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I2C tool: Verify that the I2C bus driver exists when process the -b option

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This commit is contained in:
Gregory Nutt 2016-02-05 10:49:27 -06:00
parent 032e73f1eb
commit 83dc6a9b79
1 changed files with 9 additions and 28 deletions
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37
system/i2c/i2c_common.c
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@ -43,30 +43,6 @@
#include "i2ctool.h" #include "i2ctool.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/**************************************************************************** /****************************************************************************
* Public Functions * Public Functions
****************************************************************************/ ****************************************************************************/
@ -95,7 +71,7 @@ int common_args(FAR struct i2ctool_s *i2ctool, FAR char **arg)
goto out_of_range; goto out_of_range;
} }
i2ctool->addr = (uint8_t) value; i2ctool->addr = (uint8_t)value;
return ret; return ret;
case 'b': case 'b':
@ -105,7 +81,12 @@ int common_args(FAR struct i2ctool_s *i2ctool, FAR char **arg)
goto out_of_range; goto out_of_range;
} }
i2ctool->bus = (uint8_t) value; if (!i2cdev_exists((int)value))
{
goto invalid_argument;
}
i2ctool->bus = (uint8_t)value;
return ret; return ret;
case 'f': case 'f':
@ -137,7 +118,7 @@ int common_args(FAR struct i2ctool_s *i2ctool, FAR char **arg)
goto out_of_range; goto out_of_range;
} }
i2ctool->regaddr = (uint8_t) value; i2ctool->regaddr = (uint8_t)value;
return ret; return ret;
case 's': case 's':
@ -151,7 +132,7 @@ int common_args(FAR struct i2ctool_s *i2ctool, FAR char **arg)
goto out_of_range; goto out_of_range;
} }
i2ctool->width = (uint8_t) value; i2ctool->width = (uint8_t)value;
return ret; return ret;
default: default: