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Diffstat (limited to 'firmware/src/os/trigger.c')
-rw-r--r--firmware/src/os/trigger.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/firmware/src/os/trigger.c b/firmware/src/os/trigger.c
new file mode 100644
index 0000000..b8cedf3
--- /dev/null
+++ b/firmware/src/os/trigger.c
@@ -0,0 +1,17 @@
+#include <lib_AT91SAM7.h>
+#include <os/trigger.h>
+#include "../openpcd.h"
+
+void trigger_init(void)
+{
+ AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER);
+}
+
+void trigger_pulse(void)
+{
+ volatile int i;
+ AT91F_PIO_SetOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER);
+ for (i=0; i < 0xff; i++)
+ { }
+ AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_TRIGGER);
+}
personal git repositories of Harald Welte. Your mileage may vary