Reimplement srq/control callback
| | |
| | | {.pattern = "MEASure:FRESistance?", .callback = SCPI_StubQ,}, |
| | | {.pattern = "MEASure:FREQuency?", .callback = SCPI_StubQ,}, |
| | | {.pattern = "MEASure:PERiod?", .callback = SCPI_StubQ,}, |
| | | |
| | | {.pattern = "SYSTem:COMMunication:TCPIP:CONTROL?", .callback = SCPI_SystemCommTcpipControlQ,}, |
| | | |
| | | SCPI_CMD_LIST_END |
| | | }; |
| | |
| | | .error = SCPI_Error, |
| | | .reset = SCPI_Reset, |
| | | .test = SCPI_Test, |
| | | .srq = SCPI_Srq, |
| | | .control = SCPI_Control, |
| | | .flush = SCPI_Flush, |
| | | }; |
| | | |
| | | #define SCPI_INPUT_BUFFER_LENGTH 256 |
| | |
| | | |
| | | size_t SCPI_Write(scpi_t * context, const char * data, size_t len); |
| | | int SCPI_Error(scpi_t * context, int_fast16_t err); |
| | | scpi_result_t SCPI_Srq(scpi_t * context); |
| | | scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val); |
| | | scpi_result_t SCPI_Reset(scpi_t * context); |
| | | scpi_result_t SCPI_Test(scpi_t * context); |
| | | scpi_result_t SCPI_Flush(scpi_t * context); |
| | | |
| | | |
| | | |
| | | scpi_result_t SCPI_SystemCommTcpipControlQ(scpi_t * context); |
| | | |
| | | #endif // __SCPI_DEF_H_ |
| | | |
| | |
| | | return fwrite(data, 1, len, stdout); |
| | | } |
| | | |
| | | scpi_result_t SCPI_Flush(scpi_t * context) { |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | int SCPI_Error(scpi_t * context, int_fast16_t err) { |
| | | (void) context; |
| | | |
| | |
| | | return 0; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Srq(scpi_t * context) { |
| | | scpi_reg_val_t stb = SCPI_RegGet(context, SCPI_REG_STB); |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", stb, stb); |
| | | scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val) { |
| | | if (SCPI_CTRL_SRQ == ctrl) { |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", val, val); |
| | | } else { |
| | | fprintf(stderr, "**CTRL %02x: 0x%X (%d)\r\n", ctrl, val, val); |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | scpi_result_t SCPI_SystemCommTcpipControlQ(scpi_t * context) { |
| | | return SCPI_RES_ERR; |
| | | } |
| | | /* |
| | | * |
| | | */ |
| | |
| | | return fwrite(data, 1, len, stdout); |
| | | } |
| | | |
| | | scpi_result_t SCPI_Flush(scpi_t * context) { |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | int SCPI_Error(scpi_t * context, int_fast16_t err) { |
| | | (void) context; |
| | | |
| | |
| | | return 0; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Srq(scpi_t * context) { |
| | | scpi_reg_val_t stb = SCPI_RegGet(context, SCPI_REG_STB); |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", stb, stb); |
| | | scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val) { |
| | | if (SCPI_CTRL_SRQ == ctrl) { |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", val, val); |
| | | } else { |
| | | fprintf(stderr, "**CTRL %02x: 0x%X (%d)\r\n", ctrl, val, val); |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | scpi_result_t SCPI_SystemCommTcpipControlQ(scpi_t * context) { |
| | | return SCPI_RES_ERR; |
| | | } |
| | | |
| | | /* |
| | | * |
| | | */ |
New file |
| | |
| | | |
| | | PROG = test |
| | | |
| | | SRCS = main.c ../common/scpi-def.c |
| | | CFLAGS += -Wextra -I ../../libscpi/inc/ |
| | | LDFLAGS += ../../libscpi/dist/libscpi.a |
| | | |
| | | |
| | | all: $(PROG) |
| | | |
| | | OBJS = $(SRCS:.c=.o) |
| | | |
| | | .c.o: |
| | | $(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $< |
| | | |
| | | $(PROG): $(OBJS) |
| | | $(CC) -o $@ $(OBJS) $(LDFLAGS) |
| | | |
| | | clean: |
| | | $(RM) $(PROG) $(OBJS) |
New file |
| | |
| | | /*- |
| | | * Copyright (c) 2012-2013 Jan Breuer, |
| | | * |
