new program to wakeup ampli with timer

1 files changed, 23 insertions, 0 deletions

diff --git a/avr-attiny25-ampli-wakeup-delay/main.c b/avr-attiny25-ampli-wakeup-delay/main.c
new file mode 100644
index 0000000..6fb530e
--- /dev/null
+++ b/avr-attiny25-ampli-wakeup-delay/main.c
@@ -0,0 +1,23 @@
+#include <avr/io.h>
+#include <util/delay.h>
+
+int main(void)
+{
+    /* PB4 output */
+    DDRB  |=  _BV(4);
+    PORTB &= ~_BV(4);
+
+    //for (;;)
+    //{
+    //    _delay_ms(1000);
+    //    PORTB ^= _BV(4);
+    //}
+
+    // wait for 45s and enable the amplifier
+    for (uint8_t i = 0; i < 32; ++i) {
+        _delay_ms(1000);
+    }
+    PORTB |= _BV(4);
+
+    return 0;
+}