From eec7aaab9321dc576d1d8f08a4688bc5d47c7dbb Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Thu, 20 May 2010 13:06:48 +0000
Subject: 2010-05-20	Sebastian Huber <sebastian.huber@embedded-brains.de>

	* include/uart-output-char.h, src/uart-output-char.c: New files.
---
 c/src/lib/libbsp/shared/ChangeLog                  |  4 ++
 c/src/lib/libbsp/shared/include/uart-output-char.h | 57 ++++++++++++++++++++++
 c/src/lib/libbsp/shared/src/uart-output-char.c     | 44 +++++++++++++++++
 3 files changed, 105 insertions(+)
 create mode 100644 c/src/lib/libbsp/shared/include/uart-output-char.h
 create mode 100644 c/src/lib/libbsp/shared/src/uart-output-char.c

(limited to 'c')

diff --git a/c/src/lib/libbsp/shared/ChangeLog b/c/src/lib/libbsp/shared/ChangeLog
index 011cf2e866..3292fcb941 100644
--- a/c/src/lib/libbsp/shared/ChangeLog
+++ b/c/src/lib/libbsp/shared/ChangeLog
@@ -1,3 +1,7 @@
+2010-05-20	Sebastian Huber <sebastian.huber@embedded-brains.de>
+
+	* include/uart-output-char.h, src/uart-output-char.c: New files.
+
 2010-04-30	Sebastian Huber <sebastian.huber@embedded-brains.de>
 
 	* include/irq-config.h: Removed file.
diff --git a/c/src/lib/libbsp/shared/include/uart-output-char.h b/c/src/lib/libbsp/shared/include/uart-output-char.h
new file mode 100644
index 0000000000..2fbfb89e93
--- /dev/null
+++ b/c/src/lib/libbsp/shared/include/uart-output-char.h
@@ -0,0 +1,57 @@
+/**
+ * @file
+ *
+ * @ingroup bsp_kit
+ *
+ * @brief Output character definitions for standard UARTs.
+ */
+
+/*
+ * Copyright (c) 2010
+ * embedded brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_SHARED_UART_OUTPUT_CHAR_H
+#define LIBBSP_SHARED_UART_OUTPUT_CHAR_H
+
+#include <stdint.h>
+
+#include <bsp.h>
+
+#define CONSOLE_RBR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x00))
+#define CONSOLE_THR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x00))
+#define CONSOLE_DLL (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x00))
+#define CONSOLE_DLM (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x04))
+#define CONSOLE_IER (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x04))
+#define CONSOLE_IIR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x08))
+#define CONSOLE_FCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x08))
+#define CONSOLE_LCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x0C))
+#define CONSOLE_LSR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x14))
+#define CONSOLE_SCR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x1C))
+#define CONSOLE_ACR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x20))
+#define CONSOLE_ICR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x24))
+#define CONSOLE_FDR (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x28))
+#define CONSOLE_TER (*(volatile uint32_t *) (BSP_CONSOLE_UART_BASE + 0x30))
+
+#define CONSOLE_LSR_THRE 0x20
+
+#define BSP_CONSOLE_UART_INIT(dll) \
+  do { \
+    CONSOLE_LCR = 0x00; \
+    CONSOLE_IER = 0x00; \
+    CONSOLE_LCR = 0x80; \
+    CONSOLE_DLL = (dll); \
+    CONSOLE_DLM = 0x00; \
+    CONSOLE_LCR = 0x03; \
+    CONSOLE_FCR = 0x07; \
+  } while (0)
+
+#endif /* LIBBSP_SHARED_UART_OUTPUT_CHAR_H */
diff --git a/c/src/lib/libbsp/shared/src/uart-output-char.c b/c/src/lib/libbsp/shared/src/uart-output-char.c
new file mode 100644
index 0000000000..8619db038f
--- /dev/null
+++ b/c/src/lib/libbsp/shared/src/uart-output-char.c
@@ -0,0 +1,44 @@
+/**
+ * @file
+ *
+ * @ingroup bsp_kit
+ *
+ * @brief Output character implementation for standard UARTs.
+ */
+
+/*
+ * Copyright (c) 2010
+ * embedded brains GmbH
+ * Obere Lagerstr. 30
+ * D-82178 Puchheim
+ * Germany
+ * <rtems@embedded-brains.de>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#include <rtems/bspIo.h>
+
+#include <bsp/uart-output-char.h>
+
+static void uart_output(char c)
+{
+  while ((CONSOLE_LSR & CONSOLE_LSR_THRE) == 0) {
+    /* Wait */
+  }
+
+  CONSOLE_THR = c;
+}
+
+static void output(char c)
+{
+  if (c == '\n') {
+    uart_output('\r');
+  }
+
+  uart_output(c);
+}
+
+BSP_output_char_function_type BSP_output_char = output;
-- 
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