113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
#include <stdio.h>
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#include "esp32_s3_szp.h"
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#include "app_ui.h"
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#include <esp_system.h>
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#include <math.h>
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#include "ecg_generator.h"
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#include "esp_timer.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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static const char *TAG = "MAIN";
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static esp_timer_handle_t signal_timer = NULL;
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static uint32_t signal_sample_count = 0;
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static uint32_t signal_last_log_time = 0;
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// 信号生成器定时器回调函数
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static void signal_timer_callback(void* arg) {
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// ECG十二导联模式：使用十二导联输出函数
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ecg_generator_output_twelve_leads(set_channel_voltage);
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signal_sample_count++;
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}
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// 函数声明
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void displayMemoryUsage(void);
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void init_ecg_system(void);
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void init_hardware(void);
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// ECG系统初始化函数
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void init_ecg_system(void) {
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ESP_LOGI(TAG, "=== 初始化ECG十二导联系统 ===");
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// 使用封装函数初始化所有ECG导联
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int ret = ecg_generator_init_twelve_leads_system(20000.0f, 5.0f, 75.0f); // 20kHz, 5V, 75BPM
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if (ret != 0) {
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ESP_LOGE(TAG, "Failed to initialize ECG system");
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return;
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}
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// 创建定时器配置
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const esp_timer_create_args_t timer_args = {
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.callback = &signal_timer_callback,
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.name = "signal_timer"
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};
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// 创建定时器
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ret = esp_timer_create(&timer_args, &signal_timer);
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if (ret != 0) {
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ESP_LOGE(TAG, "Failed to create signal timer");
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return;
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}
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// 启动定时器 (50us = 20kHz)
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ret = esp_timer_start_periodic(signal_timer, 50); // 50微秒 = 20kHz
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if (ret != 0) {
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ESP_LOGE(TAG, "Failed to start signal timer");
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esp_timer_delete(signal_timer);
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return;
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}
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ESP_LOGI(TAG, "ECG系统初始化完成，定时器启动在20kHz (50us周期)");
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}
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void init_hardware(void)
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{
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// 硬件初始化
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bsp_i2c_init(); // I2C初始化
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LED_init(); // LED初始化
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init_ad5328(); // DAC初始化
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ESP_LOGI(TAG, "Hardware initialization completed.");
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}
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// 打印内存使用情况
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void displayMemoryUsage() {
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size_t totalDRAM = heap_caps_get_total_size(MALLOC_CAP_INTERNAL);
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size_t freeDRAM = heap_caps_get_free_size(MALLOC_CAP_INTERNAL);
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size_t usedDRAM = totalDRAM - freeDRAM;
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size_t totalPSRAM = heap_caps_get_total_size(MALLOC_CAP_SPIRAM);
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size_t freePSRAM = heap_caps_get_free_size(MALLOC_CAP_SPIRAM);
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size_t usedPSRAM = totalPSRAM - freePSRAM;
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size_t DRAM_largest_block = heap_caps_get_largest_free_block(MALLOC_CAP_INTERNAL);
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size_t PSRAM_largest_block = heap_caps_get_largest_free_block(MALLOC_CAP_SPIRAM);
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float dramUsagePercentage = (float)usedDRAM / totalDRAM * 100;
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float psramUsagePercentage = (float)usedPSRAM / totalPSRAM * 100;
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ESP_LOGI(TAG, "DRAM Total: %zu bytes, Used: %zu bytes, Free: %zu bytes, DRAM_Largest_block: %zu bytes", totalDRAM, usedDRAM, freeDRAM, DRAM_largest_block);
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ESP_LOGI(TAG, "DRAM Used: %.2f%%", dramUsagePercentage);
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ESP_LOGI(TAG, "PSRAM Total: %zu bytes, Used: %zu bytes, Free: %zu bytes, PSRAM_Largest_block: %zu bytes", totalPSRAM, usedPSRAM, freePSRAM, PSRAM_largest_block);
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ESP_LOGI(TAG, "PSRAM Used: %.2f%%", psramUsagePercentage);
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}
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// 主函数
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void app_main(void)
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{
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int led_count = 0;
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init_hardware();
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init_ecg_system();
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while (true) {
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// LED闪烁指示系统运行
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gpio_set_level(LED_PIN, 1); // LED亮
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vTaskDelay(pdMS_TO_TICKS(1000));
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gpio_set_level(LED_PIN, 0); // LED灭
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vTaskDelay(pdMS_TO_TICKS(1000));
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// 每10次循环显示一次内存使用情况
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if (++led_count % 10 == 0) {
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displayMemoryUsage();
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}
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}
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} |