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tonton81 / FlexCAN_T4

FlexCAN (CAN 2.0 / CANFD) Library for Teensy 3.x and 4.0
https://forum.pjrc.com/threads/56035-FlexCAN_T4-FlexCAN-for-Teensy-4
MIT License
195 stars 65 forks source link

void FlexCAN_T4<_bus, _rxSize, _txSize>::setMBFilterProcessing(FLEXCAN_MAILBOX, uint32_t, uint32_t) [with CAN_DEV_TABLE _bus = (CAN_DEV_TABLE)1075642368u; FLEXCAN_RXQUEUE_TABLE _rxSize = (FLEXCAN_RXQUEUE_TABLE)256u; FLEXCAN_TXQUEUE_TABLE _txSize = (FLEXCAN_TXQUEUE_TABLE)16u; FLEXCAN_MAILBOX = FLEXCAN_MAILBOX; uint32_t = long unsigned int]' is private #33

Closed Manivannan-maker closed 2 years ago

Manivannan-maker commented 2 years ago

In mailbox_filtering_example_with_interrupts example , for Teensy4.1 board

The error occuring at this line " Can0.setMBFilterProcessing(MB0,0x00,0xFF);" The complete error message is listed below. But when I use Can0.setMBFilter(MB0,0x00,0xFF); instead of Can0.setMBFilterProcessing(MB0,0x00,0xFF); " there is no compilation error . Could you explain the difference between setMBFilter and setMBFilterProcessing . also the cause of this compilation error when I use the default example with setMBFilterProcessing .

Arduino: 1.8.16 (Windows 10), TD: 1.55, Board: "Teensy 4.1, Keyboard + Mouse + Touch Screen, 600 MHz, Faster, US English"

mailbox_filtering_example_with_interrupts: In function 'void setup()':

C:\Users\MANIVA~1\AppData\Local\Temp\arduino_modified_sketch_672941\mailbox_filtering_example_with_interrupts.ino:12:24: warning: invalid conversion from 'int' to 'FLEXCAN_MAILBOX' [-fpermissive]

 Can0.setMB(i,RX,EXT);

                    ^

In file included from C:\Users\MANIVA~1\AppData\Local\Temp\arduino_modified_sketch_672941\mailbox_filtering_example_with_interrupts.ino:1:0:

C:\Users\manivannans\sketchbook\libraries\FlexCAN_T4-master/FlexCAN_T4.h:302:18: note: initializing argument 1 of 'bool FlexCAN_T4<_bus, _rxSize, _txSize>::setMB(const FLEXCAN_MAILBOX&, const FLEXCAN_RXTX&, const FLEXCAN_IDE&) [with CAN_DEV_TABLE _bus = (CAN_DEV_TABLE)1075642368u; FLEXCAN_RXQUEUE_TABLE _rxSize = (FLEXCAN_RXQUEUE_TABLE)256u; FLEXCAN_TXQUEUE_TABLE _txSize = (FLEXCAN_TXQUEUE_TABLE)16u; FLEXCAN_MAILBOX = FLEXCAN_MAILBOX; FLEXCAN_RXTX = FLEXCAN_RXTX; FLEXCAN_IDE = FLEXCAN_IDE]'

define FCTP_OPT FlexCAN_T4<_bus, _rxSize, _txSize>

              ^

C:\Users\manivannans\sketchbook\libraries\FlexCAN_T4-master/FlexCAN_T4.tpp:242:16: note: in expansion of macro 'FCTP_OPT'

FCTP_FUNC bool FCTP_OPT::setMB(const FLEXCAN_MAILBOX &mb_num, const FLEXCAN_RXTX &mb_rx_tx, const FLEXCAN_IDE &ide) {

            ^

C:\Users\MANIVA~1\AppData\Local\Temp\arduino_modified_sketch_672941\mailbox_filtering_example_with_interrupts.ino:15:24: warning: invalid conversion from 'int' to 'FLEXCAN_MAILBOX' [-fpermissive]

 Can0.setMB(i,TX,EXT);

                    ^

In file included from C:\Users\MANIVA~1\AppData\Local\Temp\arduino_modified_sketch_672941\mailbox_filtering_example_with_interrupts.ino:1:0:

