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https://github.com/eddyem/stm32samples.git
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Always working, but some of schematics was wrong
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@@ -158,7 +158,7 @@ void CAN_setup(uint32_t speed){
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CAN1->FA1R = CAN_FA1R_FACT0; /* (8) */
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CAN1->FM1R = CAN_FM1R_FBM0;
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// filter 0 for FIFO0
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CAN1->sFilterRegister[0].FR1 = the_conf.CANID << 5; // (10) CANID and 0
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CAN1->sFilterRegister[0].FR1 = the_conf.CANIDin << 5; // (10) CANIDin and 0
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if(flags.can_monitor){ /* (11) */
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CAN1->FA1R |= CAN_FA1R_FACT1; // activate filter1
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CAN1->sFilterRegister[1].FR1 = 0; // all packets
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@@ -299,7 +299,7 @@ CAN_status CAN_send(CAN_message *message){
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* incoming data may have variable length
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*/
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TRUE_INLINE void parseCANcommand(CAN_message *msg){
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msg->ID = the_conf.CANID; // set own ID for broadcast messages
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msg->ID = the_conf.CANIDout; // set output ID for all output messages
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// check PING
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if(msg->length != 0) run_can_cmd(msg);
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uint32_t Tstart = Tms;
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@@ -354,7 +354,7 @@ static void can_process_fifo(uint8_t fifo_num){
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}
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}
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// run command for my or broadcast ID
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if(msg.ID == the_conf.CANID || msg.ID == 0) parseCANcommand(&msg);
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if(msg.ID == the_conf.CANIDin || msg.ID == 0) parseCANcommand(&msg);
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if(flags.can_monitor && CAN_messagebuf_push(&msg)) return; // error: buffer is full, try later
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*RFxR |= CAN_RF0R_RFOM0; // release fifo for access to next message
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}
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