From 9eb2c8909a1b4602bfd47d6e96ba2229ff393517 Mon Sep 17 00:00:00 2001
From: Rob Austein <sra@hactrn.net>
Date: Sat, 15 Apr 2017 17:16:01 -0400
Subject: sw/stm32 Makefiles are a mess.

Apparently it's easier to duplicate source files into multiple project
directories than to write Makefiles that do something sane.  Feh.
---
 projects/bootloader/Makefile |  2 +-
 projects/bootloader/log.c    | 65 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 66 insertions(+), 1 deletion(-)
 create mode 100644 projects/bootloader/log.c

(limited to 'projects/bootloader')

diff --git a/projects/bootloader/Makefile b/projects/bootloader/Makefile
index 7de93c0..8415c69 100644
--- a/projects/bootloader/Makefile
+++ b/projects/bootloader/Makefile
@@ -1,6 +1,6 @@
 PROG = bootloader
 
-OBJS = crc32.o dfu.o
+OBJS = crc32.o dfu.o log.o
 
 BOARD_OBJS = \
 	./stm-init.o \
diff --git a/projects/bootloader/log.c b/projects/bootloader/log.c
new file mode 100644
index 0000000..ee951d9
--- /dev/null
+++ b/projects/bootloader/log.c
@@ -0,0 +1,65 @@
+/*
+ * log.c
+ * -----
+ * Implement libhal logging API on Alpha.
+ *
+ * Copyright (c) 2017, NORDUnet A/S All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * - Redistributions of source code must retain the above copyright notice,
+ *   this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ *
+ * - Neither the name of the NORDUnet nor the names of its contributors may
+ *   be used to endorse or promote products derived from this software
+ *   without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+ * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#define HAL_OK CMSIS_HAL_OK
+#include "stm-uart.h"
+#undef HAL_OK
+
+#define HAL_OK LIBHAL_OK
+#include "hal.h"
+#include "hal_internal.h"
+#undef HAL_OK
+
+static hal_log_level_t current_log_level;
+
+void hal_log_set_level(const hal_log_level_t level)
+{
+  current_log_level = level;
+}
+
+void hal_log(const hal_log_level_t level, const char *format, ...)
+{
+  if (level < current_log_level)
+    return;
+
+  char buffer[2048];
+  va_list ap;
+
+  va_start(ap, format);
+  vsnprintf(buffer, sizeof(buffer), format, ap);
+  va_end(ap);
+
+  uart_send_string2(STM_UART_MGMT, buffer);
+  uart_send_string2(STM_UART_MGMT, "\r\n");
+}
-- 
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