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atusb/fw/board.c (reset_rf): increased 1 us delays to nominally 2 us
They should be at least 625 ns. Can't hurt to have a little tolerance.
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@ -68,12 +68,12 @@ void reset_rf(void)
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/* AT86RF231 data sheet, 12.4.13, reset pulse width: 625 ns (min) */
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CLR(nRST_RF);
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_delay_us(1);
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_delay_us(2);
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SET(nRST_RF);
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/* 12.4.14: SPI access latency after reset: 625 ns (min) */
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_delay_us(1);
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_delay_us(2);
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/* we must restore TRX_CTRL_0 after each reset (9.6.4) */
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