2. Buat program untuk mikrokontroler Raspberry Pi Pico di software Thonny.
3. Inputkan program ke dalam mikrokontroler melalui USB.
4. Setelah program diinputkan, uji rangkaian yang telah dirangkai sesuai dengan output yang ditentukan.

#include "main.h" void SystemClock_Config(void); static void MX_GPIO_Init(void); int main(void) { HAL_Init(); SystemClock_Config(); MX_GPIO_Init(); while (1) { uint8_t pir_status = HAL_GPIO_ReadPin(GPIOB, PIR_Pin); uint8_t touch_status = HAL_GPIO_ReadPin(GPIOB, TOUCH_Pin); // Matikan semua output terlebih dahulu HAL_GPIO_WritePin(GPIOA, GREEN_Pin | RED_Pin | BUZZER_Pin, GPIO_PIN_RESET); if (pir_status == GPIO_PIN_SET) { HAL_GPIO_WritePin(GPIOA, RED_Pin, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOA, BUZZER_Pin, GPIO_PIN_SET); HAL_Delay(500); // Tambahkan delay agar buzzer berbunyi cukup lama } else if (touch_status == GPIO_PIN_SET) { HAL_GPIO_WritePin(GPIOA, GREEN_Pin, GPIO_PIN_SET); HAL_GPIO_WritePin(GPIOA, BUZZER_Pin, GPIO_PIN_SET); HAL_Delay(500); } else { HAL_GPIO_WritePin(GPIOA, BUZZER_Pin, GPIO_PIN_RESET); } HAL_Delay(100); // Debounce sederhana } } void SystemClock_Config(void) { RCC_OscInitTypeDef RCC_OscInitStruct = {0}; RCC_ClkInitTypeDef RCC_ClkInitStruct = {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(); } } static void MX_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); // Konfigurasi output: LED dan Buzzer HAL_GPIO_WritePin(GPIOA, RED_Pin | GREEN_Pin | BUZZER_Pin, GPIO_PIN_RESET); GPIO_InitStruct.Pin = RED_Pin | GREEN_Pin | BUZZER_Pin; GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); // Konfigurasi input: PIR dan Touch Sensor GPIO_InitStruct.Pin = PIR_Pin | TOUCH_Pin; GPIO_InitStruct.Mode = GPIO_MODE_INPUT; GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOB, &GPIO_InitStruct); } void Error_Handler(void) { __disable_irq(); while (1) { } } #ifdef USE_FULL_ASSERT void assert_failed(uint8_t *file, uint32_t line) { } #endif
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