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aee495e785
add new i2c bit-banging feature, we can now connect in JTAG with the SoC target and in i2c with the main board components at the same time. Change-Id: I8e4516fe1ad5238e0373444f1c3c9bc0814d0f52 Signed-off-by: Ahmed BOUDJELIDA <aboudjelida@nanoxplore.com> Reviewed-on: https://review.openocd.org/c/openocd/+/7796 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
29 lines
889 B
C
29 lines
889 B
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/****************************************************************************
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File : i2c.h *
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Contents : i2c bit-bang library *
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Copyright 2023, Ahmed Errached BOUDJELIDA, NanoXplore SAS. *
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<aboudjelida@nanoxplore.com> *
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<ahmederrachedbjld@gmail.com> *
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*****************************************************************************/
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#ifndef __I2C_H
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#define __I2C_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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void start_cd(void);
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void repeated_start(void);
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void stop_cd(void);
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void clock_cd(void);
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void send_ack(void);
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bool get_ack(void);
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uint8_t get_address(uint8_t adr, uint8_t rdwr);
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void send_byte(uint8_t input);
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uint8_t receive_byte(void);
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#endif
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