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esp-idf/docs/api/gpio.rst

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All API Reference docs updated to match header files 1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
2016-11-05 17:18:25 +01:00
GPIO
====
Draft of GPIO API included
2016-10-25 12:09:05 +02:00
API template - reflected template in other DRAFT API dcouments - DRAFT of Bluetooth API - link fixes in CONTRIBUTING.rst
2016-10-26 21:08:36 +02:00
Overview
--------
gpio_driver: add per-pin interrupt handlers 1. add ISR handler apis so that users of different layers can hook their own isr handler on different GPIO. Audio project has different software layers, they need different gpio isr handler for layer instead of processing all GPIO interrupts in one handler. If this kind of calling a handler from isr is not proper, please kindly point out. 2. add gpio example code. 3. improve gpio.rst 4. add readme for gpio example Squashed commits: [278e50f] update: GPIO 1. coding style, add a space between conditional or loop keyword and an opening paren. 2. modify some return value and doc 3. use printf in example code Squashed commits: [efb23bb] minor change of comment
2016-12-24 20:45:57 +08:00
The ESP32 chip features 40 physical GPIO pads. Some GPIO pads cannot be used or do not have the corresponding pin on the chip package(refer to technical reference manual ). Each pad can be used as a general purpose I/O or can be connected to an internal peripheral signal.
Note that GPIO6-11 are usually used for SPI flash. GPIO34-39 can only be set as input mode.
API template - reflected template in other DRAFT API dcouments - DRAFT of Bluetooth API - link fixes in CONTRIBUTING.rst
2016-10-26 21:08:36 +02:00
Application Example
-------------------
gpio_driver: add per-pin interrupt handlers 1. add ISR handler apis so that users of different layers can hook their own isr handler on different GPIO. Audio project has different software layers, they need different gpio isr handler for layer instead of processing all GPIO interrupts in one handler. If this kind of calling a handler from isr is not proper, please kindly point out. 2. add gpio example code. 3. improve gpio.rst 4. add readme for gpio example Squashed commits: [278e50f] update: GPIO 1. coding style, add a space between conditional or loop keyword and an opening paren. 2. modify some return value and doc 3. use printf in example code Squashed commits: [efb23bb] minor change of comment
2016-12-24 20:45:57 +08:00
GPIO output and input interrupt example: `examples/21_gpio <https://github.com/espressif/esp-idf/tree/master/examples/21_gpio>`_.
All API Reference docs updated to match header files 1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
2016-11-05 17:18:25 +01:00
API Reference
-------------
Revised api files - Included UART API - Addedd "Header Files" - Improved template - deleted redundat nvs.rst
2016-11-10 22:50:55 +01:00
Header Files
^^^^^^^^^^^^
* `driver/include/driver/driver/gpio.h <https://github.com/espressif/esp-idf/blob/master/components/driver/include/driver/gpio.h>`_
All API Reference docs updated to match header files 1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
2016-11-05 17:18:25 +01:00
Macros
Revised api files - Included UART API - Addedd "Header Files" - Improved template - deleted redundat nvs.rst
2016-11-10 22:50:55 +01:00
^^^^^^
All API Reference docs updated to match header files 1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
2016-11-05 17:18:25 +01:00
