Part 1
요약·해설
세 shield의 TJA1050/MCP2551/TJA1051 차이, 73개 connector row, microSD·Qwiic·전원 구성과 CAN counter build를 설명합니다.
Controller
MCP2515 · CAN 2.0B
Shields
DFRobot · Keyestudio · PiCowbell
Host bus
SPI · 10MHz
CAN rate
Up to 1Mb/s
Part 2
접을 수 있는 영어 원문 전체
영어 원문 전체 펼치기
원문 SHA-256
8E3AB0E935A36DDDA85CF6169794F72CE7FBC65B5064231988496ADF40BE6372
.. _mcp2515_shield:
Microchip MCP2515 CAN bus shields
#################################
Zephyr supports a couple of different shields carrying the Microchip `MCP2515`_
Stand-Alone CAN Controller with SPI Interface.
DFRobot CAN BUS Shield V2.0
***************************
Overview
--------
The DFRobot CAN BUS shield supports the Microchip MCP2515 stand-alone CAN
controller and JTA1050 high speed CAN transceiver. The shield has an Arduino
Uno R3 compatible hardware interface.
.. figure:: ../../../../../../../boards/shields/mcp2515/doc/dfrobot_can_bus_v2_0.jpg
:align: center
:alt: DFRobot_CAN_BUS_V2_0_SHIELD
Hardware
--------
- MCP2515
- Stand-Alone CAN 2.0B Controller
- Up to 1Mb/s baud rate
- Standard and extended data and remote frames
- 3x Tx Buffers
- 2x Rx Buffers
- 6x 29-bit Filters
- 2x 29-bit Masks
- Interrupt output
- One shot mode
- High speed SPI interface (10 MHz)
- TJA1050
- Fully compatible with the “ISO 11898” standard
- High speed (up to 1 Mbaud)
- Connectivity
- Industrial standard DB9 terminal (CAN)
- Screw terminals (CAN)
- Integrated MicroSD socket for data storage (SPI)
- Arduino Uno R3 compatible (SPI)
+-------+-----------------------+---------------------------+
| Name | Function | Usage |
+=======+=======================+===========================+
| A0 | None | |
+-------+-----------------------+---------------------------+
| A1 | None | |
+-------+-----------------------+---------------------------+
| A2 | None | |
+-------+-----------------------+---------------------------+
| A3 | None | |
+-------+-----------------------+---------------------------+
| A4 | None | |
+-------+-----------------------+---------------------------+
| A5 | None | |
+-------+-----------------------+---------------------------+
| D0 | RX | Ext. header only |
+-------+-----------------------+---------------------------+
| D1 | TX | Ext. header only |
+-------+-----------------------+---------------------------+
| D2 | GPIO_ACTIVE_LOW | MCP2515 - INT |
+-------+-----------------------+---------------------------+
| D3 | None | |
+-------+-----------------------+---------------------------+
| D4 | SPI-CS | MicroSD |
+-------+-----------------------+---------------------------+
| D5 | None | |
+-------+-----------------------+---------------------------+
| D6 | None | |
+-------+-----------------------+---------------------------+
| D7 | None | |
+-------+-----------------------+---------------------------+
| D8 | None | |
+-------+-----------------------+---------------------------+
| D9 | None | |
+-------+-----------------------+---------------------------+
| D10 | SPI-CS | MCP2515 |
+-------+-----------------------+---------------------------+
| D11 | SPI-MOSI | MCP2515 / MicroSD |
+-------+-----------------------+---------------------------+
| D12 | SPI-MISO | MCP2515 / MicroSD |
+-------+-----------------------+---------------------------+
| D13 | SPI-CLK | MCP2515 / MicroSD |
+-------+-----------------------+---------------------------+
| D14 | I2C-SDA | Ext. header only |
+-------+-----------------------+---------------------------+
| D15 | I2C_SCL | Ext. header only |
+-------+-----------------------+---------------------------+
- Power Supply
- 3.3V ~ 5V
- Components
- Power switch
- Power LED
- RX0BF LED
- RX1BF LED
For more information about the DFRobot CAN-BUS V2.0 shield:
- `DFRobot Website`_
- `DFRobot CAN BUS Shield V2.0 schematic`_
- `MCP2515 Datasheet`_
- `TJA1050 Datasheet`_
Keyestudio CAN-BUS Shield (KS0411)
**********************************
Overview
--------
The Keyestudio CAN BUS shield supports the Microchip MCP2515 stand-alone CAN
controller and MCP2551 high speed CAN transceiver. The shield has an Arduino
Uno R3 compatible hardware interface.
