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42 lines
1.0 KiB
42 lines
1.0 KiB
7 years ago
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//
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// Utilities for parsing pins from settings to LL and resources
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//
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// Created by MightyPork on 2017/12/08.
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//
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#ifndef GEX_PIN_UTILS_H
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#define GEX_PIN_UTILS_H
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#include "platform.h"
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#include "resources.h"
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/**
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* Convert pin number to LL driver bitfield for working with the pin.
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*
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* @param pin_number - number 0..15
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* @param suc - set to false on failure, left unchanged on success.
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* @return LL_GPIO_PIN_x
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*/
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uint32_t plat_pin2ll(uint8_t pin_number, bool *suc);
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/**
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* Convert pin name and number to a resource enum
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*
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* @param port_name - char 'A'..'Z'
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* @param pin_number - number 0..15
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* @param suc - set to false on failure, left unchanged on success
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* @return the resource, or R_NONE
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*/
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Resource plat_pin2resource(char port_name, uint8_t pin_number, bool *suc);
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/**
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* Convert port name to peripheral instance
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*
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* @param port_name - char 'A'..'Z'
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* @param suc - set to false on failure, left unchanged on success.
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* @return instance
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*/
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GPIO_TypeDef *plat_port2periph(char port_name, bool *suc);
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#endif //GEX_PIN_UTILS_H
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