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@ -93,6 +93,7 @@ void start_gpio_di_do_task(void const *argument);
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void start_ec11_task(void const *argument);
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void start_ad7124_test_task(void const *argument);
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void ad7124_multi_channel_init(uint8_t sample_rate);
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void start_adc_task(void const *argument);
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extern void MX_LWIP_Init(void);
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void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
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@ -152,6 +153,8 @@ void MX_FREERTOS_Init(void)
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/* definition and creation of dac_task */
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// osThreadDef(dac_task, start_dac_task, osPriorityNormal, 0, 512);
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// dac_taskHandle = osThreadCreate(osThread(dac_task), NULL);
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osThreadDef(adc_task, start_adc_task, osPriorityBelowNormal, 0, 128);
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adc_taskHandle = osThreadCreate(osThread(adc_task), NULL);
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/* definition and creation of adc_task */
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// osThreadDef(adc_task, start_adc_task, osPriorityBelowNormal, 0, 128);
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@ -166,8 +169,8 @@ void MX_FREERTOS_Init(void)
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// ec11_taskHandle = osThreadCreate(osThread(ec11_task), NULL);
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/* definition and creation of ad7124_test_task */
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osThreadDef(ad7124_test_task, start_ad7124_test_task, osPriorityNormal, 0, 512);
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ad7124_test_taskHandle = osThreadCreate(osThread(ad7124_test_task), NULL);
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// osThreadDef(ad7124_test_task, start_ad7124_test_task, osPriorityNormal, 0, 512);
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// ad7124_test_taskHandle = osThreadCreate(osThread(ad7124_test_task), NULL);
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/* USER CODE BEGIN RTOS_THREADS */
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/* add threads, ... */
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@ -305,15 +308,15 @@ void start_adc_task(void const *argument)
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/* Infinite loop */
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for (;;)
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{
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osThreadSuspend(dac_taskHandle); // 暂停DAC任务，防止ADC采集时产生干????????,因为ADC和DAC采用的是同一路SPI，但是时序不????????
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//osThreadSuspend(dac_taskHandle); // 暂停DAC任务，防止ADC采集时产生干????????,因为ADC和DAC采用的是同一路SPI，但是时序不????????
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uint8_t ch = 0;
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for (ch = STOP_NC_ADC; ch < AD7124_CHANNEL_EN_MAX; ch++)
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for (ch = AI_IN0_ADC; ch < AD7124_CHANNEL_EN_MAX; ch++)
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{
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ad7124_get_analog(ch);
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}
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communication_reset_hart();
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osThreadResume(dac_taskHandle);
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vTaskDelay(10);
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//communication_reset_hart();
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//osThreadResume(dac_taskHandle);
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vTaskDelay(100);
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}
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/* USER CODE END start_adc_task */
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}
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@ -377,128 +380,146 @@ volatile uint16_t g_config_0 = 0; // 用于观察配置寄存器0
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volatile uint32_t g_filter_0 = 0; // 用于观察滤波器配置
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extern int32_t g_ad7124_id;
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void start_ad7124_test_task(const void *argument)
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{
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vTaskDelay(1000);
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// void start_ad7124_test_task(const void *argument)
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// {
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// vTaskDelay(1000);
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// 初始化AD7124
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ad7124_setup();
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vTaskDelay(100);
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// // 初始化AD7124
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// ad7124_setup();
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// vTaskDelay(100);
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while(1)
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{
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// 遍历所有启用的通道
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for(uint8_t ch = STOP_NC_ADC; ch < AD7124_CHANNEL_EN_MAX; ch++)
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{
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// 1. 将ADC设置为掉电模式
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ad7124_regs[AD7124_ADC_CONTROL].value = 0x0600; // Power-down mode
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ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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vTaskDelay(1);
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// while(1)
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// {
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// // 遍历所有启用的通道
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// for(uint8_t ch = STOP_NC_ADC; ch < AD7124_CHANNEL_EN_MAX; ch++)
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// {
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// // 1. 将ADC设置为掉电模式
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// ad7124_regs[AD7124_ADC_CONTROL].value = 0x0600; // Power-down mode
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// ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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// vTaskDelay(1);
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// 2. 配置当前通道
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ad7124_regs[AD7124_CHANNEL_0].value = ad7124_channel_regs[ch].value;
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ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0]);
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// // 2. 配置当前通道
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// ad7124_regs[AD7124_CHANNEL_0].value = ad7124_channel_regs[ch].value;
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// ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0]);
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// 3. 读取并保存通道配置状态
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ad7124_read_register(&ad7124_regs[AD7124_CHANNEL_0]);
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g_channel_config = ad7124_regs[AD7124_CHANNEL_0].value;
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// // 3. 读取并保存通道配置状态
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// ad7124_read_register(&ad7124_regs[AD7124_CHANNEL_0]);
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// g_channel_config = ad7124_regs[AD7124_CHANNEL_0].value;
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// 4. 设置为单次转换模式并启动转换
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ad7124_regs[AD7124_ADC_CONTROL].value = 0x0684; // Single conversion mode
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ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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// // 4. 设置为单次转换模式并启动转换
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// ad7124_regs[AD7124_ADC_CONTROL].value = 0x0684; // Single conversion mode
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// ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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// 5. 立即读取状态寄存器确认转换开始
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ad7124_read_register(&ad7124_regs[AD7124_STATUS]);
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g_channel_status = ad7124_regs[AD7124_STATUS].value;
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// // 5. 立即读取状态寄存器确认转换开始
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// ad7124_read_register(&ad7124_regs[AD7124_STATUS]);
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// g_channel_status = ad7124_regs[AD7124_STATUS].value;
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// 6. 等待转换完成
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uint16_t timeout = 1000;
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while(timeout--) {
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int32_t ret = ad7124_read_register(&ad7124_regs[AD7124_STATUS]);
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if(ret >= 0) {
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g_channel_status = ad7124_regs[AD7124_STATUS].value;
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if(!(g_channel_status & AD7124_STATUS_REG_RDY)) {
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// 转换完成，立即读取数据
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g_adc_data = ad7124_read_data();
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break;
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}
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}
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vTaskDelay(1);
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}
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// // 6. 等待转换完成
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// uint16_t timeout = 1000;
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// while(timeout--) {
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// int32_t ret = ad7124_read_register(&ad7124_regs[AD7124_STATUS]);
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// if(ret >= 0) {
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// g_channel_status = ad7124_regs[AD7124_STATUS].value;
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// if(!(g_channel_status & AD7124_STATUS_REG_RDY)) {
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// // 转换完成，立即读取数据
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// g_adc_data = ad7124_read_data();
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// break;
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// }
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// }
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// vTaskDelay(1);
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// }
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// 7. 读取错误寄存器检查是否有错误
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ad7124_read_register(&ad7124_regs[AD7124_ERROR]);
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g_adc_error = ad7124_regs[AD7124_ERROR].value;
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// // 7. 读取错误寄存器检查是否有错误
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// ad7124_read_register(&ad7124_regs[AD7124_ERROR]);
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// g_adc_error = ad7124_regs[AD7124_ERROR].value;
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// 8. 保存最终的控制寄存器状态
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ad7124_read_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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g_adc_control = ad7124_regs[AD7124_ADC_CONTROL].value;
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// // 8. 保存最终的控制寄存器状态
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// ad7124_read_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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// g_adc_control = ad7124_regs[AD7124_ADC_CONTROL].value;
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// 9. 如果发生错误，重置ADC
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if(g_adc_error != 0) {
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ad7124_reset();
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vTaskDelay(100);
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ad7124_setup();
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vTaskDelay(10);
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}
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// // 9. 如果发生错误，重置ADC
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// if(g_adc_error != 0) {
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// ad7124_reset();
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// vTaskDelay(100);
