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--- info:avr32_gpio_writing [2009/04/29 09:56] – tomgee
+++ info:avr32_gpio_writing [2009/04/29 09:59] (current) – tomgee
@@ Line 58: / Line 58: @@
     pm_configure_clocks(&osc);
+You can set and reset the port pins directly. Here is an example for PORTB:
+Code:
+volatile avr32_gpio_port_t *gpio_port_b = ( volatile avr32_gpio_port_t * ) &gpio_base->port[1];
+gpio_port_b->ovrc = 0x00000001; // Clear PORTB0
+gpio_port_b->ovrs = 0x00000001; // Set PORTB0
+===== Setting PIO Faster =====
+This is faster, because you don't have to call a function (saving and restoring of all registers => stack).
+If you want to set or reset a pin of PORTA:
+    volatile avr32_gpio_port_t *gpio_port_a = ( volatile avr32_gpio_port_t * ) &gpio_base->port[0];
+    gpio_port_a->ovrc = 0x00000001; // Clear PORTA0
+    gpio_port_a->ovrs = 0x00000001; // Set PORTA0
+You can also set or reset more than one pin at the same time.