static void Main(string[] args)
{
usb_device.DEVICE_INFO DevInfo = new usb_device.DEVICE_INFO();
USB2SPI.SPI_CONFIG SPIConfig = new USB2SPI.SPI_CONFIG();
Int32[] DevHandles = new Int32[20];
Int32 DevHandle = 0;
Int32 ADS1256Index = USB2SPI.SPI1_CS0;
UInt32 ResetPinMask, DrdyPinMask;
bool state;
Int32 DevNum, ret;
Byte[] WriteBuffer = new Byte[64];
Byte[] ReadBuffer = new Byte[20480];
//扫描查找设备
DevNum = usb_device.USB_ScanDevice(DevHandles);
if (DevNum <= 0)
{
Console.WriteLine("No device connected!");
return;
}
else
{
Console.WriteLine("Have {0} device connected!", DevNum);
}
DevHandle = DevHandles[0];
//打开设备
state = usb_device.USB_OpenDevice(DevHandle);
if (!state)
{
Console.WriteLine("Open device error!");
return;
}
else
{
Console.WriteLine("Open device success!");
}
//获取固件信息
StringBuilder FuncStr = new StringBuilder(256);
state = usb_device.DEV_GetDeviceInfo(DevHandle, ref DevInfo, FuncStr);
if (!state)
{
Console.WriteLine("Get device infomation error!");
return;
}
else
{
Console.WriteLine("Firmware Info:");
Console.WriteLine(" Name:" + Encoding.Default.GetString(DevInfo.FirmwareName));
Console.WriteLine(" Build Date:" + Encoding.Default.GetString(DevInfo.BuildDate));
Console.WriteLine(" Firmware Version:v{0}.{1}.{2}", (DevInfo.FirmwareVersion >> 24) & 0xFF, (DevInfo.FirmwareVersion >> 16) & 0xFF, DevInfo.FirmwareVersion & 0xFFFF);
Console.WriteLine(" Hardware Version:v{0}.{1}.{2}", (DevInfo.HardwareVersion >> 24) & 0xFF, (DevInfo.HardwareVersion >> 16) & 0xFF, DevInfo.HardwareVersion & 0xFFFF);
Console.WriteLine(" Functions:" + DevInfo.Functions.ToString("X8"));
Console.WriteLine(" Functions String:" + FuncStr);
Console.WriteLine(" Serial Number:" + DevInfo.SerialNumber[0].ToString("X8") + DevInfo.SerialNumber[1].ToString("X8") + DevInfo.SerialNumber[2].ToString("X8"));
}
//配置RESET引脚和DRADY引脚
if (ADS1256Index == 0)
{
ResetPinMask = 1 << 9;
DrdyPinMask = 1 << 8;
}
else
{
ResetPinMask = 1 << 1;
DrdyPinMask = 1 << 0;
}
ret = USB2GPIO.GPIO_SetOutput(DevHandle, ResetPinMask, 1);
if (ret != USB2GPIO.GPIO_SUCCESS)
{
Console.WriteLine("Initialize gpio error!");
return;
}
//配置SPI总线相关参数
SPIConfig.Mode = USB2SPI.SPI_MODE_HARD_HDX;
SPIConfig.ClockSpeedHz = 1562500;
SPIConfig.CPHA = 1;
SPIConfig.CPOL = 0;
SPIConfig.LSBFirst = USB2SPI.SPI_MSB;
SPIConfig.Master = USB2SPI.SPI_MASTER;
SPIConfig.SelPolarity = USB2SPI.SPI_SEL_LOW;
ret = USB2SPI.SPI_Init(DevHandle, ADS1256Index, ref SPIConfig);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("Initialize device error!");
return;
}
//RESET引脚输出低脉冲复位ADS1256
USB2GPIO.GPIO_Write(DevHandle, ResetPinMask, 0); //输出低电平
System.Threading.Thread.Sleep(10);
USB2GPIO.GPIO_Write(DevHandle, ResetPinMask, ResetPinMask); //输出高电平
//准备配置寄存器数据
WriteBuffer[0] = 0x50; //ADS1256_CMD_WREG
WriteBuffer[1] = 0x04;
WriteBuffer[2] = 0x04;
WriteBuffer[3] = 0x08; //配置AIN0为单端模式
WriteBuffer[4] = 0; //PGA
