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125 lines
2.5 KiB
125 lines
2.5 KiB
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "source/scpi_parser.h"
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// ------- TESTING ----------
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static void send_cmd(const char *cmd)
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{
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printf("\n> %s\n", cmd);
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scpi_handle_string(cmd);
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}
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int main()
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{
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send_cmd("*IDN?\n"); // builtin commands..
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send_cmd("*SRE 4\n"); // enable SRQ on error
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send_cmd("FOO:BAR:BAZ\n"); // invalid command causes error
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send_cmd("SYST:ERR:COUNT?\n"); // error subsystem
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send_cmd("SYST:ERR:NEXT?; COUNT?; NEXT?\n"); // semicolon works according to spec
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send_cmd("DATA:BLOB #216abcdefghijklmnop\n"); // binary data block
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send_cmd("APPLY:SINE 50, 1.0, 2.17\n"); // floats
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send_cmd("DISP:TEXT \"Hello world\"\n"); // string
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// test user error
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send_cmd("*CLS\n"); // string
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send_cmd("USERERROR\n"); // string
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send_cmd("SYST:ERR:COUNT?\n");
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send_cmd("SYST:ERR:NEXT?\n");
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}
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// ---- Test device impl ----
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const SCPI_error_desc scpi_user_errors[] = {
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{10, "Custom error"},
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{0} // terminator
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};
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void scpi_send_byte_impl(uint8_t b)
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{
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putchar(b); // device sends a byte
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}
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const char *scpi_device_identifier(void)
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{
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return "FEL CVUT,DDS1,0,0.1";
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}
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void scpi_service_request_impl(void)
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{
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// NOTE: Actual instrument should send SRQ event somehow
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printf("[SRQ] - error: ");
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char buf[256];
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scpi_read_error_noremove(buf); // show error message (for debug)
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printf("%s\n", buf);
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}
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// ---- INSTRUMENT COMMANDS ----
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void cmd_APPL_SIN_cb(const SCPI_argval_t *args)
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{
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printf("cb APPLy:SINe %d, %f, %f\n", args[0].INT, args[1].FLOAT, args[2].FLOAT);
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}
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void cmd_DISP_TEXT_cb(const SCPI_argval_t *args)
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{
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printf("cb DISPlay:TEXT %s\n", args[0].STRING);
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}
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void cmd_DATA_BLOB_cb(const SCPI_argval_t *args)
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{
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printf("cb DATA:BLOB <%d>\n", args[0].BLOB_LEN);
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}
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void cmd_DATA_BLOB_data(const uint8_t *bytes)
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{
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printf("binary data: \"%s\"\n", bytes);
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}
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void cmd_USRERR_cb(const SCPI_argval_t *args)
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{
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printf("cb USRERR - raising user error 10.\n");
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scpi_add_error(10, "Custom error message...");
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}
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// Command definition (mandatory commands are built-in)
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const SCPI_command_t scpi_commands[] = {
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{
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.levels = {"APPLy", "SINe"},
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.params = {SCPI_DT_INT, SCPI_DT_FLOAT, SCPI_DT_FLOAT},
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.callback = cmd_APPL_SIN_cb
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},
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{
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.levels = {"DISPlay", "TEXT"},
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.params = {SCPI_DT_STRING},
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.callback = cmd_DISP_TEXT_cb
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},
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{
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.levels = {"DATA", "BLOB"},
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.params = {SCPI_DT_BLOB},
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.callback = cmd_DATA_BLOB_cb,
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.blob_chunk = 4,
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.blob_callback = cmd_DATA_BLOB_data
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},
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{
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.levels = {"USeRERRor"},
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.callback = cmd_USRERR_cb
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},
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{0} // end marker
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};
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