.. doxygendefine:: GPIO_SEL_0
.. doxygendefine:: GPIO_SEL_1
.. doxygendefine:: GPIO_SEL_2
.. doxygendefine:: GPIO_SEL_3
.. doxygendefine:: GPIO_SEL_4
.. doxygendefine:: GPIO_SEL_5
.. doxygendefine:: GPIO_SEL_6
.. doxygendefine:: GPIO_SEL_7
.. doxygendefine:: GPIO_SEL_8
.. doxygendefine:: GPIO_SEL_9
.. doxygendefine:: GPIO_SEL_10
.. doxygendefine:: GPIO_SEL_11
.. doxygendefine:: GPIO_SEL_12
.. doxygendefine:: GPIO_SEL_13
.. doxygendefine:: GPIO_SEL_14
.. doxygendefine:: GPIO_SEL_15
.. doxygendefine:: GPIO_SEL_16
.. doxygendefine:: GPIO_SEL_17
.. doxygendefine:: GPIO_SEL_18
.. doxygendefine:: GPIO_SEL_19
.. doxygendefine:: GPIO_SEL_21
.. doxygendefine:: GPIO_SEL_22
.. doxygendefine:: GPIO_SEL_23
.. doxygendefine:: GPIO_SEL_25
.. doxygendefine:: GPIO_SEL_26
.. doxygendefine:: GPIO_SEL_27
.. doxygendefine:: GPIO_SEL_32
.. doxygendefine:: GPIO_SEL_33
.. doxygendefine:: GPIO_SEL_34
.. doxygendefine:: GPIO_SEL_35
.. doxygendefine:: GPIO_SEL_36
.. doxygendefine:: GPIO_SEL_37
.. doxygendefine:: GPIO_SEL_38
.. doxygendefine:: GPIO_SEL_39
.. doxygendefine:: GPIO_PIN_REG_0
.. doxygendefine:: GPIO_PIN_REG_1
.. doxygendefine:: GPIO_PIN_REG_2
.. doxygendefine:: GPIO_PIN_REG_3
.. doxygendefine:: GPIO_PIN_REG_4
.. doxygendefine:: GPIO_PIN_REG_5
.. doxygendefine:: GPIO_PIN_REG_6
.. doxygendefine:: GPIO_PIN_REG_7
.. doxygendefine:: GPIO_PIN_REG_8
.. doxygendefine:: GPIO_PIN_REG_9
.. doxygendefine:: GPIO_PIN_REG_10
.. doxygendefine:: GPIO_PIN_REG_11
.. doxygendefine:: GPIO_PIN_REG_12
.. doxygendefine:: GPIO_PIN_REG_13
.. doxygendefine:: GPIO_PIN_REG_14
.. doxygendefine:: GPIO_PIN_REG_15
.. doxygendefine:: GPIO_PIN_REG_16
.. doxygendefine:: GPIO_PIN_REG_17
.. doxygendefine:: GPIO_PIN_REG_18
.. doxygendefine:: GPIO_PIN_REG_19
.. doxygendefine:: GPIO_PIN_REG_20
.. doxygendefine:: GPIO_PIN_REG_21
.. doxygendefine:: GPIO_PIN_REG_22
.. doxygendefine:: GPIO_PIN_REG_23
.. doxygendefine:: GPIO_PIN_REG_25
.. doxygendefine:: GPIO_PIN_REG_26
.. doxygendefine:: GPIO_PIN_REG_27
.. doxygendefine:: GPIO_PIN_REG_32
.. doxygendefine:: GPIO_PIN_REG_33
.. doxygendefine:: GPIO_PIN_REG_34
.. doxygendefine:: GPIO_PIN_REG_35
.. doxygendefine:: GPIO_PIN_REG_36
.. doxygendefine:: GPIO_PIN_REG_37
.. doxygendefine:: GPIO_PIN_REG_38
.. doxygendefine:: GPIO_PIN_REG_39
.. doxygendefine:: GPIO_APP_CPU_INTR_ENA
.. doxygendefine:: GPIO_APP_CPU_NMI_INTR_ENA
.. doxygendefine:: GPIO_PRO_CPU_INTR_ENA
.. doxygendefine:: GPIO_PRO_CPU_NMI_INTR_ENA
.. doxygendefine:: GPIO_SDIO_EXT_INTR_ENA
.. doxygendefine:: GPIO_MODE_DEF_INPUT
.. doxygendefine:: GPIO_MODE_DEF_OUTPUT
.. doxygendefine:: GPIO_MODE_DEF_OD
.. doxygendefine:: GPIO_PIN_COUNT
.. doxygendefine:: GPIO_IS_VALID_GPIO
.. doxygendefine:: GPIO_IS_VALID_OUTPUT_GPIO
Type Definitions
^^^^^^^^^^^^^^^^
gpio_driver: add per-pin interrupt handlers 1. add ISR handler apis so that users of different layers can hook their own isr handler on different GPIO. Audio project has different software layers, they need different gpio isr handler for layer instead of processing all GPIO interrupts in one handler. If this kind of calling a handler from isr is not proper, please kindly point out. 2. add gpio example code. 3. improve gpio.rst 4. add readme for gpio example Squashed commits: [278e50f] update: GPIO 1. coding style, add a space between conditional or loop keyword and an opening paren. 2. modify some return value and doc 3. use printf in example code Squashed commits: [efb23bb] minor change of comment
2016-12-24 20:45:57 +08:00
.. doxygentypedef:: gpio_isr_t
