1 files changed, 68 insertions, 0 deletions
diff --git a/firmware/microblaze/lib/hal_uart.h b/firmware/microblaze/lib/hal_uart.h
new file mode 100644
index 000000000..2ddfa6259
--- /dev/null
+++ b/firmware/microblaze/lib/hal_uart.h
@@ -0,0 +1,68 @@
+/* -*- c -*- */
+/*
+ * Copyright 2007,2008 Free Software Foundation, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef INCLUDED_HAL_UART_H
+#define INCLUDED_HAL_UART_H
+
+
+/*!
+ * \brief one-time call to init
+ */
+void hal_uart_init(void);
+
+typedef enum {
+  US_9600,
+  US_19200,
+  US_38400,
+  US_57600,
+  US_115200,
+  US_230400,
+} hal_uart_speed_t;
+
+typedef struct {
+  hal_uart_speed_t	speed;
+} hal_uart_config_t;
+
+/*!
+ * \brief Set uart parameters
+ *  Default is 115,200 bps, 8N1.
+ */
+void hal_uart_set_config(const hal_uart_config_t *c);
+
+/*!
+ * \brief Get uart configuation.
+ */
+void hal_uart_get_config(hal_uart_config_t *c);
+
+/*!
+ * \brief Enqueue \p ch for output over serial port
+ */
+void hal_uart_putc(int ch);
+
+/*!
+ * \brief Enqueue \p ch for output over serial port, silent fail if queue is full
+ */
+void hal_uart_putc_nowait(int ch);
+
+/*
+ * \brief Blocking read of next char from serial port
+ */
+int hal_uart_getc(void);
+
+
+#endif /* INCLUDED_HAL_UART_H */