WriteBuffer[5] = 0xA1; //1000SPS
WriteBuffer[6] = 0xFF;
ret = USB2SPI.SPI_WriteBytesOfEvent(DevHandle, ADS1256Index, WriteBuffer, 7, (Int32)DrdyPinMask, 0x00, 1000);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("SPI Event Write Data Error!");
return;
}
//准备读配置寄存器数据，验证配置数据写入是否成功
WriteBuffer[0] = 0x10;//ADS1256_CMD_RREG;
WriteBuffer[1] = 4;
ret = USB2SPI.SPI_WriteReadBytesOfEvent(DevHandle, ADS1256Index, WriteBuffer, 2, ReadBuffer, 5, 10, (Int32)DrdyPinMask, 0x10, 1000);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("SPI Event Write&Read Data Error!");
return;
}
//判断写入配置寄存器的值和读出寄存器的值是否一样
if ((WriteBuffer[3] != ReadBuffer[1]) || (WriteBuffer[4] != ReadBuffer[2]) || (WriteBuffer[5] != ReadBuffer[3]))
{
Console.WriteLine("Config ADS1256 Error!");
return;
}
//发送连续采集数据命令，该命令只适合连续采集一个通道的情况
WriteBuffer[0] = 0xFC; //ADS1256_CMD_SYNC
WriteBuffer[1] = 0x00; //ADS1256_CMD_WAKEUP
WriteBuffer[2] = 0x03; //ADS1256_CMD_RDATAC
ret = USB2SPI.SPI_WriteReadBytesOfEvent(DevHandle, ADS1256Index, WriteBuffer, 3, ReadBuffer, 3, 10, (Int32)DrdyPinMask, 0x10, 1000);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("SPI Event Write&Read Data Error!");
return;
}
Console.WriteLine("Continuous Get ADC Data!");
//检测DRADY引脚下降沿之后读回数据
int ReadDataNum = 10;
ret = USB2SPI.SPI_BlockReadBytesOfEvent(DevHandle, ADS1256Index, ReadBuffer, 3, ReadDataNum, (Int32)DrdyPinMask, 0x10, 100);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("SPI Event BlockRead Data Error!");
return;
}
//将读回的数据转换为实际的电压值
for (int i = 0; i < ReadDataNum; i++)
{
int ADCDataTemp = (ReadBuffer[i * 3 + 0] << 16) | (ReadBuffer[i * 3 + 1] << 8) | ReadBuffer[i * 3 + 2];
if ((ADCDataTemp & 0x800000) != 0x00)
{
ADCDataTemp = (Int32)(0xFF000000 | ((UInt32)ADCDataTemp));
}
double Volutage = (ADCDataTemp * 0.59604644775390625) / 1000000;
Console.WriteLine("ADC[{0}] = {1} V", i, Volutage);
}
//发送停止连续采样数据命令
WriteBuffer[0] = 0x0F;//ADS1256_CMD_SDATAC
ret = USB2SPI.SPI_WriteBytesOfEvent(DevHandle, ADS1256Index, WriteBuffer, 1, (Int32)DrdyPinMask, 0x10, 1000);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("SPI Event Write Data Error!");
return;
}
Console.WriteLine("Circulate Get ADC Data!");
//循环采集每个通道数据
ReadDataNum = 3;
byte Channel = 0;
WriteBuffer[0] = 0x50 | 1;//ADS1256_CMD_WREG
WriteBuffer[1] = 0x00;
WriteBuffer[2] = (byte)((Channel << 4) | 0x08);
WriteBuffer[3] = 0xFC; //ADS1256_CMD_SYNC
WriteBuffer[4] = 0x00; //ADS1256_CMD_WAKEUP
WriteBuffer[5] = 0x01; //ADS1256_CMD_RDATA
for (int i = 0; i < ReadDataNum; i++)
{
for (Channel = 0; Channel < 8; Channel++)
{
WriteBuffer[2] = (byte)((Channel << 4) | 0x08);
ret = USB2SPI.SPI_WriteReadBytesOfEvent(DevHandle, ADS1256Index, WriteBuffer, 6, ReadBuffer, 3, 10, (Int32)DrdyPinMask, 0x10, 1000);
if (ret != USB2SPI.SPI_SUCCESS)
{
Console.WriteLine("SPI Event Write&Read Data Error!");
return;
}
else
{