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// ad7124_setup();
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// vTaskDelay(10);
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// }
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// 10. 如果超时或出错，增加延时方便调试
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if(timeout == 0 || g_adc_error != 0) {
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vTaskDelay(100);
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}
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}
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// // 10. 如果超时或出错，增加延时方便调试
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// if(timeout == 0 || g_adc_error != 0) {
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// vTaskDelay(100);
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// }
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// }
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vTaskDelay(pdMS_TO_TICKS(10));
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}
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}
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// vTaskDelay(pdMS_TO_TICKS(10));
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// }
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// }
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/**
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* @brief Initialize AD7124 with multiple channels
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* @param sample_rate: Sample rate selection (2Hz to 1kHz)
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* @retval None
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*/
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void ad7124_multi_channel_init(uint8_t sample_rate)
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{
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// Reset AD7124
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ad7124_reset();
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vTaskDelay(pdMS_TO_TICKS(100)); // 复位后延时
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// void ad7124_multi_channel_init(uint8_t sample_rate)
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// {
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// // Reset AD7124
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// ad7124_reset();
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// vTaskDelay(pdMS_TO_TICKS(100)); // 复位后延时
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// 配置ADC控制寄存器
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ad7124_regs[AD7124_ADC_CONTROL].value =
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AD7124_ADC_CTRL_REG_DATA_STATUS | // Enable status register
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AD7124_ADC_CTRL_REG_CS_EN | // Enable chip select
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AD7124_ADC_CTRL_REG_REF_EN | // Enable internal reference
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AD7124_ADC_CTRL_REG_POWER_MODE(3); // Full power mode
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ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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// // 配置ADC控制寄存器
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// ad7124_regs[AD7124_ADC_CONTROL].value =
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// AD7124_ADC_CTRL_REG_DATA_STATUS | // Enable status register
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// AD7124_ADC_CTRL_REG_CS_EN | // Enable chip select
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// AD7124_ADC_CTRL_REG_REF_EN | // Enable internal reference
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// AD7124_ADC_CTRL_REG_POWER_MODE(3); // Full power mode
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// ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
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// 配置Setup 0
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ad7124_regs[AD7124_CONFIG_0].value =
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AD7124_CFG_REG_BIPOLAR | // Bipolar mode
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AD7124_CFG_REG_BURNOUT(0) | // Burnout current source off
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AD7124_CFG_REG_REF_BUFP | // Reference buffer positive enabled
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AD7124_CFG_REG_REF_BUFM | // Reference buffer negative enabled
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AD7124_CFG_REG_AIN_BUFP | // Enable positive input buffer
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AD7124_CFG_REG_AINN_BUFM | // Enable negative input buffer
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AD7124_CFG_REG_REF_SEL(2) | // Use internal reference
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AD7124_CFG_REG_PGA(0); // Gain = 1
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ad7124_write_register(&ad7124_regs[AD7124_CONFIG_0]);
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// // 配置Setup 0
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// ad7124_regs[AD7124_CONFIG_0].value =
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// AD7124_CFG_REG_BIPOLAR | // Bipolar mode
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// AD7124_CFG_REG_BURNOUT(0) | // Burnout current source off
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// AD7124_CFG_REG_REF_BUFP | // Reference buffer positive enabled
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// AD7124_CFG_REG_REF_BUFM | // Reference buffer negative enabled
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// AD7124_CFG_REG_AIN_BUFP | // Enable positive input buffer
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// AD7124_CFG_REG_AINN_BUFM | // Enable negative input buffer
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// AD7124_CFG_REG_REF_SEL(2) | // Use internal reference
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// AD7124_CFG_REG_PGA(0); // Gain = 1
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// ad7124_write_register(&ad7124_regs[AD7124_CONFIG_0]);
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// 初始禁用所有通道
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for(uint8_t ch = 0; ch < AD7124_CHANNEL_EN_MAX; ch++) {
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ad7124_regs[AD7124_CHANNEL_0 + ch].value = 0;
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ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0 + ch]);
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}
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// // 初始禁用所有通道
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// for(uint8_t ch = 0; ch < AD7124_CHANNEL_EN_MAX; ch++) {
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// ad7124_regs[AD7124_CHANNEL_0 + ch].value = 0;
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// ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0 + ch]);
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// }
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// 配置滤波器
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ad7124_regs[AD7124_FILTER_0].value =
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AD7124_FILT_REG_FILTER(0) | // SINC4 filter
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AD7124_FILT_REG_REJ60 | // Enable 60Hz rejection
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AD7124_FILT_REG_POST_FILTER(3) | // Post filter enabled
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AD7124_FILT_REG_FS(1); // Output data rate
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ad7124_write_register(&ad7124_regs[AD7124_FILTER_0]);
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}
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// // 配置滤波器
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// ad7124_regs[AD7124_FILTER_0].value =
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// AD7124_FILT_REG_FILTER(0) | // SINC4 filter
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// AD7124_FILT_REG_REJ60 | // Enable 60Hz rejection
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// AD7124_FILT_REG_POST_FILTER(3) | // Post filter enabled
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// AD7124_FILT_REG_FS(1); // Output data rate
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// ad7124_write_register(&ad7124_regs[AD7124_FILTER_0]);
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// }
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/* Private application code --------------------------------------------------*/
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/* USER CODE BEGIN Application */
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// void start_adc_task(void const *argument)
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// {
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// /* USER CODE BEGIN start_adc_task */
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// ad7124_setup();
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// /* Infinite loop */
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// for (;;)
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// {
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// osThreadSuspend(dac_taskHandle); // 暂停DAC任务，防止ADC采集时产生干<E7949F>????????,因为ADC和DAC采用的是同一路SPI，但是时序不<E5BA8F>????????
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// uint8_t ch = 0;
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// for (ch = STOP_NC_ADC; ch < AD7124_CHANNEL_EN_MAX; ch++)
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// {
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// ad7124_get_analog(ch);
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// }
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// communication_reset_hart();
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// osThreadResume(dac_taskHandle);
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// vTaskDelay(10);
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// }
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// /* USER CODE END start_adc_task */
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// }
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/* USER CODE END Application */
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@ -152,9 +152,9 @@
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<Bp>
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<Number>0</Number>
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<Type>0</Type>
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<LineNumber>147</LineNumber>
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@ -163,55 +163,7 @@
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<BreakIfRCount>1</BreakIfRCount>
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<Filename>..\User\driver\ad7124.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\semi_finished_product_testing\../User/driver/ad7124.c\147</Expression>
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<BreakByAccess>0</BreakByAccess>
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<BreakIfRCount>1</BreakIfRCount>
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<Filename>../Core/Src/freertos.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\semi_finished_product_testing\../Core/Src/freertos.c\439</Expression>
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<Filename>../Core/Src/freertos.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\semi_finished_product_testing\../Core/Src/freertos.c\422</Expression>
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<BreakIfRCount>1</BreakIfRCount>
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<Filename>../Core/Src/freertos.c</Filename>
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<ExecCommand></ExecCommand>
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<Expression>\\semi_finished_product_testing\../Core/Src/freertos.c\419</Expression>
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<Expression>\\semi_finished_product_testing\../User/driver/ad7124.c\401</Expression>
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</Bp>
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</Breakpoint>
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<WatchWindow1>
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@ -310,6 +262,16 @@
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<WinNumber>1</WinNumber>
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<ItemText>g_adc_control</ItemText>
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</Ww>
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<Ww>
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<count>19</count>
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<WinNumber>1</WinNumber>
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<ItemText>ad7124_analog[channel_nr]</ItemText>
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</Ww>
|
||||
<Ww>
|
||||
<count>20</count>
|
||||
<WinNumber>1</WinNumber>
|
||||
<ItemText>read_data,0x10</ItemText>
|
||||
</Ww>
|
||||
</WatchWindow1>
|
||||
<Tracepoint>
|
||||
<THDelay>0</THDelay>
|
||||
|
|
|
|||
|
|
@ -1,57 +0,0 @@
|
|||
<html>
|
||||
<body>
|
||||
<pre>
|
||||
<h1>µVision Build Log</h1>
|
||||
<h2>Tool Versions:</h2>
|
||||
IDE-Version: ¦ÌVision V5.36.0.0
|
||||
Copyright (C) 2021 ARM Ltd and ARM Germany GmbH. All rights reserved.