.. doxygentypedef:: gpio_isr_handle_t
API template - reflected template in other DRAFT API dcouments - DRAFT of Bluetooth API - link fixes in CONTRIBUTING.rst
2016-10-26 21:08:36 +02:00
Sample cleaning of markup
2016-10-26 22:17:58 +02:00
Enumerations
^^^^^^^^^^^^
All API Reference docs updated to match header files 1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
2016-11-05 17:18:25 +01:00
.. doxygenenum:: gpio_num_t
Sample cleaning of markup
2016-10-26 22:17:58 +02:00
.. doxygenenum:: gpio_int_type_t
.. doxygenenum:: gpio_mode_t
All API Reference docs updated to match header files 1. Wi-Fi <api/esp_wifi> 2. Bluetooth <api/bt> 2. GPIO <api/gpio> 4. LED Control <api/ledc> 5. Logging <api/log> 6. Non-Volatile Storage <api/nvs_flash> 7. Virtual Filesystem <api/vfs>
2016-11-05 17:18:25 +01:00
.. doxygenenum:: gpio_pullup_t
.. doxygenenum:: gpio_pulldown_t
Sample cleaning of markup
2016-10-26 22:17:58 +02:00
.. doxygenenum:: gpio_pull_mode_t
gpio_driver: add per-pin interrupt handlers 1. add ISR handler apis so that users of different layers can hook their own isr handler on different GPIO. Audio project has different software layers, they need different gpio isr handler for layer instead of processing all GPIO interrupts in one handler. If this kind of calling a handler from isr is not proper, please kindly point out. 2. add gpio example code. 3. improve gpio.rst 4. add readme for gpio example Squashed commits: [278e50f] update: GPIO 1. coding style, add a space between conditional or loop keyword and an opening paren. 2. modify some return value and doc 3. use printf in example code Squashed commits: [efb23bb] minor change of comment
2016-12-24 20:45:57 +08:00
Structures
^^^^^^^^^^
.. doxygenstruct:: gpio_config_t
:members:
API template - reflected template in other DRAFT API dcouments - DRAFT of Bluetooth API - link fixes in CONTRIBUTING.rst
2016-10-26 21:08:36 +02:00
Functions
^^^^^^^^^
Draft of GPIO API included
2016-10-25 12:09:05 +02:00
.. doxygenfunction:: gpio_config
.. doxygenfunction:: gpio_set_intr_type
.. doxygenfunction:: gpio_intr_enable
.. doxygenfunction:: gpio_intr_disable
.. doxygenfunction:: gpio_set_level
.. doxygenfunction:: gpio_get_level
.. doxygenfunction:: gpio_set_direction
.. doxygenfunction:: gpio_set_pull_mode
.. doxygenfunction:: gpio_wakeup_enable
.. doxygenfunction:: gpio_wakeup_disable
.. doxygenfunction:: gpio_isr_register
gpio_driver: add per-pin interrupt handlers 1. add ISR handler apis so that users of different layers can hook their own isr handler on different GPIO. Audio project has different software layers, they need different gpio isr handler for layer instead of processing all GPIO interrupts in one handler. If this kind of calling a handler from isr is not proper, please kindly point out. 2. add gpio example code. 3. improve gpio.rst 4. add readme for gpio example Squashed commits: [278e50f] update: GPIO 1. coding style, add a space between conditional or loop keyword and an opening paren. 2. modify some return value and doc 3. use printf in example code Squashed commits: [efb23bb] minor change of comment
2016-12-24 20:45:57 +08:00
.. doxygenfunction:: gpio_pullup_en
.. doxygenfunction:: gpio_pullup_dis
.. doxygenfunction:: gpio_pulldown_en
.. doxygenfunction:: gpio_pulldown_dis
.. doxygenfunction:: gpio_install_isr_service
.. doxygenfunction:: gpio_uninstall_isr_service
.. doxygenfunction:: gpio_isr_handler_add
.. doxygenfunction:: gpio_isr_handler_remove
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