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esp8266/esp_mphal: Add tentative change to mp_hal_stdin_rx_chr() to wait IRQ.

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Instead of busy-looping waiting for UART input. Not enabled by default,
needs more testing.
This commit is contained in:
Paul Sokolovsky 2016-09-19 00:23:38 +03:00
parent 3fe047f08f
commit 4b3f1d712b
1 changed files with 7 additions and 0 deletions
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7
esp8266/esp_mphal.c
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@ -60,7 +60,14 @@ int mp_hal_stdin_rx_chr(void) {
if (c != -1) { if (c != -1) {
return c; return c;
} }
#if 0
// Idles CPU but need more testing before enabling
if (!ets_loop_iter()) {
asm("waiti 0");
}
#else
mp_hal_delay_us(1); mp_hal_delay_us(1);
#endif
} }
} }