|
||||
License Information: 1 admin, 1, LIC=UJWP0-B9JWK-458T5-GZZVK-L22WW-E2L2W
|
||||
|
||||
Tool Versions:
|
||||
Toolchain: MDK-ARM Plus Version: 5.36.0.0
|
||||
Toolchain Path: C:\Keil_v5\ARM\ARMCC\Bin
|
||||
C Compiler: Armcc.exe V5.06 update 7 (build 960)
|
||||
Assembler: Armasm.exe V5.06 update 7 (build 960)
|
||||
Linker/Locator: ArmLink.exe V5.06 update 7 (build 960)
|
||||
Library Manager: ArmAr.exe V5.06 update 7 (build 960)
|
||||
Hex Converter: FromElf.exe V5.06 update 7 (build 960)
|
||||
CPU DLL: SARMCM3.DLL V5.36.0.0
|
||||
Dialog DLL: DCM.DLL V1.17.3.0
|
||||
Target DLL: STLink\ST-LINKIII-KEIL_SWO.dll V3.0.9.0
|
||||
Dialog DLL: TCM.DLL V1.53.0.0
|
||||
|
||||
<h2>Project:</h2>
|
||||
C:\Users\qiuxin.JS250402\Desktop\PCBA\controller_pcba_rtos\MDK-ARM\controller_pcba.uvprojx
|
||||
Project File Date: 05/14/2025
|
||||
|
||||
<h2>Output:</h2>
|
||||
*** Using Compiler 'V5.06 update 7 (build 960)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin'
|
||||
Build target 'controller_pcba'
|
||||
"semi-finished_product_testing\semi-finished_product_testing.axf" - 0 Error(s), 0 Warning(s).
|
||||
|
||||
<h2>Software Packages used:</h2>
|
||||
|
||||
Package Vendor: ARM
|
||||
http://www.keil.com/pack/ARM.CMSIS.5.8.0.pack
|
||||
ARM.CMSIS.5.8.0
|
||||
CMSIS (Common Microcontroller Software Interface Standard)
|
||||
* Component: CORE Version: 5.5.0
|
||||
|
||||
Package Vendor: Keil
|
||||
http://www.keil.com/pack/Keil.STM32F4xx_DFP.2.14.0.pack
|
||||
Keil.STM32F4xx_DFP.2.14.0
|
||||
STMicroelectronics STM32F4 Series Device Support, Drivers and Examples
|
||||
|
||||
<h2>Collection of Component include folders:</h2>
|
||||
.\RTE\_controller_pcba
|
||||
C:\Users\qiuxin.JS250402\AppData\Local\Arm\Packs\ARM\CMSIS\5.8.0\CMSIS\Core\Include
|
||||
C:\Users\qiuxin.JS250402\AppData\Local\Arm\Packs\Keil\STM32F4xx_DFP\2.14.0\Drivers\CMSIS\Device\ST\STM32F4xx\Include
|
||||
|
||||
<h2>Collection of Component Files used:</h2>
|
||||
|
||||
* Component: ARM::CMSIS:CORE:5.5.0
|
||||
Include file: CMSIS\Core\Include\tz_context.h
|
||||
Build Time Elapsed: 00:00:01
|
||||
</pre>
|
||||
</body>
|
||||
</html>
|
||||
|
|
@ -413,8 +413,7 @@ uint16_t handle_type_87(const uint8_t *body, uint16_t body_len, uint8_t *tx)
|
|||
{
|
||||
uint16_t total_len = 2 + 2 + 2 + 2 + 1 + 74 + 2; // 帧头+帧长+源+目标+类型+74字节输出读取+校验
|
||||
// 1. 读取ID寄存器
|
||||
ad7124_read_register(&ad7124_regs[AD7124_ID]);
|
||||
uint8_t id = (uint8_t)(ad7124_regs[AD7124_ID].value & 0xFF);
|
||||
|
||||
// 帧头
|
||||
tx[0] = head_00;
|
||||
tx[1] = head_01;
|
||||
|
|
@ -433,7 +432,7 @@ uint16_t total_len = 2 + 2 + 2 + 2 + 1 + 74 + 2; // 帧头+帧长+源+目标+类
|
|||
|
||||
// 报文类型
|
||||
tx[8] = reply_type;
|
||||
tx[9] = id;
|
||||
|
||||
// 7字节使能状态（直接复制 body 到 tx[9]~tx[15]）
|
||||
//memcpy(&tx[9], body, 74); // 确保 body 是74字节
|
||||
|
||||
|
|
|
|||
|
|
@ -1,19 +1,13 @@
|
|||
#include "ad7124.h"
|
||||
#include "user_spi.h"
|
||||
#include "usart.h"
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <string.h>
|
||||
/* Error codes */
|
||||
#define INVALID_VAL -1 /* Invalid argument */
|
||||
#define COMM_ERR -2 /* Communication error on receive */
|
||||
#define AD7124_TIMEOUT -3 /* A timeout has occured */
|
||||
int32_t FINESH_ID;
|
||||
int32_t g_ad7124_id;
|
||||
|
||||
// 配置ad7124寄存器的值，根据实际项目需求配置
|
||||
ad7124_st_reg_t ad7124_regs[AD7124_REG_NO] = {
|
||||
static ad7124_st_reg_t ad7124_regs[AD7124_REG_NO] = {
|
||||
{AD7124_STATUS, 0x00, AD7124_SIZE_1, AD7124_R}, /* AD7124_Status */
|
||||
{AD7124_ADC_CONTROL, 0x0680, AD7124_SIZE_2, AD7124_RW}, /* AD7124_ADC_Control - Enable reference, chip select, and data status */
|
||||
{AD7124_ADC_CONTROL, 0x0280, AD7124_SIZE_2, AD7124_RW}, /* AD7124_ADC_Control */
|
||||
{AD7124_DATA, 0x000000, AD7124_SIZE_3, AD7124_R}, /* AD7124_Data */
|
||||
{AD7124_IOCON1, 0x000000, AD7124_SIZE_3, AD7124_RW}, /* AD7124_IOCon1 */
|
||||
{AD7124_IOCON2, 0x0000, AD7124_SIZE_2, AD7124_RW}, /* AD7124_IOCon2 */
|
||||
|
|
@ -37,14 +31,14 @@ ad7124_st_reg_t ad7124_regs[AD7124_REG_NO] = {
|
|||
{AD7124_CHANNEL_13, 0x0001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_13 */
|
||||
{AD7124_CHANNEL_14, 0x0001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_14 */
|
||||
{AD7124_CHANNEL_15, 0x0001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_15 */
|
||||
{AD7124_CONFIG_0, 0x0DE0, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_0 - Enable buffers and internal reference */
|
||||
{AD7124_CONFIG_0, 0x00E0, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_0 - 单极性模式 */
|
||||
{AD7124_CONFIG_1, 0x0040, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_1 */
|
||||
{AD7124_CONFIG_2, 0x0860, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_2 */
|
||||
{AD7124_CONFIG_3, 0x0860, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_3 */
|
||||
{AD7124_CONFIG_4, 0x0860, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_4 */
|
||||