| | | * All Rights Reserved |
| | | * |
| | | * Redistribution and use in source and binary forms, with or without |
| | | * modification, are permitted provided that the following conditions are |
| | | * met: |
| | | * 1. Redistributions of source code must retain the above copyright notice, |
| | | * this list of conditions and the following disclaimer. |
| | | * 2. Redistributions in binary form must reproduce the above copyright |
| | | * notice, this list of conditions and the following disclaimer in the |
| | | * documentation and/or other materials provided with the distribution. |
| | | * |
| | | * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR |
| | | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| | | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| | | * DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE |
| | | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| | | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| | | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| | | * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| | | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| | | * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| | | * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | | */ |
| | | |
| | | /** |
| | | * @file main.c |
| | | * @date Thu Nov 15 10:58:45 UTC 2012 |
| | | * |
| | | * @brief TCP/IP SCPI Server |
| | | * |
| | | * |
| | | */ |
| | | |
| | | #include <stdio.h> |
| | | #include <stdlib.h> |
| | | #include <string.h> |
| | | |
| | | #include <netinet/in.h> |
| | | #include <sys/select.h> |
| | | #include <sys/socket.h> |
| | | #include <sys/ioctl.h> |
| | | #include <errno.h> |
| | | #include <arpa/inet.h> |
| | | |
| | | #include "scpi/scpi.h" |
| | | #include "../common/scpi-def.h" |
| | | |
| | | #define CONTROL_PORT 5026 |
| | | |
| | | |
| | | |
| | | typedef struct { |
| | | int io; |
| | | int io_listen; |
| | | int control_io; |
| | | int control_io_listen; |
| | | FILE * fio; |
| | | fd_set fds; |
| | | } user_data_t; |
| | | |
| | | size_t SCPI_Write(scpi_t * context, const char * data, size_t len) { |
| | | if (context->user_context != NULL) { |
| | | user_data_t * u = (user_data_t *)(context->user_context); |
| | | if (u->fio) { |
| | | return fwrite(data, 1, len, u->fio); |
| | | } |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Flush(scpi_t * context) { |
| | | if (context->user_context != NULL) { |
| | | user_data_t * u = (user_data_t *)(context->user_context); |
| | | if (u->fio) { |
| | | return fflush(u->fio) == 0 ? SCPI_RES_OK : SCPI_RES_ERR; |
| | | } |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | int SCPI_Error(scpi_t * context, int_fast16_t err) { |
| | | (void) context; |
| | | // BEEP |
| | | fprintf(stderr, "**ERROR: %d, \"%s\"\r\n", (int32_t) err, SCPI_ErrorTranslate(err)); |
| | | return 0; |
| | | } |
| | | |
| | | |
| | | scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val) { |
| | | char b[16]; |
| | | |
| | | if (SCPI_CTRL_SRQ == ctrl) { |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", val, val); |
| | | } else { |
| | | fprintf(stderr, "**CTRL %02x: 0x%X (%d)\r\n", ctrl, val, val); |
| | | } |
| | | |
| | | if (context->user_context != NULL) { |
| | | user_data_t * u = (user_data_t *)(context->user_context); |
| | | if (u->control_io >= 0) { |
| | | snprintf(b, sizeof(b), "SRQ%d\r\n", val); |
| | | return write(u->control_io, b, strlen(b)) > 0 ? SCPI_RES_OK : SCPI_RES_ERR; |
| | | } |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Test(scpi_t * context) { |
| | | fprintf(stderr, "**Test\r\n"); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Reset(scpi_t * context) { |
