FreeCalypso > hg > fc-magnetite
diff src/g23m-aci/uart/uart.h @ 162:53929b40109c
src/g23m-aci: initial import from TCS3.2/LoCosto
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Tue, 11 Oct 2016 02:02:43 +0000 |
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| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/g23m-aci/uart/uart.h Tue Oct 11 02:02:43 2016 +0000 @@ -0,0 +1,1118 @@ +/* ++----------------------------------------------------------------------------- +| Project : +| Modul : ++----------------------------------------------------------------------------- +| Copyright 2002 Texas Instruments Berlin, AG +| All rights reserved. +| +| This file is confidential and a trade secret of Texas +| Instruments Berlin, AG +| The receipt of or possession of this file does not convey +| any rights to reproduce or disclose its contents or to +| manufacture, use, or sell anything it may describe, in +| whole, or in part, without the specific written consent of +| Texas Instruments Berlin, AG. ++----------------------------------------------------------------------------- +| Purpose : Definitions for the Protocol Stack Entity +| Universal Asynchronous Receiver Transmitter (UART). ++----------------------------------------------------------------------------- +*/ + +#ifndef UART_H +#define UART_H + +/*==== MACROS ======================================================*/ + +/* + * defines the user of the vsi interface + */ +#define VSI_CALLER UART_handle, +#define VSI_CALLER_SINGLE UART_handle + +/* + * VERSION + * + * Description : The constants define the type and the value + * of a version identification. The version + * is part of the monitor struct. + */ +#define VERSION_UART "UART 1.1" + +#ifdef TI_PS_OP_VSI_NO_CALL_ID +#define TIMER_START(C,I,T) vsi_t_start_nc(I,T) +#define TIMER_PSTART(C,I,T,R) vsi_t_pstart_nc(I,T,R) +#define TIMER_STOP(C,I) vsi_t_stop_nc(I) +#define TIMER_STATUS(C,I,T) vsi_t_status_nc(I,T) +#define SUSPEND_SELF(C,T) vsi_t_sleep_nc(T) +#define SYSTEM_TIME(C,T) vsi_t_time_nc(T) +#else /* TI_PS_OP_VSI_NO_CALL_ID */ +#define TIMER_START(C,I,T) vsi_t_start(C,I,T) +#define TIMER_PSTART(C,I,T,R) vsi_t_pstart(C,I,T,R) +#define TIMER_STOP(C,I) vsi_t_stop(C,I) +#define TIMER_STATUS(C,I,T) vsi_t_status(C,I,T) +#define SUSPEND_SELF(C,T) vsi_t_sleep(C,T) +#define SYSTEM_TIME(C,T) vsi_t_time(C,T) +#endif /* TI_PS_OP_VSI_NO_CALL_ID */ + + +/* + * This is just a TEMPORARY define until the issues with OPTION_MULTITHREAD + * are settled. This define SHOULD be contained in GSM.H. + */ +#undef _ENTITY_PREFIXED +#define _ENTITY_PREFIXED(N) uart_##N + +/* + * Communication handles (see also UART_PEI.C) + */ +#define hCommMMI uart_hCommMMI +#define hCommUART uart_hCommUART + +/* + * Macros for error tracing + */ + +#ifndef TRACE_ERROR_P1 +#define TRACE_ERROR_P1(f,a1) vsi_o_error_ttrace(f,a1); +#endif + +#ifndef TRACE_ERROR_P2 +#define TRACE_ERROR_P2(f,a1,a2) vsi_o_error_ttrace(f,a1,a2); +#endif + +#ifndef TRACE_ERROR_P3 +#define TRACE_ERROR_P3(f,a1,a2,a3) vsi_o_error_ttrace(f,a1,a2,a3); +#endif + +#ifndef TRACE_ERROR_P4 +#define TRACE_ERROR_P4(f,a1,a2,a3,a4) vsi_o_error_ttrace(f,a1,a2,a3,a4); +#endif + +/*==== CONSTANTS ======================================================*/ + +#if defined (DTILIB) +/* + * dtilib interface + */ + +#define UART_DTI_UP_INTERFACE 0 +#define UART_UPLINK_QUEUE_SIZE 0 +#endif /* DTILIB */ +/* + * Scaling + */ +#ifdef FF_MULTI_PORT +#define UART_INSTANCES FF_MULTI_PORT +#else /* FF_MULTI_PORT */ +#ifdef FF_TWO_UART_PORTS +#define UART_INSTANCES 2 +#else /* FF_TWO_UART_PORTS */ +#define UART_INSTANCES 1 +#endif /* FF_TWO_UART_PORTS */ +#endif /* FF_MULTI_PORT */ + +#define UART_MAX_NUMBER_OF_CHANNELS 6 + +/* + * Bitoffset for encoding/decoding + */ +#define ENCODE_OFFSET 0 + +/* + * Service definitions. Used to access service data