.. figure:: ../../../../../../../boards/shields/mcp2515/doc/keyestudio_can_bus_ks0411.jpg
:align: center
:alt: Keyestudio CAN-BUS Shield (KS0411)
Keyestudio CAN-BUS Shield (KS0411) (Credit: Keyestudio)
Hardware
--------
- MCP2515
- Stand-Alone CAN 2.0B Controller
- Up to 1Mb/s baud rate
- Standard and extended data and remote frames
- 3x Tx Buffers
- 2x Rx Buffers
- 6x 29-bit Filters
- 2x 29-bit Masks
- Interrupt output
- One shot mode
- High speed SPI interface (10 MHz)
- MCP2551
- Fully compatible with the “ISO 11898” standard
- High speed (up to 1 Mbaud)
- Connectivity
- Industrial standard DB9 terminal (CAN)
- Pin headers (CAN)
- Integrated MicroSD socket for data storage (SPI)
- Arduino Uno R3 compatible (SPI)
+-------+-----------------------+---------------------------+
| Name | Function | Usage |
+=======+=======================+===========================+
| A0 | None | |
+-------+-----------------------+---------------------------+
| A1 | None | |
+-------+-----------------------+---------------------------+
| A2 | None | |
+-------+-----------------------+---------------------------+
| A3 | None | |
+-------+-----------------------+---------------------------+
| A4 | None | |
+-------+-----------------------+---------------------------+
| A5 | None | |
+-------+-----------------------+---------------------------+
| D0 | RX | Ext. header only |
+-------+-----------------------+---------------------------+
| D1 | TX | Ext. header only |
+-------+-----------------------+---------------------------+
| D2 | None | |
+-------+-----------------------+---------------------------+
| D3 | None | |
+-------+-----------------------+---------------------------+
| D4 | None | |
+-------+-----------------------+---------------------------+
| D5 | None | |
+-------+-----------------------+---------------------------+
| D6 | None | |
+-------+-----------------------+---------------------------+
| D7 | None | |
+-------+-----------------------+---------------------------+
| D8 | GPIO_ACTIVE_LOW | MCP2515 - INT |
+-------+-----------------------+---------------------------+
| D9 | SPI-CS | MicroSD |
+-------+-----------------------+---------------------------+
| D10 | SPI-CS | MCP2515 |
+-------+-----------------------+---------------------------+
| D11 | SPI-MOSI | MCP2515 / MicroSD |
+-------+-----------------------+---------------------------+
| D12 | SPI-MISO | MCP2515 / MicroSD |
+-------+-----------------------+---------------------------+
| D13 | SPI-CLK | MCP2515 / MicroSD |
+-------+-----------------------+---------------------------+
| D14 | I2C-SDA | Ext. header only |
+-------+-----------------------+---------------------------+
| D15 | I2C_SCL | Ext. header only |
+-------+-----------------------+---------------------------+
- Power Supply
- 5.0VDC
For more information about the Keyestudio CAN-BUS shield:
- `Keyestudio Website`_
- `Keyestudio Wiki`_
- `MCP2515 Datasheet`_
- `MCP2551 Datasheet`_
Adafruit PiCowbell CAN Bus Shield for Pico
******************************************
Overview
--------
The Adafruit PiCowbell CAN Bus Shield uses the Microchip MCP2515 controller
with an TJA1051/3 transceiver. This shield is built for the Raspberry Pi Pico
and uses the SPI interface. It also contains a Qwiic connector to add support
for a sensor.
