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[/] [usbhostslave/] [trunk/] [RTL/] [include/] [usbSerialInterfaceEngine_h.v] - Blame information for rev 20

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//////////////////////////////////////////////////////////////////////
// usbSerialInterfaceEngine_h.v                                
//////////////////////////////////////////////////////////////////////
 
`ifdef usbSerialInterfaceEngine_h_vdefined
`else
`define usbSerialInterfaceEngine_h_vdefined
 
 // Sampling frequency = 'FS_OVER_SAMPLE_RATE' * full speed bit rate = 'LS_OVER_SAMPLE_RATE' * low speed bit rate
`define FS_OVER_SAMPLE_RATE 4
`define LS_OVER_SAMPLE_RATE 32
 
//timeOuts
`define RX_PACKET_TOUT 18
`define RX_EDGE_DET_TOUT 7
 
//TXStreamControlTypes
`define TX_DIRECT_CONTROL 8'h00
`define TX_RESUME_START 8'h01
`define TX_PACKET_START 8'h02
`define TX_PACKET_STREAM 8'h03
`define TX_PACKET_STOP 8'h04
`define TX_IDLE 8'h05
`define TX_LS_KEEP_ALIVE 8'h06
 
//RXStreamControlTypes
`define RX_PACKET_START 0
`define RX_PACKET_STREAM 1
`define RX_PACKET_STOP 2
 
//USBLineStates
// ONE_ZERO corresponds to differential 1. ie D+ = Hi, D- = Lo
`define ONE_ZERO 2'b10
`define ZERO_ONE 2'b01
`define SE0 2'b00
`define SE1 2'b11
 
//RXStatusIndices
`define CRC_ERROR_BIT 0
`define BIT_STUFF_ERROR_BIT 1
`define RX_OVERFLOW_BIT 2
`define NAK_RXED_BIT 3
`define STALL_RXED_BIT 4
`define ACK_RXED_BIT 5
`define DATA_SEQUENCE_BIT 6
 
//usbWireControlStates
`define TRI_STATE 1'b0
`define DRIVE 1'b1
 
//limits
`define MAX_CONSEC_SAME_BITS 4'h6
`define MAX_CONSEC_SAME_BITS_PLUS1 4'h7
// RESUME_RX_WAIT_TIME defines the time period for resume detection
// The resume counter is incremented at the bit rate, so
// RESUME_RX_WAIT_TIME = 29 corresponds to 30 * 1/12MHz = 2.5uS at full speed
// and 30 * 1/1.5MHz =  20uS at low speed, both of which are within the USB spec of 
// 2.5uS <= resumeDetectTime <= 100uS
`define RESUME_RX_WAIT_TIME 5'd29
//`define RESUME_WAIT_TIME_MINUS1 9
// 'HOST_TX_RESUME_TIME' assumes counter is incremented at low speed bit rate 
`define HOST_TX_RESUME_TIME 16'd30000  //Host sends resume for 30000 * 1/1.5MHz = 20mS
//`define CONNECT_WAIT_TIME 8'd20
`define CONNECT_WAIT_TIME 8'd120      //Device connect detected after 120 * 1/48MHz = 2.5uS
//`define DISCONNECT_WAIT_TIME 8'd20   
`define DISCONNECT_WAIT_TIME 8'd120   //Device disconnect detected after 120 * 1/48MHz = 2.5uS
 
//RXConnectStates
`define DISCONNECT 2'b00
`define LOW_SPEED_CONNECT 2'b01
`define FULL_SPEED_CONNECT 2'b10
 
//TX_RX_InternalStreamTypes
`define DATA_START 8'h00
`define DATA_STOP 8'h01
`define DATA_STREAM 8'h02
`define DATA_BIT_STUFF_ERROR 8'h03
 
//RXStMach states
`define DISCONNECT_ST 4'h0
`define WAIT_FULL_SPEED_CONN_ST 4'h1
`define WAIT_LOW_SPEED_CONN_ST 4'h2
`define CONNECT_LOW_SPEED_ST 4'h3
`define CONNECT_FULL_SPEED_ST 4'h4
`define WAIT_LOW_SP_DISCONNECT_ST 4'h5
`define WAIT_FULL_SP_DISCONNECT_ST 4'h6
 
//RXBitStateMachStates
`define IDLE_BIT_ST 2'b00
`define DATA_RECEIVE_BIT_ST 2'b01
`define WAIT_RESUME_ST 2'b10
`define RESUME_END_WAIT_ST 2'b11
 
//RXByteStateMachStates 
`define IDLE_BYTE_ST 3'b000
`define CHECK_SYNC_ST 3'b001
`define CHECK_PID_ST 3'b010
`define HS_BYTE_ST 3'b011
`define TOKEN_BYTE_ST 3'b100
`define DATA_BYTE_ST 3'b101
 
`endif //usbSerialInterfaceEngine_h_vdefined
 
 