| | | fprintf(stderr, "**Reset\r\n"); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | scpi_result_t SCPI_SystemCommTcpipControlQ(scpi_t * context) { |
| | | SCPI_ResultInt(context, CONTROL_PORT); |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | static int createServer(int port) { |
| | | int fd; |
| | | int rc; |
| | | int on = 1; |
| | | struct sockaddr_in servaddr; |
| | | |
| | | /* Configure TCP Server */ |
| | | bzero(&servaddr, sizeof(servaddr)); |
| | | servaddr.sin_family = AF_INET; |
| | | servaddr.sin_addr.s_addr=htonl(INADDR_ANY); |
| | | servaddr.sin_port=htons(port); |
| | | |
| | | /* Create socket */ |
| | | fd = socket(AF_INET,SOCK_STREAM, 0); |
| | | if (fd < 0) |
| | | { |
| | | perror("socket() failed"); |
| | | exit(-1); |
| | | } |
| | | |
| | | /* Set address reuse enable */ |
| | | rc = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)); |
| | | if (rc < 0) |
| | | { |
| | | perror("setsockopt() failed"); |
| | | close(fd); |
| | | exit(-1); |
| | | } |
| | | |
| | | /* Set non blocking */ |
| | | rc = ioctl(fd, FIONBIO, (char *)&on); |
| | | if (rc < 0) |
| | | { |
| | | perror("ioctl() failed"); |
| | | close(fd); |
| | | exit(-1); |
| | | } |
| | | |
| | | /* Bind to socket */ |
| | | rc = bind(fd, (struct sockaddr *)&servaddr, sizeof(servaddr)); |
| | | if (rc < 0) |
| | | { |
| | | perror("bind() failed"); |
| | | close(fd); |
| | | exit(-1); |
| | | } |
| | | |
| | | /* Listen on socket */ |
| | | listen(fd, 1); |
| | | if (rc < 0) |
| | | { |
| | | perror("listen() failed"); |
| | | close(fd); |
| | | exit(-1); |
| | | } |
| | | |
| | | return fd; |
| | | } |
| | | |
| | | static int waitServer(user_data_t * user_data) { |
| | | struct timeval timeout; |
| | | int rc; |
| | | |
| | | FD_ZERO(&user_data->fds); |
| | | |
| | | if (user_data->io >= 0) { |
| | | FD_SET(user_data->io, &user_data->fds); |
| | | } |
| | | |
| | | if (user_data->io_listen >= 0) { |
| | | FD_SET(user_data->io_listen, &user_data->fds); |
| | | } |
| | | |
| | | if (user_data->control_io >= 0) { |
| | | FD_SET(user_data->control_io, &user_data->fds); |
| | | } |
| | | |
| | | if (user_data->control_io_listen >= 0) { |
| | | FD_SET(user_data->control_io_listen, &user_data->fds); |
| | | } |
| | | |
| | | timeout.tv_sec = 5; |
| | | timeout.tv_usec = 0; |
| | | |
| | | rc = select(FD_SETSIZE, &user_data->fds, NULL, NULL, &timeout); |
| | | |
| | | return rc; |
| | | } |
| | | |
| | | |
| | | static int processIoListen(user_data_t * user_data) { |
| | | struct sockaddr_in cliaddr; |
| | | socklen_t clilen; |
| | | clilen = sizeof(cliaddr); |
| | | |
| | | user_data->io = accept(user_data->io_listen, (struct sockaddr *)&cliaddr, &clilen); |
| | | user_data->fio = fdopen(user_data->io, "r+"); |
| | | |
| | | printf("Connection established %s\r\n", inet_ntoa(cliaddr.sin_addr)); |
| | | } |
| | | |
| | | static int processSrqIoListen(user_data_t * user_data) { |
| | | struct sockaddr_in cliaddr; |
| | | socklen_t clilen; |
| | | clilen = sizeof(cliaddr); |
| | | |
| | | user_data->control_io = accept(user_data->control_io_listen, (struct sockaddr *)&cliaddr, &clilen); |
| | | printf("Control Connection established %s\r\n", inet_ntoa(cliaddr.sin_addr)); |
| | | } |
| | | |
| | | static void closeIo(user_data_t * user_data) { |
| | | fclose(user_data->fio); |
| | | user_data->fio = NULL; |
| | | user_data->io = -1; |
| | | } |
| | | |
| | | static void closeSrqIo(user_data_t * user_data) { |
| | | close(user_data->control_io); |
| | | user_data->control_io = -1; |
| | | } |
| | | |
| | | static int processIo(user_data_t * user_data) { |
| | | int rc; |
| | | char smbuffer[10]; |
| | | rc = recv(user_data->io, smbuffer, sizeof(smbuffer), 0); |