.. figure:: ../../../../../../../boards/shields/mcp2515/doc/adafruit_can_picowbell.jpg
:align: center
:alt: Adafruit PiCowbell CAN Bus Shield
Adafruit PiCowbell CAN Bus Shield
Hardware
--------
- MCP2515
- Stand-Alone CAN 2.0B Controller
- Up to 1Mb/s baud rate
- Standard and extended data and remote frames
- 3x Tx Buffers
- 2x Rx Buffers
- 6x 29-bit Filters
- 2x 29-bit Masks
- Interrupt output
- One shot mode
- High speed SPI interface (10 MHz)
- TJA1051
- Fully compatible with the “ISO 11898-2:2016”, "SAE J2284-1" & "SAE J2284-5" standards
- Supports CAN FD
- Fast data rates (up to 5 Mbit/s)
- Connectivity
- Terminal Block - 3-pin 3.5mm (CAN)
- Raspberry Pi Pico compatible (SPI)
+-------+-----------------------+---------------------------+
| Name | Function | Usage |
+=======+=======================+===========================+
| GP0 | None | |
+-------+-----------------------+---------------------------+
| GP1 | None | |
+-------+-----------------------+---------------------------+
| GP2 | None | |
+-------+-----------------------+---------------------------+
| GP3 | None | |
+-------+-----------------------+---------------------------+
| GP4 | None | |
+-------+-----------------------+---------------------------+
| GP5 | None | |
+-------+-----------------------+---------------------------+
| GP6 | None | |
+-------+-----------------------+---------------------------+
| GP7 | None | |
+-------+-----------------------+---------------------------+
| GP8 | None | |
+-------+-----------------------+---------------------------+
| GP9 | None | |
+-------+-----------------------+---------------------------+
| GP10 | None | |
+-------+-----------------------+---------------------------+
| GP11 | None | |
+-------+-----------------------+---------------------------+
| GP12 | None | |
+-------+-----------------------+---------------------------+
| GP13 | None | |
+-------+-----------------------+---------------------------+
| GP14 | None | |
+-------+-----------------------+---------------------------+
| GP15 | None | |
+-------+-----------------------+---------------------------+
| GP16 | SPI-MISO | MCP2515 |
+-------+-----------------------+---------------------------+
| GP17 | None | |
+-------+-----------------------+---------------------------+
| GP18 | SPI-SCK | MCP2515 |
+-------+-----------------------+---------------------------+
| GP19 | SPI-MOSI | MCP2515 |
+-------+-----------------------+---------------------------+
| GP20 | SPI-CS | MCP2515 |
+-------+-----------------------+---------------------------+
| GP21 | GPIO_ACTIVE_LOW | MCP2515 - INT |
+-------+-----------------------+---------------------------+
| GP22 | None | |
+-------+-----------------------+---------------------------+
| GP23 | None | |
+-------+-----------------------+---------------------------+
| GP24 | None | |
+-------+-----------------------+---------------------------+
| GP25 | None | |
+-------+-----------------------+---------------------------+
| GP26 | None | |
+-------+-----------------------+---------------------------+
| GP27 | None | |
+-------+-----------------------+---------------------------+
| GP28 | None | |
+-------+-----------------------+---------------------------+
- Power Supply
- 3.3V ~ 5V
For more information about the Adafruit PiCowbell CAN Bus shield:
