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https://gitee.com/Lyon1998/pikapython.git
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128 lines
3.0 KiB
C
128 lines
3.0 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 {
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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_HAL_DEV_TYPE;
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typedef enum {
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PIKA_HAL_IOCTL_ENABLE,
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PIKA_HAL_IOCTL_DISABLE,
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PIKA_HAL_IOCTL_CONFIG,
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_PIKA_HAL_IOCTL_MAX,
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} PIKA_HAL_IOCTL_CMD;
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typedef enum {
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PIKA_HAL_GPIO_DIR_IN,
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PIKA_HAL_GPIO_DIR_OUT,
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_PIKA_HAL_GPIO_DIR_UNUSED = 0,
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_PIKA_HAL_GPIO_DIR_MAX,
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} PIKA_HAL_GPIO_DIR;
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typedef enum {
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PIKA_HAL_GPIO_PULL_NONE,
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PIKA_HAL_GPIO_PULL_UP,
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PIKA_HAL_GPIO_PULL_DOWN,
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_PIKA_HAL_GPIO_PULL_UNUSED = 0,
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_PIKA_HAL_GPIO_PULL_MAX,
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} PIKA_HAL_GPIO_PULL;
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typedef struct {
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PIKA_HAL_GPIO_DIR dir;
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PIKA_HAL_GPIO_PULL pull;
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} pika_hal_GPIO_config;
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typedef struct {
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} pika_hal_UART_config;
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typedef struct {
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} pika_hal_I2C_config;
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typedef enum {
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PIKA_HAL_SPI_LSB,
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PIKA_HAL_SPI_MSB,
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_PIKA_HAL_SPI_LSB_OR_MSB_UNUSED = 0,
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_PIKA_HAL_SPI_LSB_OR_MSB_MAX,
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} PIKA_HAL_SPI_LSB_OR_MSB;
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typedef enum {
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PIKA_HAL_SPI_MASTER,
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PIKA_HAL_SPI_SLAVE,
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_PIKA_HAL_SPI_MASTER_OR_SLAVE_UNUSED = 0,
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_PIKA_HAL_SPI_MASTER_OR_SLAVE_MAX,
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} PIKA_HAL_SPI_MASTER_OR_SLAVE;
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typedef enum {
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PIKA_HAL_SPI_MODE_0,
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PIKA_HAL_SPI_MODE_1,
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PIKA_HAL_SPI_MODE_2,
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PIKA_HAL_SPI_MODE_3,
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_PIKA_HAL_SPI_MODE_UNUSED = 0,
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_PIKA_HAL_SPI_MODE_MAX,
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} PIKA_HAL_SPI_MODE;
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typedef enum {
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PIKA_HAL_SPI_DATA_WIDTH_8BIT,
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PIKA_HAL_SPI_DATA_WIDTH_16BIT,
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_PIKA_HAL_SPI_DATA_UNUSED = 0,
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_PIKA_HAL_SPI_DATA_WIDTH_MAX,
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} PIKA_HAL_SPI_DATA_WIDTH;
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typedef enum {
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PIKA_HAL_SPI_SPEED_LOW,
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PIKA_HAL_SPI_SPEED_MEDIUM,
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PIKA_HAL_SPI_SPEED_HIGH,
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PIKA_HAL_SPI_SPEED_VERY_HIGH,
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_PIKA_HAL_SPI_SPEED_UNUSED = 0,
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_PIKA_HAL_SPI_SPEED_MAX,
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} PIKA_HAL_SPI_SPEED;
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typedef struct {
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PIKA_HAL_SPI_LSB_OR_MSB lsb_or_msb;
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PIKA_HAL_SPI_MASTER_OR_SLAVE master_or_slave;
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PIKA_HAL_SPI_MODE mode;
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PIKA_HAL_SPI_DATA_WIDTH data_width;
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PIKA_HAL_SPI_SPEED speed;
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} pika_hal_SPI_config;
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typedef struct {
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} pika_hal_ADC_config;
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typedef struct {
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} pika_hal_PWM_config;
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typedef struct {
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PIKA_HAL_DEV_TYPE type;
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void* platform_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_HAL_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_HAL_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_HAL_IOCTL_CMD cmd, ...);
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/* platform API */
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#define PIKA_HAL_TABLE_PLATFORM_API
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#include "pika_hal_table.h"
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#endif
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