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LMS 2012
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LMS 2012
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Go to the source code of this file.
Functions | |
| short | pru_can_enable (void) |
| pru_can_enable() Configure and Enable PRU0 and PRU1 of OMAP L138. More... | |
| short | pru_can_disable (void) |
| pru_can_disable() Disable PRU0 and PRU1 of OMAP L138. More... | |
| short | pru_can_run (u8 u8prunum) |
| pru_can_run () Allows the PRU0 or PRU1 of OMAP L138 to execute the code loaded into its Instruction RAM More... | |
| short | pru_can_psc_enable (void) |
| pru_can_psc_enable () Enable state transition of PRU More... | |
| short | pru_can_psc_disable (void) |
| pru_can_psc_disable () Disable state transition of PRU More... | |
| short | pru_can_ram_write_data (u32 u32offset, u32 *pu32datatowrite, u16 u16wordstowrite) |
| pru_can_ram_write_data() Download the data into data RAM of PRU0 or PRU1 of OMAP L138. More... | |
| short | pru_can_ram_read_data (u32 u32offset, u32 *pu32datatoread, u16 u16wordstoread) |
| pru_can_ram_read_data() Download the data into data RAM of PRU0 or PRU1 of OMAP L138. More... | |
| short | pru_can_download_firmware (pru_can_firmware_structure *pstrfirmwaredata, u8 u8prunum) |
| pru_can_download_firmware() Download the firmware into PRU0 and PRU1 of OMAP L138. More... | |
| short | pru_can_set_brp (u16 u16bitrateprescaler) |
| pru_can_set_brp() Updates the BRP register of PRU0 and PRU1 of OMAP L138. More... | |
| short | pru_can_set_bit_timing (can_bit_timing_consts *pstrcanbittiming) |
| pru_can_set_bit_timing() Updates the timing register of PRU0 and PRU1 of OMAP L138. More... | |
| short | pru_can_calculatetiming (u32 pru_freq, u32 bit_rate) |
| pru_can_calculatetiming() Updates the timing values of PRU0 and PRU1 of OMAP L138. More... | |
| short | pru_can_write_data_to_mailbox (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_write_data_to_mailbox() Updates the transmit mailboxes of PRU1 of OMAP L138. More... | |
| short | pru_can_get_data_from_mailbox (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_get_data_from_mailbox() Receive data from the receive mailboxes of PRU0 of OMAP L138. More... | |
| short | pru_can_receive_id_map (u32 u32nodeid, can_mailbox_number ecanmailboxno) |
| pru_can_receive_id_map() Receive mailboxes ID Mapping of PRU0 of OMAP L138. More... | |
| short | pru_can_get_interrupt_status (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_get_interrupt_status() Gets the interrupts status register value More... | |
| short | pru_can_get_global_status (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_get_global_status() Gets the globalstatus register value More... | |
| short | pru_can_get_mailbox_status (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_get_mailbox_status() Gets the mailbox status register value More... | |
| short | pru_can_transfer_mode_set (bool btransfer_flag, can_transfer_direction ecan_trx) |
| short | pru_can_configuration_mode_set (bool bconfigmodeenabledisableflag) |
| pru_can_configuration_mode_set() Sets the timing value for data transfer More... | |
| short | pru_can_emulation_init (arm_pru_iomap *pstr_pru_iomap, u32 u32pruclock) |
| pru_can_emulation_init() Initializes the Can Emulation Parameters More... | |
| short | pru_can_emulation_open (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_emulation_open() Opens the can emulation for application to use More... | |
| short | pru_can_emulation_close (can_emulation_app_hndl *pstrcanemuapphndl) |
| pru_can_emulation_close() Closes the can emulation for other applications to use More... | |
| short | pru_can_emulation_exit (void) |
| pru_can_emulation_exit() Diables all the PRUs More... | |
| short | pru_can_emulation_sreset (void) |
| short | pru_can_transfer (u8 u8mailboxnumber, u8 u8prunumber) |
| short | pru_can_start_or_abort_transmission (bool bcantransmitabortflag) |
| short | pru_can_check_init_status (void) |
| short | pru_can_mask_ints (u32 int_mask) |
| int | pru_can_get_error_cnt (u8 u8prunumber) |
| int | pru_can_intc_status_get (void) |
pru_can_calculatetiming() Updates the timing values of PRU0 and PRU1 of OMAP L138.
End of pru_can_set_bit_timing() ******************************************************************************************************** This API will be called by the Application to updtae the timing values of PRU0 and PRU1
| u32canbittiming | Bit timing values for can bus |
| u32bitrateprescaler | Bit Rate Prescaler for can bus |
Definition at line 498 of file pru_can_emulation_api.c.
| short pru_can_check_init_status | ( | void | ) |
Definition at line 1810 of file pru_can_emulation_api.c.
| short pru_can_configuration_mode_set | ( | bool | bconfigmodeenabledisableflag | ) |
pru_can_configuration_mode_set() Sets the timing value for data transfer
This API will be called by the Application to set timing valus for data transfer
| bconfigmodeenabledisableflag | set the timing parameters |
Definition at line 957 of file pru_can_emulation_api.c.
| short pru_can_disable | ( | void | ) |
pru_can_disable() Disable PRU0 and PRU1 of OMAP L138.