C:\Users\manivannans\sketchbook\libraries\FlexCAN_T4-master/FlexCAN_T4.h:302:18: note: initializing argument 1 of 'bool FlexCAN_T4<_bus, _rxSize, _txSize>::setMB(const FLEXCAN_MAILBOX&, const FLEXCAN_RXTX&, const FLEXCAN_IDE&) [with CAN_DEV_TABLE _bus = (CAN_DEV_TABLE)1075642368u; FLEXCAN_RXQUEUE_TABLE _rxSize = (FLEXCAN_RXQUEUE_TABLE)256u; FLEXCAN_TXQUEUE_TABLE _txSize = (FLEXCAN_TXQUEUE_TABLE)16u; FLEXCAN_MAILBOX = FLEXCAN_MAILBOX; FLEXCAN_RXTX = FLEXCAN_RXTX; FLEXCAN_IDE = FLEXCAN_IDE]'

define FCTP_OPT FlexCAN_T4<_bus, _rxSize, _txSize>

              ^

C:\Users\manivannans\sketchbook\libraries\FlexCAN_T4-master/FlexCAN_T4.tpp:242:16: note: in expansion of macro 'FCTP_OPT'

FCTP_FUNC bool FCTP_OPT::setMB(const FLEXCAN_MAILBOX &mb_num, const FLEXCAN_RXTX &mb_rx_tx, const FLEXCAN_IDE &ide) {

            ^

C:\Users\manivannans\sketchbook\libraries\FlexCAN_T4-master/FlexCAN_T4.h:302:18: error: 'void FlexCAN_T4<_bus, _rxSize, _txSize>::setMBFilterProcessing(FLEXCAN_MAILBOX, uint32_t, uint32_t) [with CAN_DEV_TABLE _bus = (CAN_DEV_TABLE)1075642368u; FLEXCAN_RXQUEUE_TABLE _rxSize = (FLEXCAN_RXQUEUE_TABLE)256u; FLEXCAN_TXQUEUE_TABLE _txSize = (FLEXCAN_TXQUEUE_TABLE)16u; FLEXCAN_MAILBOX = FLEXCAN_MAILBOX; uint32_t = long unsigned int]' is private

define FCTP_OPT FlexCAN_T4<_bus, _rxSize, _txSize>

              ^

C:\Users\manivannans\sketchbook\libraries\FlexCAN_T4-master/FlexCAN_T4.tpp:815:16: note: in expansion of macro 'FCTP_OPT'

FCTP_FUNC void FCTP_OPT::setMBFilterProcessing(FLEXCAN_MAILBOX mb_num, uint32_t filter_id, uint32_t calculated_mask) {

            ^

mailbox_filtering_example_with_interrupts:22: error: within this context

Can0.setMBFilterProcessing(MB1,0x03,0xFF);

                                     ^

within this context

This report would have more information with "Show verbose output during compilation" option enabled in File -> Preferences.

tonton81 commented 2 years ago

you need to post your code, clearly it says: Can0.setMB(i,RX,EXT) as an error, the remaining errors can just be a fallthrough of the initial error. I don't know or see how your code is layed out so i suggest you try one of the examples with filtering or post your code

Manivannan-maker commented 2 years ago

The error occurs in default example code. And I think it is related to line number 22? mailbox_filtering_example_with_interrupts:22: error: within this context

include

FlexCAN_T4<CAN1, RX_SIZE_256, TX_SIZE_16> Can0;

define NUM_TX_MAILBOXES 2

define NUM_RX_MAILBOXES 6

void setup(void) { Serial.begin(115200); delay(400); Can0.begin(); Can0.setBaudRate(250000); Can0.setMaxMB(NUM_TX_MAILBOXES + NUM_RX_MAILBOXES); for (int i = 0; i<NUM_RX_MAILBOXES; i++){ Can0.setMB(i,RX,EXT); } for (int i = NUM_RX_MAILBOXES; i<(NUM_TX_MAILBOXES + NUM_RX_MAILBOXES); i++){ Can0.setMB(i,TX,EXT); } Can0.setMBFilter(REJECT_ALL); Can0.enableMBInterrupts(); Can0.onReceive(MB0,canSniff); Can0.onReceive(MB1,canSniff); Can0.onReceive(MB2,canSniff); Can0.setMBFilterProcessing(MB0,0x00,0xFF); Can0.setMBFilterProcessing(MB1,0x03,0xFF); Can0.setMBFilterProcessing(MB2,0x0B,0xFF); Can0.mailboxStatus(); }