with GET/SET_STATE. + * + * Services with multiple incarnation have to be defined as xxx-> + * Services with only one incarnation have to be defined as xxx. + * + */ +#define UART_SERVICE_KER ker. +#define UART_SERVICE_RX rx. +#define UART_SERVICE_TX tx. +#define UART_SERVICE_DTX dtx-> +#define UART_SERVICE_DRX drx-> +#define UART_SERVICE_RT rt. + +/* + * Service name definitions for trace purposes. + */ +#ifndef NTRACE + +#define SERVICE_NAME_UART_SERVICE_KER "KER" +#define SERVICE_NAME_UART_SERVICE_RX "RX" +#define SERVICE_NAME_UART_SERVICE_TX "TX" +#define SERVICE_NAME_UART_SERVICE_DRX "DRX" +#define SERVICE_NAME_UART_SERVICE_DTX "DTX" +#define SERVICE_NAME_UART_SERVICE_RT "RT" + +#endif /* !NTRACE */ + + +/* + * State definitions for each service. + */ + +#define KER_DEAD 1 +#define KER_READY 2 +#define KER_MUX_ESTABLISH 3 +#define KER_MUX 4 +#define KER_MUX_DLC_CLOSING 5 +#define KER_MUX_CLOSING 6 +#define KER_MUX_CLOSED 7 + +#define RX_DEAD 8 +#ifdef DTILIB +/* + * we do not use the one from DTILIB here + */ +#undef RX_READY +#endif +#define RX_READY 9 +#define RX_MUX 10 + +#define TX_DEAD 11 +#ifdef DTILIB +/* + * we do not use the one from DTILIB here + */ +#undef TX_READY +#endif +#define TX_READY 12 +#define TX_READY_FLUSHING 13 +#define TX_MUX 14 +#define TX_MUX_FLUSHING 15 + +#define DRX_DEAD 16 +#define DRX_READY 17 +#define DRX_NOT_READY 18 +#define DRX_FLUSHING 19 + +#define DTX_DEAD 20 +#define DTX_READY 21 +#define DTX_NOT_READY 22 + +#define RT_STATE 23 + +/* + * DLC Connection states + */ +#define UART_CONNECTION_DEAD 24 +#define UART_CONNECTION_SABM_RCVD 25 +#define UART_CONNECTION_DISC_SENT 26 +#define UART_CONNECTION_OPEN 27 + +/* + * states of TX ISR state machine + */ +#define UART_TX_BEGIN 28 +#define UART_TX_ADDRESS 29 +#define UART_TX_CONTROL 30 +#define UART_TX_INFORMATION 31 +#define UART_TX_FCS 32 +#define UART_TX_END 33 + +/* + * states of TX sending indicator + */ +#define UART_TX_SENDING 34 +#define UART_TX_NOT_SENDING 35 + +/* + * states of RX receiving indicator + */ +#define UART_RX_RECEIVING 36 +#define UART_RX_NOT_RECEIVING 37 + +/* + * states of RX ISR state machine + */ +#define UART_RX_ERROR 38 +#define UART_RX_BEGIN 39 +#define UART_RX_ADDRESS 40 +#define UART_RX_CONTROL 41 +#define UART_RX_INFORMATION 42 +#define UART_RX_FCS 43 +#define UART_RX_END 44 + +/* + * DLC process states of reception + */ +#define UART_RX_PROCESS_STOP 45 +#define UART_RX_PROCESS_READY 46 +#define UART_RX_PROCESS_COMPLETE 47 + +/* + * definition of flush states for service KER + */ +#define UART_KER_NOT_FLUSHING 48 +#define UART_KER_DRX_FLUSH 49 +#define UART_KER_TX_FLUSH 50 + +/* + * special channel instance values + */ +#define UART_CONTROL_INSTANCE UART_MAX_NUMBER_OF_CHANNELS +#define UART_EMPTY_INSTANCE 255 + +/* + * priority value + */ +#define UART_PRIORITY_CONTROL 0 + +/* + * HDLC values + */ +#define UART_HDLC_FLAG 0x7e +#define UART_HDLC_ESCAPE 0x7d +#define UART_SABM_FRAME 0x3f +#define UART_UA_FRAME 0x73 +#define UART_DM_CONTROL_FRAME 0x1f +#define UART_DM_DATA_FRAME 0x0f +#define UART_DISC_FRAME 0x53 +#define UART_UIH_CONTROL_FRAME 0xff +#define UART_UIH_DATA_FRAME 0xef + +/* + * UART DLC channel values + */ +#define UART_DLCI_CONTROL 0 +#define UART_DLCI_INVALID 255 +#define UART_DLCI_POS 2 + +/* + * mask values for forward parameter + */ +#define UART_FORWARD_CLD 0x00000001 +#define UART_FORWARD_FCON 0x00000002 +#define UART_FORWARD_FCOFF 0x00000004 +#define UART_FORWARD_MSC 0x00000008 +#define UART_FORWARD_SABM 0x00000010 +#define UART_FORWARD_DLC_RELEASE 0x00000020 +#define UART_FORWARD_PSC 0x00000040 +#define UART_FORWARD_RESPONSE 0x00000080 + +/* + * message type values (for UIH command frames) + */ +#define UART_MSG_TYPE_PSC_C 0x43 +#define UART_MSG_TYPE_PSC_R 0x41 +#define UART_MSG_TYPE_CLD_C 0xc3 +#define UART_MSG_TYPE_CLD_R 0xc1 +#define UART_MSG_TYPE_FCON_C 0xa3 +#define UART_MSG_TYPE_FCON_R 0xa1 +#define UART_MSG_TYPE_FCOFF_C 0x63 +#define UART_MSG_TYPE_FCOFF_R 0x61 +#define UART_MSG_TYPE_MSC_C 0xe3 +#define UART_MSG_TYPE_MSC_R 0xe1 +#define UART_MSG_TYPE_NSC_R 0x11 +#define UART_MSG_TYPE_SNC_C 0xd3 +#define UART_MSG_TYPE_SNC_R 0xd1 + +/* + * message length field values + */ +#define UART_MSG_LENGTH_POS 1 + +/* + * definitions for service negotiation + */ +#define UART_NO_SERVICE 0x00 +#define UART_NO_VOICE_CODEC 0x00 + +/* + * definitions for modem status commands + */ +#define UART_NO_BREAK_SIGNAL 0x01 + +/* + * FCS calculation + */ +#define UART_INITFCS 0xff +#define UART_GOODFCS 0xcf + +/* + * offset addresses for frame handling in service KER + * (in bytes after flag) + */ +#define UART_OFFSET_ADDRESS 0 +#define UART_OFFSET_CONTROL 1 +#define UART_OFFSET_INFO 2 + +/* + * common EA and CR bit + */ +#define UART_EA 0x01 +#define UART_CR 0x02 +/* + * modem status command (MSC) masks and positions + */ +#define UART_MSC_BRKLEN_POS 4 +#define UART_MSC_DV_MASK 0x80 +#define UART_MSC_IC_MASK 0x40 +#define UART_MSC_RTR_MASK 0x08 +#define UART_MSC_RTC_MASK 0x04 +#define UART_MSC_FC_MASK 0x02 +#define UART_MSC_BRK_MASK 0x02 +#define UART_MSC_BRKLEN_MASK 0xf0 + +/* + * !!! for vsi_t_sleep may be changed??? + */ +#define ONE_FRAME 0 +/* + * position and mask definitions + */ +#define BRK_LEN_POS BRKLEN +#define BRK_LEN_MASK 0x1fe00L +#define SA_MASK ( 1UL << SA ) +#define SB_MASK ( 1UL << SB ) +#define X_MASK ( 1UL << X ) +#define BRK_MASK ( 1UL << BRK ) +#define ESC_MASK ( 1UL << ESC ) +#define RI_MASK ( 1UL << RI ) +#define DCD_MASK ( 1UL << DCD ) +/* + * UART intern position and mask definitions + */ +#define UART_CTS_POS 0 +#define UART_RTS_POS 1 +#define UART_DSR_POS 2 +#define UART_DTR_POS 3 +#define UART_DCD_POS 4 +#define UART_BRK_RX_POS 5 +#define UART_BRK_TX_POS 6 +#define UART_ESC_RX_POS 7 +#define UART_ESC_TX_POS 8 +#define UART_BRKLEN_RX_POS 9 +#define UART_BRKLEN_TX_POS 17 +#define UART_FC_RX_POS 25 +#define UART_FC_TX_POS 26 +#define UART_RI_POS 27 +#define UART_SA_TX_POS 28 +#define UART_SB_TX_POS UART_DCD_POS +#define UART_X_TX_POS 29 +#define UART_SA_RX_POS UART_DTR_POS +#define UART_SB_RX_POS 30 +#define UART_X_RX_POS UART_RTS_POS +#define UART_CTS_MASK (1UL << UART_CTS_POS) +#define UART_RTS_MASK (1UL << UART_RTS_POS) +#define UART_DSR_MASK (1UL << UART_DSR_POS) +#define UART_DTR_MASK (1UL << UART_DTR_POS) +#define UART_DCD_MASK (1UL << UART_DCD_POS) +#define UART_BRK_RX_MASK (1UL << UART_BRK_RX_POS) +#define UART_BRK_TX_MASK (1UL << UART_BRK_TX_POS) +#define UART_ESC_RX_MASK (1UL << UART_ESC_RX_POS) +#define UART_ESC_TX_MASK (1UL << UART_ESC_TX_POS) +#define UART_BRKLEN_RX_MASK (255UL << UART_BRKLEN_RX_POS) +#define UART_BRKLEN_TX_MASK (255UL << UART_BRKLEN_TX_POS) +#define UART_FC_RX_MASK (1UL << UART_FC_RX_POS) +#define UART_FC_TX_MASK (1UL << UART_FC_TX_POS) +#define UART_RI_MASK (1UL << UART_RI_POS) +#define UART_SA_TX_MASK (1UL << UART_SA_TX_POS) +#define UART_SB_TX_MASK (1UL << UART_SB_TX_POS) +#define UART_X_TX_MASK (1UL << UART_X_TX_POS) +#define UART_SA_RX_MASK (1UL << UART_SA_RX_POS) +#define UART_SB_RX_MASK (1UL << UART_SB_RX_POS) +#define UART_X_RX_MASK (1UL << UART_X_RX_POS) + +/* + * values for received primitive bitfield + */ +#define UART_PARAMETERS_REQ_MASK 0x00000001 +#define UART_DTI_REQ_MASK 0x00000004 +#define UART_DISABLE_REQ_MASK 0x00000008 +#define UART_RING_REQ_MASK 0x00000010 +#define UART_DCD_REQ_MASK 0x00000020 +#define UART_MUX_START_REQ_MASK 0x00000080 +#define UART_MUX_DLC_RELEASE_REQ_MASK 0x00000100 +#define UART_MUX_SLEEP_REQ_MASK 0x00000200 +#define UART_MUX_WAKEUP_REQ_MASK 0x00000400 +#define UART_MUX_CLOSE_REQ_MASK 0x00000800 +#define UART_DTI_DATA_REQ_MASK 0x00001000 + +/* + * value for N1 in ready mode + */ +#define UART_N1_READY_MODE 