[riot-notifications] [RIOT-OS/RIOT] Add support for "External PA/LNA Control" in mrf24j40 driver (useful … (#10625)
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Thu Apr 4 11:00:06 CEST 2019
benpicco commented on this pull request.
> @@ -87,6 +87,11 @@ void mrf24j40_init(mrf24j40_t *dev)
mrf24j40_reg_write_short(dev, MRF24J40_REG_BBREG2, MRF25J40_BBREG2_CCAMODE1 );
mrf24j40_reg_write_short(dev, MRF24J40_REG_CCAEDTH, 0x60);
mrf24j40_reg_write_short(dev, MRF24J40_REG_BBREG6, MRF24J40_BBREG6_RSSIMODE2 );
+ mrf24j40_reg_write_long(dev, MRF24J40_REG_TESTMODE, (MRF24J40_TESTMODE_TESTMODE2 |
+ MRF24J40_TESTMODE_TESTMODE1 |
Adding `MRF24J40_TESTMODE_RSSIWAIT0` here to make 0x0F like in the Microchip driver increased the RSSI on a receiving samr21-xpro from -38 dBm to -34 dBm.
The datasheet just refers to this as the "Optimized value (default)".
Why it switches to `MRF24J40_TESTMODE_RSSIWAIT1` for Clear Channel Assessment is still unknown to me.
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