void canSniff(const CAN_message_t &msg) { Serial.print("MB "); Serial.print(msg.mb); Serial.print(" OVERRUN: "); Serial.print(msg.flags.overrun); Serial.print(" LEN: "); Serial.print(msg.len); Serial.print(" EXT: "); Serial.print(msg.flags.extended); Serial.print(" TS: "); Serial.print(msg.timestamp); Serial.print(" ID: "); Serial.print(msg.id, HEX); Serial.print(" Buffer: "); for ( uint8_t i = 0; i < msg.len; i++ ) { Serial.print(msg.buf[i], HEX); Serial.print(" "); } Serial.println(); }

void loop() { Can0.events(); }

tonton81 commented 2 years ago

that example was submitted by a user, in any case the error shown is because "i" is not casted to the respective enum (MBx) in the for loop

should be: (FLEXCAN_MAILBOX)i <-- casted enum for values

Manivannan-maker commented 2 years ago

The issue is in line 22 in example code: mailbox_filtering_example_with_interrupts Even when I set the MB filter like below snippet , I am getting the same error . Can0.setMB(MB0,RX,EXT); The issue is in setMBFilterProcessing , when I replace the setMBFilterProcessing with setMBFilter I didnt get any error in compilation . Could you explain the difference between setMBFilterProcessing and setMBFilter. Because even in Readme file of FlexCAN you have mentioned about usage of setMBFilter only . Why we are including setMBFilterProcessing instead on setMBFilter in this example code : mailbox_filtering_example_with_interrupts

include

FlexCAN_T4<CAN1, RX_SIZE_256, TX_SIZE_16> Can0;

define NUM_TX_MAILBOXES 2

define NUM_RX_MAILBOXES 6

void setup(void) { Serial.begin(115200); delay(400); Can0.begin(); Can0.setBaudRate(250000); Can0.setMaxMB(NUM_TX_MAILBOXES + NUM_RX_MAILBOXES); Can0.setMB(MB0,RX,EXT); Can0.setMB(MB1,RX,EXT);

Can0.setMB(MB2,RX,EXT);

/ for (int i = 0; i<NUM_RX_MAILBOXES; i++){ Can0.setMB(i,RX,EXT); } for (int i = NUM_RX_MAILBOXES; i<(NUM_TX_MAILBOXES + NUM_RX_MAILBOXES); i++){ Can0.setMB(i,TX,EXT); } / Can0.setMBFilter(REJECT_ALL); Can0.enableMBInterrupts(); Can0.onReceive(MB0,canSniff); Can0.onReceive(MB1,canSniff); Can0.onReceive(MB2,canSniff); Can0.setMBFilterProcessing(MB0,0x00,0xFF); Can0.setMBFilterProcessing(MB1,0x03,0xFF); Can0.setMBFilterProcessing(MB2,0x0B,0xFF); Can0.mailboxStatus(); }

void canSniff(const CAN_message_t &msg) { Serial.print("MB "); Serial.print(msg.mb); Serial.print(" OVERRUN: "); Serial.print(msg.flags.overrun); Serial.print(" LEN: "); Serial.print(msg.len); Serial.print(" EXT: "); Serial.print(msg.flags.extended); Serial.print(" TS: "); Serial.print(msg.timestamp); Serial.print(" ID: "); Serial.print(msg.id, HEX); Serial.print(" Buffer: "); for ( uint8_t i = 0; i < msg.len; i++ ) { Serial.print(msg.buf[i], HEX); Serial.print(" "); } Serial.println(); }

void loop() { Can0.events(); }

tonton81 commented 2 years ago

The issue is in setMBFilterProcessing , when I replace the setMBFilterProcessing with setMBFilter I didnt get any error in compilation . This is a user submitted example that required a modified library, his patches ended up being included in setMBUserFilter, so that demo is outdated, and it's used for J1939 filtering, not regular filtering.

Example, parts of the ID is used for filtering vs normal filtering which is specific IDs