Busy Box and related/BusyBox Registers

Busy Box Status and Control Registers
Name	Address	Mode	Description	Default Value
TX module(15:0)	0x0001	RW	For sending messages to DRORCs. Bit 7:0 is TX data. Bit 15:8 gives channelnumber in hexadecimal. Any value greater than the actual number of channels will result in a broadcast on all channels.	0x0000
RX memory	0x1000-0x1FFF	RW	Memory where all messages received from DRORCs will be stored. One message is stored over 4 addresses: Address ending "00" - 0x0 & RequestID(3:0) & OrbitID(23:16) Address ending "01" - OrbitID(15:0) Address ending "10" - 0x0 BunchCountID(11:0) Address ending "11" - DRORCID(7:0) & ChannelNumber(7:0)	0x0000
RX memory pointer(13:0)	0x2000	R	Holds the value where the next message will be written in RX memory. The RX memory pointer will increase by 4 for each message.	0x0000
EventID FIFO count(3:0)	0x2001	R	Number of eventIDs stored in the FIFO, excluding the eventID currently being matched, if any.	0x0000
Current EventID(35:32)	0x2002	R	The EventID which is currently being matched.	0x0000
Current EventID(31:16)	0x2003	R		0x0000
Current EventID(15:0)	0x2004	R		0x0000
Newest EventID(35:32)	0x2005	R	The EventID most recently received from the Trigger system.	0x0000
Newest EventID(31:16)	0x2006	R		0x0000
Newest EventID(15:0)	0x2007	R		0x0000
L1 Trigger Timeout(15:0)	0x2008	RW	Time in 10 us resolution the 'busy' will be asserted after an L1A trigger. Note: The busy will not be deasserted if the buffers are full.	0x000A
Busy Condition(15:0)	0x2009	RW	Status and control registers concerning the BUSY generation Bit 15 - Busy because TTCrx_ready is low. Bit 14 - Busy because MEB count >= MEB limit Bit 13 - Busy because L1 timeout is active. Bit 12 - Busy because Trigger Receiver Module is busy receiving a sequence. Bit 11 - Busy because the maximum Trigger Burst length has been exceeded. Bit 10 - Busy because two buffers are, or have been used, in new sparse mode Bit 9:8 - Unused Bit 7:4 - Current MEB count. Bit 3:0 - MEB Limit: Limit for the maximum number of MEBs to count before busy will be asserted.	0x0000
Halt FSM matching(0)	0x200A	RW	If LSB is set to 1 the internal State Machine (FSM) will halt in a wait state and will stop requesting EventIDs from the DRORCs.	0x0001
Force match(0)	0x200B	T	Writing 0x1 when FSM halt is set, will force the FSM to move on to the next EventID even if it is not matched. Note : FSM must be halted before this has any effect.	N/A
Re-Request Timeout(15:0)	0x200C	RW	Number of clock cycles (25 ns) to wait in between sending requests to the DRORCs.	0x07FF
Current RequestID(3:0)	0x200D	R	Holds the RequestID the BusyBox is using to request eventIDs from the DRORCs.	0x0000
Retry Count(15:0)	0x200E	R	Number of times the FSM has sent requests to DRORCs. Will reset to 0 for start of every eventID.	0x0000
Busy time(31:16)	0x2010	R	Holds value of counter for number of clock cycles BUSY has been asserted.	0x0000
Busy time(15:0)	0x2011	R		0x0000
RX mem filter(15:0)	0x2012	RW	Allows filtering of messages that are stored in RX memory. Bit 7:0 is the pattern that will be matched with the channelnumber of the message. Bit 15:8 allows enableing matching of individual bits 7-0.	0x0000
Number of Channels	0x2014	R	Number of channels (in hexadecimal) the firmware includes. This is a generic set at compile-time.	N/A
Firmware Revision	0x2015	R	Firmware revision in hexadecimal. Holds the revision number of the source in SVN that this FW was compiled from. Current : 54	0x0036
Stresstest Enable(0)	0x2016	RW	Duplicates input on channel 0 to all other channels. Used for testing the device with all channels enabled when only one physical DRORC is available.	0x0000
