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48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2025 Igor Brkic <igor@hyperglitch.com>
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*
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* SPDX-License-Identifier: GPL-3.0-or-later
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*/
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#ifndef JF_I2C_H
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#define JF_I2C_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "cmsis_os.h"
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#include "main.h"
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typedef enum {
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JF_I2C_DEST_DIGIPOT = 0x2c,
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JF_I2C_DEST_DAC_ISETPLUS = 0x60,
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JF_I2C_DEST_DAC_ISETMINUS = 0x61,
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JF_I2C_DEST_USBPD1 = 0x29,
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JF_I2C_DEST_USBPD2 = 0x28
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} jf_i2c_addr_t;
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typedef enum {
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JF_I2C_CMD_WRITE,
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JF_I2C_CMD_READ,
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JF_I2C_CMD_WRITE_READ,
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JF_I2C_CMD_COUNT
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} jf_i2c_cmd_t;
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typedef struct {
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jf_i2c_addr_t addr;
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jf_i2c_cmd_t cmd;
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uint8_t *write_buffer;
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uint8_t *read_buffer;
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uint16_t size;
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TaskHandle_t notify_task;
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} jf_i2c_request_t;
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void jf_i2c_init(I2C_HandleTypeDef *hi2c);
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bool jf_i2c_add_to_queue(const jf_i2c_addr_t addr, const jf_i2c_cmd_t cmd, uint8_t *write_buffer, uint8_t *read_buffer, const uint16_t size, const bool blocking);
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bool jf_i2c_add_to_queue_from_isr(jf_i2c_addr_t addr, jf_i2c_cmd_t cmd, uint8_t *write_buffer, uint8_t *read_buffer, uint16_t size);
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void jf_i2c_handle_callback(I2C_HandleTypeDef *hi2c);
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void jf_i2c_handle_error_callback(I2C_HandleTypeDef *hi2c);
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#endif //JF_I2C_H
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