This API will be called by the Application to disable PRU0 and PRU1
| None |
Definition at line 92 of file pru_can_emulation_api.c.
| short pru_can_download_firmware | ( | pru_can_firmware_structure * | pstrfirmwaredata, |
| u8 | u8prunum | ||
| ) |
pru_can_download_firmware() Download the firmware into PRU0 and PRU1 of OMAP L138.
This API will be called by the Application to download the code into instruction RAM of PRU0 and PRU1
| pstrfirmwaredata | Pointer to structure holding firmware data |
| u8prunum | The PRU number to download firmware |
Check for valid input parameter
Choose the PRU to be loaded with instructions
Copy PRU code to its instruction RAM
Definition at line 378 of file pru_can_emulation_api.c.
| short pru_can_emulation_close | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_emulation_close() Closes the can emulation for other applications to use
End of pru_can_emulation_open() ******************************************************************************************************** This API will be called by the Application to Close the can emulation for other applications to use
| pstrcanemuapphndl | Pointer to application handler structure |
Definition at line 1505 of file pru_can_emulation_api.c.
| short pru_can_emulation_exit | ( | void | ) |
pru_can_emulation_exit() Diables all the PRUs
End of pru_can_emulation_close() ******************************************************************************************************** This API will be called by the Application to disable all PRUs
| None |
Definition at line 1543 of file pru_can_emulation_api.c.
| short pru_can_emulation_init | ( | arm_pru_iomap * | pstr_pru_iomap, |
| u32 | u32pruclock | ||
| ) |
pru_can_emulation_init() Initializes the Can Emulation Parameters
End of pru_can_configuration_mode_set() ******************************************************************************************************** This API will be called by the Application to Initialize the Can Emulation Parameters
| pstr_pru_iomap | Pointer to structure holding the io map addresses |
| u32pruclock | PRU Clock value |
Definition at line 992 of file pru_can_emulation_api.c.
| short pru_can_emulation_open | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_emulation_open() Opens the can emulation for application to use
End of pru_can_emulation_init() ******************************************************************************************************** This API will be called by the Application to Open the can emulation for application to use
| pstrcanemuapphndl | Pointer to application handler structure |
Definition at line 1469 of file pru_can_emulation_api.c.
| short pru_can_emulation_sreset | ( | void | ) |
End of pru_can_emulation_exit()
Definition at line 1557 of file pru_can_emulation_api.c.
| short pru_can_enable | ( | void | ) |
pru_can_enable() Configure and Enable PRU0 and PRU1 of OMAP L138.
This API will be called by the Application to Configure and Enable PRU0 and PRU1
| None |
Definition at line 48 of file pru_can_emulation_api.c.
| short pru_can_get_data_from_mailbox | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_get_data_from_mailbox() Receive data from the receive mailboxes of PRU0 of OMAP L138.
End of pru_can_write_data_to_mailbox() ******************************************************************************************************** This API will be called by the Application to get data from the receive mailboxes of PRU0
| pu16canframedata | Can mailbox data buffer |
| u8mailboxnum | Mailbox to be updated |
Definition at line 605 of file pru_can_emulation_api.c.
| int pru_can_get_error_cnt | ( | u8 | u8prunumber | ) |
Definition at line 1818 of file pru_can_emulation_api.c.
| short pru_can_get_global_status | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_get_global_status() Gets the globalstatus register value
End of pru_can_get_interrupt_status() ******************************************************************************************************** This API will be called by the Application to get the global status register value
| pu32globalstatus | Pointer to a var where global status register value has to be written |
| u8prunumber | PRU number for which GlobalStatusReg has to be read |
Definition at line 734 of file pru_can_emulation_api.c.
| short pru_can_get_interrupt_status | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_get_interrupt_status() Gets the interrupts status register value
End of pru_can_receive_id_map() ******************************************************************************************************** This API will be called by the Application to get the interrupts status register value
| pu32intrstatus | Pointer to a var where interrupt status register value has to be written |
| u8prunumber | PRU number for which IntStatusReg has to be read |
Definition at line 690 of file pru_can_emulation_api.c.
| short pru_can_get_mailbox_status | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_get_mailbox_status() Gets the mailbox status register value
End of pru_can_get_global_status() ******************************************************************************************************** This API will be called by the Application to get the mailbox status register value
| pu32globalstatus | Pointer to a var where global status register value has to be written |
| u8prunumber | PRU number for which GlobalStatusReg has to be read |
Definition at line 781 of file pru_can_emulation_api.c.
| int pru_can_intc_status_get | ( | void | ) |
Definition at line 1822 of file pru_can_emulation_api.c.
| short pru_can_mask_ints | ( | u32 | int_mask | ) |
Definition at line 1814 of file pru_can_emulation_api.c.
| short pru_can_psc_disable | ( | void | ) |
pru_can_psc_disable () Disable state transition of PRU
This API will be called by the Application for disabling state transition of PRU
| None |
Wait for any outstanding transition to complete
If the process is timed out return failure
If already in that state, just return
Perform transition
Wait for transition to complete
If the process is timed out return failure
Wait and verify the state
If the process is timed out return failure
Definition at line 240 of file pru_can_emulation_api.c.
| short pru_can_psc_enable | ( | void | ) |
pru_can_psc_enable () Enable state transition of PRU
This API will be called by the Application for state transition of PRU
| None |
Wait for any outstanding transition to complete
If the process is timed out return failure
If already in that state, just return
Perform transition
Wait for transition to complete
If the process is timed out return failure
Wait and verify the state
If the process is timed out return failure
Definition at line 164 of file pru_can_emulation_api.c.
pru_can_ram_read_data() Download the data into data RAM of PRU0 or PRU1 of OMAP L138.
