Add RS485 Half-Duplex Echo example #1006
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This is an initial version for RS-485 half-duplex line driver control. using the RTS control line. Using RTS is sort of industry standard.
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aperley
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Feb 27, 2018
These changes were copied from espressif#1006.
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Sorry for the long delay. Espressif has implemented RS-485 support based on the implementation provided here, it will be merged soon. |
igrr
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Jul 4, 2018
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes #667 Closes #1006
igrr
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Jul 4, 2018
…e ignore tag to check ut case) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes #667 Closes #1006
igrr
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that referenced
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Jul 4, 2018
…obs into *.yml file) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes #667 Closes #1006
igrr
pushed a commit
that referenced
this pull request
Jul 4, 2018
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes #667 Closes #1006
igrr
pushed a commit
that referenced
this pull request
Jul 4, 2018
…ndentation after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes #667 Closes #1006
igrr
pushed a commit
that referenced
this pull request
Jul 4, 2018
…fter review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output uart.c: remove reset using UART_RXFIFO_RST from driver. readme.md: Update example description The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes #667 Closes #1006
chmorgan
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Jul 7, 2018
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
chmorgan
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Jul 7, 2018
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
chmorgan
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to chmorgan/esp-idf
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Jul 7, 2018
…e ignore tag to check ut case) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
chmorgan
pushed a commit
to chmorgan/esp-idf
that referenced
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Jul 7, 2018
…obs into *.yml file) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
chmorgan
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to chmorgan/esp-idf
that referenced
this pull request
Jul 7, 2018
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
chmorgan
pushed a commit
to chmorgan/esp-idf
that referenced
this pull request
Jul 7, 2018
…ndentation after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
chmorgan
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to chmorgan/esp-idf
that referenced
this pull request
Jul 7, 2018
…fter review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output uart.c: remove reset using UART_RXFIFO_RST from driver. readme.md: Update example description The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif#667 Closes espressif#1006
catalinio
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Jun 28, 2019
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
catalinio
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Jun 28, 2019
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
catalinio
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Jun 28, 2019
…e ignore tag to check ut case) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
catalinio
pushed a commit
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that referenced
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Jun 28, 2019
…obs into *.yml file) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
catalinio
pushed a commit
to catalinio/pycom-esp-idf
that referenced
this pull request
Jun 28, 2019
…e after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
catalinio
pushed a commit
to catalinio/pycom-esp-idf
that referenced
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Jun 28, 2019
…ndentation after review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
catalinio
pushed a commit
to catalinio/pycom-esp-idf
that referenced
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Jun 28, 2019
…fter review) An existing UART driver does not support RS485 half duplex mode. This task adds this functionality to ESP_IDF UART driver. driver/uart.c/h: updated to add support of RS485 half duplex mode examples/peripherals/uart_echo_rs485/main/rs485_example.c: added test example components/driver/test/test_uart.c: added test of RS485 half duplex mode docs/en/api-reference/peripherals/uart.rst: updated documentation test_uart.c: suppress GCC warnings about discarded const qualifiers uart.rst: remove sphinx warning - "Duplicate explicit target name" simple change in uart.h file update (test_uart.c) after rebase from master update uart.rst, uart.c, rs485_example.c Update example description in file Readme.md update uart.c/h, uart.rst, test_uart.c according to review results update uart.h (uart_set_rx_timeout() description test_uart.c remove ignore tag uart.c/h: fix param errors test_uart.c: Remove GCC warning supress uart.rst: fix the notes rs485_example.c: fix output uart.c: remove reset using UART_RXFIFO_RST from driver. readme.md: Update example description The tests are completed using RS485 adapters hardware connected to two ESP32 WROVER KITs. TW#13812 Closes espressif/esp-idf#667 Closes espressif/esp-idf#1006
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Tested with 3 node RS485 bus.
Requires Half-Duplex driver code from #667