diff options
| author | NIIBE Yutaka <gniibe@fsij.org> | 2016-04-07 14:44:58 +0900 |
|---|---|---|
| committer | NIIBE Yutaka <gniibe@fsij.org> | 2016-04-07 14:52:39 +0900 |
| commit | 92e17d3bdf2371031967f949659edb91b72fb63f (patch) | |
| tree | 741147d6b21e019d77e2a095ea53f034717f0b3e /example-cdc/sample.c | |
| parent | 674c19c495feb6cba9d87515a2ae9daed84e754f (diff) | |
USB stack for STM32F103 improvement
Diffstat (limited to 'example-cdc/sample.c')
| -rw-r--r-- | example-cdc/sample.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/example-cdc/sample.c b/example-cdc/sample.c index 4e61980..7a6b99f 100644 --- a/example-cdc/sample.c +++ b/example-cdc/sample.c @@ -129,6 +129,7 @@ main (int argc, const char *argv[]) { struct stream *st; uint8_t count; + extern uint32_t bDeviceState; (void)argc; (void)argv; @@ -153,11 +154,14 @@ main (int argc, const char *argv[]) chopstx_cond_signal (&cnd1); chopstx_mutex_unlock (&mtx); - count= 0; + u = 1; + while (bDeviceState != CONFIGURED) + chopstx_usec_wait (500*1000); + + count = 0; while (1) { uint8_t s[64]; - u = 1; if (stream_wait_connection (st) < 0) { @@ -165,6 +169,11 @@ main (int argc, const char *argv[]) continue; } + chopstx_usec_wait (500*1000); + + /* Send ZLP at the beginning. */ + stream_send (st, s, 0); + memcpy (s, "xx: Hello, World with Chopstx!\r\n\000", 32); s[0] = hexchar (count >> 4); s[1] = hexchar (count & 0x0f); @@ -180,8 +189,11 @@ main (int argc, const char *argv[]) if (size < 0) break; - if (stream_send (st, s, size) < 0) - break; + if (size >= 0) + { + if (stream_send (st, s, size) < 0) + break; + } u ^= 1; } |