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unconfigure GPIO_PPM_IN before reconfiguring

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Mark Whitehorn 2016-03-20 09:28:29 -06:00 committed by Julian Oes
parent 2cf5fb8fb0
commit 192c2a32c8
1 changed files with 2 additions and 0 deletions
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2
src/drivers/px4fmu/fmu.cpp
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@ -901,6 +901,7 @@ PX4FMU::cycle()
// assume SBUS input
sbus_config(_rcs_fd, false);
// disable CPPM input by mapping it away from the timer capture input
stm32_unconfiggpio(GPIO_PPM_IN);
stm32_configgpio(GPIO_PPM_IN & ~(GPIO_AF_MASK | GPIO_PUPD_MASK));
#endif
@ -1331,6 +1332,7 @@ PX4FMU::cycle()
} else {
// disable CPPM input by mapping it away from the timer capture input
stm32_unconfiggpio(GPIO_PPM_IN);
stm32_configgpio(GPIO_PPM_IN & ~(GPIO_AF_MASK | GPIO_PUPD_MASK));
// Scan the next protocol
set_rc_scan_state(RC_SCAN_SBUS);