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[stm32] initial stab at getting uart printfs working

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This commit is contained in:
Travis Geiselbrecht
2012-03-21 00:16:15 -07:00
parent e60f69cb87
commit c15355304b
5 changed files with 136 additions and 4 deletions
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30
target/stm32-p107/include/target/debugconfig.h Normal file
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@@ -0,0 +1,30 @@
/*
* Copyright (c) 2012 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __TARGET_DEBUGCONFIG_H
#define __TARGET_DEBUGCONFIG_H
#include <stm32f10x_usart.h>
#define DEBUG_UART USART3
#endif

59
target/stm32-p107/init.c Normal file
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@@ -0,0 +1,59 @@
/*
* Copyright (c) 2012 Travis Geiselbrecht
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <err.h>
#include <debug.h>
#include <target.h>
#include <compiler.h>
#include <stm32f10x_usart.h>
#include <stm32f10x_rcc.h>
#include <stm32f10x_gpio.h>
#include <stm32f10x_flash.h>
#include <stm32f10x_dbgmcu.h>
#include <platform/stm32.h>
void target_early_init(void)
{
/* configure the usart3 pins */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_FullRemap_USART3, ENABLE);
GPIO_InitTypeDef init;
init.GPIO_Pin = GPIO_Pin_8;
init.GPIO_Speed = GPIO_Speed_50MHz;
init.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOD, &init);
init.GPIO_Pin = GPIO_Pin_9;
init.GPIO_Speed = GPIO_Speed_50MHz;
init.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOD, &init);
stm32_debug_init();
}
void target_init(void)
{
}

3
target/stm32-p107/rules.mk
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@@ -6,5 +6,6 @@ PLATFORM := stm32f1xx
INCLUDES += -I$(LOCAL_DIR)/include
OBJS +=
OBJS += \
$(LOCAL_DIR)/init.o