Line No.	Rev	Author	Line
1	2	sfielding	`//////////////////////////////////////////////////////////////////////`
2	5	sfielding	`// usbSerialInterfaceEngine_h.v`
3			`//////////////////////////////////////////////////////////////////////`
4	2	sfielding
5	5	sfielding	`ifdef usbSerialInterfaceEngine_h_vdefined
6			`else
7			`define usbSerialInterfaceEngine_h_vdefined
8	2	sfielding
9	9	sfielding	`// Sampling frequency = 'FS_OVER_SAMPLE_RATE' * full speed bit rate = 'LS_OVER_SAMPLE_RATE' * low speed bit rate`
10			`define FS_OVER_SAMPLE_RATE 4
11			`define LS_OVER_SAMPLE_RATE 32
12	2	sfielding
13			`//timeOuts`
14			`define RX_PACKET_TOUT 18
15	20	sfielding	`define RX_EDGE_DET_TOUT 7
16	2	sfielding
17			`//TXStreamControlTypes`
18			`define TX_DIRECT_CONTROL 8'h00
19			`define TX_RESUME_START 8'h01
20			`define TX_PACKET_START 8'h02
21			`define TX_PACKET_STREAM 8'h03
22			`define TX_PACKET_STOP 8'h04
23			`define TX_IDLE 8'h05
24	14	sfielding	`define TX_LS_KEEP_ALIVE 8'h06
25	2	sfielding
26			`//RXStreamControlTypes`
27			`define RX_PACKET_START 0
28			`define RX_PACKET_STREAM 1
29			`define RX_PACKET_STOP 2
30
31			`//USBLineStates`
32			`// ONE_ZERO corresponds to differential 1. ie D+ = Hi, D- = Lo`
33			`define ONE_ZERO 2'b10
34			`define ZERO_ONE 2'b01
35			`define SE0 2'b00
36			`define SE1 2'b11
37
38			`//RXStatusIndices`
39			`define CRC_ERROR_BIT 0
40			`define BIT_STUFF_ERROR_BIT 1
41			`define RX_OVERFLOW_BIT 2
42			`define NAK_RXED_BIT 3
43			`define STALL_RXED_BIT 4
44			`define ACK_RXED_BIT 5
45			`define DATA_SEQUENCE_BIT 6
46
47			`//usbWireControlStates`
48			`define TRI_STATE 1'b0
49			`define DRIVE 1'b1
50
51			`//limits`
52	12	sfielding	`define MAX_CONSEC_SAME_BITS 4'h6
53			`define MAX_CONSEC_SAME_BITS_PLUS1 4'h7
54	14	sfielding	`// RESUME_RX_WAIT_TIME defines the time period for resume detection`
55			`// The resume counter is incremented at the bit rate, so`
56			`// RESUME_RX_WAIT_TIME = 29 corresponds to 30 * 1/12MHz = 2.5uS at full speed`
57			`// and 30 * 1/1.5MHz = 20uS at low speed, both of which are within the USB spec of`
58			`// 2.5uS <= resumeDetectTime <= 100uS`
59			`define RESUME_RX_WAIT_TIME 5'd29
60			//`define RESUME_WAIT_TIME_MINUS1 9
61			`// 'HOST_TX_RESUME_TIME' assumes counter is incremented at low speed bit rate`
62			`define HOST_TX_RESUME_TIME 16'd30000 //Host sends resume for 30000 * 1/1.5MHz = 20mS
63			//`define CONNECT_WAIT_TIME 8'd20
64			`define CONNECT_WAIT_TIME 8'd120 //Device connect detected after 120 * 1/48MHz = 2.5uS
65			//`define DISCONNECT_WAIT_TIME 8'd20
66			`define DISCONNECT_WAIT_TIME 8'd120 //Device disconnect detected after 120 * 1/48MHz = 2.5uS
67	2	sfielding
68			`//RXConnectStates`
69			`define DISCONNECT 2'b00
70			`define LOW_SPEED_CONNECT 2'b01
71			`define FULL_SPEED_CONNECT 2'b10
72
73			`//TX_RX_InternalStreamTypes`
74			`define DATA_START 8'h00
75			`define DATA_STOP 8'h01
76			`define DATA_STREAM 8'h02
77			`define DATA_BIT_STUFF_ERROR 8'h03
78
79			`//RXStMach states`
80			`define DISCONNECT_ST 4'h0
81			`define WAIT_FULL_SPEED_CONN_ST 4'h1
82			`define WAIT_LOW_SPEED_CONN_ST 4'h2
83			`define CONNECT_LOW_SPEED_ST 4'h3
84			`define CONNECT_FULL_SPEED_ST 4'h4
85			`define WAIT_LOW_SP_DISCONNECT_ST 4'h5
86			`define WAIT_FULL_SP_DISCONNECT_ST 4'h6
87
88			`//RXBitStateMachStates`
89			`define IDLE_BIT_ST 2'b00
90			`define DATA_RECEIVE_BIT_ST 2'b01
91			`define WAIT_RESUME_ST 2'b10
92			`define RESUME_END_WAIT_ST 2'b11
93
94			`//RXByteStateMachStates`
95			`define IDLE_BYTE_ST 3'b000
96			`define CHECK_SYNC_ST 3'b001
97			`define CHECK_PID_ST 3'b010
98			`define HS_BYTE_ST 3'b011
99			`define TOKEN_BYTE_ST 3'b100
100			`define DATA_BYTE_ST 3'b101
101
102	5	sfielding	`endif //usbSerialInterfaceEngine_h_vdefined
103	2	sfielding
104

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[/] [usbhostslave/] [trunk/] [RTL/] [include/] [usbSerialInterfaceEngine_h.v] - Blame information for rev 20