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nrf/mphalport: Use wfi to save power while waiting at the UART REPL.

This commit is contained in:
Damien George 2019-05-22 12:46:09 +10:00
parent 456c89f749
commit 9cf1cbb057
1 changed files with 1 additions and 0 deletions
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ports/nrf/mphalport.c
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@ -58,6 +58,7 @@ int mp_hal_stdin_rx_chr(void) {
if (MP_STATE_PORT(board_stdio_uart) != NULL && uart_rx_any(MP_STATE_PORT(board_stdio_uart))) {
return uart_rx_char(MP_STATE_PORT(board_stdio_uart));
}
__WFI();
}
return 0;