- `Adafruit Website`_
- `MCP2515 Datasheet`_
- `TJA1051 Datasheet`_
Programming
***********
Set ``--shield dfrobot_can_bus_v2_0`` or ``--shield keyestudio_can_bus_ks0411``
or ``--shield adafruit_can_picowbell`` when you invoke ``west build`` or ``cmake`` in your Zephyr application. For
example:
.. zephyr-app-commands::
:zephyr-app: samples/drivers/can/counter
:tool: all
:board: nrf52dk/nrf52832
:shield: dfrobot_can_bus_v2_0
:goals: build flash
.. zephyr-app-commands::
:zephyr-app: samples/drivers/can/counter
:tool: all
:board: nrf52840dk/nrf52840
:shield: keyestudio_can_bus_ks0411
:goals: build flash
.. zephyr-app-commands::
:zephyr-app: samples/drivers/can/counter
:tool: all
:board: rpi_pico
:shield: adafruit_can_picowbell
:goals: build
.. _DFRobot Website:
https://www.dfrobot.com/product-1444.html
.. _DFRobot CAN BUS Shield V2.0 schematic:
https://github.com/DFRobot/DFRobot_MCP2515/blob/master/resources/doc/DFR0370%20CAN%20BUS%20sheild(V2.0).pdf
.. _MCP2515:
https://www.microchip.com/en-us/product/MCP2515
.. _Keyestudio Website:
https://www.keyestudio.com/2019new-keyestudio-can-bus-shield-mcp2551-chip-with-sd-socket-for-arduino-uno-r3-p0543.html
.. _Keyestudio Wiki:
https://wiki.keyestudio.com/KS0411_keyestudio_CAN-BUS_Shield
.. _MCP2515 Datasheet:
http://ww1.microchip.com/downloads/en/DeviceDoc/MCP2515-Stand-Alone-CAN-Controller-with-SPI-20001801J.pdf
.. _TJA1050 Datasheet:
https://www.nxp.com/docs/en/data-sheet/TJA1050.pdf
.. _MCP2551 Datasheet:
https://ww1.microchip.com/downloads/en/DeviceDoc/20001667G.pdf
.. _Adafruit Website:
https://www.adafruit.com/product/5728#technical-details
.. _TJA1051 Datasheet:
https://www.nxp.com/docs/en/data-sheet/TJA1051.pdf
Part 3
한국어 전문 번역
개요
Zephyr는 SPI interface를 갖춘 Microchip MCP2515 stand-alone CAN controller를 탑재한 여러 shield를 지원합니다.
DFRobot CAN BUS Shield V2.0
DFRobot shield는 MCP2515 stand-alone CAN controller와 high-speed CAN transceiver를 탑재하며 Arduino Uno R3 hardware interface를 사용합니다.
MCP2515
- Stand-alone CAN 2.0B controller
- 최대 1Mb/s baud rate
- Standard/extended data frame와 remote frame
- Tx buffer 3개, Rx buffer 2개
- 29-bit filter 6개, 29-bit mask 2개
- Interrupt output과 one-shot mode
- 10MHz high-speed SPI interface
TJA1050
- ISO 11898 standard와 완전 호환
- 최대 1Mbaud high-speed CAN
Connectivity
- Industrial-standard DB9 terminal과 screw terminal(CAN)
- Data storage용 integrated microSD socket(SPI)
- Arduino Uno R3 compatible SPI
| Name | Function | Usage |
|---|---|---|
| A0 | None | |
| A1 | None | |
| A2 | None | |
| A3 | None | |
| A4 | None | |
| A5 | None | |
| D0 | RX | Ext. header only |
| D1 | TX | Ext. header only |
| D2 | GPIO_ACTIVE_LOW | MCP2515 - INT |
| D3 | None | |
| D4 | SPI-CS | MicroSD |
| D5 | None | |
| D6 | None | |
| D7 | None | |
| D8 | None | |
| D9 | None | |
| D10 | SPI-CS | MCP2515 |
| D11 | SPI-MOSI | MCP2515 / MicroSD |
| D12 | SPI-MISO | MCP2515 / MicroSD |
| D13 | SPI-CLK | MCP2515 / MicroSD |
| D14 | I2C-SDA | Ext. header only |
| D15 | I2C_SCL | Ext. header only |
Power와 component
- Power supply: 3.3V~5V
- Power switch와 power LED
- RX0BF LED, RX1BF LED
Keyestudio CAN-BUS Shield (KS0411)
Keyestudio shield는 MCP2515 stand-alone CAN controller와 MCP2551 high-speed CAN transceiver를 탑재하며 Arduino Uno R3 hardware interface를 사용합니다.
