TUGAS PENDAHULUAN
PERCOBAAN 1 KONDISI 7
1. Prosedur [kembali]
- Pahami terlebih dahulu kondisi yang akan digunakan
- Buka software Proteus 8.17
- Persiapkan alat dan bahan
- Buat rangkaian sesuai dengan kondisi dan modul
- Buka software STM32Cube IDE
- Setelah membuka software, pilih perangkat STM32F103C8T6
- Sesuaikan konfigurasi pin sesuai dengan rangkaian proteus
- Buat kode program untuk mengoperasikan rangkaian tersebut sesuai dengan kondisi
- Konfigurasi kan program dengan software Proteus
- Jalankan simulasi rangkaian.
- Proses selesai
2. Hardware[kembali]
1. STM32F103C8
Microcontroller | ARM Cortex-M3 |
Operating Voltage | 3.3 V |
Input Voltage (recommended) | 5 V |
Input Voltage (limit) | 2 – 3.6 V |
Digital I/O Pins | 32 |
PWM Digital I/O Pins | 15 |
Analog Input Pins | 10 (dengan resolusi 12-bit ADC) |
DC Current per I/O Pin | 25 mA |
DC Current for 3.3V Pin | 150 mA |
Flash Memory | 64 KB |
SRAM | 20 KB |
EEPROM | Emulasi dalam Flash |
Clock Speed | 72 MHz |
2. Sensor Heartbeat
8. Diagram Blok
3. Rangkaian Simulasi dan Prinsip Kerja [kembali]
/* USER CODE BEGIN Header */
/**
******************************************************************************
* @file : main.c
* @brief : Sensor di PA0 (>60%) -> Menyalakan LED PB1 & Buzzer PB11, mematikan PB0 & PB10.
******************************************************************************
*/
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define FILTER_SIZE 10
/* USER CODE END PD */
/* Private variables ---------------------------------------------------------*/
ADC_HandleTypeDef hadc1;
/* USER CODE BEGIN PV */
uint32_t adcValue = 0;
uint32_t filteredValue = 0;
uint16_t buffer[FILTER_SIZE];
uint8_t indexBuf = 0;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_ADC1_Init(void);
/* USER CODE BEGIN PFP */
uint32_t Calculate_Moving_Average(uint16_t new_value);
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
uint32_t Calculate_Moving_Average(uint16_t new_value)
{
buffer[indexBuf] = new_value;
indexBuf++;
if(indexBuf >= FILTER_SIZE)
{
indexBuf = 0;
}
uint32_t sum = 0;
for(int i = 0; i < FILTER_SIZE; i++)
{
sum += buffer[i];
}
return (sum / FILTER_SIZE);
}
/* USER CODE END 0 */
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_ADC1_Init();
/* USER CODE BEGIN 2 */
// Matikan semua LED dan Buzzer di awal program
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_10 | GPIO_PIN_11, GPIO_PIN_RESET);
for(int i = 0; i < FILTER_SIZE; i++) buffer[i] = 0;
/* USER CODE END 2 */
/* Infinite loop */
while (1)
{
/* --- SENSOR A0 MENGONTROL PB1 DAN PB11 --- */
HAL_ADC_Start(&hadc1);
if (HAL_ADC_PollForConversion(&hadc1, 10) == HAL_OK)
{
adcValue = HAL_ADC_GetValue(&hadc1);
filteredValue = Calculate_Moving_Average(adcValue);
// Resolusi ADC 12-bit adalah 4095. 60% dari 4095 adalah sekitar 2457.
// Jika nilai potensiometer > 60%
if (filteredValue > 2457)
{
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_SET); // LED PB1 ON
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_11, GPIO_PIN_SET); // Buzzer PB11 ON
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET); // LED PB0 OFF
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_10, GPIO_PIN_RESET); // LED PB10 OFF
}
else
{
// Jika nilai <= 60%, matikan PB1 dan PB11
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_RESET); // LED PB1 OFF
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_11, GPIO_PIN_RESET); // Buzzer PB11 OFF
// Pastikan PB0 dan PB10 juga tetap dalam keadaan mati
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_10, GPIO_PIN_RESET);
}
}
HAL_ADC_Stop(&hadc1);
HAL_Delay(10);
}
}
/**
* @brief System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { Error_Handler(); }
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK) { Error_Handler(); }
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) { Error_Handler(); }
}
/**
* @brief ADC1 Initialization Function
*/
static void MX_ADC1_Init(void)
{
ADC_ChannelConfTypeDef sConfig = {0};
hadc1.Instance = ADC1;
hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
hadc1.Init.ContinuousConvMode = DISABLE;
hadc1.Init.DiscontinuousConvMode = DISABLE;
hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc1.Init.NbrOfConversion = 1;
if (HAL_ADC_Init(&hadc1) != HAL_OK) { Error_Handler(); }
sConfig.Channel = ADC_CHANNEL_0;
sConfig.Rank = ADC_REGULAR_RANK_1;
sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { Error_Handler(); }
}
/**
* @brief GPIO Initialization Function
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
// Matikan semua output di awal
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11, GPIO_PIN_RESET);
/* Configure PB0, PB1, PB10, PB11 as Output */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
void Error_Handler(void)
{
__disable_irq();
while (1){}
}
#ifdef USE_FULL_ASSERT
void assert_failed(uint8_t *file, uint32_t line){}
#endif
5. Video Demo [kembali]
6. Kondisi [kembali]
Percobaan 1 Kontrol Lampu Lorong
Kondisi 7 : Buatlah rangkaian seperti pada gambar percobaan 1 dengan kondisi sensor heartbeat membaca BPM >60 dan LED menyala warna kuning serta buzzer berbunyi
7. Video Simulasi [kembali]
8. Download File [kembali]
- Rangkaian Proteus [Download]
- Program Hex [Download]
- Datasheet STM32F103C8 [Download]
- Datasheet Heartbeat Sensor [Download]
- Datasheet Resistor [Download]
- Datasheet LED [Download
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