e.gavrin
167 lines
3.3 KiB
C
167 lines
3.3 KiB
C
/* Copyright 2014 Samsung Electronics Co., Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "common-io.h"
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#include "jerry-libc.h"
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#ifdef __TARGET_MCU
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#pragma GCC diagnostic push
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#pragma GCC diagnostic ignored "-Wpedantic"
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#pragma GCC diagnostic ignored "-Wsign-conversion"
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#include "stm32f4xx_conf.h"
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#include "stm32f4xx.h"
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#pragma GCC diagnostic pop
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// STM32 F4
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#define LED_GREEN 12
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#define LED_ORANGE 13
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#define LED_RED 14
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#define LED_BLUE 15
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#endif
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int
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digital_read (uint32_t arg1 __unused, uint32_t arg2 __unused)
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{
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JERRY_UNIMPLEMENTED ();
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}
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void
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digital_write (uint32_t arg1 __unused, uint32_t arg2 __unused)
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{
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JERRY_UNIMPLEMENTED ();
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}
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int
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analog_read (uint32_t arg1 __unused, uint32_t arg2 __unused)
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{
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JERRY_UNIMPLEMENTED ();
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}
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void
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analog_write (uint32_t arg1 __unused, uint32_t arg2 __unused)
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{
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JERRY_UNIMPLEMENTED ();
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}
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void
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wait_ms (uint32_t time_ms)
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{
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#ifdef __TARGET_HOST_x64
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// 1 millisecond = 1,000,000 Nanoseconds
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#define NANO_SECOND_MULTIPLIER 1000000
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__printf ("wait_ms: %d\n", time_ms);
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#endif
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#ifdef __TARGET_MCU
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while (time_ms --)
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{
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wait_1ms ();
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}
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#endif
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}
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#ifdef __TARGET_MCU
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void
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initialize_timer ()
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{
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RCC_APB1PeriphClockCmd (RCC_APB1Periph_TIM2, ENABLE);
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TIM_TimeBaseInitTypeDef timerInitStructure;
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timerInitStructure.TIM_Prescaler = 40000;
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timerInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
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timerInitStructure.TIM_Period = 500;
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timerInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
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timerInitStructure.TIM_RepetitionCounter = 0;
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TIM_TimeBaseInit (TIM2, &timerInitStructure);
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TIM_Cmd (TIM2, ENABLE);
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}
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void
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fake_exit (void)
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{
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uint32_t pin = LED_ORANGE;
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volatile GPIO_TypeDef* gpio = GPIOD;
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volatile int index;
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int dot = 600000;
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int dash = dot * 3;
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while (1)
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{
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gpio->BSRRL = (uint16_t) (1 << pin);
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for ( index = 0; index < dot; index ++)
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{
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};
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gpio->BSRRH = (uint16_t) (1 << pin);
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for (index = 0; index < dash; index ++)
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{
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};
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}
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}
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static __IO uint32_t sys_tick_counter;
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void
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initialize_sys_tick (void)
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{
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/****************************************
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*SystemFrequency/1000 1ms *
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*SystemFrequency/100000 10us *
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*SystemFrequency/1000000 1us *
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*****************************************/
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while (SysTick_Config (SystemCoreClock / 1000000) != 0)
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{
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} // One SysTick interrupt now equals 1us
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}
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void
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set_sys_tick_counter (uint32_t set_value)
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{
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sys_tick_counter = set_value;
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}
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uint32_t
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get_sys_tick_counter (void)
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{
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return sys_tick_counter;
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}
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void
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SysTick_Handler (void)
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{
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time_tick_decrement ();
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}
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void
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time_tick_decrement (void)
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{
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if (sys_tick_counter != 0x00)
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{
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sys_tick_counter --;
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}
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}
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void
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wait_1ms (void)
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{
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sys_tick_counter = 1000;
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while (sys_tick_counter != 0)
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{
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}
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}
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#endif
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