| | | if (rc < 0) { |
| | | if (errno != EWOULDBLOCK) { |
| | | closeIo(user_data); |
| | | perror(" recv() failed"); |
| | | } |
| | | } else if (rc == 0) { |
| | | closeIo(user_data); |
| | | printf("Connection closed\r\n"); |
| | | } else { |
| | | SCPI_Input(&scpi_context, smbuffer, rc); |
| | | } |
| | | } |
| | | |
| | | static int processSrqIo(user_data_t * user_data) { |
| | | int rc; |
| | | char smbuffer[10]; |
| | | rc = recv(user_data->control_io, smbuffer, sizeof(smbuffer), 0); |
| | | if (rc < 0) { |
| | | if (errno != EWOULDBLOCK) { |
| | | closeSrqIo(user_data); |
| | | perror(" recv() failed"); |
| | | } |
| | | } else if (rc == 0) { |
| | | closeSrqIo(user_data); |
| | | printf("Control Connection closed\r\n"); |
| | | } else { |
| | | // nothing to do |
| | | } |
| | | } |
| | | |
| | | /* |
| | | * |
| | | */ |
| | | int main(int argc, char** argv) { |
| | | (void) argc; |
| | | (void) argv; |
| | | int rc; |
| | | |
| | | user_data_t user_data = { |
| | | .io_listen = -1, |
| | | .io = -1, |
| | | .control_io_listen = -1, |
| | | .control_io = -1, |
| | | .fio = NULL, |
| | | }; |
| | | |
| | | // user_context will be pointer to socket |
| | | scpi_context.user_context = &user_data; |
| | | |
| | | SCPI_Init(&scpi_context); |
| | | |
| | | user_data.io_listen = createServer(5025); |
| | | user_data.control_io_listen = createServer(CONTROL_PORT); |
| | | |
| | | while(1) { |
| | | rc = waitServer(&user_data); |
| | | |
| | | if (rc < 0) { // failed |
| | | perror("select failed"); |
| | | exit(-1); |
| | | } |
| | | |
| | | if (rc == 0) { // timeout |
| | | SCPI_Input(&scpi_context, NULL, 0); |
| | | } |
| | | |
| | | if ((user_data.io_listen >= 0) && FD_ISSET(user_data.io_listen, &user_data.fds)) { |
| | | processIoListen(&user_data); |
| | | } |
| | | |
| | | if ((user_data.control_io_listen >= 0) && FD_ISSET(user_data.control_io_listen, &user_data.fds)) { |
| | | processSrqIoListen(&user_data); |
| | | } |
| | | |
| | | if ((user_data.io >= 0) && FD_ISSET(user_data.io, &user_data.fds)) { |
| | | processIo(&user_data); |
| | | } |
| | | |
| | | if ((user_data.control_io >= 0) && FD_ISSET(user_data.control_io, &user_data.fds)) { |
| | | processSrqIo(&user_data); |
| | | } |
| | | |
| | | } |
| | | |
| | | return (EXIT_SUCCESS); |
| | | } |
| | | |
| | |
| | | return 0; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Flush(scpi_t * context) { |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | int SCPI_Error(scpi_t * context, int_fast16_t err) { |
| | | (void) context; |
| | | // BEEP |
| | |
| | | return 0; |
| | | } |
| | | |
| | | scpi_result_t SCPI_Srq(scpi_t * context) { |
| | | scpi_reg_val_t stb = SCPI_RegGet(context, SCPI_REG_STB); |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", stb, stb); |
| | | scpi_result_t SCPI_Control(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val) { |
| | | if (SCPI_CTRL_SRQ == ctrl) { |
| | | fprintf(stderr, "**SRQ: 0x%X (%d)\r\n", val, val); |
| | | } else { |
| | | fprintf(stderr, "**CTRL %02x: 0x%X (%d)\r\n", ctrl, val, val); |
| | | } |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | |
| | | return SCPI_RES_OK; |
| | | } |
| | | |
| | | scpi_result_t SCPI_SystemCommTcpipControlQ(scpi_t * context) { |
| | | return SCPI_RES_ERR; |
| | | } |
| | | |
| | | static int createServer(int port) { |
| | | int fd; |
| | |
| | | typedef bool bool_t; |
| | | //typedef enum { FALSE = 0, TRUE } bool_t; |
| | | |
| | | /* scpi interface */ |
| | | typedef struct _scpi_t scpi_t; |
| | | typedef struct _scpi_interface_t scpi_interface_t; |
| | | typedef struct _scpi_buffer_t scpi_buffer_t; |
