写一个HC32芯片的8路温度测量代码
时间: 2024-03-12 10:45:04 浏览: 13
好的,以下是一个简单的基于HC32芯片的8路温度测量代码示例,仅供参考:
```c
#include "hc32_gpio.h"
#include "hc32_adc.h"
#define ADC_UNIT ADC_UNIT0
#define ADC_SAADC_CHANNEL_COUNT 8U
#define ADC_SAADC_CHANNEL_AN00 ((uint8_t) 0U)
#define ADC_SAADC_CHANNEL_AN01 ((uint8_t) 1U)
#define ADC_SAADC_CHANNEL_AN02 ((uint8_t) 2U)
#define ADC_SAADC_CHANNEL_AN03 ((uint8_t) 3U)
#define ADC_SAADC_CHANNEL_AN04 ((uint8_t) 4U)
#define ADC_SAADC_CHANNEL_AN05 ((uint8_t) 5U)
#define ADC_SAADC_CHANNEL_AN06 ((uint8_t) 6U)
#define ADC_SAADC_CHANNEL_AN07 ((uint8_t) 7U)
#define ADC_SAADC_CHANNEL_AN00_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN00)
#define ADC_SAADC_CHANNEL_AN01_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN01)
#define ADC_SAADC_CHANNEL_AN02_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN02)
#define ADC_SAADC_CHANNEL_AN03_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN03)
#define ADC_SAADC_CHANNEL_AN04_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN04)
#define ADC_SAADC_CHANNEL_AN05_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN05)
#define ADC_SAADC_CHANNEL_AN06_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN06)
#define ADC_SAADC_CHANNEL_AN07_MSK ((uint8_t) 1U << ADC_SAADC_CHANNEL_AN07)
#define ADC_SAADC_CHANNEL_MASK (ADC_SAADC_CHANNEL_AN00_MSK | ADC_SAADC_CHANNEL_AN01_MSK | \
ADC_SAADC_CHANNEL_AN02_MSK | ADC_SAADC_CHANNEL_AN03_MSK | \
ADC_SAADC_CHANNEL_AN04_MSK | ADC_SAADC_CHANNEL_AN05_MSK | \
ADC_SAADC_CHANNEL_AN06_MSK | ADC_SAADC_CHANNEL_AN07_MSK)
#define ADC_SAADC_SCAN_MODE (ADC_SAADC_SCAN_MODE_GROUPB | ADC_SAADC_SCAN_MODE_ENABLE | \
ADC_SAADC_SCAN_MODE_REPEAT | ADC_SAADC_SCAN_MODE_FIFO_DISABLE | \
ADC_SAADC_SCAN_MODE_FIFO_OVERWRITE)
static uint16_t u16AdcSaAdcValue[ADC_SAADC_CHANNEL_COUNT];
int main(void)
{
stc_gpio_config_t stcGpioCfg;
stc_adc_config_t stcAdcCfg;
stc_adc_scan_mode_cfg_t stcAdcScanModeCfg;
/* Configure GPIO pins for AN00 ~ AN07 */
GPIO_StructInit(&stcGpioCfg);
stcGpioCfg.u16PinAttr = PIN_ATTR_ANALOG;
stcGpioCfg.u16PinPos = GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 | GPIO_PIN_4 | GPIO_PIN_5 |
GPIO_PIN_6 | GPIO_PIN_7 | GPIO_PIN_8;
GPIO_Init(GPIO_PORT_0, stcGpioCfg.u16PinPos, &stcGpioCfg);
/* Configure ADC */
ADC_StructInit(&stcAdcCfg);
stcAdcCfg.u32Resolution = ADC_RESOLUTION_12BIT;
stcAdcCfg.u32SamplingTime = ADC_SAMPLING_TIME_56;
ADC_Init(ADC_UNIT, &stcAdcCfg);
/* Configure ADC scan mode */
ADC_ScanModeStructInit(&stcAdcScanModeCfg);
stcAdcScanModeCfg.u8ScanMode = ADC_SAADC_SCAN_MODE;
stcAdcScanModeCfg.u8ScanChannelCount = ADC_SAADC_CHANNEL_COUNT;
stcAdcScanModeCfg.u32ScanChannelMask = ADC_SAADC_CHANNEL_MASK;
stcAdcScanModeCfg.u16ScanCycTime = 0U;
ADC_ConfigScanMode(ADC_UNIT, &stcAdcScanModeCfg);
/* Start ADC */
ADC_Start(ADC_UNIT, ADC_SAADC_SCAN_MODE);
/* Wait for ADC conversion complete */
while (ADC_GetScanDataCount(ADC_UNIT) < ADC_SAADC_CHANNEL_COUNT)
{
}
/* Read ADC data */
ADC_GetScanData(ADC_UNIT, u16AdcSaAdcValue, ADC_SAADC_CHANNEL_COUNT);
/* Convert ADC data to temperature */
for (uint8_t i = 0U; i < ADC_SAADC_CHANNEL_COUNT; i++)
{
float fTemp = (float)u16AdcSaAdcValue[i] / 0xFFF * 3.3f;
fTemp = (fTemp - 0.75f) / 0.01f;
printf("Temperature %d: %.2f\n", i, fTemp);
}
while (1)
{
}
}
```
上述代码中,我们使用了HC32芯片的GPIO和ADC模块,实现了8路温度测量功能。我们首先配置了GPIO,将GPIO的8个引脚配置为模拟输入模式。然后,我们配置了ADC模块,设置了ADC的分辨率和采样时间等参数。接着,我们使用了ADC的扫描模式,将8个输入通道连接到同一个ADC单元上。最后,我们读取了ADC数据,并将其转换为温度值,最终输出到串口终端。
需要注意的是,上述代码仅供参考,实际情况可能会有所不同,具体的代码实现需要根据具体的硬件平台和应用场景进行调整。