forked from ArduPilot/ardupilot
-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
update JFB110 board definition (modified servorail adc)
- Loading branch information
1 parent
b7d8c27
commit 5f040b2
Showing
29 changed files
with
289 additions
and
33 deletions.
There are no files selected for viewing
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
Binary file not shown.
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
Binary file not shown.
Large diffs are not rendered by default.
Oops, something went wrong.
Binary file not shown.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -38,6 +38,7 @@ uint8_t crc_sum8(const uint8_t *p, uint8_t len); | |
// Copyright (C) 2010 Swift Navigation Inc. | ||
// Contact: Fergus Noble <[email protected]> | ||
uint16_t crc16_ccitt(const uint8_t *buf, uint32_t len, uint16_t crc); | ||
uint16_t crc16_ccitt_r(const uint8_t *buf, uint32_t len, uint16_t crc, uint16_t out); | ||
|
||
// CRC16_CCITT algorithm using the GDL90 parser method which is non-standard | ||
// https://www.faa.gov/nextgen/programs/adsb/archival/media/gdl90_public_icd_reva.pdf | ||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
|
@@ -89,6 +89,8 @@ class RangeFinder | |
MSP = 32, | ||
USD1_CAN = 33, | ||
Benewake_CAN = 34, | ||
|
||
JRE_Serial = 41, | ||
SIM = 100, | ||
}; | ||
|
||
|
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,138 @@ | ||
/* | ||
This program is free software: you can redistribute it and/or modify | ||
it under the terms of the GNU General Public License as published by | ||
the Free Software Foundation, either version 3 of the License, or | ||
(at your option) any later version. | ||
This program is distributed in the hope that it will be useful, | ||
but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
GNU General Public License for more details. | ||
You should have received a copy of the GNU General Public License | ||
along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
*/ | ||
|
||
#include "AP_RangeFinder_JRE_Serial.h" | ||
#include <AP_Math/AP_Math.h> | ||
|
||
#define FRAME_HEADER_1 'R' // 0x52 | ||
#define FRAME_HEADER_2_A 'A' // 0x41 | ||
#define FRAME_HEADER_2_B 'B' // 0x42 | ||
#define FRAME_HEADER_2_C 'C' // 0x43 | ||
|
||
#define DIST_MAX_CM 5000 | ||
#define OUT_OF_RANGE_ADD_CM 100 | ||
|
||
void AP_RangeFinder_JRE_Serial::move_preamble_in_buffer(uint8_t search_start_pos) | ||
{ | ||
uint8_t i; | ||
for (i=search_start_pos; i<data_buff_ofs; i++) { | ||
if (data_buff[i] == FRAME_HEADER_1) { | ||
break; | ||
} | ||
} | ||
if (i == 0) { | ||
return; | ||
} | ||
memmove(data_buff, &data_buff[i], data_buff_ofs-i); | ||
data_buff_ofs = data_buff_ofs - i; | ||
} | ||
|
||
bool AP_RangeFinder_JRE_Serial::get_reading(float &reading_m) | ||
{ | ||
// uart instance check | ||
if (uart == nullptr) { | ||
return false; // not update | ||
} | ||
|
||
uint16_t valid_count = 0; // number of valid readings | ||
uint16_t invalid_count = 0; // number of invalid readings | ||
float sum = 0; | ||
|
||
// read a maximum of 8192 bytes per call to this function: | ||
uint16_t bytes_available = MIN(uart->available(), 8192U); | ||
|
||
while (bytes_available > 0) { | ||
// fill buffer | ||
const auto num_bytes_to_read = MIN(bytes_available, ARRAY_SIZE(data_buff) - data_buff_ofs); | ||
const auto num_bytes_read = uart->read(&data_buff[data_buff_ofs], num_bytes_to_read); | ||
if (num_bytes_read == 0) { | ||
break; | ||
} | ||
if (bytes_available < num_bytes_read) { | ||
// this is a bug in the uart call. | ||
break; | ||
} | ||
bytes_available -= num_bytes_read; | ||
data_buff_ofs += num_bytes_read; | ||
|
||
// move header frame header in buffer | ||
move_preamble_in_buffer(0); | ||
|
||
// ensure we have a packet type: | ||
if (data_buff_ofs < 2) { | ||
continue; | ||
} | ||
|
