atsam/console/debug-console.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /*
0004  * Copyright (c) 2016 embedded brains GmbH & Co. KG
0005  *
0006  * Redistribution and use in source and binary forms, with or without
0007  * modification, are permitted provided that the following conditions
0008  * are met:
0009  * 1. Redistributions of source code must retain the above copyright
0010  *    notice, this list of conditions and the following disclaimer.
0011  * 2. Redistributions in binary form must reproduce the above copyright
0012  *    notice, this list of conditions and the following disclaimer in the
0013  *    documentation and/or other materials provided with the distribution.
0014  *
0015  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0016  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0017  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0018  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0019  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0020  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0021  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0022  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0023  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0024  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0025  * POSSIBILITY OF SUCH DAMAGE.
0026  */
0027
0028 #include <rtems/bspIo.h>
0029 #include <rtems/sysinit.h>
0030
0031 #include <bsp/atsam-clock-config.h>
0032 #include <chip.h>
0033 #include <include/dbg_console.h>
0034
0035 static void atsam_debug_console_out(char c)
0036 {
0037   DBG_PutChar((uint8_t) c);
0038 }
0039
0040 static void atsam_debug_console_init(void)
0041 {
0042   DBG_Configure(115200, BOARD_MCK);
0043   BSP_output_char = atsam_debug_console_out;
0044 }
0045
0046 static void atsam_debug_console_early_init(char c)
0047 {
0048   atsam_debug_console_init();
0049   atsam_debug_console_out(c);
0050 }
0051
0052 static int atsam_debug_console_in(void)
0053 {
0054   return (int) DBG_GetChar();
0055 }
0056
0057 BSP_output_char_function_type BSP_output_char = atsam_debug_console_early_init;
0058
0059 BSP_polling_getchar_function_type BSP_poll_char = atsam_debug_console_in;
0060
0061 RTEMS_SYSINIT_ITEM(
0062   atsam_debug_console_init,
0063   RTEMS_SYSINIT_BSP_START,
0064   RTEMS_SYSINIT_ORDER_LAST_BUT_5
0065 );