From 690843c53aa03283688e04fbe2894fc986f31b6b Mon Sep 17 00:00:00 2001 From: muharred Date: Wed, 20 Aug 2014 13:06:39 +0300 Subject: Reset excitement mode for hmc5883 sensor before applying a new one to avoid getting reserved 11 bits set in case of a set_excitement(1) call following a set_excitement(-1) call. --- src/drivers/hmc5883/hmc5883.cpp | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'src/drivers/hmc5883') diff --git a/src/drivers/hmc5883/hmc5883.cpp b/src/drivers/hmc5883/hmc5883.cpp index 0e9a961ac..e4ecfa6b5 100644 --- a/src/drivers/hmc5883/hmc5883.cpp +++ b/src/drivers/hmc5883/hmc5883.cpp @@ -1283,14 +1283,13 @@ int HMC5883::set_excitement(unsigned enable) if (OK != ret) perf_count(_comms_errors); + _conf_reg &= ~0x03; // reset previous excitement mode if (((int)enable) < 0) { _conf_reg |= 0x01; } else if (enable > 0) { _conf_reg |= 0x02; - } else { - _conf_reg &= ~0x03; } // ::printf("set_excitement enable=%d regA=0x%x\n", (int)enable, (unsigned)_conf_reg); -- cgit v1.2.3