When boardctl() fails, need to print errno not the returned value which will always be -1.

This commit is contained in:
Gregory Nutt 2015-04-16 07:24:48 -06:00
parent 5bdacd2f17
commit 3e01a06431
3 changed files with 5 additions and 5 deletions

View File

@ -252,9 +252,9 @@ int adc_main(int argc, char *argv[])
printf("adc_main: Initializing external ADC device\n");
ret = boardctl(BOARDIOC_ADCTEST_SETUP, 0);
if (ret != OK)
if (ret < 0)
{
printf("adc_main: boardctl failed: %d\n", ret);
printf("adc_main: boardctl failed: %d\n", errno);
errval = 1;
goto errout;
}

View File

@ -317,7 +317,7 @@ int pwm_main(int argc, char *argv[])
ret = boardctl(BOARDIOC_PWMTEST_SETUP, 0);
if (ret != OK)
{
printf("pwm_main: boardctl failed: %d\n", ret);
printf("pwm_main: boardctl failed: %d\n", errno);
goto errout;
}

View File

@ -1,7 +1,7 @@
/****************************************************************************
* examples/touchscreen/tc_main.c
*
* Copyright (C) 2011, 2014 Gregory Nutt. All rights reserved.
* Copyright (C) 2011, 2014-2025 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -134,7 +134,7 @@ int tc_main(int argc, char *argv[])
ret = boardctl(BOARDIOC_TSCTEST_SETUP, CONFIG_EXAMPLES_TOUCHSCREEN_MINOR);
if (ret != OK)
{
printf("tc_main: board_tsc_setup failed: %d\n", ret);
printf("tc_main: board_tsc_setup failed: %d\n", errno);
errval = 1;
goto errout;
}