10 +/* + * buffer size of RX buffer in multiplexer mode + */ +#define UART_RX_MUX_BUFFER_SIZE (100 - sizeof(T_desc2)) + +#ifdef WIN32 +#define HISR_STACK_SIZE 512 +#endif +#ifdef _SIMULATION_ +#define UART_TX_SIM_BUFFER_SIZE 136 +#endif /* _SIMULATION_ */ + +/* + * Timer handle definitions. + */ + +#define UART_RT_INDEX_T1 0 +#define UART_RT_INDEX_T2 1 +#define UART_RT_INDEX_T3 2 +#define UART_RT_INDEX_TESD 3 /* Escape Sequence Detection */ +#define UART_TIMER_PER_INSTANCE 4 + +#define UART_TIMER_MAX (UART_TIMER_PER_INSTANCE * UART_INSTANCES) + +/* Dynamic Configuration Numbers */ +#define RESET 0 +#ifdef DEBUG_COUNTERS +#define DUMP_COUNTERS 6 +#endif /* DEBUG_COUNTERS */ + +/* + * definition of constants for DTX dynamic buffer management: + */ +#define UART_DTX_MAX_BUF_SIZE 1000 /* max. 1000 bytes */ +#define UART_DTX_MAX_SIZE_MULTIPLIER \ + ((USHORT)(UART_DTX_MAX_BUF_SIZE / uart_data->n1)) + +/*==== GLOBAL VARIABLES ======================================================*/ + +/*==== TYPES ======================================================*/ + +/* + * UART global typedefs + */ +typedef UBYTE T_BIT; + +/* + * definition of sending state for service DRX + */ +typedef enum +{ + UART_DRX_NOT_SENDING, + UART_DRX_SENDING, + UART_DRX_INVALID +} T_DRX_SENDING_STATE; + +/* + * definition of receiving states for service DTX + */ +typedef enum +{ + UART_DTX_NOT_RECEIVING, + UART_DTX_RECEIVING, + UART_DTX_INVALID +} T_DTX_RECEIVING_STATE; + +/* + * definition of sending/receiving state for service KER + */ +typedef enum +{ + UART_KER_NOT_SENDING, + UART_KER_SENDING, + UART_KER_NOT_RECEIVING, + UART_KER_RECEIVING, + UART_KER_INVALID +} T_KER_TRANSMISSION_STATE; + +/* + * definition of timer states for service RT + */ +typedef enum +{ + UART_RT_STARTED, + UART_RT_STOPPED +} T_TIMER_STATE; + +/* + * definition of data flow states + */ +typedef enum +{ + UART_FLOW_DISABLED, + UART_FLOW_ENABLED +} T_DATA_FLOW_STATE; + +/* + * definition of escape sequence detection (ESD) states + */ +typedef enum +{ + UART_ESD_NULL, /* ESD not in progress */ + UART_ESD_CHAR_1, /* first ESD character has been received ('+') */ + UART_ESD_CHAR_2, /* second ESD character... */ + /* third ESD character has been received (fourth would be invalid) */ + UART_ESD_CHAR_3, + /* escape sequence detected, but charcters are not removed from data stream */ + UART_ESD_DETECTED +} T_ESD_STATE; + +/* + * data structure for each service + */ + +typedef struct /* T_KER_DATA */ +{ + UBYTE state; + /* + * Required for state traces. + */ +#ifndef NTRACE + char *name; + char *state_name; +#endif /* !NTRACE */ + + /* + * service specific: UART parameters, normal mode + */ +#ifdef FF_MULTI_PORT + T_GSI_DCB act_dcb; /* device control block */ +#else /* FF_MULTI_PORT */ + T_baudrate act_br; /* baud rate */ + T_bitsPerCharacter act_bpc; /* bit per character */ + T_stopBits act_sb; /* stop bits */ + T_parity act_par; /* parity */ + UBYTE act_xon; /* XOn character */ + UBYTE act_xoff; /* XOff character */ + T_flowCtrlMode act_fc_rx; /* RX flow control mode */ + T_flowCtrlMode act_fc_tx; /* TX flow control mode */ + UBYTE act_ec; /* escape character */ + USHORT act_gp; /* guard period */ +#endif /* FF_MULTI_PORT */ + /* + * service specific: multiplexer mode + */ + UBYTE n2; /* maximum number of retransmissions */ + /* + * service specific: receive part, multiplexer mode + */ + T_desc2* rx_data_desc; /* data received from peer */ + /* state of internal data receiving */ + T_KER_TRANSMISSION_STATE receiving_state; + /* data to be sent to peer */ + T_desc2* tx_data_desc; + /* data waiting for access to tx_data_desc */ + T_desc2* tx_data_waiting; + /* KER currently sending via UART? */ + T_KER_TRANSMISSION_STATE sending_state; + /* data flow enabled/disabled */ + T_DATA_FLOW_STATE data_flow_tx; + /* number of running T1 