SAM Control Area Network (CAN) Low Level Driver.
Copyright (c) 2015-2018 Microchip Technology Inc. and its subsidiaries.
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| static void | _can_enable_peripheral_clock (struct can_module *const module_inst) |
| static void | _can_message_memory_init (Can *hw) |
| static void | _can_set_configuration (Can *hw, struct can_config *config) |
| void | can_disable_bus_monitor_mode (struct can_module *const module_inst) |
| Disable CAN bus monitor mode. More... | |
| void | can_disable_fd_mode (struct can_module *const module_inst) |
| Disable CAN FD mode. More... | |
| void | can_disable_restricted_operation_mode (struct can_module *const module_inst) |
| Disable CAN restricted operation mode. More... | |
| void | can_disable_sleep_mode (struct can_module *const module_inst) |
| Disable CAN sleep mode. More... | |
| void | can_disable_test_mode (struct can_module *const module_inst) |
| Disable CAN test mode. More... | |
| void | can_enable_bus_monitor_mode (struct can_module *const module_inst) |
| Enable CAN bus monitor mode. More... | |
| void | can_enable_fd_mode (struct can_module *const module_inst) |
| Enable CAN FD mode. More... | |
| void | can_enable_restricted_operation_mode (struct can_module *const module_inst) |
| Enable CAN restricted operation mode. More... | |
| void | can_enable_sleep_mode (struct can_module *const module_inst) |
| Enable CAN sleep mode. More... | |
| void | can_enable_test_mode (struct can_module *const module_inst) |
| Enable CAN test mode. More... | |
| void | can_fd_set_baudrate (Can *hw, uint32_t baudrate) |
| Set CAN_FD baudrate. More... | |
| enum status_code | can_get_rx_buffer_element (struct can_module *const module_inst, struct can_rx_element_buffer *rx_element, uint32_t index) |
| Get the pointer to the receive buffer element. More... | |
| enum status_code | can_get_rx_fifo_0_element (struct can_module *const module_inst, struct can_rx_element_fifo_0 *rx_element, uint32_t index) |
| Get the pointer to the receive FIFO 0 element. More... | |
| enum status_code | can_get_rx_fifo_1_element (struct can_module *const module_inst, struct can_rx_element_fifo_1 *rx_element, uint32_t index) |
| Get the pointer to the receive FIFO 1 element. More... | |
| enum status_code | can_get_tx_event_fifo_element (struct can_module *const module_inst, struct can_tx_event_element *tx_event_element, uint32_t index) |
| Get the pointer to the transfer event FIFO element. More... | |
| void | can_init (struct can_module *const module_inst, Can *hw, struct can_config *config) |
| Initializes CAN module. More... | |
| void | can_set_baudrate (Can *hw, uint32_t baudrate) |
| Set CAN baudrate. More... | |
| enum status_code | can_set_rx_extended_filter (struct can_module *const module_inst, struct can_extended_message_filter_element *et_filter, uint32_t index) |
| Set the extended message filter. More... | |
| enum status_code | can_set_rx_standard_filter (struct can_module *const module_inst, struct can_standard_message_filter_element *sd_filter, uint32_t index) |
| Set the standard message filter. More... | |
| enum status_code | can_set_tx_buffer_element (struct can_module *const module_inst, struct can_tx_element *tx_element, uint32_t index) |
| Set the transfer buffer element. More... | |
| void | can_start (struct can_module *const module_inst) |
| Start CAN module communication. More... | |
| void | can_stop (struct can_module *const module_inst) |
| Stop CAN module communication. More... | |
Variables | |
| static struct can_rx_element_buffer | can0_rx_buffer [CONF_CAN0_RX_BUFFER_NUM] |
| static struct can_extended_message_filter_element | can0_rx_extended_filter [CONF_CAN0_RX_EXTENDED_ID_FILTER_NUM] |
| static struct can_rx_element_fifo_0 | can0_rx_fifo_0 [CONF_CAN0_RX_FIFO_0_NUM] |
| static struct can_rx_element_fifo_1 | can0_rx_fifo_1 [CONF_CAN0_RX_FIFO_1_NUM] |
| static struct can_standard_message_filter_element | can0_rx_standard_filter [CONF_CAN0_RX_STANDARD_ID_FILTER_NUM] |
| static struct can_tx_element | can0_tx_buffer [CONF_CAN0_TX_BUFFER_NUM+CONF_CAN0_TX_FIFO_QUEUE_NUM] |
| static struct can_tx_event_element | can0_tx_event_fifo [CONF_CAN0_TX_EVENT_FIFO] |
| static struct can_rx_element_buffer | can1_rx_buffer [CONF_CAN1_RX_BUFFER_NUM] |