||
// determine packet length for incoming packet: | ||
uint8_t packet_length; | ||
switch (data_buff[1]) { | ||
case FRAME_HEADER_2_A: | ||
packet_length = 16; | ||
break; | ||
case FRAME_HEADER_2_B: | ||
packet_length = 32; | ||
break; | ||
case FRAME_HEADER_2_C: | ||
packet_length = 48; | ||
break; | ||
default: | ||
move_preamble_in_buffer(1); | ||
continue; | ||
} | ||
|
||
// check there are enough bytes for message type | ||
if (data_buff_ofs < packet_length) { | ||
continue; | ||
} | ||
|
||
// check the checksum | ||
const uint16_t crc = crc16_ccitt_r(data_buff, packet_length - 2, 0xffff, 0xffff); | ||
if (crc != ((data_buff[packet_length-1] << 8) | data_buff[packet_length-2])) { | ||
// CRC failure | ||
move_preamble_in_buffer(1); | ||
continue; | ||
} | ||
|
||
// check random bit to for magic value: | ||
if (data_buff[packet_length-3] & 0x02) { // NTRK | ||
invalid_count++; | ||
// discard entire packet: | ||
move_preamble_in_buffer(packet_length); | ||
continue; | ||
} | ||
|
||
// good message, extract rangefinder reading: | ||
reading_m = (data_buff[4] * 256 + data_buff[5]) * 0.01f; | ||
sum += reading_m; | ||
valid_count++; | ||
move_preamble_in_buffer(packet_length); | ||
} | ||
|
||
// return average of all valid readings | ||
if (valid_count > 0) { | ||
no_signal = false; | ||
reading_m = sum / valid_count; | ||
return true; | ||
} | ||
|
||
// all readings were invalid so return out-of-range-high value | ||
if (invalid_count > 0) { | ||
no_signal = true; | ||
reading_m = MIN(MAX(DIST_MAX_CM, max_distance_cm() + OUT_OF_RANGE_ADD_CM), UINT16_MAX) * 0.01f; | ||
return true; | ||
} | ||
|
||
return false; | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,92 @@ | ||
#pragma once | ||
|
||
#include "AP_RangeFinder.h" | ||
#include "AP_RangeFinder_Backend_Serial.h" | ||
|
||
/* | ||
The data received from the radio altimeter is as follows. | ||
The format of the received data frame varies depending on the mode, and is stored in "read_buff" with a fixed value of 16 bytes, 32 bytes, or 48 bytes. | ||
[1] | ||
Measurement mode: 1 data mode | ||
Packet length: 16 bytes | ||
Altitude data used: 4,5 bytes | ||
|----------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| BYTE | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | | ||
|------|---------------------------------------------------------------------------------------------------------------------------------------------| | ||
| NAME | header | header | version | frame | altitude | altitude | reserved | FFT value | FFT value | status | status | CRC | CRC | | ||
| | (H) | (L) | | count | (H) | (L) | | (H) | (L) | (H) | (L) | (L) | (H) | | ||
|------|---------------------------------------------------------------------------------------------------------------------------------------------| | ||
| | | | | | | | | BIT 15to8: reserved | | | ||
| | | | | unsigned | unsigned | | unsigned | BIT 7to4: GAIN detail | CRC result | | ||
| DATA | 'R' | 'A' | 0 to 255 | 0 to 255 | LSB;0.01 m | N/A | LSB:1 | BIT 3-2: reserved | from BYTE | | ||
| | | | | | 0 to 65535 | | 0 to 65535 | BIT 1: TRK / NTRK | 0 to 13 | | ||
| | | | | | | | | BIT 0: GAIN LOW/HIGH | | | ||
|----------------------------------------------------------------------------------------------------------------------------------------------------| | ||
[2] | ||
Measurement mode: 3 data mode | ||
Packet length: 32 bytes | ||
Altitude data used: 4,5 bytes | ||
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| BYTE | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14| 15| 16| 17| 18 | 19 | 20 | 21 | 22| 23| 24| 25| 26 | 27 | 28 | 29 | 30 | 31 | | ||