timers */ + UBYTE nr_t1; + /* number of running T2 timers */ + UBYTE nr_t2; + /* bitfield of received UART primitives */ + ULONG received_prim; + /* state of flushing */ + UBYTE flush_state; +} T_KER_DATA; + + +typedef struct /* T_RX_DATA */ +{ + UBYTE state; + /* + * Required for state traces. + */ +#ifndef NTRACE + char *name; + char *state_name; +#endif /* !NTRACE */ + + +#ifndef FF_MULTI_PORT +#ifdef WIN32 + NU_HISR rx_HISR; +#endif /* WIN32 */ +#endif /* !FF_MULTI_PORT */ + + /* + * ab hier service spezif. + */ +#ifdef FF_MULTI_PORT + T_desc2* mux_buffer; /* buffer in multiplexer mode */ + USHORT mux_pos; /* analyse position in multiplexer mode */ + BOOL waiting_for_data; /* waiting for indication of UART driver */ +#else /* FF_MULTI_PORT */ + T_BIT cldFromIrq; /* indicator whether it is an IRQ call */ + T_reInstMode *reInstall; /* reinstallation mode */ + UBYTE nsource; /* number of readable fragments */ + UBYTE *source[2]; /* addresses of readable fragments */ + USHORT *size; /* sizes of readable fragments */ + BOOL read_permission; /* permission of ISR to read out data */ +#endif /* FF_MULTI_PORT */ + + ULONG lines; /* status of V.24 lines */ + ULONG prev_lines; /* old status of V.24 lines */ + UBYTE dlc_instance; /* instance of DLC table */ + BOOL escape; /* control escape character received */ + UBYTE receive_state; /* state of reception */ + UBYTE analyze_state; /* state of frame analysis */ + UBYTE fcs; /* calculated fcs */ + UBYTE address_field; /* frame address field */ + USHORT stored_len; /* length of stored information field */ +#ifdef _SIMULATION_ + T_desc2* sim_buffer; /* to simulate driver reception buffer */ + USHORT sim_pos; /* position to read next byte */ + BOOL sim_send; /* send DTI_GETDATA_REQ */ +#endif /* _SIMULATION_ */ +} T_RX_DATA; + + +typedef struct /* T_TX_DATA */ +{ + UBYTE state; + /* + * Required for state traces. + */ +#ifndef NTRACE + char *name; + char *state_name; +#endif /* !NTRACE */ + +#ifndef FF_MULTI_PORT +#ifdef WIN32 + NU_HISR tx_HISR; +#endif +#endif /* !FF_MULTI_PORT */ + + /* + * ab hier service spezif. + */ +#ifdef FF_MULTI_PORT + T_desc2* mux_buffer; /* buffer in multiplexer mode */ + USHORT mux_pos; /* transmit position in multiplexer mode */ + BOOL waiting_for_space; /* waiting for indication of UART driver */ +#ifdef _SIMULATION_ + T_desc2* sim_buffer; /* to simulate driver transsion buffer */ + USHORT sim_sent; /* already sent bytes */ + BOOL sim_waiting; /* waiting for READY */ +#endif /* _SIMULATION_ */ +#else /* FF_MULTI_PORT */ + T_BIT cldFromIrq; /* indicator whether it is an IRQ call */ + T_reInstMode *reInstall; /* reinstallation mode */ + UBYTE ndest; /* number of writeable fragments */ + UBYTE *dest[2]; /* addresses of writeable fragments */ + USHORT *size; /* sizes of writeable fragments */ +#endif /* FF_MULTI_PORT */ + + ULONG lines; /* status of V.24 lines */ + UBYTE dlc_instance; /* instance of global channel table */ + UBYTE p_zero; /* relative zero for priority counter */ + UBYTE send_state; /* indicator whether TX is sending */ +} T_TX_DATA; + + +typedef struct /* T_DTX_DATA */ +{ + UBYTE state; + /* + * Required for state traces. + */ +#ifndef NTRACE + char *name; + char *state_name; +#endif /* !NTRACE */ + + /* + * service specific: + */ + /* stores generic data descriptor to send */ + T_desc2 *to_send_data; + /* current size of to send data descriptor */ + USHORT cur_desc_size; + /* next to write position in current descriptor */ + USHORT write_pos; + /* multiplier to dynamically adapt cur_desc_size; min. is 3 */ + USHORT size_multiplier; + /* flow control state (X bit) */ + UBYTE st_flow; + /* line state SA */ + UBYTE st_line_sa; + /* line state SB */ + UBYTE st_line_sb; + /* escape state */ + UBYTE st_break_len; + /* indicator whether line states changed */ + BOOL lines_changed; + /* state