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atusb/fw/board.c (reset_rf): increased 1 us delays to nominally 2 us

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They should be at least 625 ns. Can't hurt to have a little tolerance.
This commit is contained in:
Werner Almesberger 2011-06-09 20:55:33 -03:00
parent 78ab017990
commit 256ac01ab2
1 changed files with 2 additions and 2 deletions
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4
atusb/fw/board.c
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@ -68,12 +68,12 @@ void reset_rf(void)
/* AT86RF231 data sheet, 12.4.13, reset pulse width: 625 ns (min) */ /* AT86RF231 data sheet, 12.4.13, reset pulse width: 625 ns (min) */
CLR(nRST_RF); CLR(nRST_RF);
_delay_us(1); _delay_us(2);
SET(nRST_RF); SET(nRST_RF);
/* 12.4.14: SPI access latency after reset: 625 ns (min) */ /* 12.4.14: SPI access latency after reset: 625 ns (min) */
_delay_us(1); _delay_us(2);
/* we must restore TRX_CTRL_0 after each reset (9.6.4) */ /* we must restore TRX_CTRL_0 after each reset (9.6.4) */