MCP2515
- Stand-alone CAN 2.0B controller
- 최대 1Mb/s baud rate
- Standard/extended data frame와 remote frame
- Tx buffer 3개, Rx buffer 2개
- 29-bit filter 6개, 29-bit mask 2개
- Interrupt output과 one-shot mode
- 10MHz high-speed SPI interface
MCP2551
- ISO 11898 standard와 완전 호환
- 최대 1Mbaud high-speed CAN
Connectivity
- Industrial-standard DB9 terminal과 CAN pin header
- Data storage용 integrated microSD socket(SPI)
- Arduino Uno R3 compatible SPI
| Name | Function | Usage |
|---|---|---|
| A0 | None | |
| A1 | None | |
| A2 | None | |
| A3 | None | |
| A4 | None | |
| A5 | None | |
| D0 | RX | Ext. header only |
| D1 | TX | Ext. header only |
| D2 | None | |
| D3 | None | |
| D4 | None | |
| D5 | None | |
| D6 | None | |
| D7 | None | |
| D8 | GPIO_ACTIVE_LOW | MCP2515 - INT |
| D9 | SPI-CS | MicroSD |
| D10 | SPI-CS | MCP2515 |
| D11 | SPI-MOSI | MCP2515 / MicroSD |
| D12 | SPI-MISO | MCP2515 / MicroSD |
| D13 | SPI-CLK | MCP2515 / MicroSD |
| D14 | I2C-SDA | Ext. header only |
| D15 | I2C_SCL | Ext. header only |
Power supply는 5.0VDC입니다.
Adafruit PiCowbell CAN Bus Shield for Pico
Adafruit PiCowbell은 MCP2515 controller와 TJA1051/3 transceiver를 사용합니다. Raspberry Pi Pico용 SPI shield이며 sensor 확장을 위한 Qwiic connector도 포함합니다.
MCP2515
- Stand-alone CAN 2.0B controller
- 최대 1Mb/s baud rate
- Standard/extended data frame와 remote frame
- Tx buffer 3개, Rx buffer 2개
- 29-bit filter 6개, 29-bit mask 2개
- Interrupt output과 one-shot mode
- 10MHz high-speed SPI interface
TJA1051
- ISO 11898-2:2016, SAE J2284-1, SAE J2284-5 standard와 완전 호환
- CAN FD 지원
- 최대 5Mbit/s fast data rate
Connectivity
- 3-pin 3.5mm terminal block(CAN)
- Raspberry Pi Pico compatible SPI
| Name | Function | Usage |
|---|---|---|
| GP0 | None | |
| GP1 | None | |
| GP2 | None | |
| GP3 | None | |
| GP4 | None | |
| GP5 | None | |
| GP6 | None | |
| GP7 | None | |
| GP8 | None | |
| GP9 | None | |
| GP10 | None | |
| GP11 | None | |
| GP12 | None | |
| GP13 | None | |
| GP14 | None | |
| GP15 | None | |
| GP16 | SPI-MISO | MCP2515 |
| GP17 | None | |
| GP18 | SPI-SCK | MCP2515 |
| GP19 | SPI-MOSI | MCP2515 |
| GP20 | SPI-CS | MCP2515 |
| GP21 | GPIO_ACTIVE_LOW | MCP2515 - INT |
| GP22 | None | |
| GP23 | None | |
| GP24 | None | |
| GP25 | None | |
| GP26 | None | |
| GP27 | None | |
| GP28 | None |
Power supply는 3.3V~5V입니다.
프로그래밍
Zephyr application에서 shield에 맞춰 dfrobot_can_bus_v2_0, keyestudio_can_bus_ks0411, adafruit_can_picowbell 중 하나를 선택합니다.
DFRobot
west build -b nrf52dk/nrf52832 --shield dfrobot_can_bus_v2_0 samples/drivers/can/counter
west flashKeyestudio
west build -b nrf52840dk/nrf52840 --shield keyestudio_can_bus_ks0411 samples/drivers/can/counter
west flashAdafruit PiCowbell
west build -b rpi_pico --shield adafruit_can_picowbell samples/drivers/can/counter참고 자료
Source
출처
영어 원문에는 문단, 문서 지시문, 표, 코드, 코드 심벌, 경로를 그대로 보존했습니다.