comedi_test: attempt to change read and write subdevice during test
When testing streaming input (or streaming output) command functionality for a subdevice, attempt to make it the current 'read' (or 'write') subdevice by calling the new 'comedi_set_read_subdevice()' (or 'comedi_set_write_subdevice()') function. That is currently only supported by the Linux "in-tree" version of Comedi, since kernel version 3.19. If the attempt fails, and the subdevice is not the current 'read' (or 'write') subdevice, the test will report "not applicable" as before.
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6 changed files with 16 additions and 1 deletions
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@ -112,6 +112,8 @@ int test_cmd_read_fast_1chan(void)
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int ret;
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unsigned int flags = comedi_get_subdevice_flags(device,subdevice);
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/* attempt to make subdevice the current 'read' subdevice */
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if(flags&SDF_CMD_READ) comedi_set_read_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_read_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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@ -172,6 +174,8 @@ int test_cmd_write_fast_1chan(void)
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{
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num_bytes = num_samples * sizeof(sampl_t);
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}
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/* attempt to make subdevice the current 'write' subdevice */
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if(flags&SDF_CMD_WRITE) comedi_set_write_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_write_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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@ -21,6 +21,8 @@ int test_cmd_fifo_depth_check(void)
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int len;
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unsigned int flags = comedi_get_subdevice_flags(device,subdevice);
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/* attempt to make subdevice the current 'read' subdevice */
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if(flags&SDF_CMD_READ) comedi_set_read_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_read_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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@ -19,8 +19,11 @@ static int do_continuous(int multiplier);
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int test_cmd_continuous(void)
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{
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int mult;
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unsigned int flags = comedi_get_subdevice_flags(device,subdevice);
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if(!(comedi_get_subdevice_flags(device,subdevice)&SDF_CMD)){
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/* attempt to make subdevice the current 'read' subdevice */
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if(flags&SDF_CMD_READ) comedi_set_read_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_read_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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}
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@ -25,6 +25,8 @@ int test_cmd_start_inttrig(void)
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unsigned int flags;
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flags = comedi_get_subdevice_flags(device,subdevice);
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/* attempt to make subdevice the current 'read' subdevice */
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if(flags&SDF_CMD_READ) comedi_set_read_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_read_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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@ -68,6 +68,8 @@ int test_mmap(void)
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flags = comedi_get_subdevice_flags(device,subdevice);
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/* attempt to make subdevice the current 'read' subdevice */
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if(flags&SDF_CMD_READ) comedi_set_read_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_read_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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@ -30,6 +30,8 @@ int test_read_select(void)
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unsigned int flags;
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flags = comedi_get_subdevice_flags(device,subdevice);
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/* attempt to make subdevice the current 'read' subdevice */
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if(flags&SDF_CMD_READ) comedi_set_read_subdevice(device,subdevice);
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if(!(flags&SDF_CMD) || (comedi_get_read_subdevice(device)!=subdevice)){
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printf("not applicable\n");
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return 0;
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