| static struct can_extended_message_filter_element | can1_rx_extended_filter [CONF_CAN1_RX_EXTENDED_ID_FILTER_NUM] |
| static struct can_rx_element_fifo_0 | can1_rx_fifo_0 [CONF_CAN1_RX_FIFO_0_NUM] |
| static struct can_rx_element_fifo_1 | can1_rx_fifo_1 [CONF_CAN1_RX_FIFO_1_NUM] |
| static struct can_standard_message_filter_element | can1_rx_standard_filter [CONF_CAN1_RX_STANDARD_ID_FILTER_NUM] |
| static struct can_tx_element | can1_tx_buffer [CONF_CAN1_TX_BUFFER_NUM+CONF_CAN1_TX_FIFO_QUEUE_NUM] |
| static struct can_tx_event_element | can1_tx_event_fifo [CONF_CAN1_TX_EVENT_FIFO] |
| struct system_gclk_chan_config | gclk_chan_conf |
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References system_ahb_clock_set_mask().
Referenced by can_disable_sleep_mode(), and can_init().
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The data size in conf_can.h should be 8/12/16/20/24/32/48/64, The corresponding setting value in register is 0/1//2/3/4/5/6/7. To simplify the calculation, seperate to two group 8/12/16/20/24 which increased with 4 and 32/48/64 which increased with 16.
References can0_rx_buffer, can0_rx_extended_filter, can0_rx_fifo_0, can0_rx_fifo_1, can0_rx_standard_filter, can0_tx_buffer, can0_tx_event_fifo, can1_rx_buffer, can1_rx_extended_filter, can1_rx_fifo_0, can1_rx_fifo_1, can1_rx_standard_filter, can1_tx_buffer, and can1_tx_event_fifo.
Referenced by can_init().
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References can_config::automatic_retransmission, can_config::clock_stop_acknowledge, can_config::clock_stop_request, can_config::delay_compensation_filter_window_length, can_config::delay_compensation_offset, can_config::edge_filtering, can_config::extended_id_mask, can_config::nonmatching_frames_action_extended, can_config::nonmatching_frames_action_standard, can_config::protocol_exception_handling, can_config::remote_frames_extended_reject, can_config::remote_frames_standard_reject, can_config::run_in_standby, can_config::rx_fifo_0_overwrite, can_config::rx_fifo_0_watermark, can_config::rx_fifo_1_overwrite, can_config::rx_fifo_1_watermark, can_config::tdc_enable, can_config::timeout_enable, can_config::timeout_mode, can_config::timeout_period, can_config::timestamp_prescaler, can_config::transmit_pause, can_config::tx_event_fifo_watermark, can_config::tx_queue_mode, and can_config::watchdog_configuration.
Referenced by can_init().
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Referenced by _can_message_memory_init(), and can_get_rx_buffer_element().
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Referenced by _can_message_memory_init(), and can_set_rx_extended_filter().
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Referenced by _can_message_memory_init(), and can_get_rx_fifo_0_element().
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Referenced by _can_message_memory_init(), and can_get_rx_fifo_1_element().
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Referenced by _can_message_memory_init(), and can_set_rx_standard_filter().
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Referenced by _can_message_memory_init(), and can_set_tx_buffer_element().
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Referenced by _can_message_memory_init(), and can_get_tx_event_fifo_element().
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Referenced by _can_message_memory_init(), and can_get_rx_buffer_element().
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Referenced by _can_message_memory_init(), and can_set_rx_extended_filter().
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Referenced by _can_message_memory_init(), and can_get_rx_fifo_0_element().
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Referenced by _can_message_memory_init(), and can_get_rx_fifo_1_element().
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Referenced by _can_message_memory_init(), and can_set_rx_standard_filter().
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Referenced by _can_message_memory_init(), and can_set_tx_buffer_element().
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Referenced by _can_message_memory_init(), and can_get_tx_event_fifo_element().
| struct system_gclk_chan_config gclk_chan_conf |
Referenced by can_disable_sleep_mode(), and can_init().
1.8.5