{AD7124_CONFIG_5, 0x0860, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_5 */
|
||||
{AD7124_CONFIG_6, 0x0860, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_6 */
|
||||
{AD7124_CONFIG_7, 0x0860, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_7 */
|
||||
{AD7124_CONFIG_2, 0x0060, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_2 - 单极性模式 */
|
||||
{AD7124_CONFIG_3, 0x0060, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_3 - 单极性模式 */
|
||||
{AD7124_CONFIG_4, 0x0060, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_4 - 单极性模式 */
|
||||
{AD7124_CONFIG_5, 0x0060, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_5 - 单极性模式 */
|
||||
{AD7124_CONFIG_6, 0x0060, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_6 - 单极性模式 */
|
||||
{AD7124_CONFIG_7, 0x0060, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Config_7 - 单极性模式 */
|
||||
{AD7124_FILTER_0, 0x060020, AD7124_SIZE_3, AD7124_RW}, /* AD7124_Filter_0 */
|
||||
{AD7124_FILTER_1, 0x060180, AD7124_SIZE_3, AD7124_RW}, /* AD7124_Filter_1 */
|
||||
{AD7124_FILTER_2, 0x060180, AD7124_SIZE_3, AD7124_RW}, /* AD7124_Filter_2 */
|
||||
|
|
@ -71,7 +65,7 @@ ad7124_st_reg_t ad7124_regs[AD7124_REG_NO] = {
|
|||
{AD7124_GAIN_7, 0x500000, AD7124_SIZE_3, AD7124_RW}, /* AD7124_Gain_7 */
|
||||
};
|
||||
|
||||
ad7124_st_reg_t ad7124_channel_regs[AD7124_CHANNEL_EN_MAX] = {
|
||||
static ad7124_st_reg_t ad7124_channel_regs[AD7124_CHANNEL_EN_MAX] = {
|
||||
{AD7124_CHANNEL_0, 0x8051, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_0 */
|
||||
{AD7124_CHANNEL_1, 0x8071, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_1 */
|
||||
{AD7124_CHANNEL_2, 0x8091, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_2 */
|
||||
|
|
@ -82,6 +76,12 @@ ad7124_st_reg_t ad7124_channel_regs[AD7124_CHANNEL_EN_MAX] = {
|
|||
{AD7124_CHANNEL_7, 0x8131, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_7 */
|
||||
{AD7124_CHANNEL_8, 0x8151, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_8 */
|
||||
{AD7124_CHANNEL_9, 0x8171, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_9 */
|
||||
{AD7124_CHANNEL_10, 0x8001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_10 */
|
||||
{AD7124_CHANNEL_11, 0x8001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_11 */
|
||||
{AD7124_CHANNEL_12, 0x8001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_12 */
|
||||
{AD7124_CHANNEL_13, 0x8001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_13 */
|
||||
{AD7124_CHANNEL_14, 0x8001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_14 */
|
||||
{AD7124_CHANNEL_15, 0x8001, AD7124_SIZE_2, AD7124_RW}, /* AD7124_Channel_15 */
|
||||
};
|
||||
|
||||
ad7124_analog_t ad7124_analog[AD7124_CHANNEL_EN_MAX] = {NULL}; // AD通道采样结构体数组，用于存放AD通道采样数据
|
||||
|
|
@ -98,54 +98,45 @@ int32_t ad7124_no_check_read_register(ad7124_st_reg_t *p_reg)
|
|||
{
|
||||
int32_t ret = 0;
|
||||
uint8_t buffer[8] = {0, 0, 0, 0, 0, 0, 0, 0};
|
||||
uint8_t i = 0;
|
||||
uint8_t add_status_length = 0;
|
||||
uint8_t i = 0; // 添加变量声明
|
||||
|
||||
// 构建命令字
|
||||
buffer[0] = AD7124_COMM_REG_RD | AD7124_COMM_REG_RA(p_reg->addr);
|
||||
|
||||
// 打印调试信息
|
||||
// char uart_buf[100];
|
||||
// sprintf(uart_buf, "Reading register 0x%02X, command: 0x%02X\r\n", p_reg->addr, buffer[0]);
|
||||
// HAL_UART_Transmit(&huart1, (uint8_t*)uart_buf, strlen(uart_buf), 100);
|
||||
/* Build the Command word */
|
||||
buffer[0] = AD7124_COMM_REG_WEN | AD7124_COMM_REG_RD |
|
||||
AD7124_COMM_REG_RA(p_reg->addr);
|
||||
|
||||
/*
|
||||
* If this is an AD7124_DATA register read, and the DATA_STATUS bit is set
|
||||
* in ADC_CONTROL, need to read 4, not 3 bytes for DATA with STATUS
|
||||
*/
|
||||
if ((p_reg->addr == AD7124_DATA) &&
|
||||
(ad7124_regs[AD7124_ADC_CONTROL].value & AD7124_ADC_CTRL_REG_DATA_STATUS))
|
||||
{
|
||||
add_status_length = 1;
|
||||
add_status_length = 1; // 此处是根据寄存器配置而决定,根据AD7124_ADC_CONTROL第10位决定
|
||||
}
|
||||
|
||||
// 从设备读取数据
|
||||
/* Read data from the device */
|
||||
ret = ad7124_read_write_spi(buffer, p_reg->size + 1 + add_status_length);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
// 解析数据（buffer[1]开始为有效数据）
|
||||
// if (p_reg->size == 1) {
|
||||
// p_reg->value = buffer[1];
|
||||
// } else if (p_reg->size == 2) {
|
||||
// p_reg->value = ((uint16_t)buffer[1] << 8) | buffer[2];
|
||||
// } else if (p_reg->size == 3) {
|
||||
// p_reg->value = ((uint32_t)buffer[1] << 16) | ((uint32_t)buffer[2] << 8) | buffer[3];
|
||||
// } else {
|
||||
// p_reg->value = 0;
|
||||
// }
|
||||
p_reg->value = 0;
|
||||
for (i = 1; i < p_reg->size + 1; i++)
|
||||
{
|
||||
p_reg->value <<= 8;
|
||||
p_reg->value += buffer[i];
|
||||
}
|
||||
|
||||
/*
|
||||
* if reading Data with 4 bytes, need to copy the status byte to the STATUS
|
||||
* register struct value member
|
||||
*/
|
||||
if (add_status_length)
|
||||
{
|
||||
ad7124_regs[AD7124_STATUS].value = buffer[p_reg->size + 1];
|
||||