|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| NAME | header | header | version | frame | altitude | altitude | reserved | FFT value | FFT value | altitude | altitude | reserved | FFT value | FFT value | altitude | altitude | reserved | FFT value | FFT value | status | status | CRC | CRC | | ||
| | (H) | (L) | | count | (H) | (L) | | (H) | (L) | (H) | (L) | | (H) | (L) | (H) | (L) | | (H) | (L) | (H) | (L) | (L) | (H) | | ||
|------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| | | | | | | | | | | | | | | BIT 15to8: reserved | | | ||
| | | | | unsigned | unsigned | | unsigned | unsigned | | unsigned | unsigned | | unsigned | BIT 7to4: GAIN detail | CRC result | | ||
| DATA | 'R' | 'B' | 0 to 255 | 0 to 255 | LSB;0.01 m | N/A | LSB:1 | LSB;0.01 m | N/A | LSB:1 | LSB;0.01 m | N/A | LSB:1 | BIT 3-2: reserved | from BYTE | | ||
| | | | | | 0 to 65535 | | 0 to 65535 | 0 to 65535 | | 0 to 65535 | 0 to 65535 | | 0 to 65535 | BIT 1: TRK / NTRK | 0 to 13 | | ||
| | | | | | | | | | | | | | | BIT 0: GAIN LOW/HIGH | | | ||
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
[3] | ||
Measurement mode: 5 data mode | ||
Packet length: 48 bytes | ||
Altitude data used: 4,5 bytes | ||
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| BYTE | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14| 15| 16| 17| 18 | 19 | 20 | 21 | 22| 23| 24| 25| 26 | 27 | 28 | 29 | 30| 31| 32| 33| 34 | 35 | 36 | 37 | 38| 39| 40| 41| 42 | 43 | 44 | 45 | 46 | 47 | | ||
|------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| NAME | header | header | version | frame | altitude | altitude | reserved | FFT value | FFT value | altitude | altitude | reserved | FFT value | FFT value | altitude | altitude | reserved | FFT value | FFT value | altitude | altitude | reserved | FFT value | FFT value | altitude | altitude | reserved | FFT value | FFT value | status | status | CRC | CRC | | ||
| | (H) | (L) | | count | (H) | (L) | | (H) | (L) | (H) | (L) | | (H) | (L) | (H) | (L) | | (H) | (L) | (H) | (L) | | (H) | (L) | (H) | (L) | | (H) | (L) | (H) | (L) | (L) | (H) | | ||
|------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
| | | | | | | | | | | | | | | | | | | | | BIT 15to8: reserved | | | ||
| | | | | unsigned | unsigned | | unsigned | unsigned | | unsigned | unsigned | | unsigned | unsigned | | unsigned | unsigned | | unsigned | BIT 7to4: GAIN detail | CRC result | | ||
| DATA | 'R' | 'C' | 0 to 255 | 0 to 255 | LSB;0.01 m | N/A | LSB:1 | LSB;0.01 m | N/A | LSB:1 | LSB;0.01 m | N/A | LSB:1 | LSB;0.01 m | N/A | LSB:1 | LSB;0.01 m | N/A | LSB:1 | BIT 3-2: reserved | from BYTE | | ||
| | | | | | 0 to 65535 | | 0 to 65535 | 0 to 65535 | | 0 to 65535 | 0 to 65535 | | 0 to 65535 | 0 to 65535 | | 0 to 65535 | 0 to 65535 | | 0 to 65535 | BIT 1: TRK / NTRK | 0 to 13 | | ||
| | | | | | | | | | | | | | | | | | | | | BIT 0: GAIN LOW/HIGH | | | ||
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ||
*/ | ||
class AP_RangeFinder_JRE_Serial : public AP_RangeFinder_Backend_Serial | ||
{ | ||
|
||
public: | ||
static AP_RangeFinder_Backend_Serial *create( | ||
RangeFinder::RangeFinder_State &_state, | ||
AP_RangeFinder_Params &_params) | ||
{ | ||
return new AP_RangeFinder_JRE_Serial(_state, _params); | ||
} | ||
|
||
protected: | ||
|
||
using AP_RangeFinder_Backend_Serial::AP_RangeFinder_Backend_Serial; | ||
|
||
MAV_DISTANCE_SENSOR _get_mav_distance_sensor_type() const override | ||
{ | ||
return MAV_DISTANCE_SENSOR_RADAR; | ||
} | ||
|
||
private: | ||
|
||
// get a reading | ||
bool get_reading(float &reading_m) override; | ||
|
||
void move_preamble_in_buffer(uint8_t search_start_pos); | ||
|
||
uint8_t data_buff[48 * 3]; // 48 is longest possible packet | ||
uint8_t data_buff_ofs; // index where next item will be added in data_buff | ||
|
||
bool no_signal; // true if the latest read attempt found no valid distances | ||
}; |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters