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HMC driver: Return value handling

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Lorenz Meier
2015-02-09 22:56:24 +01:00
parent bd90700f59
commit 97ec21675c
1 changed files with 5 additions and 5 deletions
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src/drivers/hmc5883/hmc5883.cpp
+5 -5
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@@ -1355,10 +1355,9 @@ start_bus(struct hmc5883_bus_option &bus, enum Rotation rotation)
void
start(enum HMC5883_BUS busid, enum Rotation rotation)
{
uint8_t i;
bool started = false;
for (i=0; i<NUM_BUS_OPTIONS; i++) {
for (unsigned i = 0; i < NUM_BUS_OPTIONS; i++) {
if (busid == HMC5883_BUS_ALL && bus_options[i].dev != NULL) {
// this device is already started
continue;
@@ -1373,7 +1372,6 @@ start(enum HMC5883_BUS busid, enum Rotation rotation)
if (!started)
errx(1, "driver start failed");
// one or more drivers started OK
exit(0);
}
@@ -1382,13 +1380,13 @@ start(enum HMC5883_BUS busid, enum Rotation rotation)
*/
struct hmc5883_bus_option &find_bus(enum HMC5883_BUS busid)
{
for (uint8_t i=0; i<NUM_BUS_OPTIONS; i++) {
for (unsigned i = 0; i < NUM_BUS_OPTIONS; i++) {
if ((busid == HMC5883_BUS_ALL ||
busid == bus_options[i].busid) && bus_options[i].dev != NULL) {
return bus_options[i];
}
}
errx(1,"bus %u not started", (unsigned)busid);
errx(1, "bus %u not started", (unsigned)busid);
}
@@ -1625,6 +1623,8 @@ hmc5883_main(int argc, char *argv[])
} else {
errx(1, "calibration failed");
}
} else {
exit(0);
}
}