of internal data receiving */ + T_DTX_RECEIVING_STATE receiving_state; + /* indicator whether data flow is enabled or disabled */ + T_DATA_FLOW_STATE data_flow; +#if defined DTILIB +/* state of DTILIB connection */ + UBYTE dti_dtx_state; +#else + /* vsi handle for uplink of this entity */ + T_HANDLE hComm_DTX_UPLINK; +#endif + /* dlc instance wich belongs to this DTX instance */ + UBYTE dlc_instance; + /* enable/disable escape sequence detection */ + UBYTE detect_escape; + /* escape sequence detection state */ + T_ESD_STATE esd_state; + /* escape sequence detection guard period time */ + T_TIME esd_guard_time; + /* escape sequence detection scan position */ + USHORT esd_pos; +#ifdef _SIMULATION_ + char *esd_state_name; +#endif +} T_DTX_DATA; + + +typedef struct /* T_DRX_DATA */ +{ + UBYTE state; + /* + * Required for state traces. + */ +#ifndef NTRACE + char *name; + char *state_name; +#endif /* !NTRACE */ + + /* + * service specific: + */ + /* DRX currently sending via UART? */ + T_DRX_SENDING_STATE sending_state; + /* data flow enabled/disabled */ + T_DATA_FLOW_STATE data_flow; + + /* data descriptor received via DTI */ + T_desc2* received_data; + /* already processed data */ + USHORT read_pos; +#if defined DTILIB + /* state of DTILIB connection */ + UBYTE dti_drx_state; +#else + /* vsi handle for uplink of this entity */ + T_HANDLE hComm_DRX_UPLINK; +#endif + /* dlc instance wich belongs to this DRX instance */ + UBYTE dlc_instance; +} T_DRX_DATA; + + +typedef struct /* T_RT_DATA */ +{ + UBYTE state; + /* + * Required for state traces. + */ +#ifndef NTRACE + char *name; + char *state_name; +#endif /* !NTRACE */ + + /* + * service specific: + */ + T_TIMER_STATE state_t1; /* state of timer T1 */ + T_TIMER_STATE state_t2; /* state of timer T2 */ + T_TIMER_STATE state_t3; /* state of timer T3 */ + T_TIMER_STATE state_tesd; /* state of timer TESD */ + T_TIME t1; /* start value of timer T1 */ + T_TIME t2; /* start value of timer T2 */ + T_TIME t3; /* start value of timer T3 */ + T_TIME tesd; /* start value of timer TESD */ + +} T_RT_DATA; + + +/* + * global channel structure + */ +typedef struct /* T_DLC */ +{ + T_DRX_DATA *drx; /* instance of appropriate DRX service */ + T_DTX_DATA *dtx; /* instance of appropriate DTX service */ + + UBYTE dlci; /* Data Link Connection Identifier */ + UBYTE priority; /* priority of dlc */ +#if defined DTILIB + UBYTE dti_state; /* state of DTILIB connection */ +#else + T_HANDLE hCommUPLINK; /* VSI connection handle */ +#endif + UBYTE connection_state; /* state of DLC connection */ + + /* + * information for service TX + */ + T_desc2* transmit_data; /* data to transmit to the TE */ + USHORT transmit_pos; /* start position to transmit */ + UBYTE p_counter; /* priority counter to dermine send interval */ + + /* + * information for service RX + */ + T_desc2* receive_data; /* descriptor to write */ + USHORT receive_pos; /* start position to write */ + USHORT receive_size; /* size of write descriptor */ + UBYTE receive_process; /* state of receive process */ + + /* + * information for service KER + */ + T_desc2* last_command; /* last sent command frame */ + T_desc2* next_command; /* next command frames to send */ + UBYTE retransmissions; /* number of retransmissions of command frame */ + ULONG lines; /* line states of DLC */ + UBYTE service; + UBYTE codec; + ULONG received_prim; /* bitfield of received UART primitives */ + BOOL flushed; /* indicator whether DLC is flushed */ +} T_DLC; + + +/* + * summery of all service + */ + +typedef struct /* T_UART_DATA */ +{ + + /* + * UART layer parameters + */ + UBYTE version; + + /* + * Service data structures + * + * Services with multiple incarnations require an array of structures + * named xxx_base[] with xxx = service abbrevation, and additionally a + * pointer named *xxx, which will be accessed