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newlib: implement usleep

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This commit is contained in:
Ivan Grokhotkov 2017-08-16 14:58:30 +08:00
parent 10f0543080
commit abe9516fdc
2 changed files with 16 additions and 1 deletions
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2
components/console/linenoise/linenoise.c
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@ -898,7 +898,7 @@ int linenoiseProbe() {
int timeout_ms = 200;
size_t read_bytes = 0;
while (timeout_ms > 0 && read_bytes < 4) { // response is ESC[0n or ESC[3n
usleep(1000);
usleep(10000);
char c;
int cb = fread(&c, 1, 1, stdin);
read_bytes += cb;

15
components/newlib/time.c
View File

@ -16,6 +16,7 @@
#include <stdlib.h>
#include <time.h>
#include <reent.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/reent.h>
#include <sys/time.h>
@ -244,6 +245,20 @@ int settimeofday(const struct timeval *tv, const struct timezone *tz)
#endif
}
int usleep(useconds_t us)
{
const int us_per_tick = portTICK_PERIOD_MS * 1000;
if (us < us_per_tick) {
ets_delay_us((uint32_t) us);
} else {
/* since vTaskDelay(1) blocks for anywhere between 0 and portTICK_PERIOD_MS,
* round up to compensate.
*/
vTaskDelay((us + us_per_tick - 1) / us_per_tick);
}
return 0;
}
uint32_t system_get_time(void)
{
#if defined( WITH_FRC1 ) || defined( WITH_RTC )