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author | Lorenz Meier <lm@inf.ethz.ch> | 2014-02-12 08:13:53 +0100 |
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committer | Lorenz Meier <lm@inf.ethz.ch> | 2014-02-12 08:13:53 +0100 |
commit | 500ac69ee46ad582eee5a4321bd53665e17032da (patch) | |
tree | d8942396ace6a2db85e892cf4362bd2bf71cd917 /src/modules/px4iofirmware | |
parent | 9315796020339906d30580892f57abcdc1238b0c (diff) | |
download | px4-firmware-500ac69ee46ad582eee5a4321bd53665e17032da.tar.gz px4-firmware-500ac69ee46ad582eee5a4321bd53665e17032da.tar.bz2 px4-firmware-500ac69ee46ad582eee5a4321bd53665e17032da.zip |
Build test code for S.BUS output, send test characters once S.BUS1 or S.BUS2 is enabled
Diffstat (limited to 'src/modules/px4iofirmware')
-rw-r--r-- | src/modules/px4iofirmware/mixer.cpp | 14 | ||||
-rw-r--r-- | src/modules/px4iofirmware/px4io.h | 2 | ||||
-rw-r--r-- | src/modules/px4iofirmware/sbus.c | 14 |
3 files changed, 29 insertions, 1 deletions
diff --git a/src/modules/px4iofirmware/mixer.cpp b/src/modules/px4iofirmware/mixer.cpp index f39fcf7ec..3eaecc38b 100644 --- a/src/modules/px4iofirmware/mixer.cpp +++ b/src/modules/px4iofirmware/mixer.cpp @@ -254,10 +254,24 @@ mixer_tick(void) for (unsigned i = 0; i < PX4IO_SERVO_COUNT; i++) up_pwm_servo_set(i, r_page_servos[i]); + /* set S.BUS1 or S.BUS2 outputs */ + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS1_OUT) + sbus1_output(r_page_servos, PX4IO_SERVO_COUNT); + + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS2_OUT) + sbus2_output(r_page_servos, PX4IO_SERVO_COUNT); + } else if (mixer_servos_armed && should_always_enable_pwm) { /* set the disarmed servo outputs. */ for (unsigned i = 0; i < PX4IO_SERVO_COUNT; i++) up_pwm_servo_set(i, r_page_servo_disarmed[i]); + + /* set S.BUS1 or S.BUS2 outputs */ + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS1_OUT) + sbus1_output(r_page_servos, PX4IO_SERVO_COUNT); + + if (r_setup_features & PX4IO_P_SETUP_FEATURES_SBUS2_OUT) + sbus2_output(r_page_servos, PX4IO_SERVO_COUNT); } } diff --git a/src/modules/px4iofirmware/px4io.h b/src/modules/px4iofirmware/px4io.h index bb224f388..0e9fee8ae 100644 --- a/src/modules/px4iofirmware/px4io.h +++ b/src/modules/px4iofirmware/px4io.h @@ -218,6 +218,8 @@ extern bool dsm_input(uint16_t *values, uint16_t *num_values); extern void dsm_bind(uint16_t cmd, int pulses); extern int sbus_init(const char *device); extern bool sbus_input(uint16_t *values, uint16_t *num_values, bool *sbus_failsafe, bool *sbus_frame_drop, uint16_t max_channels); +extern bool sbus1_output(uint16_t *values, uint16_t num_values); +extern bool sbus2_output(uint16_t *values, uint16_t num_values); /** global debug level for isr_debug() */ extern volatile uint8_t debug_level; diff --git a/src/modules/px4iofirmware/sbus.c b/src/modules/px4iofirmware/sbus.c index f6ec542eb..86240d36a 100644 --- a/src/modules/px4iofirmware/sbus.c +++ b/src/modules/px4iofirmware/sbus.c @@ -93,7 +93,7 @@ int sbus_init(const char *device) { if (sbus_fd < 0) - sbus_fd = open(device, O_RDONLY | O_NONBLOCK); + sbus_fd = open(device, O_RDWR | O_NONBLOCK); if (sbus_fd >= 0) { struct termios t; @@ -118,6 +118,18 @@ sbus_init(const char *device) } bool +sbus1_output(uint16_t *values, uint16_t num_values) +{ + write(sbus_fd, 'A', 1); +} + +bool +sbus2_output(uint16_t *values, uint16_t num_values) +{ + write(sbus_fd, 'B', 1); +} + +bool sbus_input(uint16_t *values, uint16_t *num_values, bool *sbus_failsafe, bool *sbus_frame_drop, uint16_t max_channels) { ssize_t ret; |