Header-Datei für das allgemeine CAN Interface. More...
#include <avr/pgmspace.h>#include <stdint.h>#include <stdbool.h>#include "config.h"
Include dependency graph for can.h:
Go to the source code of this file.
Classes | |
| struct | can_error_register_t |
| Inhalt der Fehler-Register. More... | |
| struct | can_filter_t |
| Datenstruktur zur Aufnahme von CAN-Filtern. More... | |
| struct | can_t |
| Datenstruktur zum Aufnehmen von CAN Nachrichten. More... | |
Bitdefinitionen | |
| #define | CAN_ALL_FILTER 0xff |
| Symbol um auf alle Filter zuzugreifen. More... | |
| enum | can_bitrate_t { BITRATE_10_KBPS = 0, BITRATE_20_KBPS = 1, BITRATE_50_KBPS = 2, BITRATE_100_KBPS = 3, BITRATE_125_KBPS = 4, BITRATE_250_KBPS = 5, BITRATE_500_KBPS = 6, BITRATE_1_MBPS = 7, BITRATE_10_KBPS = 0, BITRATE_20_KBPS = 1, BITRATE_50_KBPS = 2, BITRATE_100_KBPS = 3, BITRATE_125_KBPS = 4, BITRATE_250_KBPS = 5, BITRATE_500_KBPS = 6, BITRATE_1_MBPS = 7 } |
| Bitraten fuer den CAN-Bus. More... | |
| #define | ONLY_NON_RTR 2 |
| #define | ONLY_RTR 3 |
| #define | SUPPORT_EXTENDED_CANID 1 |
| Unterstuetzung fuer Extended-IDs aktivieren. More... | |
| #define | SUPPORT_TIMESTAMPS 0 |
| Unterstützung für Zeitstempel aktivieren. More... | |
Bits des Filters fuer den MCP2515 umformatieren | |
prog_uint8_t can_filter[] =
{
MCP2515_FILTER_EXTENDED(0), // Filter 0
MCP2515_FILTER_EXTENDED(0), // Filter 1
MCP2515_FILTER_EXTENDED(0), // Filter 2
MCP2515_FILTER_EXTENDED(0), // Filter 3
MCP2515_FILTER_EXTENDED(0), // Filter 4
MCP2515_FILTER_EXTENDED(0), // Filter 5
MCP2515_FILTER_EXTENDED(0), // Maske 0
MCP2515_FILTER_EXTENDED(0), // Maske 1
};
| |
| bool | can_check_bus_off (void) |
| bool | can_check_free_buffer (void) |
| Ueberprueft ob ein Puffer zum Versenden einer Nachricht frei ist. More... | |
| bool | can_check_message (void) |
| Ueberpruefen ob neue CAN Nachrichten vorhanden sind. More... | |
| bool | can_disable_filter (uint8_t number) |
| Filter deaktivieren. More... | |
| uint8_t | can_get_filter (uint8_t number, can_filter_t *filter) |
| uint8_t | can_get_message (can_t *msg) |
| Liest eine Nachricht aus den Empfangspuffern des CAN Controllers. More... | |
| bool | can_init (can_bitrate_t bitrate) |
| Initialisierung des CAN Interfaces. More... | |
| enum | can_mode_t { LISTEN_ONLY_MODE, LOOPBACK_MODE, NORMAL_MODE, SLEEP_MODE, LISTEN_ONLY_MODE, LOOPBACK_MODE, NORMAL_MODE, SLEEP_MODE } |
| Modus des CAN Interfaces. More... | |
| can_error_register_t | can_read_error_register (void) |
| Reads the Contents of the CAN Error Counter. More... | |
| void | can_reset_bus_off (void) |
| uint8_t | can_send_message (const can_t *msg) |
| Verschickt eine Nachricht über den CAN Bus. More... | |
| bool | can_set_filter (uint8_t number, const can_filter_t *filter) |
| Setzen eines Filters. More... | |
| void | can_set_mode (can_mode_t mode) |
| Setzt den Operations-Modus. More... | |
| void | can_sleep (void) |
| Put CAN interface to sleep and wake up. More... | |
| void | can_static_filter (const uint8_t *filter_array) |
| Setzt die Werte für alle Filter. More... | |
| void | can_wakeup (void) |
| #define | MCP2515_FILTER(id) |
| #define | MCP2515_FILTER_EXTENDED(id) |
Detailed Description
Header-Datei für das allgemeine CAN Interface.
Definition in file can.h.
Macro Definition Documentation
◆ MCP2515_FILTER
| #define MCP2515_FILTER | ( | id | ) |
◆ MCP2515_FILTER_EXTENDED
| #define MCP2515_FILTER_EXTENDED | ( | id | ) |
◆ ONLY_NON_RTR
◆ ONLY_RTR
Function Documentation
◆ can_wakeup()
| void can_wakeup | ( | void | ) |