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| author | Jim Mussared <jim.mussared@gmail.com> | 2020-08-31 15:55:09 +1000 |
|---|---|---|
| committer | Damien George <damien@micropython.org> | 2020-09-08 23:53:12 +1000 |
| commit | 01f2d776141d94b8d15d91aa1e0f0cef4244d5f7 (patch) | |
| tree | 932f507aef6f81da676ff74d10e15918aa26d5a2 /ports/stm32/rfcore.c | |
| parent | 5eda362e0a7ed0eda6a4becdebf76a53cf69f944 (diff) | |
| download | micropython-01f2d776141d94b8d15d91aa1e0f0cef4244d5f7.tar.gz micropython-01f2d776141d94b8d15d91aa1e0f0cef4244d5f7.zip | |
stm32/rfcore: Fix length matching in HCI parser.
Diffstat (limited to 'ports/stm32/rfcore.c')
| -rw-r--r-- | ports/stm32/rfcore.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/ports/stm32/rfcore.c b/ports/stm32/rfcore.c index 3565c03898..99bb405630 100644 --- a/ports/stm32/rfcore.c +++ b/ports/stm32/rfcore.c @@ -258,11 +258,13 @@ STATIC int ipcc_wait_msg(unsigned int ch, uint32_t timeout_ms) { STATIC void tl_parse_hci_msg(const uint8_t *buf, parse_hci_info_t *parse) { const char *kind; - size_t len = 3 + buf[2]; + size_t len = 0; switch (buf[0]) { case 0x02: { // Standard BT HCI ACL packet kind = "HCI_ACL"; + // <kind><?><?><len LSB><len MSB> + len = 5 + buf[3] + (buf[4] << 8); if (parse != NULL) { parse->cb_fun(parse->cb_env, buf, len); } @@ -271,6 +273,8 @@ STATIC void tl_parse_hci_msg(const uint8_t *buf, parse_hci_info_t *parse) { case 0x04: { // Standard BT HCI event packet kind = "HCI_EVT"; + // <kind><op><len><data...> + len = 3 + buf[2]; if (parse != NULL) { bool fix = false; if (buf[1] == 0x0e && len == 7 && buf[3] == 0x01 && buf[4] == 0x63 && buf[5] == 0x0c && buf[6] == 0x01) { |