Yeongsoo Kim
/
Mecha_Timer
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Revision 0:a94da558b5ac, committed 2020-12-09
- Comitter:
- yeongsookim
- Date:
- Wed Dec 09 00:06:26 2020 +0000
- Commit message:
- Init commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/.mbed Wed Dec 09 00:06:26 2020 +0000 @@ -0,0 +1,1 @@ +ROOT=.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Dec 09 00:06:26 2020 +0000
@@ -0,0 +1,101 @@
+#include "mbed.h"
+Serial pc(USBTX, USBRX); // tx, rx
+PwmOut mypwm(p24);
+DigitalIn sensorIn(p23, PullUp);
+
+DigitalOut myled(LED1);
+
+
+//Interrupt is generated every 1ms and count is increased by 1
+int flag_01ms=0;
+int flag_1ms=0;
+int flag_20ms=0;
+void counter_100ns()
+{
+ flag_01ms++;
+ flag_1ms++;
+ flag_20ms++;
+}
+
+int main()
+{
+
+ wait(1);
+
+ //Set the 1ms thicker.
+ Ticker ticker_100ns;
+ ticker_100ns.attach(&counter_100ns,0.0001);
+
+ Timer time;
+ time.start();
+ float init_time = time.read();
+ pc.printf("init_time %.3f sec\n", init_time);
+ mypwm.period_us(5);
+ mypwm.pulsewidth_us(3);
+
+
+ float start_time=0.0;
+ float end_time=0.0;
+ int wait_5s = 10*1000*2;
+ int wait_count =0;
+ bool is_start=false;
+ bool is_end=false;
+ int up_count=0;
+
+ bool is_first_rising =false;
+ float first_rising_time=0.0;
+
+ while(1) {
+
+ if(flag_01ms>=1) {
+ flag_01ms=0;
+ if(is_start==false) {
+ if(sensorIn==0) {
+ up_count++;
+ if (is_first_rising == false) {
+ is_first_rising =true;
+ first_rising_time = time.read();
+ }
+ }
+ } else {
+ if(wait_count>wait_5s) {
+ if(sensorIn==0) {
+ up_count++;
+ if (is_first_rising == false) {
+ is_first_rising =true;
+ first_rising_time = time.read();
+ }
+ }
+ } else {
+ wait_count++;
+ }
+ }
+ }
+ if(flag_1ms>=10) {
+ flag_1ms=0;
+ if(up_count>=5 && is_start==false) {
+ start_time=first_rising_time;
+ pc.printf("start time %.5f sec %.5f\n", start_time-init_time);
+ wait_count=0;
+ is_first_rising =false;
+ first_rising_time = 0.0;
+ up_count=0;
+ is_start = true;
+ } else if(up_count>=5 && is_start==true && is_end==false) {
+ end_time=first_rising_time;
+
+ pc.printf("end time %.5f sec %.5f \n", end_time-init_time);
+ pc.printf("time gap %.5f sec \n", end_time-start_time);
+ is_end=true;
+ }
+
+ }
+ if(flag_20ms>=20*10) {
+ flag_20ms=0;
+ is_first_rising = false;
+ first_rising_time=0.0;
+ up_count=0;
+ }
+ myled = sensorIn;
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Wed Dec 09 00:06:26 2020 +0000 @@ -0,0 +1,1 @@ +https://os.mbed.com/users/mbed_official/code/mbed/builds/3a7713b1edbc \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed_config.h Wed Dec 09 00:06:26 2020 +0000 @@ -0,0 +1,49 @@ +/* + * mbed SDK + * Copyright (c) 2017 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// Automatically generated configuration file. +// DO NOT EDIT, content will be overwritten. + +#ifndef __MBED_CONFIG_DATA__ +#define __MBED_CONFIG_DATA__ + +// Configuration parameters +#define CLOCK_SOURCE USE_PLL_HSE_EXTC|USE_PLL_HSI // set by target:NUCLEO_F767ZI +#define LPTICKER_DELAY_TICKS 1 // set by target:FAMILY_STM32 +#define MBED_CONF_PLATFORM_DEFAULT_SERIAL_BAUD_RATE 9600 // set by library:platform +#define MBED_CONF_PLATFORM_ERROR_ALL_THREADS_INFO 0 // set by library:platform +#define MBED_CONF_PLATFORM_ERROR_DECODE_HTTP_URL_STR "\nFor more info, visit: https://armmbed.github.io/mbedos-error/?error=0x%08X" // set by library:platform +#define MBED_CONF_PLATFORM_ERROR_FILENAME_CAPTURE_ENABLED 0 // set by library:platform +#define MBED_CONF_PLATFORM_ERROR_HIST_ENABLED 0 // set by library:platform +#define MBED_CONF_PLATFORM_ERROR_HIST_SIZE 4 // set by library:platform +#define MBED_CONF_PLATFORM_FORCE_NON_COPYABLE_ERROR 0 // set by library:platform +#define MBED_CONF_PLATFORM_MAX_ERROR_FILENAME_LEN 16 // set by library:platform +#define MBED_CONF_PLATFORM_POLL_USE_LOWPOWER_TIMER 0 // set by library:platform +#define MBED_CONF_PLATFORM_STDIO_BAUD_RATE 9600 // set by library:platform +#define MBED_CONF_PLATFORM_STDIO_BUFFERED_SERIAL 0 // set by library:platform +#define MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES 0 // set by library:platform +#define MBED_CONF_PLATFORM_STDIO_CONVERT_TTY_NEWLINES 0 // set by library:platform +#define MBED_CONF_PLATFORM_STDIO_FLUSH_AT_EXIT 1 // set by library:platform +#define MBED_CONF_TARGET_FLASH_DUAL_BANK 0 // set by target:NUCLEO_F767ZI +#define MBED_CONF_TARGET_LPTICKER_LPTIM 1 // set by target:NUCLEO_F767ZI +#define MBED_CONF_TARGET_LPUART_CLOCK_SOURCE USE_LPUART_CLK_LSE|USE_LPUART_CLK_PCLK1 // set by target:FAMILY_STM32 +#define MBED_CONF_TARGET_LSE_AVAILABLE 1 // set by target:FAMILY_STM32 +#define MBED_CONF_TARGET_NETWORK_DEFAULT_INTERFACE_TYPE ETHERNET // set by target:NUCLEO_F767ZI +#define MBED_MEM_TRACING_ENABLED 0 // set by library:platform +#define STM32_D11_SPI_ETHERNET_PIN PA_7 // set by target:NUCLEO_F767ZI + +#endif