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shell: sensors: exit on failure

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Immediately leave the read command if sensor is not initialized.
This commit is contained in:
Oleg Hahm 2014-11-06 13:45:44 +01:00
parent 7b8ee959a8
commit f79e228e44
3 changed files with 3 additions and 0 deletions
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1
sys/shell/commands/sc_isl29020.c
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@ -56,6 +56,7 @@ void _get_isl29020_read_handler(int argc, char **argv)
if (!isl29020_dev.address) { if (!isl29020_dev.address) {
puts("Error: please call `isl29020_init` first!"); puts("Error: please call `isl29020_init` first!");
return;
} }
val = isl29020_read(&isl29020_dev); val = isl29020_read(&isl29020_dev);

1
sys/shell/commands/sc_l3g4200d.c
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@ -57,6 +57,7 @@ void _get_l3g4200d_read_handler(int argc, char **argv)
if (!l3g4200d_dev.addr) { if (!l3g4200d_dev.addr) {
puts("Error: please call `l3g4200d_init` first!"); puts("Error: please call `l3g4200d_init` first!");
return;
} }
res = l3g4200d_read(&l3g4200d_dev, &data); res = l3g4200d_read(&l3g4200d_dev, &data);

1
sys/shell/commands/sc_lps331ap.c
View File

@ -54,6 +54,7 @@ void _get_lps331ap_read_handler(int argc, char **argv)
if (!lps331ap_dev.address) { if (!lps331ap_dev.address) {
puts("Error: please call `lps331ap_init` first!"); puts("Error: please call `lps331ap_init` first!");
return;
} }
temp = lps331ap_read_temp(&lps331ap_dev); temp = lps331ap_read_temp(&lps331ap_dev);