diff options
Diffstat (limited to 'components/utilities')
| -rw-r--r-- | components/utilities/ymodem/ymodem.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/components/utilities/ymodem/ymodem.c b/components/utilities/ymodem/ymodem.c index c98c7f6cb6..716c702328 100644 --- a/components/utilities/ymodem/ymodem.c +++ b/components/utilities/ymodem/ymodem.c @@ -125,6 +125,7 @@ static rt_err_t _rym_do_handshake( rt_size_t i; rt_uint16_t recv_crc, cal_crc; rt_size_t data_sz; + rt_tick_t tick; ctx->stage = RYM_STAGE_ESTABLISHING; /* send C every second, so the sender could know we are waiting for it. */ @@ -149,8 +150,17 @@ static rt_err_t _rym_do_handshake( return -RYM_ERR_TMO; } - i = _rym_read_data(ctx, data_sz-1); - if (i != (data_sz-1)) + /* receive all data */ + i = 0; + /* automatic exit after receiving specified length data, timeout: 100ms */ + tick = rt_tick_get(); + while (rt_tick_get() <= (tick + rt_tick_from_millisecond(100)) && i < (data_sz-1)) + { + i += _rym_read_data(ctx, data_sz - 1); + rt_thread_mdelay(5); + } + + if (i != (data_sz - 1)) return -RYM_ERR_DSZ; /* sanity check */ |