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Diffstat (limited to 'src/modules/px4iofirmware/sbus.c')
-rw-r--r--src/modules/px4iofirmware/sbus.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/src/modules/px4iofirmware/sbus.c b/src/modules/px4iofirmware/sbus.c
index f6ec542eb..0e7dc621c 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;
@@ -113,11 +113,22 @@ sbus_init(const char *device)
} else {
debug("S.Bus: open failed");
}
-
return sbus_fd;
}
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;