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Custom io scale #557

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merged 2 commits into from
Dec 21, 2013
Merged

Custom io scale #557

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0f0dc5b
Allowed custom battery scaling on IO
LorenzMeier Dec 21, 2013
3e037d4
Fixed bracketing error
LorenzMeier Dec 21, 2013
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16 changes: 16 additions & 0 deletions src/drivers/px4io/px4io.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -896,7 +896,23 @@ PX4IO::task_main()

/* re-upload RC input config as it may have changed */
io_set_rc_config();

/* re-set the battery scaling */
int32_t voltage_scaling_val;
param_t voltage_scaling_param;

/* set battery voltage scaling */
param_get(voltage_scaling_param = param_find("BAT_V_SCALE_IO"), &voltage_scaling_val);

/* send scaling voltage to IO */
uint16_t scaling = voltage_scaling_val;
int pret = io_reg_set(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_VBATT_SCALE, &scaling, 1);

if (pret != OK) {
log("voltage scaling upload failed");
}
}

}

perf_end(_perf_update);
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1 change: 1 addition & 0 deletions src/modules/sensors/sensor_params.c
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Expand Up @@ -195,6 +195,7 @@ PARAM_DEFINE_INT32(RC_RL1_DSM_VCC, 0); /* Relay 1 controls DSM VCC */
#endif
PARAM_DEFINE_INT32(RC_DSM_BIND, -1); /* -1 = Idle, 0 = Start DSM2 bind, 1 = Start DSMX bind */

PARAM_DEFINE_INT32(BAT_V_SCALE_IO, 10000);
#ifdef CONFIG_ARCH_BOARD_PX4FMU_V2
PARAM_DEFINE_FLOAT(BAT_V_SCALING, 0.0082f);
#else
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