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track can overflows

This commit is contained in:
George Hotz 2019-06-14 13:33:30 -07:00
parent d33bb4117c
commit 00ebc16936
1 changed files with 13 additions and 8 deletions
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21
board/drivers/can.h
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@ -48,6 +48,13 @@ can_buffer(tx3_q, 0x100)
can_buffer(txgmlan_q, 0x100)
can_ring *can_queues[] = {&can_tx1_q, &can_tx2_q, &can_tx3_q, &can_txgmlan_q};
// global CAN stats
int can_rx_cnt = 0;
int can_tx_cnt = 0;
int can_txd_cnt = 0;
int can_err_cnt = 0;
int can_overflow_cnt = 0;
// ********************* interrupt safe queue *********************
int can_pop(can_ring *q, CAN_FIFOMailBox_TypeDef *elem) {
@ -78,9 +85,12 @@ int can_push(can_ring *q, CAN_FIFOMailBox_TypeDef *elem) {
ret = 1;
}
exit_critical_section();
#ifdef DEBUG
if (ret == 0) puts("can_push failed!\n");
#endif
if (ret == 0) {
can_overflow_cnt++;
#ifdef DEBUG
puts("can_push failed!\n");
#endif
}
return ret;
}
@ -100,11 +110,6 @@ void can_clear(can_ring *q) {
// can_num_lookup: Translates from 'bus number' to 'can number'.
// can_forwarding: Given a bus num, lookup bus num to forward to. -1 means no forward.
int can_rx_cnt = 0;
int can_tx_cnt = 0;
int can_txd_cnt = 0;
int can_err_cnt = 0;
// Panda: Bus 0=CAN1 Bus 1=CAN2 Bus 2=CAN3
CAN_TypeDef *cans[] = {CAN1, CAN2, CAN3};
uint8_t bus_lookup[] = {0,1,2};