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esp-idf/docs/en/api-reference/peripherals/mcpwm.rst

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feature: add Motor Control PWM(mcpwm) driver 1. Name change from chopper to carrier, block diagram update, minor changes to example codes 2. mcpwm_reg.h changed, brought uniformity in comments, worked on suggestions, duty to accept float. Some name changes! 3. Minor readme changes and Indetation 4. Minor change: move mcpwm_reg.h and mcpwm_struct.h to new path 5. Minor change: addition of BLDC example code and Readme 6. Name changed from epwm to mcpwm 7. Improve the reg name in mcpwm_struct.h 8. Name change chopper>carrier, deadband>deadtime
2017-03-29 08:39:35 +00:00
MCPWM
=====
Overview
--------
ESP32 has two MCPWM units which can be used to control different motors.
Block Diagram
-------------
The block diagram of MCPWM unit is as shown.
::
__________________________________________________________________________
| SYNCSIG FAULT SIG CAPTURE SIG |
| 0 1 2 0 1 2 0 1 2 |
|___________________________________________________________________ G |
INTERRUPTS<-----+ | | | | | | | | | | P |
| | | | | | | | | | | I |
________|_|___|___|_____________|___|___|_________|___|___|_________ | O |
| | | | | | | | | | | | |
| | | | | | | | | | | | M |
| | | | __v___v___v__ __v___v___v__ | | A |
| | | | | | | | | | T |
| | | | | FAULT | | CAPTURE | | | R |
| | | | | HANDLER | | | | | I |
| | | | | | |___________| | | X |
| | | | |___________| | | |
| | | | | | |
| ____v___v___v____ ____________________ | | |
| | +---------+ | | +------------+ |--------->|PWM0A|
| | | Timer 0 | | | | Operator 0 | | | | |
| | +---------+ | | +------------+ |--------->|PWM0B|
| | | | | | | |
| | +---------+ | | +------------+ |--------->|PWM1A|
| | | Timer 1 | |------------------->| | Operator 1 | | | | |
| | +---------+ | | +------------+ |--------->|PWM1B|
| | | | | | | |
| | +---------+ | | +------------+ |--------->|PWM2A|
| | | Timer 2 | | | | Operator 2 | | | | |
| | +---------+ | | +------------+ |--------->|PWM2B|
| |_______________| |__________________| | |_____|
| |
| MCPWM-UNIT 0/1 |
|___________________________________________________________________|
Application Example
-------------------
docs: Generate Doxygen directives for API documentation This is to resolve issue reported in https://github.com/espressif/esp-idf/issues/130.
2017-05-02 08:36:01 +00:00
Examples of using MCPWM for motor control: :example:`peripherals/mcpwm`.
feature: add Motor Control PWM(mcpwm) driver 1. Name change from chopper to carrier, block diagram update, minor changes to example codes 2. mcpwm_reg.h changed, brought uniformity in comments, worked on suggestions, duty to accept float. Some name changes! 3. Minor readme changes and Indetation 4. Minor change: move mcpwm_reg.h and mcpwm_struct.h to new path 5. Minor change: addition of BLDC example code and Readme 6. Name changed from epwm to mcpwm 7. Improve the reg name in mcpwm_struct.h 8. Name change chopper>carrier, deadband>deadtime
2017-03-29 08:39:35 +00:00
API Reference
-------------
docs: Generate Doxygen directives for API documentation This is to resolve issue reported in https://github.com/espressif/esp-idf/issues/130.
2017-05-02 08:36:01 +00:00
.. include:: /_build/inc/mcpwm.inc
feature: add Motor Control PWM(mcpwm) driver 1. Name change from chopper to carrier, block diagram update, minor changes to example codes 2. mcpwm_reg.h changed, brought uniformity in comments, worked on suggestions, duty to accept float. Some name changes! 3. Minor readme changes and Indetation 4. Minor change: move mcpwm_reg.h and mcpwm_struct.h to new path 5. Minor change: addition of BLDC example code and Readme 6. Name changed from epwm to mcpwm 7. Improve the reg name in mcpwm_struct.h 8. Name change chopper>carrier, deadband>deadtime
2017-03-29 08:39:35 +00:00