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reduce max isotp message size. see OpenXC vi-firmware issue #375 https://github.com/openxc/vi-firmware/issues/375. (#5)

This commit is contained in:
Zac Nelson 2016-10-05 10:17:23 -07:00 committed by GitHub
parent 4e7375321a
commit ee24440b7c
2 changed files with 2 additions and 2 deletions
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2
src/isotp/isotp_types.h
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@ -10,7 +10,7 @@
// TODO we want to avoid malloc, and we can't be allocated 4K on the stack for
// each IsoTpMessage, so for now we're setting an artificial max message size
// here - for most multi-frame use cases, 256 bytes is plenty.
#define OUR_MAX_ISO_TP_MESSAGE_SIZE 256
#define OUR_MAX_ISO_TP_MESSAGE_SIZE 127
/* Private: IsoTp nibble specifics for PCI and Payload.
*/

2
tests/test_receive.c
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@ -136,7 +136,7 @@ END_TEST
START_TEST (test_receive_large_multi_frame)
{
const uint8_t data0[CAN_MESSAGE_BYTE_SIZE] = {0x11, 0x01, 0x49, 0x02, 0x01, 0x31, 0x46, 0x4d};
const uint8_t data0[CAN_MESSAGE_BYTE_SIZE] = {0x10, 0x80, 0x49, 0x02, 0x01, 0x31, 0x46, 0x4d};
IsoTpMessage message = isotp_continue_receive(&SHIMS, &RECEIVE_HANDLE, 0x2a, data0, 8);
//Make sure we don't try to receive messages that are too large and don't send flow control.
fail_unless(!can_frame_was_sent);