add XL as gpio

a4abad43 · Sam Calisch · 634acf74 · a4abad43
Commit a4abad43 authored Oct 01, 2017 by Sam Calisch
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modules/XL_as_gpio/XL_as_gpio.ino modules/XL_as_gpio/XL_as_gpio.ino +13 -0

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--- a/modules/XL_as_gpio/XL_as_gpio.ino
+++ b/modules/XL_as_gpio/XL_as_gpio.ino
+//sec 2017
+
+void setup() {
+  //Need to switch to internal LFCLK to disconnect from XL1 and XL2
+  NRF_CLOCK->LFCLKSRC = 0; //disconnect XL1 AND XL2 FROM LFCLK
+  NRF_CLOCK->EVENTS_LFCLKSTARTED = 0;
+  NRF_CLOCK->TASKS_LFCLKSTART    = 1;
+  while (NRF_CLOCK->EVENTS_LFCLKSTARTED == 0){}
+
+  //now can use XL1 and XL2 as usual gpio
+}
+
+void loop() {}