle bus global states */
+enum pb_global_state {
+	PB_GS_NOINIT,  //!< uninitialized (only used by puzzle modules)
+	PB_GS_IDLE,    //!< puzzle not started yet
+	PB_GS_PLAYING, //!< puzzle actively being solved
+	PB_GS_SOLVED,  //!< puzzle completed
+};
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/shared/busaddr.h b/shared/busaddr.h
new file mode 100644
index 0000000..5879afe
--- /dev/null
+++ b/shared/busaddr.h
@@ -0,0 +1,20 @@
+#pragma once
+
+/** \file bus address reference */
+
+// Adafruit NeoTrellis modules
+#define BUSADDR_ADA_NEO_1 0x2E
+#define BUSADDR_ADA_NEO_2 0x2F
+#define BUSADDR_ADA_NEO_3 0x30
+#define BUSADDR_ADA_NEO_4 0x32
+
+// TODO: ???
+#define BUSADDR_MOD_NEOTRELLIS 0
+#define BUSADDR_MOD_SOFTWARE 0
+#define BUSADDR_MOD_HARDWARE 0
+#define BUSADDR_MOD_VAULT 0
+#define BUSADDR_MOD_AUTOMATION 0
+
+// main controller
+#define BUSADDR_MAIN 0x00
+
-- 
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