This API will be called by the Application to read the data from data RAM of PRU0 or PRU1
| u32offset | Offset of the data RAM where the data has to be read |
| pu32datatoread | Pointer to a buffer that would hold the data to be read from the RAM |
| u16wordstoread | Number of words to be read from RAM |
Definition at line 349 of file pru_can_emulation_api.c.
pru_can_ram_write_data() Download the data into data RAM of PRU0 or PRU1 of OMAP L138.
This API will be called by the Application to download the data into data RAM of PRU0 or PRU1
| u32offset | Offset of the data RAM where the data has to be written |
| pu32datatowrite | Pointer to a buffer that holds the data to be written into RAM |
| u16wordstowrite | Number of words to be written into that RAM |
Definition at line 320 of file pru_can_emulation_api.c.
| short pru_can_receive_id_map | ( | u32 | u32nodeid, |
| can_mailbox_number | ecanmailboxno | ||
| ) |
pru_can_receive_id_map() Receive mailboxes ID Mapping of PRU0 of OMAP L138.
End of pru_can_get_data_from_mailbox() ******************************************************************************************************** This API will be called by the Application to map the IDs to receive mailboxes of PRU0
| u32nodeid | Can node ID |
| ecanmailboxno | Mailbox to be mapped |
Definition at line 668 of file pru_can_emulation_api.c.
| short pru_can_run | ( | u8 | u8prunum | ) |
pru_can_run () Allows the PRU0 or PRU1 of OMAP L138 to execute the code loaded into its Instruction RAM
This API will be called by the Application to execute the instruction in PRU
| u8prunum | The PRU number to initiate execution |
Definition at line 131 of file pru_can_emulation_api.c.
| short pru_can_set_bit_timing | ( | can_bit_timing_consts * | pstrcanbittiming | ) |
pru_can_set_bit_timing() Updates the timing register of PRU0 and PRU1 of OMAP L138.
End of pru_can_set_brp() ******************************************************************************************************** This API will be called by the Application to updtae the timing register of PRU0 and PRU1
| pstrcanbittiming | Pointer to structure holding the bit timing values for can bus |
Definition at line 455 of file pru_can_emulation_api.c.
| short pru_can_set_brp | ( | u16 | u16bitrateprescaler | ) |
pru_can_set_brp() Updates the BRP register of PRU0 and PRU1 of OMAP L138.
This API will be called by the Application to updtae the BRP register of PRU0 and PRU1
| u16bitrateprescaler | The can bus bitrate prescaler value be set |
Definition at line 425 of file pru_can_emulation_api.c.
| short pru_can_start_or_abort_transmission | ( | bool | bcantransmitabortflag | ) |
Definition at line 1789 of file pru_can_emulation_api.c.
Definition at line 1561 of file pru_can_emulation_api.c.
| short pru_can_transfer_mode_set | ( | bool | btransfer_flag, |
| can_transfer_direction | ecan_trx | ||
| ) |
End of pru_can_get_mailbox_status()
Definition at line 905 of file pru_can_emulation_api.c.
| short pru_can_write_data_to_mailbox | ( | can_emulation_app_hndl * | pstrcanemuapphndl | ) |
pru_can_write_data_to_mailbox() Updates the transmit mailboxes of PRU1 of OMAP L138.
End of pru_can_calculatetiming() ******************************************************************************************************** This API will be called by the Application to updtae the transmit mailboxes of PRU1
| pu16canframedata | Can mailbox data buffer |
| u8mailboxnum | Mailbox to be updated |
Definition at line 545 of file pru_can_emulation_api.c.
| can_emulation_drv_inst gstrcanemulationinst[ecanmaxinst] |
Definition at line 30 of file pru_can_emulation_api.c.
| u32 gu32canpruiomapaddress |
Definition at line 32 of file pru_can_emulation_api.c.
| u32 gu32canpsc0mapaddress |
Definition at line 35 of file pru_can_emulation_api.c.
| u32 gu32canpsc1mapaddress |
Definition at line 34 of file pru_can_emulation_api.c.
| u32 gu32cansyscfgmapaddress |
Definition at line 33 of file pru_can_emulation_api.c.
| u32 gu32pruclock |
Definition at line 36 of file pru_can_emulation_api.c.
| arm_pru_iomap str_pru_iomap |
Definition at line 31 of file pru_can_emulation_api.c.
1.8.7 
