boards/arm/ht32f491x3: Add PWM support for the HT32F49163 Starter Kit board#18649
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FelipeMdeO wants to merge 2 commits intoapache:masterfrom
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boards/arm/ht32f491x3: Add PWM support for the HT32F49163 Starter Kit board#18649FelipeMdeO wants to merge 2 commits intoapache:masterfrom
FelipeMdeO wants to merge 2 commits intoapache:masterfrom
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Add a TMR3-based PWM lower-half driver for the HT32F491x3 port, register /dev/pwm0 on the esk32 board, and add an esk32:pwm configuration for board-level validation. Signed-off-by: Felipe Moura <moura.fmo@gmail.com>
Document the esk32:pwm configuration, the default TMR3 PWM pin mapping, the NSH validation command and expected output, and add a peripheral support table covering the current board status. Signed-off-by: Felipe Moura <moura.fmo@gmail.com>
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Area: Documentation
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Hello @xiaoxiang781216 , @acassis , @linguini1 . I am working with this board daily, so I am porting drivers step by step. |
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Summary
This PR adds PWM support for the HT32F491x3 ESK32 board.
Changes included:
add HT32F491x3 TMR3 PWM lower-half driver support
register /dev/pwm0 on the ESK32 board
add board-level PWM pin mapping for TMR3 channels 1 to 4
add esk32:pwm configuration for board-level PWM validation
document PWM support, pin mapping, and test procedure for ESK32
Impact
Is new feature added? Yes
Impact on user: esk32:pwm now provides /dev/pwm0 and the pwm example application for board-level PWM testing
Impact on build: No global build changes
Impact on hardware: Yes, ARM/HT32F491x3 ESK32 board support
Impact on documentation: Yes
Impact on security: No
Testing