merge wip/puzbus-spec into wip/client

1 files changed, 9 insertions, 3 deletions

diff --git a/shared/pb/types.h b/shared/pb/types.h
index 8150194..93e2f0c 100644
--- a/shared/pb/types.h
+++ b/shared/pb/types.h
@@ -24,18 +24,24 @@ extern "C" {
  * The first byte of a puzzle bus message's data indicates the command type.
  */
 enum __packed pb_cmd {
-	PB_CMD_READ,   //!< read a puzzle module property
-	PB_CMD_WRITE,  //!< write to a puzzle module property
+	PB_CMD_READ, //!< read a puzzle module property
+	PB_CMD_WRITE, //!< write to a puzzle module property
 	// PB_CMD_UPDATE, //!< request an update
+	PB_CMD_MAGIC = 0x69, //!< magic message
 };
+typedef enum pb_cmd pb_cmd_t;
+
+static const char pb_magic_msg[] = { 0x70, 0x75, 0x7a, 0x62, 0x75, 0x73 };
+static const char pb_magic_res[] = { 0x67, 0x61, 0x6d, 0x69, 0x6e, 0x67 };
 
 /** \brief Puzzle bus global states */
-enum __packed pb_global_state {
+enum __packed pb_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
 };
+typedef enum pb_state pb_state_t;
 
 typedef struct __packed {
 	uint8_t address;