Burst Size(5:0)	0x2017	RW	The maximum burst size. A value of 0 disables the Burst Interlock feature. Maximum value is 63.	0x0000
Burst Interlock Leak Time(15:0)	0x2018	RW	Leak time for the Burst Interlock "leaky bucket" defined in steps of 10 us. Maximum leak time is 655.4 ms.	0x0000
Trigger Mode(2:0)	0x2019	RW	Control registers concerning the BUSY/trigger mode Bit 2 - Not used Bit 1 - New sparse mode enabled Bit 0 - Not used	0x0000
Current Trigger Event Info(12:0)	0x2050	R	Holds the Event Info for current eventID as reported by the TRM. See TRM registers for bitmapping.	0x0000
Current Trigger Event Error(24:16)	0x2051	R	Holds the Event Error for current eventID as reported by the TRM. See TRM registers for bitmapping.	0x0000
Current Trigger Event Error(15:0)	0x2052	R	Holds the Event Error for current eventID as reported by the TRM. See TRM registers for bitmapping.	0x0000
Newest Trigger Event Info(12:0)	0x2054	R	Holds the Event Info for newest eventID as reported by the TRM. See TRM registers for bitmapping.	0x0000
Newest Trigger Event Error(24:16)	0x2055	R	Holds the Event Error for newest eventID as reported by the TRM. See TRM registers for bitmapping.	0x0000
Newest Trigger Event Error(15:0)	0x2056	R	Holds the Event Error for newest eventID as reported by the TRM. See TRM registers for bitmapping.	0x0000
Channel Registers	0x21XX	RW	'XX' in the address gives the channelnumber in hexadecimal. Bit 0 is enable(1)/disable(0) Bit 1 indicates that the current EventID has been matched on this channel.	0x0001

Trigger Receiver Module Status and Control Registers
Name	Address	Type	Description
Control[23:0]	0x3000	RW	[0] Serial B channel on/off Default: 1 [1] Disable_error_masking 0 [2] NA 0 [3] L0 support 1 [4:7] (Not Used) [8] L2a FIFO storage mask 1 [9] L2r FIFO storage mask 1 [10] L2 Timeout FIFO storage mask 1 [11] L1a message mask 1 [12] Trigger Input Mask Enable 0 [13:15] (Not Used) [16] Bunch_counter overflow - [17] Run Active - [18] Busy (receiving sequence) - [19] Not Used [23:20] CDH version 0x2
Module Reset	0x3001	T	Reset Module
NA	0x3002
NA	0x3003
Reset Counters	0x3004	T	Write to this registers will reset the counters in the module
Issue Testmode	0x3005	T	Debug: Issues testmode sequence. Note that serialB channel input MUST be disabled when using this feature.
L1_Latency[15:0]	0x3006	RW	[15:12] Uncertainty region +- N. default value 0x2 (50 ns) [11:0] Latency from L0 to L1, default value 0x0D4 (5.3 us)
L2_Latency[31:0]	0x3007	RW	[15:0] Max Latency from BC0 to L2, default value 0x4E20 (500 us) [31:16] Min Latency from BC0 to L2, default value 0x0C80 (80 us)
L2_Extdended Latency[31:0]	0x3009	RW	[15:0] Max Latency from BC0 to L2 Extended window end, default value 0x4E48 (501 us) [31:16] Min Latency from BC0 to L2 Extended window start, default value 0x0C80 (80 us)
L1_msg_latency[31:0]	0x300A	RW	[15:0] Max Latency from BC0 to L1 msg, default value 0x0028 (1 us) [31:16] Min Latency from BC0 to L1 msg, default value 0x0F8 (6,2 us)
Pre_pulse_counter [15:0]	0x300B	R	Number of decoded pre-pulses.
BCID_Local [11:0]	0x300C	R	Number of bunchcrossings at arrival of L1 trigger.
L0_counter[15:0]	0x300D	R	Number of L0 triggers
L1_counter[15:0]	0x300E	R	Number of L1 triggers
L1_msg_counter[15:0]	0x300F	R	Number of successfully decoded L1 messages
L2a_counter[15:0]	0x3010	R	Number of successfully decoded L2a messages
L2r_counter[15:0]	0x3011	R	Number of successfully decoded L2r messages
NA	0x3012
Bunchcounter [11:0]	0x3013	R	Debug: Number of bunchcrossings
hammingErrorCnt [31:0]	0x3016	R	[15:0] Number of single bit hamming errors [31:16] Number of double bit hamming errors
ErrorCnt [31:0]	0x3017	R	[15:0] Number of message decoding errors [31:16] Number of errors related to sequence and timeouts.