instead of xxx_base. + * + * Services with only one incarnation just have to declare one structure + * named xxx (no need for xxx_base[] and *xxx). + * + * The differentiation between the two access possibilites is made with + * the defines of the service names above (UART_SERVICE_XXX). + */ + T_KER_DATA ker; + T_RX_DATA rx; + T_TX_DATA tx; + T_DRX_DATA drx_base[UART_MAX_NUMBER_OF_CHANNELS]; + T_DRX_DATA *drx; + T_DTX_DATA dtx_base[UART_MAX_NUMBER_OF_CHANNELS]; + T_DTX_DATA *dtx; + T_RT_DATA rt; + + /* + * global UART variables + */ + UBYTE device; /* index of the UART channel for this instance */ + USHORT n1; /* max. length of a frame in multiplexer mode */ + UBYTE xon; /* XON character for software flow control */ + UBYTE xoff; /* XOFF character for software flow control */ + T_DLC dlc_table[UART_MAX_NUMBER_OF_CHANNELS + 1]; /* channel table */ + UBYTE dlc_instance[64]; /* lookup table for for DLC instances */ + USHORT timer_t1_index; /* Index of timer T1 in this instance */ + USHORT timer_t2_index; /* Index of timer T2 in this instance */ + USHORT timer_t3_index; /* Index of timer T3 in this instance */ + USHORT timer_tesd_index;/* Index of timer TESD in this instance */ + UBYTE act_ec; /* Escape Character */ + USHORT act_gp; /* Guard Period */ + +#ifdef WIN32 + UBYTE HISR_stack[HISR_STACK_SIZE]; +#endif + + /* + * global UART constants + */ + UBYTE* fcstab; /* lookup table for FCS calculation */ +} T_UART_DATA; + +#ifndef DTILIB +/* + * global table which maps an unique c_id to + * pointers of DRX/DTX instances which serve this channel + */ +typedef struct /* T_UART_CID_TABLE */ +{ + UBYTE c_id; /* channel id */ + T_UART_DATA* uart_data; /* pointer to UART data for this channel */ + T_DRX_DATA* drx; /* pointer to DRX service for this channel */ + T_DTX_DATA* dtx; /* pointer to DTX service for this channel */ +} T_UART_CID_TABLE; +#endif /* DTILIB */ + +/*==== EXPORT =====================================================*/ + + +/* + * Entity data base + */ + +#ifdef UART_PEI_C +/* + * FCS lookup table + */ +static UBYTE uart_fcstable_base[256] = { /* reversed, 8-bit, poly=0x07 */ + 0x00, 0x91, 0xE3, 0x72, 0x07, 0x96, 0xE4, 0x75, + 0x0E, 0x9F, 0xED, 0x7C, 0x09, 0x98, 0xEA, 0x7B, + 0x1C, 0x8D, 0xFF, 0x6E, 0x1B, 0x8A, 0xF8, 0x69, + 0x12, 0x83, 0xF1, 0x60, 0x15, 0x84, 0xF6, 0x67, + 0x38, 0xA9, 0xDB, 0x4A, 0x3F, 0xAE, 0xDC, 0x4D, + 0x36, 0xA7, 0xD5, 0x44, 0x31, 0xA0, 0xD2, 0x43, + 0x24, 0xB5, 0xC7, 0x56, 0x23, 0xB2, 0xC0, 0x51, + 0x2A, 0xBB, 0xC9, 0x58, 0x2D, 0xBC, 0xCE, 0x5F, + 0x70, 0xE1, 0x93, 0x02, 0x77, 0xE6, 0x94, 0x05, + 0x7E, 0xEF, 0x9D, 0x0C, 0x79, 0xE8, 0x9A, 0x0B, + 0x6C, 0xFD, 0x8F, 0x1E, 0x6B, 0xFA, 0x88, 0x19, + 0x62, 0xF3, 0x81, 0x10, 0x65, 0xF4, 0x86, 0x17, + 0x48, 0xD9, 0xAB, 0x3A, 0x4F, 0xDE, 0xAC, 0x3D, + 0x46, 0xD7, 0xA5, 0x34, 0x41, 0xD0, 0xA2, 0x33, + 0x54, 0xC5, 0xB7, 0x26, 0x53, 0xC2, 0xB0, 0x21, + 0x5A, 0xCB, 0xB9, 0x28, 0x5D, 0xCC, 0xBE, 0x2F, + 0xE0, 0x71, 0x03, 0x92, 0xE7, 0x76, 0x04, 0x95, + 0xEE, 0x7F, 0x0D, 0x9C, 0xE9, 0x78, 0x0A, 0x9B, + 0xFC, 0x6D, 0x1F, 0x8E, 0xFB, 0x6A, 0x18, 0x89, + 0xF2, 0x63, 0x11, 0x80, 0xF5, 0x64, 0x16, 0x87, + 0xD8, 0x49, 0x3B, 0xAA, 0xDF, 0x4E, 0x3C, 0xAD, + 0xD6, 0x47, 0x35, 0xA4, 0xD1, 0x40, 0x32, 0xA3, + 0xC4, 0x55, 0x27, 0xB6, 0xC3, 0x52, 0x20, 0xB1, + 0xCA, 0x5B, 0x29, 0xB8, 0xCD, 0x5C, 0x2E, 0xBF, + 0x90, 0x01, 0x73, 0xE2, 0x97, 0x06, 0x74, 0xE5, + 0x9E, 0x0F, 0x7D, 0xEC, 0x99, 0x08, 0x7A, 0xEB, + 0x8C, 0x1D, 0x6F, 0xFE, 0x8B, 0x1A, 0x68, 0xF9, + 0x82, 0x13, 0x61, 0xF0, 0x85, 0x14, 0x66, 0xF7, + 0xA8, 0x39, 0x4B, 0xDA, 0xAF, 0x3E, 0x4C, 0xDD, + 0xA6, 0x37, 0x45, 0xD4, 0xA1, 0x30, 0x42, 0xD3, + 0xB4, 0x25, 0x57, 0xC6, 0xB3, 0x22, 0x50, 0xC1, + 0xBA, 0x2B, 0x59, 0xC8, 0xBD, 0x2C, 0x5E, 0xCF +}; + +T_UART_DATA uart_data_base[ UART_INSTANCES ], *uart_data; + +#ifndef DTILIB +/* + * global table which maps