From a7109609ecfeba0a11121c1b83a46b1463f55931 Mon Sep 17 00:00:00 2001 From: Lorenz Meier Date: Wed, 27 Aug 2014 08:00:28 +0200 Subject: support termination failsafe in IO driver --- src/drivers/px4io/px4io.cpp | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) diff --git a/src/drivers/px4io/px4io.cpp b/src/drivers/px4io/px4io.cpp index 97919538f..3fdb1dd1f 100644 --- a/src/drivers/px4io/px4io.cpp +++ b/src/drivers/px4io/px4io.cpp @@ -1175,6 +1175,14 @@ PX4IO::io_set_arming_state() clear |= PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE; } + // XXX this is for future support in the commander + // but can be removed if unneeded + // if (armed.termination_failsafe) { + // set |= PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE; + // } else { + // clear |= PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE; + // } + if (armed.ready_to_arm) { set |= PX4IO_P_SETUP_ARMING_IO_ARM_OK; @@ -2038,7 +2046,8 @@ PX4IO::print_status(bool extended_status) ((arming & PX4IO_P_SETUP_ARMING_INAIR_RESTART_OK) ? " INAIR_RESTART_OK" : ""), ((arming & PX4IO_P_SETUP_ARMING_ALWAYS_PWM_ENABLE) ? " ALWAYS_PWM_ENABLE" : ""), ((arming & PX4IO_P_SETUP_ARMING_LOCKDOWN) ? " LOCKDOWN" : ""), - ((arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) ? " FORCE_FAILSAFE" : "") + ((arming & PX4IO_P_SETUP_ARMING_FORCE_FAILSAFE) ? " FORCE_FAILSAFE" : ""), + ((arming & PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE) ? " TERM_FAILSAFE" : "") ); #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 printf("rates 0x%04x default %u alt %u relays 0x%04x\n", @@ -2262,6 +2271,17 @@ PX4IO::ioctl(file * filep, int cmd, unsigned long arg) } break; + case PWM_SERVO_SET_TERMINATION_FAILSAFE: + /* if failsafe occurs, do not allow the system to recover */ + if (arg == 0) { + /* clear termination failsafe flag */ + ret = io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE, 0); + } else { + /* set termination failsafe flag */ + ret = io_reg_modify(PX4IO_PAGE_SETUP, PX4IO_P_SETUP_ARMING, 0, PX4IO_P_SETUP_ARMING_TERMINATION_FAILSAFE); + } + break; + case DSM_BIND_START: /* only allow DSM2, DSM-X and DSM-X with more than 7 channels */ -- cgit v1.2.3