}
|
||||
|
||||
// 仅用于调试：如果是ID寄存器，赋值到全局变量
|
||||
if (p_reg->addr == AD7124_ID) {
|
||||
g_ad7124_id = p_reg->value;
|
||||
/* Build the result */
|
||||
p_reg->value = 0;
|
||||
for (i = 1; i < p_reg->size + 1; i++)
|
||||
{
|
||||
p_reg->value <<= 8;
|
||||
p_reg->value += buffer[i];
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -178,7 +169,7 @@ int32_t ad7124_no_check_write_register(ad7124_st_reg_t *reg)
|
|||
|
||||
/* Write data to the device */
|
||||
ret = ad7124_read_write_spi(wr_buf, reg->size + 1);
|
||||
FINESH_ID = ret;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
|
@ -197,17 +188,13 @@ int32_t ad7124_read_register(ad7124_st_reg_t *p_reg)
|
|||
{
|
||||
int32_t ret;
|
||||
|
||||
// 检查寄存器地址是否不是错误地址，并且检查ERROR寄存器的SPI_IGNORE_ERR位是否被设置
|
||||
if (p_reg->addr != AD7124_ERROR && (ad7124_regs[AD7124_ERROR_EN].value & AD7124_ERREN_REG_SPI_IGNORE_ERR_EN))
|
||||
{
|
||||
// 读寄存器之前检查ERROR寄存器的SPI_IGNORE_ERR位
|
||||
ret = ad7124_wait_for_spi_ready(AD7124_RDY);
|
||||
ret = ad7124_wait_for_spi_ready(AD7124_RDY); // 读寄存器之前检查ERROR寄存器的SPI_IGNORE_ERR位
|
||||
|
||||
// 如果等待SPI就绪失败，则返回错误码
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
// 不检查ERROR寄存器的SPI_IGNORE_ERR位，直接读取寄存器
|
||||
ret = ad7124_no_check_read_register(p_reg);
|
||||
|
||||
return ret;
|
||||
|
|
@ -352,7 +339,7 @@ int32_t ad7124_read_data(void)
|
|||
{
|
||||
int32_t read_data;
|
||||
/* Read the value of the Status Register */
|
||||
ad7124_read_register(&ad7124_regs[AD7124_DATA]);//读取数据寄存器
|
||||
ad7124_read_register(&ad7124_regs[AD7124_DATA]);
|
||||
/* Get the read result */
|
||||
read_data = ad7124_regs[AD7124_DATA].value;
|
||||
|
||||
|
|
@ -402,32 +389,22 @@ int32_t ad7124_read_data(void)
|
|||
void ad7124_get_analog(uint8_t channel_nr)
|
||||
{
|
||||
int32_t read_data;
|
||||
|
||||
// 设置AD7124寄存器，选择指定通道
|
||||
// for (i = STOP_NC_ADC; i < AD7124_CHANNEL_EN_MAX; i++)
|
||||
// {
|
||||
ad7124_regs[AD7124_CHANNEL_0].value = ad7124_channel_regs[channel_nr].value;
|
||||
ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0]);
|
||||
// 保存当前通道的配置
|
||||
ad7124_regs[AD7124_CHANNEL_0 + channel_nr].value = ad7124_channel_regs[channel_nr].value;
|
||||
ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0 + channel_nr]);
|
||||
|
||||
// 等待转换完成
|
||||
while (ad7124_wait_for_conv_ready(AD7124_RDY))
|
||||
; // 等待转换完成
|
||||
|
||||
// 存储读取的模拟数据
|
||||
while (ad7124_wait_for_conv_ready(AD7124_RDY)); // 等待转换完成
|
||||
ad7124_analog[channel_nr].channel = channel_nr;
|
||||
read_data = ad7124_read_data();
|
||||
ad7124_analog[channel_nr].data = read_data;
|
||||
ad7124_analog[channel_nr].voltage = (float)(read_data * VREF / GAIN / AD_CODE); // AD7124单极性计算公式：Code = (0xFFFFFF × AIN × Gain)/VREF
|
||||
//ad7124_analog[channel_nr].current = (float)(ad7124_analog[channel_nr].voltage / AD7124_RES * 1000); // 乘1000是为了将单位转换为mA
|
||||
|
||||
// 计算电压值
|
||||
// AD7124单极性计算公式：Code = (0xFFFFFF × AIN × Gain)/VREF
|
||||
ad7124_analog[channel_nr].voltage = (float)(read_data * VREF / GAIN / AD_CODE);
|
||||
|
||||
// 计算电流值，乘1000是为了将单位转换为mA
|
||||
ad7124_analog[channel_nr].current = (float)(ad7124_analog[channel_nr].voltage / AD7124_RES * 1000);
|
||||
|
||||
// 恢复通道0寄存器为默认值
|
||||
ad7124_regs[AD7124_CHANNEL_0].value = 0;
|
||||
ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0]);
|
||||
// 关闭当前使用的通道
|
||||
ad7124_regs[AD7124_CHANNEL_0 + channel_nr].value = 0;
|
||||
ad7124_write_register(&ad7124_regs[AD7124_CHANNEL_0 + channel_nr]);
|
||||
// }
|
||||
}
|
||||
/**
|
||||
|
|
@ -441,85 +418,45 @@ int32_t ad7124_setup(void)
|
|||
{
|
||||
int32_t ret;
|
||||
uint8_t reg_nr;
|
||||
|
||||
// Initialize SPI
|
||||
board_spi_init(AD7124);
|
||||
HAL_Delay(10); // Wait for SPI to stabilize
|
||||
|
||||
// Reset device
|
||||
// board_spi_init(AD7124); // 初始化SPI,因为DAC161的SPI要和AD7124共用，并且时序不一样，所以要先初始化SPI接口。
|
||||
/* Reset the device interface.*/
|
||||
ret = ad7124_reset();
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
HAL_Delay(10);
|
||||
ad7124_read_register(&ad7124_regs[AD7124_ID]);//查看AD7124的ID寄存器，确认是否连接正确
|
||||
|
||||
// Wait after reset
|
||||
HAL_Delay(100);
|
||||
|
||||
// Wait for power-on
|
||||
ret = ad7124_wait_to_power_on(AD7124_RDY);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
// Read and verify ID register
|
||||
ret = ad7124_read_register(&ad7124_regs[AD7124_ID]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
if ((ad7124_regs[AD7124_ID].value & 0xF0) != 0x40) {
|
||||
return COMM_ERR; // Invalid ID
|
||||
}
|
||||
|
||||
// Initialize registers in sequence
|
||||
// First ADC Control register - Set to standby mode initially
|
||||
ad7124_regs[AD7124_ADC_CONTROL].value =
|
||||
AD7124_ADC_CTRL_REG_POWER_MODE(3) | // Full power mode
|
||||
AD7124_ADC_CTRL_REG_CS_EN | // Enable chip select
|
||||
AD7124_ADC_CTRL_REG_DATA_STATUS | // Enable status register
|
||||
AD7124_ADC_CTRL_REG_REF_EN | // Enable reference
|
||||