Buffered_events [4:0]	0x3020	R	Number of events stored in the FIFO.
DAQ_Header01[31:0]	0x3021	R	Latest received DAQ Header 1
DAQ_Header02[31:0]	0x3022	R	Latest received DAQ Header 2
DAQ_Header03[31:0]	0x3023	R	Latest received DAQ Header 3
DAQ_Header04[31:0]	0x3024	R	Latest received DAQ Header 4
DAQ_Header05[31:0]	0x3025	R	Latest received DAQ Header 5
DAQ_Header06[31:0]	0x3026	R	Latest received DAQ Header 6
DAQ_Header07[31:0]	0x3027	R	Latest received DAQ Header 7
Event_info [17:0]	0x3028	R	Latest Received Event information: [0] ‘0’ [1] Region of Interest announced (=ESR) [2] ‘0’ [3] ‘0’ [4:7] Calibration/SW trigger type (= RoC) [8] Software trigger event [9] Calibration trigger event [10] Event has L2 Reject trigger [11] Event has L2 Accept trigger [12] Include payload [17:13] SCLK phase when (L0/L1)trigger arrives
Event_error [24:0]	0x3029	R	Latest Received Event error conditions: [0] Serial B Stop Bit Error [1] Single Bit Hamming Error Individually Addr. [2] Double Bit Hamming Error Individually Addr. [3] Single Bit Hamming Error Broadcast. [4] Double Bit Hamming Error Broadcast. [5] Unknown Message Address Received [6] Incomplete L1 Message [7] Incomplete L2a Message [8] NA [9] TTCrx Address Error (not X”0003”) [10] Spurious L0 [11] Missing L0 [12] Spurious L1 [13] Boundary L1 [14] Missing L1 [15] L1 message arrives outside legal timeslot [16] L1 message missing/timeout [17] L2 message arrives outside legal timeslot [18] L2 message missing/timeout [19] Boundary L2 Message [20] NA [21] Prepulse error (=0; possible future use) [22] L1 message content error [23] L2 message content error [24] NA
L1_MessageHeader[11:0]	0x3030	R	Debug: Latest received L1 Message
L1_MessageData1[11:0]	0x3031	R	Debug: Latest received L1 Message
L1_MessageData2[11:0]	0x3032	R	Debug: Latest received L1 Message
L1_MessageData3[11:0]	0x3033	R	Debug: Latest received L1 Message
L1_MessageData4[11:0]	0x3034	R	Debug: Latest received L1 Message
L2aMessageHeader[11:0]	0x3035	R	Debug: Latest received L2a Message
L2aMessageData1[11:0]	0x3036	R	Debug: Latest received L2a Message
L2aMessageData2[11:0]	0x3037	R	Debug: Latest received L2a Message
L2aMessageData3[11:0]	0x3038	R	Debug: Latest received L2a Message
L2aMessageData4[11:0]	0x3039	R	Debug: Latest received L2a Message
L2aMessageData5[11:0]	0x303A	R	Debug: Latest received L2a Message
L2aMessageData6[11:0]	0x303B	R	Debug: Latest received L2a Message
L2aMessageData7[11:0]	0x303C	R	Debug: Latest received L2a Message
L2rMessageHeader[11:0]	0x303D	R	Debug: Latest received L2r Message
RoIMessageHeader [11:0]	0x303E	R	Debug: Latest received RoI Message
RoIMessageData1[11:0]	0x303F	R	Debug: Latest received RoI Message
RoIMessageData2[11:0]	0x3040	R	Debug: Latest received RoI Message
RoIMessageData3[11:0]	0x3041	R	Debug: Latest received RoI Message
FIFO_read_enable	0x3080	T	Debug: Triggers a readout pulse to FIFO
FIFO_DAQHeader [31:0]	0x3081	R	Debug: Output of FIFO