diff options
Diffstat (limited to 'src/modules/px4iofirmware/controls.c')
| -rw-r--r-- | src/modules/px4iofirmware/controls.c | 41 |
1 files changed, 28 insertions, 13 deletions
diff --git a/src/modules/px4iofirmware/controls.c b/src/modules/px4iofirmware/controls.c index 5c621cfb2..f630b6f2a 100644 --- a/src/modules/px4iofirmware/controls.c +++ b/src/modules/px4iofirmware/controls.c @@ -66,7 +66,7 @@ controls_init(void) sbus_init("/dev/ttyS2"); /* default to a 1:1 input map, all enabled */ - for (unsigned i = 0; i < PX4IO_CONTROL_CHANNELS; i++) { + for (unsigned i = 0; i < PX4IO_RC_INPUT_CHANNELS; i++) { unsigned base = PX4IO_P_RC_CONFIG_STRIDE * i; r_page_rc_input_config[base + PX4IO_P_RC_CONFIG_OPTIONS] = 0; @@ -94,6 +94,9 @@ controls_tick() { * other. Don't do that. */ + /* receive signal strenght indicator (RSSI). 0 = no connection, 1000: perfect connection */ + uint16_t rssi = 0; + perf_begin(c_gather_dsm); uint16_t temp_count = r_raw_rc_count; bool dsm_updated = dsm_input(r_raw_rc_values, &temp_count); @@ -104,14 +107,15 @@ controls_tick() { r_status_flags |= PX4IO_P_STATUS_FLAGS_RC_DSM11; else r_status_flags &= ~PX4IO_P_STATUS_FLAGS_RC_DSM11; + + rssi = 1000; } perf_end(c_gather_dsm); perf_begin(c_gather_sbus); - bool sbus_updated = sbus_input(r_raw_rc_values, &r_raw_rc_count, PX4IO_CONTROL_CHANNELS /* XXX this should be INPUT channels, once untangled */); + bool sbus_updated = sbus_input(r_raw_rc_values, &r_raw_rc_count, &rssi, PX4IO_RC_INPUT_CHANNELS); if (sbus_updated) { r_status_flags |= PX4IO_P_STATUS_FLAGS_RC_SBUS; - r_raw_rc_count = 8; } perf_end(c_gather_sbus); @@ -122,10 +126,19 @@ controls_tick() { */ perf_begin(c_gather_ppm); bool ppm_updated = ppm_input(r_raw_rc_values, &r_raw_rc_count); - if (ppm_updated) + if (ppm_updated) { + + /* XXX sample RSSI properly here */ + rssi = 1000; + r_status_flags |= PX4IO_P_STATUS_FLAGS_RC_PPM; + } perf_end(c_gather_ppm); + /* limit number of channels to allowable data size */ + if (r_raw_rc_count > PX4IO_RC_INPUT_CHANNELS) + r_raw_rc_count = PX4IO_RC_INPUT_CHANNELS; + /* * In some cases we may have received a frame, but input has still * been lost. @@ -197,14 +210,16 @@ controls_tick() { /* and update the scaled/mapped version */ unsigned mapped = conf[PX4IO_P_RC_CONFIG_ASSIGNMENT]; - ASSERT(mapped < PX4IO_CONTROL_CHANNELS); + if (mapped < PX4IO_CONTROL_CHANNELS) { - /* invert channel if pitch - pulling the lever down means pitching up by convention */ - if (mapped == 1) /* roll, pitch, yaw, throttle, override is the standard order */ - scaled = -scaled; + /* invert channel if pitch - pulling the lever down means pitching up by convention */ + if (mapped == 1) /* roll, pitch, yaw, throttle, override is the standard order */ + scaled = -scaled; - r_rc_values[mapped] = SIGNED_TO_REG(scaled); - assigned_channels |= (1 << mapped); + r_rc_values[mapped] = SIGNED_TO_REG(scaled); + assigned_channels |= (1 << mapped); + + } } } @@ -221,7 +236,7 @@ controls_tick() { * This might happen if a protocol-based receiver returns an update * that contains no channels that we have mapped. */ - if (assigned_channels == 0) { + if (assigned_channels == 0 || rssi == 0) { rc_input_lost = true; } else { /* set RC OK flag */ @@ -321,8 +336,8 @@ ppm_input(uint16_t *values, uint16_t *num_values) /* PPM data exists, copy it */ *num_values = ppm_decoded_channels; - if (*num_values > PX4IO_CONTROL_CHANNELS) - *num_values = PX4IO_CONTROL_CHANNELS; + if (*num_values > PX4IO_RC_INPUT_CHANNELS) + *num_values = PX4IO_RC_INPUT_CHANNELS; for (unsigned i = 0; i < *num_values; i++) values[i] = ppm_buffer[i]; |