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HAL_SITL: allow for more data before GPS pipe flush

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This commit is contained in:
Andrew Tridgell 2015-07-04 15:14:39 +10:00
parent 93800fb3a1
commit 88a90495b2
1 changed files with 1 additions and 1 deletions
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2
libraries/AP_HAL_SITL/sitl_gps.cpp
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@ -49,7 +49,7 @@ ssize_t SITL_State::gps_read(int fd, void *buf, size_t count)
#ifdef FIONREAD #ifdef FIONREAD
// use FIONREAD to get exact value if possible // use FIONREAD to get exact value if possible
int num_ready; int num_ready;
while (ioctl(fd, FIONREAD, &num_ready) == 0 && num_ready > 256) { while (ioctl(fd, FIONREAD, &num_ready) == 0 && num_ready > 3000) {
// the pipe is filling up - drain it // the pipe is filling up - drain it
uint8_t tmp[128]; uint8_t tmp[128];
if (read(fd, tmp, sizeof(tmp)) != sizeof(tmp)) { if (read(fd, tmp, sizeof(tmp)) != sizeof(tmp)) {