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In Topic: DHT11/22 sensor managed driver
09 March 2012 - 05:14 PM
Do you know of a good tutorial on how to build custom firmwares? I download the files but was confused on what to do. Also, has anyone built a compiled file they can post? I have a web server if it is to big to post here. Thanks!
This is what I am working on:
http://forums.netdui...h__1#entry22320
In Topic: MPL115A1 Barometric Pressure Sensor Breakout
09 March 2012 - 05:11 PM
Nothing yet. I put this on hold hoping someone would have more .NET code soon. Also, I have been learning more about C#.
If anyone has some good code examples that would be great!
In Topic: Reset not working, preparing to deploy assemblies to the device netduino
17 January 2012 - 07:33 PM
Any other ideas?
In Topic: MPL115A1 Barometric Pressure Sensor Breakout
16 January 2012 - 02:27 AM
I am not sure how to convert the #defines to constants? Are these shorts? Any other tips you can give me would be great. I am used to VB .NET and am very rusty on my C++.
Error 1 Single-line comment or end-of-line expected C:\Users\Jeff\AppData\Local\Temporary Projects\MPL115A1 Pressure Sensor\Program.cs 4 21 MPL115A1 Pressure Sensor
// the sensor communicates using SPI, so include the library: //#include <SPI.h> #define PRESH 0x80 #define PRESL 0x82 #define TEMPH 0x84 #define TEMPL 0x86 #define A0MSB 0x88 #define A0LSB 0x8A #define B1MSB 0x8C #define B1LSB 0x8E #define B2MSB 0x90 #define B2LSB 0x92 #define C12MSB 0x94 #define C12LSB 0x96 #define CONVERT 0x24 #define chipSelectPin 10 #define shutDown 7 float A0_; float B1_; float B2_; float C12_; using System; using System.Net; using System.Net.Sockets; using System.Threading; using Microsoft.SPOT; using Microsoft.SPOT.Hardware; using SecretLabs.NETMF.Hardware; using SecretLabs.NETMF.Hardware.NetduinoPlus; /* MPL115A1 sparkfun breakout baropressure meter SDN : pin 7 CSN : pin 10 SDI/MOSI : pin 11 SDO/MISO : pin 12 SCK : pin 13 */ namespace MPL115A1_Pressure_Sensor { public class Program { public static void Main() { // write your code here } } } void setup() { Serial.begin(115200); // start the SPI library: SPI.begin(); // initalize the data ready and chip select pins: pinMode(shutDown, OUTPUT); digitalWrite(shutDown, HIGH); pinMode(chipSelectPin, OUTPUT); digitalWrite(chipSelectPin, HIGH); delay (10); // read registers that contain the chip-unique parameters to do the math unsigned int A0H = readRegister(A0MSB); unsigned int A0L = readRegister(A0LSB); A0_ = (A0H << 5) + (A0L >> 3) + (A0L & 0x07) / 8.0; unsigned int B1H = readRegister(B1MSB); unsigned int B1L = readRegister(B1LSB); B1_ = ( ( ( (B1H & 0x1F) * 0x100)+B1L) / 8192.0) - 3 ; unsigned int B2H = readRegister(B2MSB); unsigned int B2L = readRegister(B2LSB); B2_ = ( ( ( (B2H - 0x80) << 8) + B2L) / 16384.0 ) - 2 ; unsigned int C12H = readRegister(C12MSB); unsigned int C12L = readRegister(C12LSB); C12_ = ( ( ( C12H * 0x100 ) + C12L) / 16777216.0 ) ; } void loop() { Serial.print("de druk is : "); Serial.println(baropPessure()); delay(1000); } //Read registers unsigned int readRegister(byte thisRegister ) { unsigned int result = 0; // result to return digitalWrite(chipSelectPin, LOW); delay(10); SPI.transfer(thisRegister); result = SPI.transfer(0x00); digitalWrite(chipSelectPin, HIGH); return(result); } //read pressure float baropPessure(){ digitalWrite(chipSelectPin, LOW); delay(3); SPI.transfer(0x24); SPI.transfer(0x00); digitalWrite(chipSelectPin, HIGH); delay(3); digitalWrite(chipSelectPin, LOW); SPI.transfer(PRESH); unsigned int presH = SPI.transfer(0x00); delay(3); SPI.transfer(PRESL); unsigned int presL = SPI.transfer(0x00); delay(3); SPI.transfer(TEMPH); unsigned int tempH = SPI.transfer(0x00); delay(3); SPI.transfer(TEMPL); unsigned int tempL = SPI.transfer(0x00); delay(3); SPI.transfer(0x00); delay(3); digitalWrite(chipSelectPin, HIGH); unsigned long press = ((presH *256) + presL)/64; unsigned long temp = ((tempH *256) + tempL)/64; float pressure = A0_+(B1_+C12_*temp)*press+B2_*temp; float preskPa = pressure* (65.0/1023.0)+50.0; return(preskPa); }
In Topic: Convert to C# Humidity and Temperature Sensor - RHT03 RHT-22
16 January 2012 - 02:01 AM
What language is the firmware written in? Do I use this compiler: Visual C++ 2010 Express?
Also, are these the files I would be editing?
\netduinofirmware\netduinofirmware_4.1.0.6\Solutions\NetduinoPlus
Also, I do not understand what this step means. Am I changing the Micro Framework or the Duino firmware? Are they the same?
2. Copy these files over the Platform Kit (typically into C:\MicroFrameworkPK_v4_1)
If you get a chance, it would be great to have your built firmware, since I am new at these things. Thanks!
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