| | | typedef size_t(*scpi_write_t)(scpi_t * context, const char * data, size_t len); |
| | | typedef int (*scpi_error_callback_t)(scpi_t * context, int_fast16_t error); |
| | | /* IEEE 488.2 registers */ |
| | | typedef enum _scpi_reg_name_t scpi_reg_name_t; |
| | | typedef enum _scpi_ctrl_name_t scpi_ctrl_name_t; |
| | | typedef uint16_t scpi_reg_val_t; |
| | | |
| | | /* scpi commands */ |
| | | typedef enum _scpi_result_t scpi_result_t; |
| | | typedef struct _scpi_param_list_t scpi_param_list_t; |
| | | typedef struct _scpi_command_t scpi_command_t; |
| | | |
| | | /* scpi interface */ |
| | | typedef struct _scpi_t scpi_t; |
| | | typedef struct _scpi_interface_t scpi_interface_t; |
| | | typedef struct _scpi_buffer_t scpi_buffer_t; |
| | | typedef size_t(*scpi_write_t)(scpi_t * context, const char * data, size_t len); |
| | | typedef scpi_result_t(*scpi_write_control_t)(scpi_t * context, scpi_ctrl_name_t ctrl, scpi_reg_val_t val); |
| | | typedef int (*scpi_error_callback_t)(scpi_t * context, int_fast16_t error); |
| | | |
| | | typedef scpi_result_t(*scpi_command_callback_t)(scpi_t *); |
| | | |
| | | |
| | | /* scpi error queue */ |
| | | typedef void * scpi_error_queue_t; |
| | | |
| | |
| | | typedef enum _scpi_special_number_t scpi_special_number_t; |
| | | typedef struct _scpi_special_number_def_t scpi_special_number_def_t; |
| | | typedef struct _scpi_number_t scpi_number_t; |
| | | |
| | | /* IEEE 488.2 registers */ |
| | | typedef enum _scpi_reg_name_t scpi_reg_name_t; |
| | | typedef uint16_t scpi_reg_val_t; |
| | | |
| | | struct _scpi_param_list_t { |
| | | const scpi_command_t * cmd; |
| | |
| | | struct _scpi_interface_t { |
| | | scpi_error_callback_t error; |
| | | scpi_write_t write; |
| | | scpi_write_control_t control; |
| | | scpi_command_callback_t flush; |
| | | scpi_command_callback_t reset; |
| | | scpi_command_callback_t test; |
| | | scpi_command_callback_t srq; |
| | | }; |
| | | |
| | | struct _scpi_t { |
| | |
| | | /* last definition - number of registers */ |
| | | SCPI_REG_COUNT, |
| | | }; |
| | | |
| | | |
| | | enum _scpi_ctrl_name_t { |
| | | SCPI_CTRL_SRQ = 1, // service request |
| | | SCPI_CTRL_GTL, // Go to local |
| | | SCPI_CTRL_SDC, // Selected device clear |
| | | SCPI_CTRL_PPC, // Parallel poll configure |
| | | SCPI_CTRL_GET, // Group execute trigger |
| | | SCPI_CTRL_TCT, // Take control |
| | | SCPI_CTRL_LLO, // Device clear |
| | | SCPI_CTRL_DCL, // Local lockout |
| | | SCPI_CTRL_PPU, // Parallel poll unconfigure |
| | | SCPI_CTRL_SPE, // Serial poll enable |
| | | SCPI_CTRL_SPD, // Serial poll disable |
| | | SCPI_CTRL_MLA, // My local address |
| | | SCPI_CTRL_UNL, // Unlisten |
| | | SCPI_CTRL_MTA, // My talk address |
| | | SCPI_CTRL_UNT, // Untalk |
| | | SCPI_CTRL_MSA, // My secondary address |
| | | }; |
| | | |
| | | #ifdef __cplusplus |
| | | } |
| | |
| | | #include "scpi/error.h" |
| | | #include "scpi/constants.h" |
| | | |
| | | #include <stdio.h> |
| | | |
| | | /** |
| | | * Update register value |
| | | * @param name - register name |
| | |
| | | } else { |
| | | return 0; |
| | | } |
| | | } |
| | | |
| | | static size_t writeControl(scpi_t * context, int ctrl, scpi_reg_val_t val) { |
| | | if (context && context->interface && context->interface->control) { |
| | | context->interface->control(context, ctrl, val); |
| | | } |
| | | } |
| | | |
| | | /** |
| | |
| | | // set updated register value |
| | | context->registers[name] = val; |
| | | |
| | | if (srq && context->interface && context->interface->srq) { |
| | | context->interface->srq(context); |
| | | if (srq) { |
| | | writeControl(context, SCPI_CTRL_SRQ, SCPI_RegGet(context, SCPI_REG_STB)); |
| | | } |
| | | } |
| | | |