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lsm303d/l3gd20: change filters to 50Hz analog on-chip filters

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after discussion with Leonard these analog on-chip filters should be
at 50Hz
This commit is contained in:
Andrew Tridgell
2013-12-10 11:02:49 +01:00
committed by Lorenz Meier
parent b0bb5a3450
commit 476070510e
2 changed files with 14 additions and 4 deletions
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src/drivers/l3gd20/l3gd20.cpp
+8 -3
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@@ -93,10 +93,15 @@ static const int ERROR = -1;
/* keep lowpass low to avoid noise issues */
#define RATE_95HZ_LP_25HZ ((0<<7) | (0<<6) | (0<<5) | (1<<4))
#define RATE_190HZ_LP_25HZ ((0<<7) | (1<<6) | (0<<5) | (1<<4))
#define RATE_190HZ_LP_50HZ ((0<<7) | (1<<6) | (1<<5) | (0<<4))
#define RATE_190HZ_LP_70HZ ((0<<7) | (1<<6) | (1<<5) | (1<<4))
#define RATE_380HZ_LP_20HZ ((1<<7) | (0<<6) | (1<<5) | (0<<4))
#define RATE_380HZ_LP_25HZ ((1<<7) | (0<<6) | (0<<5) | (1<<4))
#define RATE_380HZ_LP_50HZ ((1<<7) | (0<<6) | (1<<5) | (0<<4))
#define RATE_380HZ_LP_100HZ ((1<<7) | (0<<6) | (1<<5) | (1<<4))
#define RATE_760HZ_LP_30HZ ((1<<7) | (1<<6) | (0<<5) | (0<<4))
#define RATE_760HZ_LP_35HZ ((1<<7) | (1<<6) | (0<<5) | (1<<4))
#define RATE_760HZ_LP_50HZ ((1<<7) | (1<<6) | (1<<5) | (0<<4))
#define RATE_760HZ_LP_100HZ ((1<<7) | (1<<6) | (1<<5) | (1<<4))
#define ADDR_CTRL_REG2 0x21
@@ -662,15 +667,15 @@ L3GD20::set_samplerate(unsigned frequency)
} else if (frequency <= 200) {
_current_rate = 190;
bits |= RATE_190HZ_LP_70HZ;
bits |= RATE_190HZ_LP_50HZ;
} else if (frequency <= 400) {
_current_rate = 380;
bits |= RATE_380HZ_LP_100HZ;
bits |= RATE_380HZ_LP_50HZ;
} else if (frequency <= 800) {
_current_rate = 760;
bits |= RATE_760HZ_LP_100HZ;
bits |= RATE_760HZ_LP_50HZ;
} else {
return -EINVAL;
}