diff options
Diffstat (limited to 'servers/gpib_server_lin/src/scope_functions.cpp')
| -rw-r--r-- | servers/gpib_server_lin/src/scope_functions.cpp | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/servers/gpib_server_lin/src/scope_functions.cpp b/servers/gpib_server_lin/src/scope_functions.cpp index 68f2274..ce5adcd 100644 --- a/servers/gpib_server_lin/src/scope_functions.cpp +++ b/servers/gpib_server_lin/src/scope_functions.cpp @@ -486,6 +486,62 @@ int scope_set_trigger_channel(int desired_channel,const char * scopeType, int gp } } +int scope_get_trigger_channel(int * retval, const char * scopeType, int gpibDevice) { + char floatstring[1024]; + long ai; + int max_num_bytes = 0; + + printf("[INFO] Getting trigger channel\n\r"); + if (strcmp("HP54600OS", scopeType) == 0) { + // FIXME + // Not supported (yet) + return -1; + } + else if (strcmp("TDS744AOS", scopeType) == 0) { + sprintf(falpha, "TRIGGER:MAIN:EDGE:SOURCE?"); + #ifdef ENABLE_EXTRA_DEBUGGING + printf("[DEBG] Writing: %s\n\r", falpha); + #endif + if (gpib_write(gpibDevice, falpha) == 0) { + max_num_bytes = 24; // Request more bytes than are possible to ensure no bytes are left behind + } + else { + return 2; + } + + // Read response + #ifdef ENABLE_EXTRA_DEBUGGING + printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); + #endif + + ai = gpib_read_array(gpibDevice, max_num_bytes, floatstring); + if (ai == -1) { + return 1; + } + else { + floatstring[ai]=0; + TQString retchan(floatstring); + if (retchan.startsWith("CH1")) *retval = 1; + else if (retchan.startsWith("CH2")) *retval = 2; + else if (retchan.startsWith("CH3")) *retval = 3; + else if (retchan.startsWith("CH4")) *retval = 4; + else { + *retval = -1; + return -1; + } + } + + #ifdef ENABLE_EXTRA_DEBUGGING + printf("[DEBG] Read %li bytes from GPIB device\n", ai); + #endif + + return 0; + } + else { + return -1; + } +} + int scope_set_trigger_level(float desired_level,const char * scopeType, int gpibDevice) { if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) { printf("[INFO] Setting scope trigger level to %f\n\r", desired_level); @@ -522,6 +578,55 @@ int scope_set_trigger_level(float desired_level,const char * scopeType, int gpib } } +int scope_get_trigger_level(double * retval, const char * scopeType, int gpibDevice) { + char floatstring[1024]; + long ai; + int max_num_bytes = 0; + + if (strcmp("HP54600OS", scopeType) == 0) { + // FIXME + // Not supported (yet) + return -1; + } + else if (strcmp("TDS744AOS", scopeType) == 0) { + // Send request + printf("[INFO] Getting trigger level\n\r"); + sprintf(falpha,"TRIGGER:MAIN:LEVEL?"); + #ifdef ENABLE_EXTRA_DEBUGGING + printf("[DEBG] Writing: %s\n\r", falpha); + #endif + if (gpib_write(gpibDevice, falpha) == 0) { + max_num_bytes = 24; // Request more bytes than are possible to ensure no bytes are left behind + } + else { + return 2; + } + + // Read response + #ifdef ENABLE_EXTRA_DEBUGGING + printf("[DEBG] Trying to read %i bytes from GPIB device...\n", max_num_bytes); + #endif + + ai = gpib_read_array(gpibDevice, max_num_bytes, floatstring); + if (ai == -1) { + return 1; + } + else { + floatstring[ai]=0; + *retval = atof(floatstring); + } + + #ifdef ENABLE_EXTRA_DEBUGGING + printf("[DEBG] Read %li bytes from GPIB device\n", ai); + #endif + + return 0; + } + else { + return -1; + } +} + int scope_set_channel_position(int desired_channel, float desired_level,const char * scopeType, int gpibDevice) { if ((strcmp("HP54600OS", scopeType) == 0) || (strcmp("TDS744AOS", scopeType) == 0)) { printf("[INFO] Setting scope channel %d level to %f\n\r", desired_channel, desired_level); |