LIN service for SAM.
This file contains basic functions for the SAM USART, with support for all modes, settings and clock speeds.
Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.
#include <stdio.h>#include <string.h>#include "compiler.h"#include "pdc.h"#include "usart.h"#include "lin.h"Macros | |
| #define | USART_LIN_CLASSIC_CHECKSUM 1 |
| Classic checksum used in the LIN 1.x. More... | |
| #define | USART_LIN_DIAGNOSTIC_FRAME_ID 60 |
| The frame identifier used to carry diagnostic data. More... | |
| #define | USART_LIN_DLM_DLC 0 |
| The response data length is defined by the field DLC of DLM. More... | |
| #define | USART_LIN_DLM_IDCHR 1 |
| The response data length is defined by the bits 5 and 6 of the identifier. More... | |
| #define | USART_LIN_ENHANCED_CHECKSUM 0 |
| Enhanced checksum used in the LIN 2.x. More... | |
| #define | USART_LIN_ERROR_OFFSET 25 |
| LIN error offset. More... | |
Functions | |
| static void | lin_get_response (uint8_t uc_node, uint8_t *p_data) |
| This function reads (empties) the reception data buffer when a LIN response had been received. More... | |
| uint8_t | lin_init (Usart *usart_node, bool b_master, uint8_t uc_node, uint16_t us_rate, uint32_t ul_mck) |
| This function initializes the LIN controller. More... | |
| uint8_t | lin_register_descriptor (uint8_t uc_node, uint8_t uc_frame_id, st_lin_message *lin_desc) |
| This function initializes the LIN message descriptor. More... | |
| static uint8_t | lin_rx_response (uint8_t uc_node, uint8_t uc_len) |
| This function commands the reception of a LIN response, SLAVE task of MASTER or SLAVE node. More... | |
| uint8_t | lin_send_cmd (uint8_t uc_node, uint8_t uc_id, uint8_t uc_len) |
| This function commands the sending of the LIN header, MASTER task of MASTER node. More... | |
| static uint8_t | lin_tx_header_and_response (uint8_t uc_node, uint8_t uc_handle, uint8_t uc_len) |
| This function commands the sending of a LIN header and response, MASTER task only. More... | |
| static uint8_t | lin_tx_response (uint8_t uc_node, uint8_t *p_data, uint8_t uc_len) |
| This function commands the sending of a LIN response, SLAVE task of MASTER or SLAVE node. More... | |
| void | usart_lin_handler (uint8_t uc_node) |
| USART LIN interrupt handler: manage ID reception. More... | |
Variables | |
| Pdc * | g_p_pdc [LIN_NODE_NUM] |
| Pointer to PDC register base. More... | |
| pdc_packet_t | g_st_packet [LIN_NODE_NUM] |
| PDC data packet. More... | |
| st_lin_message | lin_descript_list_node [LIN_NODE_NUM][NUMBER_OF_LIN_FRAMES_NODE] |
| uint16_t | lin_error_number_node [LIN_NODE_NUM] = {0} |
| uint16_t | lin_last_errors_node [LIN_NODE_NUM][LIN_LAST_ERR_LENGHT] |
| uint8_t | lin_rx_buffer_node [LIN_NODE_NUM][LIN_BUFF_SIZE] |
| uint8_t | lin_tx_buffer_node [LIN_NODE_NUM][LIN_BUFF_SIZE] |
| Usart * | usart_lin_node [LIN_NODE_NUM] |
| Instance of the USART IP used. More... | |
1.8.5