an unique c_id to the instance + * number of the UART instance which serves this channel + */ +T_UART_CID_TABLE uart_cid_table[ UART_INSTANCES * \ + UART_MAX_NUMBER_OF_CHANNELS ]; +#endif /* !DTILIB */ + +#else /* UART_PEI_C */ +EXTERN UBYTE uart_fcstable_base[256]; +EXTERN T_UART_DATA uart_data_base[], *uart_data; +#ifndef DTILIB +EXTERN T_UART_CID_TABLE uart_cid_table[]; +#endif /* !UART_DTILIB */ +/* + * function prototypes + */ +#ifdef FF_MULTI_PORT +EXTERN void pei_uart_driver_signal (T_DRV_SIGNAL *SigPtr); +#endif /* FF_MULTI_PORT */ +#endif /* UART_PEI_C */ + +#define ENTITY_DATA uart_data + +/* + * prefix service functions + */ +#define ker_init _ENTITY_PREFIXED(ker_init) +#define rx_init _ENTITY_PREFIXED(rx_init) +#define tx_init _ENTITY_PREFIXED(tx_init) +#define drx_init _ENTITY_PREFIXED(drx_init) +#define dtx_init _ENTITY_PREFIXED(dtx_init) +#define rt_init _ENTITY_PREFIXED(rt_init) +#define rx_read_data _ENTITY_PREFIXED(rx_read_data) +#define tx_write_data _ENTITY_PREFIXED(tx_write_data) +#define tx_create_hdlc_frame _ENTITY_PREFIXED(tx_create_hdlc_frame) + +#if defined (DTILIB) +#ifdef _SIMULATION_ +#define sig_dti_ker_connection_opened_ind \ + _ENTITY_PREFIXED(sig_dti_ker_connection_opened_ind) +#define sig_dti_ker_connection_closed_ind \ + _ENTITY_PREFIXED(sig_dti_ker_connection_closed_ind) +#define sig_dti_drx_data_received_ind \ + _ENTITY_PREFIXED(sig_dti_drx_data_received_ind) +#define sig_dti_dtx_tx_buffer_full_ind \ + _ENTITY_PREFIXED(sig_dti_dtx_tx_buffer_full_ind) +#define sig_dti_dtx_tx_buffer_ready_ind \ + _ENTITY_PREFIXED(sig_dti_dtx_tx_buffer_ready_ind) + +#ifdef DTI2 +/* + * for the driver-simulation dti channel, the c_id parameter + * is already in use for transmission of control information + * (which was formerly stored in the tui .. ;), unfortunately. + * NOTE: not yet implemented!!! + */ +#define UART_TEST_C_ID_1 0 +#define UART_TEST_C_ID_2 1 + + + +/* + * these are __in no way__ real link_ids. Instead, the variable is used for + * communication between the entity and the test environment, here. In + * previous versions, the tui was used for this, but since DTI2 primitives do + * not contain such a parameter any more, the dirty work has been passed on to + * the link_id .. + * + * This is directly taken from + */ + +#define LINK_READDATA_PORT_1 0 /* misused link_id for read_data call */ +#define LINK_DISABLE_PORT_1 1 /* misused link_id for disable call */ +#define LINK_ENABLE_PORT_1 2 /* misused link_id for enable call */ +#define LINK_WRITEDATA_PORT_1 3 /* misused link_id for write_data call */ + +#define LINK_READDATA_PORT_2 10 /* misused link_id for read_data call */ +#define LINK_DISABLE_PORT_2 11 /* misused link_id for disable call */ +#define LINK_ENABLE_PORT_2 12 /* misused link_id for enable call */ +#define LINK_WRITEDATA_PORT_2 13 /* misused link_id for write_data call */ + +#define LINK_UART_OUT_PORT_1 0 /* misused link_id of UART_OUT test interface */ +#define LINK_UART_OUT_PORT_2 10 /* misused link_id of UART_OUT test interface */ + +#define LINK_PORT_THRESHOLD 9 /* to be able to distinguish between port 1 and port2 */ + +#endif /* DTI2 */ + +#endif /* _SIMULATION_ */ + +#endif /* DTILIB */ + + +/* + * Communication handles (see also UART_PEI.C) + */ +#ifdef UART_PEI_C + + T_HANDLE hCommMMI = VSI_ERROR; + T_HANDLE hCommUART = VSI_ERROR; + T_HANDLE UART_handle; + +/* + * make the pei_create function unique + */ +#define pei_create _ENTITY_PREFIXED(pei_create) + +#else /* UART_PEI_C */ + + EXTERN T_HANDLE hCommMMI; + EXTERN T_HANDLE hCommUART; + EXTERN T_HANDLE UART_handle; + /* + * functions for switching of entities/instances + */ +#ifndef DTILIB + EXTERN UBYTE pei_select_instances( UBYTE incoming_c_id ); +#endif + +#endif /* UART_PEI_C */ + +#ifdef DTILIB + EXTERN DTI_HANDLE uart_hDTI; +#endif + +#endif /* !UART_H */