altos: flush stdout when fifo from arduino serial port is empty

[fw/altos] / src / core / ao.h

diff --git a/src/core/ao.h b/src/core/ao.h
index 1fbcf7df554018b90f7376959d3f4782eec5c8b7..8c5335c4bd73a86d9e9edb30a848f0cd18caa1e7 100644 (file)
--- a/src/core/ao.h
+++ b/src/core/ao.h
@@ -938,6 +938,39 @@ void
 ao_serial_init(void);
 #endif
 
+#ifndef HAS_SERIAL_0
+#define HAS_SERIAL_0 0
+#endif
+
+#if HAS_SERIAL_0
+
+extern volatile __xdata struct ao_fifo ao_usart0_rx_fifo;
+extern volatile __xdata struct ao_fifo ao_usart0_tx_fifo;
+
+void
+ao_serial0_rx0_isr(void) ao_arch_interrupt(2);
+
+void
+ao_serial0_tx0_isr(void) ao_arch_interrupt(7);
+
+char
+ao_serial0_getchar(void) __critical;
+
+void
+ao_serial0_putchar(char c) __critical;
+
+void
+ao_serial0_drain(void) __critical;
+
+void
+ao_serial0_set_speed(uint8_t speed);
+
+void
+ao_serial0_init(void);
+
+#endif
+
+
 /*
  * ao_spi.c
  */