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https://gitee.com/Lyon1998/pikapython.git
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78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
#ifndef _PIKA_DEV_HAL_H
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#define _PIKA_DEV_HAL_H
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#include <stddef.h>
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#include <stdint.h>
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/*
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* pika_hal is a C Device HAL lib for PikaScript modules.
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* the API of pika_hal is similar to the posix file API.
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*/
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typedef enum pika_dev_type {
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#define PIKA_HAL_TABLE_DEV_TYPE
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#include "pika_hal_table.h"
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_PIKA_DEV_TYPE_MAX,
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} pika_dev_type;
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typedef enum pika_ioctl_cmd {
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PIKA_IOCTL_ENABLE,
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PIKA_IOCTL_DISABLE,
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PIKA_IOCTL_CONFIG,
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_PIKA_IOCTL_MAX,
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} pika_ioctl_cmd;
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typedef enum pika_gpio_dir {
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PIKA_GPIO_DIR_IN,
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PIKA_GPIO_DIR_OUT,
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_PIKA_GPIO_DIR_MAX,
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} pika_gpio_dir;
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typedef enum pika_gpio_pull {
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PIKA_GPIO_PULL_NONE,
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PIKA_GPIO_PULL_UP,
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PIKA_GPIO_PULL_DOWN,
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_PIKA_GPIO_PULL_MAX,
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} pika_gpio_pull;
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typedef struct pika_GPIO_config {
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pika_gpio_dir dir;
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pika_gpio_pull pull;
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} pika_GPIO_config;
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typedef struct pika_UART_config {
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} pika_UART_config;
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typedef struct pika_I2C_config {
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} pika_I2C_config;
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typedef struct pika_SPI_config {
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} pika_SPI_config;
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typedef struct pika_ADC_config {
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} pika_ADC_config;
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typedef struct pika_PWM_config {
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} pika_PWM_config;
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typedef struct pika_dev {
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pika_dev_type type;
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void* user_data;
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} pika_dev;
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typedef struct pika_dev_impl {
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int (*open)(pika_dev* dev, char* name);
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int (*close)(pika_dev* dev);
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int (*read)(pika_dev* dev, void* buf, size_t count);
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int (*write)(pika_dev* dev, void* buf, size_t count);
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int (*ioctl)(pika_dev* dev, pika_ioctl_cmd cmd, uintptr_t cfg);
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} pika_dev_impl;
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/* posix file like API */
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pika_dev* pika_hal_open(pika_dev_type dev_type, char* name);
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int pika_hal_close(pika_dev* dev);
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int pika_hal_read(pika_dev* dev, void* buf, size_t len);
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int pika_hal_write(pika_dev* dev, void* buf, size_t len);
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int pika_hal_ioctl(pika_dev* dev, pika_ioctl_cmd cmd, ...);
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#endif
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