[riot-notifications] [RIOT-OS/RIOT] drivers/mrf24j40: add external PA/LNA control on MC/MD/ME devices (#11410)

benpicco notifications at github.com
Tue May 21 16:48:57 CEST 2019

benpicco commented on this pull request.

> +#else
+    (void) dev;
+void mrf24j40_disable_pa_lna(mrf24j40_t *dev)
+    /* Disable automatic switch on PA/LNA */
+    mrf24j40_reg_write_long(dev, MRF24J40_REG_TESTMODE, MRF24J40_TESTMODE_RSSIWAIT0);
+    /* Configure all GPIOs as Output */
+    mrf24j40_reg_write_short(dev, MRF24J40_REG_TRISGPIO, 0xF);
+    /* Disable all GPIO outputs */
+    mrf24j40_reg_write_short(dev, MRF24J40_REG_GPIO, 0);

`enable_pa_lna()` will enable the voltage regulator for the PA and automatic PA/LNA control by the chip.
`enable_lna()` will disable the voltage regulator for the PA as well as automatic PA/LNA control, then manually enable the LNA.

Maybe I should call it `enable_auto_pa_lna()` to make that clearer. 

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