AD7124_ADC_CTRL_REG_MODE(0); // Continuous conversion mode initially
|
||||
|
||||
ret = ad7124_write_register(&ad7124_regs[AD7124_ADC_CONTROL]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
// Then Configuration registers
|
||||
ad7124_regs[AD7124_CONFIG_0].value =
|
||||
AD7124_CFG_REG_BIPOLAR | // Bipolar mode
|
||||
AD7124_CFG_REG_REF_BUFP | // Reference buffer positive enabled
|
||||
AD7124_CFG_REG_REF_BUFM | // Reference buffer negative enabled
|
||||
AD7124_CFG_REG_AIN_BUFP | // Enable positive input buffer
|
||||
AD7124_CFG_REG_AINN_BUFM | // Enable negative input buffer
|
||||
AD7124_CFG_REG_REF_SEL(2) | // Use internal reference
|
||||
AD7124_CFG_REG_PGA(0); // Gain = 1
|
||||
|
||||
ret = ad7124_write_register(&ad7124_regs[AD7124_CONFIG_0]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
// Then Filter registers - Set for 50Hz rejection
|
||||
ad7124_regs[AD7124_FILTER_0].value =
|
||||
AD7124_FILT_REG_FILTER(0) | // SINC4 filter
|
||||
AD7124_FILT_REG_REJ60 | // Enable 60Hz rejection
|
||||
AD7124_FILT_REG_POST_FILTER(3) | // Post filter enabled
|
||||
AD7124_FILT_REG_FS(1); // Output data rate
|
||||
|
||||
ret = ad7124_write_register(&ad7124_regs[AD7124_FILTER_0]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
// Initialize all channels to disabled state
|
||||
for(reg_nr = AD7124_CHANNEL_0; reg_nr <= AD7124_CHANNEL_15; reg_nr++) {
|
||||
ad7124_regs[reg_nr].value = 0x0000; // Disable channel
|
||||
// 关闭所有通道
|
||||
for (reg_nr = AD7124_CHANNEL_0; reg_nr <= AD7124_CHANNEL_15; reg_nr++)
|
||||
{
|
||||
ad7124_regs[reg_nr].value = 0; // 将通道寄存器值设为0，关闭通道
|
||||
ret = ad7124_write_register(&ad7124_regs[reg_nr]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
}
|
||||
|
||||
// Verify ADC Control register
|
||||
ret = ad7124_read_register(&ad7124_regs[AD7124_ADC_CONTROL]);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
return 0;
|
||||
// 设置配置寄存器为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_0].value = 0x00E0; // 清除bit 11，设置为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_2].value = 0x0060; // 清除bit 11，设置为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_3].value = 0x0060; // 清除bit 11，设置为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_4].value = 0x0060; // 清除bit 11，设置为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_5].value = 0x0060; // 清除bit 11，设置为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_6].value = 0x0060; // 清除bit 11，设置为单极性模式
|
||||
ad7124_regs[AD7124_CONFIG_7].value = 0x0060; // 清除bit 11，设置为单极性模式
|
||||
|
||||
/* Initialize registers AD7124_ADC_Control through AD7124_Filter_7. */
|
||||
for (reg_nr = AD7124_STATUS; reg_nr < AD7124_OFFSET_0; reg_nr++) // 对ad7124的可写寄存器进行配置，不包括只读寄存器
|
||||
{
|
||||
if (ad7124_regs[reg_nr].rw == AD7124_RW)// 只写寄存器才进行写入操作
|
||||
{
|
||||
ret = ad7124_write_register(&ad7124_regs[reg_nr]);// 先写入寄存器值
|
||||
ret = ad7124_read_register(&ad7124_regs[reg_nr]); // 读取寄存器值
|
||||
if (ret < 0)
|
||||
break;
|
||||
}
|
||||
}
|
||||
HAL_GPIO_WritePin(AD7124_SYNC_GPIO_Port, AD7124_SYNC_Pin, GPIO_PIN_SET); // AD7124同步信号一直高电平状态
|
||||
return ret;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -535,30 +472,9 @@ int32_t ad7124_setup(void)
|
|||
int32_t ad7124_read_write_spi(uint8_t *buff, uint8_t length)
|
||||
{
|
||||
int32_t ret;
|
||||
|
||||
// 确保CS信号在传输前是高的
|
||||
board_spi_cs_off(AD7124);
|
||||
HAL_Delay(1); // 添加短暂延时
|
||||
|
||||
// 确保SPI配置正确
|
||||
board_spi_init(AD7124);
|
||||
|
||||
// 拉低CS开始传输
|
||||
board_spi_init(AD7124); // 初始化SPI,因为DAC161的SPI要和AD7124共用，并且时序不一样，所以要先初始化SPI接口。
|
||||
board_spi_cs_on(AD7124);
|
||||
HAL_Delay(1); // 添加短暂延时
|
||||
|
||||
// 执行SPI传输
|
||||
ret = spi_transmit_receive(&hspi2, buff, length);
|
||||
|
||||
// 等待最后一个字节传输完成
|
||||
HAL_Delay(1);
|
||||
|
||||
// 拉高CS结束传输
|
||||
ret = spi_transmit_receive(&hspi1, buff, length);
|
||||
board_spi_cs_off(AD7124);
|
||||
HAL_Delay(1); // 确保CS保持高电平足够长时间
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
// 修改SPI初始化函数
|
||||
|
||||
|
|
|
|||
|
|
@ -6,28 +6,14 @@
|
|||
/******************************************************************************/
|
||||
#include "main.h"
|
||||
#include "user_spi.h"
|
||||
|
||||
/******************************************************************************/
|
||||
/******************* Register map and register definitions ********************/
|
||||
/******************************************************************************/
|
||||
|
||||
// 常量定义
|
||||
#define AD7124_CRC8_POLYNOMIAL_REPRESENTATION 0x07 /* x8 + x2 + x + 1 */
|
||||
#define AD7124_DISABLE_CRC 0
|
||||
#define AD7124_USE_CRC 1
|
||||
#define AD7124_RDY 10000
|
||||
#define AD7124_RES 100
|
||||
#define VREF 2.5f
|
||||
#define GAIN 1
|
||||
#define AD_CODE 0XFFFFFF
|
||||
|
||||
//#define AD7124_4 0x00
|
||||
#define AD7124_8 0x01
|
||||
|
||||
/* Communication Register bits */
|
||||
#define AD7124_COMM_REG_WEN (0 << 7)
|
||||
