Bootcamp: Shayne Yang - #324
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ShayneYurnYang wants to merge 3 commits into
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ShayneYurnYang wants to merge 3 commits into
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Updated pin configurations for through STMCubeIDE
Initialize SPI-based ADC reads and drive a 50Hz PWM servo output from ADC values. Set chip-select (PA4) HIGH during init to avoid ADC desync, then start TIM1 PWM. In the main loop send a 3-byte SPI request, reconstruct a 10-bit ADC value from the response, map it linearly to timer compare counts (3200-6400) for 1–2 ms pulse width, and update TIM1 CH1. Also throttle loop with HAL_Delay(10). Adjust TIM1 period from 64000 to 63999 in both tim.c and the .ioc to correct the timer's autoreload value.
Add SERVO_MIN_PULSE, SERVO_MAX_PULSE and SERVO_PULSE_RANGE macros and replace hard-coded 3200/6400 values in main.c. The ADC-to-PWM interpolation now uses the named constants (with UL suffix) to compute compare_val, improving clarity and ensuring correct unsigned arithmetic when mapping 10-bit ADC values to timer counts.
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