hpm_uart_lin.h

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/*
 * Copyright (c) 2023 HPMicro
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 */
 
#ifndef UART_LIN_H
#define UART_LIN_H
 
#include "hpm_clock_drv.h"
#include "hpm_gpio_drv.h"
#include "hpm_uart_drv.h"
 
typedef struct uart_lin_pin {
    GPIO_Type *ptr;
    uint32_t baudrate;
    void (*config_uart_pin)(UART_Type *ptr);
    void (*config_uart_pin_as_gpio)(UART_Type *ptr);
    void (*delay_us)(uint32_t us);
    uint8_t tx_port;
    uint8_t tx_pin;
} uart_lin_master_pin_ctrl_t;
 
typedef struct {
    uint8_t *buff;
    uint8_t length;
    bool enhance_checksum;
} uart_lin_data_t;
 
typedef enum {
    uart_lin_success = 0,
    uart_lin_fail    = 1,
    uart_lin_invalid_argument = 2,
    uart_lin_timeout = 3,
    uart_lin_id_parity_error = 4,
    uart_lin_checksum_error = 5,
    uart_lin_frame_error = 6, /*<! data count error */
} uart_lin_stat_t;
 
typedef struct {
    UART_Type *ptr;
    uint8_t id; /* master use id */
    uart_lin_data_t data;
    uart_lin_master_pin_ctrl_t pin_ctrl;
} uart_lin_master_config_t;
 
typedef struct {
    UART_Type *ptr;
    uint8_t pid; /* slave use pid */
    uart_lin_data_t data;
} uart_lin_slave_config_t;
 
#ifdef __cplusplus
extern "C" {
#endif
 
uint8_t hpm_uart_lin_calculate_protected_id(uint8_t id);
 
uart_lin_stat_t hpm_uart_lin_master_send_frame(uart_lin_master_config_t *config);
 
uart_lin_stat_t hpm_uart_lin_master_receive_frame(uart_lin_master_config_t *config);
 
void hpm_uart_lin_master_send_head(uart_lin_master_config_t *config);
 
void hpm_uart_lin_master_send_data(uart_lin_master_config_t *config);
 
uart_lin_stat_t hpm_uart_lin_master_receive_data(uart_lin_master_config_t *config);
 
void hpm_uart_lin_slave_send_data(uart_lin_slave_config_t *config);
 
uart_lin_stat_t hpm_uart_lin_slave_receive_data(uart_lin_slave_config_t *config);
 
void hpm_uart_lin_send_wakeup(UART_Type *ptr, uart_lin_master_pin_ctrl_t *pin_ctrl);
 
#ifdef __cplusplus
}
#endif
 
#endif /* UART_LIN_H */