#define AD7124_COMM_REG_WR (0 << 6)
|
||||
#define AD7124_COMM_REG_RD (1 << 6) //0x40
|
||||
#define AD7124_COMM_REG_RD (1 << 6)
|
||||
#define AD7124_COMM_REG_RA(x) ((x) & 0x3F)
|
||||
|
||||
/* Status Register bits */
|
||||
|
|
@ -151,7 +137,6 @@
|
|||
|
||||
/* Configuration Registers 0-7 bits */
|
||||
#define AD7124_CFG_REG_BIPOLAR (1 << 11)
|
||||
#define AD7124_CFG_REG_UNIPOLAR (0 << 11) // 单极性
|
||||
#define AD7124_CFG_REG_BURNOUT(x) (((x) & 0x3) << 9)
|
||||
#define AD7124_CFG_REG_REF_BUFP (1 << 8)
|
||||
#define AD7124_CFG_REG_REF_BUFM (1 << 7)
|
||||
|
|
@ -174,127 +159,159 @@
|
|||
/*! AD7124 registers list*/
|
||||
typedef enum
|
||||
{
|
||||
AD7124_STATUS = 0X00,//状态寄存器
|
||||
AD7124_ADC_CONTROL,//ADC控制寄存器
|
||||
AD7124_DATA,//数据寄存器
|
||||
AD7124_IOCON1,//IO控制寄存器1
|
||||
AD7124_IOCON2,//IO控制寄存器2
|
||||
AD7124_ID,//ID寄存器
|
||||
AD7124_ERROR,//错误寄存器
|
||||
AD7124_ERROR_EN,//错误使能寄存器
|
||||
AD7124_MCLK_COUNT,//MCLK计数寄存器
|
||||
AD7124_CHANNEL_0,//通道0
|
||||
AD7124_CHANNEL_1,//通道1
|
||||
AD7124_CHANNEL_2,//通道2
|
||||
AD7124_CHANNEL_3,//通道3
|
||||
AD7124_CHANNEL_4,//通道4
|
||||
AD7124_CHANNEL_5,//通道5
|
||||
AD7124_CHANNEL_6,//通道6
|
||||
AD7124_CHANNEL_7,//通道7
|
||||
AD7124_CHANNEL_8,//通道8
|
||||
AD7124_CHANNEL_9,//通道9
|
||||
AD7124_CHANNEL_10,//通道10
|
||||
AD7124_CHANNEL_11,//通道11
|
||||
AD7124_CHANNEL_12,//通道12
|
||||
AD7124_CHANNEL_13,//通道13
|
||||
AD7124_CHANNEL_14,//通道14
|
||||
AD7124_CHANNEL_15,//通道15
|
||||
AD7124_CONFIG_0,//配置寄存器0
|
||||
AD7124_CONFIG_1,//配置寄存器1
|
||||
AD7124_CONFIG_2,//配置寄存器2
|
||||
AD7124_CONFIG_3,//配置寄存器3
|
||||
AD7124_CONFIG_4,//配置寄存器4
|
||||
AD7124_CONFIG_5,//配置寄存器5
|
||||
AD7124_CONFIG_6,//配置寄存器6
|
||||
AD7124_CONFIG_7,//配置寄存器7
|
||||
AD7124_FILTER_0,//滤波寄存器0
|
||||
AD7124_FILTER_1,//滤波寄存器1
|
||||
AD7124_FILTER_2,//滤波寄存器2
|
||||
AD7124_FILTER_3,//滤波寄存器3
|
||||
AD7124_FILTER_4,//滤波寄存器4
|
||||
AD7124_FILTER_5,//滤波寄存器5
|
||||
AD7124_FILTER_6,//滤波寄存器6
|
||||
AD7124_FILTER_7,//滤波寄存器7
|
||||
AD7124_OFFSET_0,//偏移寄存器0
|
||||
AD7124_OFFSET_1,//偏移寄存器1
|
||||
AD7124_OFFSET_2,//偏移寄存器2
|
||||
AD7124_OFFSET_3,//偏移寄存器3
|
||||
AD7124_OFFSET_4,//偏移寄存器4
|
||||
AD7124_OFFSET_5,//偏移寄存器5
|
||||
AD7124_OFFSET_6,//偏移寄存器6
|
||||
AD7124_OFFSET_7,//偏移寄存器7
|
||||
AD7124_GAIN_0,//增益寄存器0
|
||||
AD7124_GAIN_1,//增益寄存器1
|
||||
AD7124_GAIN_2,//增益寄存器2
|
||||
AD7124_GAIN_3,//增益寄存器3
|
||||
AD7124_GAIN_4,//增益寄存器4
|
||||
AD7124_GAIN_5,//增益寄存器5
|
||||
AD7124_GAIN_6,//增益寄存器6
|
||||
AD7124_GAIN_7,//增益寄存器7
|
||||
AD7124_REG_NO//寄存器数量
|
||||
} ad7124_registers_addr_e;
|
||||
|
||||
AD7124_STATUS = 0X00, // 只读的状态寄存器，读取芯片状态
|
||||
AD7124_ADC_CONTROL, // 控制寄存器，设置采样速率等
|
||||
AD7124_DATA, // 数据寄存器，读取采样数据
|
||||
AD7124_IOCON1, // 设置激励电流等参数，用作RTD测试时可用
|
||||
AD7124_IOCON2, // 使能偏置电压
|
||||
AD7124_ID, // ID寄存器，部分芯片的ID和手册上有所区别，可用此寄存器测试SPI通讯
|
||||
AD7124_ERROR, // 错误寄存器，读取错误信息，读写寄存器之前先读下该寄存器，检测芯片状态是否支持读写
|
||||
AD7124_ERROR_EN, // 通过使能该寄存器的相应位来使能或者禁用诊断功能
|
||||
AD7124_MCLK_COUNT, // 监控主时钟频率
|
||||
AD7124_CHANNEL_0, // 设置AD采样通道和所需要的配置，其中的Setup位决定了采用哪种Config、Filter、Offset、Gain寄存器的配置；共有八种配置
|
||||
AD7124_CHANNEL_1, // 通道寄存器的顺序并不是从AI0引脚读到最后一个引脚，而是通过自己的设置来决定顺序
|
||||
AD7124_CHANNEL_2,
|
||||
AD7124_CHANNEL_3,
|
||||
AD7124_CHANNEL_4,
|
||||
AD7124_CHANNEL_5,
|
||||
AD7124_CHANNEL_6,
|
||||
AD7124_CHANNEL_7,
|
||||
AD7124_CHANNEL_8,
|
||||
AD7124_CHANNEL_9,
|
||||
AD7124_CHANNEL_10,
|
||||
AD7124_CHANNEL_11,
|
||||
AD7124_CHANNEL_12,
|
||||
AD7124_CHANNEL_13,
|
||||
AD7124_CHANNEL_14,
|
||||
AD7124_CHANNEL_15,
|
||||
AD7124_CONFIG_0, // 配置极性，增益，基准选择等参数
|
||||
AD7124_CONFIG_1,
|
||||
AD7124_CONFIG_2,
|
||||
AD7124_CONFIG_3,
|
||||
AD7124_CONFIG_4,
|
||||
AD7124_CONFIG_5,
|
||||
AD7124_CONFIG_6,
|
||||
AD7124_CONFIG_7,
|
||||
AD7124_FILTER_0,
|
||||
AD7124_FILTER_1, // 配置滤波器
|
||||
AD7124_FILTER_2,
|
||||
AD7124_FILTER_3,
|
||||
AD7124_FILTER_4,
|
||||
AD7124_FILTER_5,
|
||||
AD7124_FILTER_6,
|
||||
AD7124_FILTER_7,
|
||||
AD7124_OFFSET_0,
|
||||
AD7124_OFFSET_1,
|
||||
AD7124_OFFSET_2,
|
||||
AD7124_OFFSET_3,
|
||||
AD7124_OFFSET_4,
|
||||
AD7124_OFFSET_5,
|
||||
AD7124_OFFSET_6,
|
||||
AD7124_OFFSET_7,
|
||||
AD7124_GAIN_0,
|
||||
AD7124_GAIN_1,
|
||||
AD7124_GAIN_2,
|
||||
AD7124_GAIN_3,
|
||||
AD7124_GAIN_4,
|
||||
AD7124_GAIN_5,
|
||||
AD7124_GAIN_6,
|
||||
AD7124_GAIN_7,
|
||||
AD7124_REG_NO
|
||||
} ad7124_registers_addr_e; // 寄存器地址
|
||||
typedef enum
|
||||
{
|
||||
|
||||
AD7124_SIZE_1 = 1,
|
||||
AD7124_SIZE_2 = 2,
|
||||
AD7124_SIZE_3 = 3,
|
||||
} ad7124_registers_size_e;
|
||||
|
||||
} ad7124_registers_size_e; // 寄存器字节大小
|
||||
typedef enum
|
||||
{
|
||||
AD7124_RW = 1,//读写
|
||||
AD7124_R = 2,//读
|
||||
AD7124_W = 3,//写
|
||||
} ad7124_registers_rw_e;
|
||||
AD7124_RW = 1,
|
||||
AD7124_R = 2,
|
||||
AD7124_W = 3,
|
||||
} ad7124_registers_rw_e; // 寄存器读写操作
|
||||
|
||||
typedef struct
|
||||
{
|
||||
int addr;
|
||||
int value;
|
||||
int size;
|
||||
int rw;
|
||||
} ad7124_st_reg_t;
|
||||
int addr; // 寄存器地址，ad7124_registers_e
|
||||
