Blinkenlights RF packet format

From OpenBeacon

The packets sent by the Blinkenlights OpenBeacon control system is defined by the following C struct. Check out our OpenBeacon Blinkenlights SVN repository|public Subversion tree for more information.

#define GAMMA_DEFAULT   200 
#define FIFO_DEPTH      256
#define RF_PAYLOAD_SIZE 16

enum
{
 RF_CMD_SET_VALUES,
 RF_CMD_SET_LAMP_ID,
 RF_CMD_SET_GAMMA,
 RF_CMD_WRITE_CONFIG,
 RF_CMD_SET_JITTER,
 RF_CMD_SEND_STATISTICS,
 RF_CMD_SET_DIMMER_DELAY,
 RF_CMD_SET_DIMMER_CONTROL,
 RF_CMD_PING,
 RF_CMD_RESET,
 RF_CMD_ENTER_UPDATE_MODE = 0x3f
};

typedef struct
{
 unsigned short mac;
 unsigned char wmcu_id;
 unsigned char cmd;

 union
 {
   unsigned char payload[RF_PAYLOAD_SIZE];
   unsigned char dummy[6];

   struct
   {
     unsigned char id;
     unsigned char wmcu_id;
   } PACKED set_lamp_id;

   struct
   {
     unsigned char block;
     unsigned short val[8];
   } PACKED set_gamma;

   struct
   {
     unsigned short jitter;
   } PACKED set_jitter;

   struct
   {
     unsigned short emi_pulses;
     unsigned long packet_count;
     unsigned long pings_lost;
     unsigned long fw_version;
     unsigned long tick_count;
   } PACKED statistics;

   struct
   {
     unsigned short delay;
   } PACKED set_delay;

   struct
   {
     unsigned char off;
   } PACKED dimmer_control;

   struct
   {
     unsigned int sequence;
   } PACKED ping;

 } PACKED;                     /* union */

 unsigned int sequence;
 unsigned int crc;
} PACKED BRFPacket;