62 lines
1.4 KiB
C
62 lines
1.4 KiB
C
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/*
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* gpio_ext.h
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*
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* Abstraction layer definitions for extrenal gpios
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*
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* @date Mar 8, 2019
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* @author Andrey Gusakov, (c) 2019
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*/
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#ifndef GPIO_EXT_H_
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#define GPIO_EXT_H_
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#if EFI_PROD_CODE
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#include "board.h"
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#endif
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#include "rusefi_enums.h"
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/*==========================================================================*/
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/* Checks */
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/*==========================================================================*/
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#ifndef BOARD_EXT_GPIOCHIPS
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#define BOARD_EXT_GPIOCHIPS 0
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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struct gpiochip_ops {
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int (*setPadMode)(void *data, unsigned int pin, int mode);
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int (*writePad)(void *data, unsigned int pin, int value);
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int (*readPad)(void *data, unsigned int pin);
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int (*getDiag)(void *data, unsigned int pin);
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int (*init)(void *data);
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int (*deinit)(void *data);
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};
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int getHwPinExt(unsigned int pin);
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const char *portNameExt(unsigned int pin);
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/* register gpio cgip */
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int gpiochip_register(const char *name, struct gpiochip_ops *ops, size_t size, void *priv);
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/* gpio extenders subsystem init */
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int gpiochips_init(void);
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int gpiochips_setPadMode(brain_pin_e pin, int mode);
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int gpiochips_writePad(brain_pin_e pin, int value);
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int gpiochips_readPad(brain_pin_e pin);
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/* return total number of external gpios */
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int gpiochips_get_total_pins(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GPIO_EXT_H_ */
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