int value; // 寄存器值
|
||||
int size; // 寄存器字节大小
|
||||
int rw; // 寄存器可执行的操作，ad7124_registers_rw_e
|
||||
} ad7124_st_reg_t; // AD7124寄存器结构体
|
||||
|
||||
typedef enum
|
||||
{
|
||||
STOP_NC_ADC = 0,
|
||||
STOP_NO_ADC,
|
||||
AI_IN1_ADC,
|
||||
AI_IN2_ADC,
|
||||
P1_DI2_ADC,
|
||||
P1_DI1_ADC,
|
||||
P1_AI_ADC,
|
||||
P2_DI2_ADC,
|
||||
P2_DI1_ADC,
|
||||
P2_AI_ADC,
|
||||
|
||||
AI_IN0_ADC = 0, // AD7124_CHANNEL_EN_0
|
||||
AI_IN1_ADC, // AD7124_CHANNEL_EN_1
|
||||
AI_IN2_ADC, // AD7124_CHANNEL_EN_2
|
||||
AI_IN3_ADC, // AD7124_CHANNEL_EN_3
|
||||
AI_IN4_ADC, // AD7124_CHANNEL_EN_4
|
||||
AI_IN5_ADC, // AD7124_CHANNEL_EN_5
|
||||
AI_IN6_ADC, // AD7124_CHANNEL_EN_6
|
||||
AI_IN7_ADC, // AD7124_CHANNEL_EN_7
|
||||
AI_IN8_ADC, // AD7124_CHANNEL_EN_8
|
||||
AI_IN9_ADC, // AD7124_CHANNEL_EN_9
|
||||
AI_IN10_ADC, // AD7124_CHANNEL_EN_10
|
||||
AI_IN11_ADC, // AD7124_CHANNEL_EN_11
|
||||
AI_IN12_ADC, // AD7124_CHANNEL_EN_12
|
||||
AI_IN13_ADC, // AD7124_CHANNEL_EN_13
|
||||
AI_IN14_ADC, // AD7124_CHANNEL_EN_14
|
||||
AI_IN15_ADC, // AD7124_CHANNEL_EN_15
|
||||
AD7124_CHANNEL_EN_MAX,
|
||||
} ad7124_channel_e;
|
||||
} ad7124_channel_e; // 该项目所使用的通道
|
||||
|
||||
typedef struct
|
||||
{
|
||||
uint8_t channel;
|
||||
int32_t data;
|
||||
float voltage;
|
||||
float current;
|
||||
} ad7124_analog_t;
|
||||
int32_t data; // 采样数据
|
||||
float voltage; // 电压值
|
||||
float current; // 电流值
|
||||
} ad7124_analog_t; // 采样数据结构体
|
||||
|
||||
// 声明外部变量
|
||||
extern ad7124_st_reg_t ad7124_regs[AD7124_REG_NO];
|
||||
extern ad7124_st_reg_t ad7124_channel_regs[AD7124_CHANNEL_EN_MAX];
|
||||
extern int32_t g_ad7124_id;
|
||||
// 函数声明
|
||||
int32_t ad7124_read_register(ad7124_st_reg_t *p_reg);//读取寄存器
|
||||
int32_t ad7124_write_register(ad7124_st_reg_t *reg);//写入寄存器
|
||||
int32_t ad7124_no_check_read_register(ad7124_st_reg_t *p_reg);//不检查读取寄存器
|
||||
int32_t ad7124_no_check_write_register(ad7124_st_reg_t *reg);//不检查写入寄存器
|
||||
int32_t ad7124_reset(void);//复位
|
||||
int32_t ad7124_wait_for_spi_ready(uint32_t timeout);//等待SPI准备好
|
||||
int32_t ad7124_wait_to_power_on(uint32_t timeout);//等待电源开启
|
||||
int32_t ad7124_wait_for_conv_ready(uint32_t timeout);//等待转换准备好
|
||||
int32_t ad7124_read_data(void);//读取数据
|
||||
void ad7124_get_analog(uint8_t channel_nr);//获取模拟量
|
||||
int32_t ad7124_setup(void);//设置
|
||||
int32_t ad7124_read_write_spi(uint8_t *buff, uint8_t length);//读写SPI
|
||||
#define AD7124_CRC8_POLYNOMIAL_REPRESENTATION 0x07 /* x8 + x2 + x + 1 */
|
||||
#define AD7124_DISABLE_CRC 0 // 默认关闭校验
|
||||
#define AD7124_USE_CRC 1
|
||||
|
||||
#endif /* __AD7124_H */
|
||||
#define AD7124_RDY 10000 // 等待时间
|
||||
|
||||
#define AD7124_RES 100 // 采样基准电阻
|
||||
#define VREF 2.5f // 基准电压
|
||||
#define GAIN 1 // 增益，该值和配置寄存器有关
|
||||
//#define AD_CODE 0XFFFFFF // 24位ADC
|
||||
#define AD_CODE 0X7FFFFF // 23位ADC
|
||||
|
||||
/*! Reads the value of the specified register. */
|
||||
int32_t ad7124_read_register(ad7124_st_reg_t *p_reg); // 读寄存器
|
||||
|
||||
/*! Writes the value of the specified register. */
|
||||
int32_t ad7124_write_register(ad7124_st_reg_t *reg); // 写寄存器
|
||||
|
||||
/*! Reads the value of the specified register without a device state check. */
|
||||
int32_t ad7124_no_check_read_register(ad7124_st_reg_t *p_reg);
|
||||
|
||||
/*! Writes the value of the specified register without a device state check. */
|
||||
int32_t ad7124_no_check_write_register(ad7124_st_reg_t *reg);
|
||||
|
||||
/*! Resets the device. */
|
||||
int32_t ad7124_reset(void); // 复位ad7124芯片
|
||||
|
||||
/*! Waits until the device can accept read and write user actions. */
|
||||
int32_t ad7124_wait_for_spi_ready(uint32_t timeout); // 读取ad7124芯片状态，直到可以执行读写操作
|
||||
|
||||
/*! Waits until the device finishes the power-on reset operation. */
|
||||
int32_t ad7124_wait_to_power_on(uint32_t timeout);
|
||||
|
||||
/*! Waits until a new conversion result is available. */
|
||||
int32_t ad7124_wait_for_conv_ready(uint32_t timeout); // 等待转换完成
|
||||
|
||||
/*! Reads the conversion result from the device. */
|
||||
int32_t ad7124_read_data(void);
|
||||
void ad7124_get_analog(uint8_t channel_nr);
|
||||
/*! Initializes the AD7124. */
|
||||
int32_t ad7124_setup(void);
|
||||
|
||||
int32_t ad7124_read_write_spi(uint8_t *buff, uint8_t length);
|
||||
|
||||
#endif /* __AD7124_H__ */
|
||||
|
|
|
|||
|
|
@ -31,7 +31,7 @@ void ad7124_spi_init(void)
|
|||
hspi2.Init.CLKPolarity = SPI_POLARITY_HIGH; // CPOL = 1
|
||||
hspi2.Init.CLKPhase = SPI_PHASE_2EDGE; // CPHA = 1
|
||||
hspi2.Init.NSS = SPI_NSS_SOFT;
|
||||
hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64; // 降低速度以确保稳定性
|
||||
hspi2.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256; // 降低速度以确保稳定性
|
||||
hspi2.Init.FirstBit = SPI_FIRSTBIT_MSB;
|
||||
hspi2.Init.TIMode = SPI_TIMODE_DISABLE;
|
||||
hspi2.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
|
||||
|
|
|
|||
Loading…
Reference in New Issue