//丢弃第一次的数据
if ((i == 0) && (Channel == 0))
{
continue;
}
int ADCDataTemp = (ReadBuffer[0] << 16) | (ReadBuffer[1] << 8) | ReadBuffer[2];
if ((ADCDataTemp & 0x800000) != 0x00)
{
ADCDataTemp = (Int32)(0xFF000000 | ((UInt32)ADCDataTemp));
}
double Volutage = (ADCDataTemp * 0.59604644775390625) / 1000000;
Console.WriteLine("ADC_CH[{0}][{1}] = {2} V", i, Channel == 0 ? 7 : Channel - 1, Volutage);
}
}
}
}
static void Main(string[] args)
{
Int32[] DevHandles = new Int32[20];
UInt32 PinValue = 0;
Console.WriteLine("扫描设备...");
int DevCnt = usb_device.USB_ScanDevice(DevHandles);//获取设备连接数，同时获取每个设备的序号
if (DevCnt <= 0)
{
Console.WriteLine("获取设备列表失败！当前可能无设备连接！");
return;
}
Console.Write("扫描到{0}个设备,每个设备的序号分别为：", DevCnt);
for (int i = 0; i < DevCnt; i++)
{
Console.Write(DevHandles[i].ToString("X8") + " ");
}
Console.WriteLine("\n打开第一个设备");
bool state = usb_device.USB_OpenDevice(DevHandles[0]);
if (!state)
{
Console.WriteLine("Open device error!" + DevHandles[0].ToString("X8"));
}
//设置GPIO电平（需要适配器支持）
usb_device.DEV_SetPowerLevel(DevHandles[0], usb_device.POWER_LEVEL_3V3);
//输出测试——没上下拉
USB2GPIO.GPIO_SetOutput(DevHandles[0], 0xFFFF, 0);
for (int i = 0; i < 10; i++)
{
USB2GPIO.GPIO_Write(DevHandles[0], 0xFFFF, 0xAAAA);
USB2GPIO.GPIO_Write(DevHandles[0], 0xFFFF, 0x5555);
}
//输出测试——上拉
USB2GPIO.GPIO_SetOutput(DevHandles[0], 0xFFFF, 1);
for (int i = 0; i < 10; i++)
{
USB2GPIO.GPIO_Write(DevHandles[0], 0xFFFF, 0xAAAA);
USB2GPIO.GPIO_Write(DevHandles[0], 0xFFFF, 0x5555);
}
//输出测试——下拉
USB2GPIO.GPIO_SetOutput(DevHandles[0], 0xFFFF, 2);
for (int i = 0; i < 10; i++)
{
USB2GPIO.GPIO_Write(DevHandles[0], 0xFFFF, 0xAAAA);
USB2GPIO.GPIO_Write(DevHandles[0], 0xFFFF, 0x5555);
}
//测试输入——浮空
USB2GPIO.GPIO_SetInput(DevHandles[0], 0xFFFF, 0);
USB2GPIO.GPIO_Read(DevHandles[0], 0xFFFF, ref PinValue);
Console.WriteLine("READ DATA(Float): " + PinValue.ToString("X4"));
//测试输入——上拉输入
USB2GPIO.GPIO_SetInput(DevHandles[0], 0xFFFF, 1);
USB2GPIO.GPIO_Read(DevHandles[0], 0xFFFF, ref PinValue);
Console.WriteLine("READ DATA(Pu): " + PinValue.ToString("X4"));
//测试输入——下拉输入
USB2GPIO.GPIO_SetInput(DevHandles[0], 0xFFFF, 2);
USB2GPIO.GPIO_Read(DevHandles[0], 0xFFFF, ref PinValue);
Console.WriteLine("READ DATA(Pd): " + PinValue.ToString("X4"));
//测试开漏输入——浮空
USB2GPIO.GPIO_SetOpenDrain(DevHandles[0], 0xFFFF, 0);
USB2GPIO.GPIO_Read(DevHandles[0], 0xFFFF, ref PinValue);
Console.WriteLine("READ DATA(OD-Float): " + PinValue.ToString("X4"));
//测试开漏输入——上拉输入
USB2GPIO.GPIO_SetOpenDrain(DevHandles[0], 0xFFFF, 1);
USB2GPIO.GPIO_Read(DevHandles[0], 0xFFFF, ref PinValue);
Console.WriteLine("READ DATA(OD-Pu): " + PinValue.ToString("X4"));
//测试开漏输入——下拉输入
USB2GPIO.GPIO_SetOpenDrain(DevHandles[0], 0xFFFF, 2);
USB2GPIO.GPIO_Read(DevHandles[0], 0xFFFF, ref PinValue);
Console.WriteLine("READ DATA(OD-Pd): " + PinValue.ToString("X4"));
//关闭设备
usb_device.USB_CloseDevice(DevHandles[0]);
}