Diff: MRF24J40/MRF24J40.cpp

Revision:

7:67b40640ddb6

Parent:

6:1fe84e29b486

Child:

8:fd217a8f8658

diff -r 1fe84e29b486 -r 67b40640ddb6 MRF24J40/MRF24J40.cpp
--- a/MRF24J40/MRF24J40.cpp	Wed Nov 11 00:46:15 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,253 +0,0 @@
-/* mbed MRF24J40 (IEEE 802.15.4 tranceiver) Library
- * Copyright (c) 2011 Jeroen Hilgers
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- */
-
-#include "MRF24J40.h"
-
-// MRF20J40 Short address control register mapping.
-#define RXMCR     0x00
-#define PANIDL    0x01
-#define PANIDH    0x02
-#define SADRL     0x03
-#define SADRH     0x04
-#define EADR0     0x05
-#define EADR1     0x06
-#define EADR2     0x07
-#define EADR3     0x08
-#define EADR4     0x09
-#define EADR5     0x0a
-#define EADR6     0x0b
-#define EADR7     0x0c
-#define RXFLUSH   0x0d
-
-#define TXNMTRIG  0x1b
-#define TXSR      0x24
-
-#define ISRSTS    0x31
-#define INTMSK    0x32
-#define GPIO      0x33
-#define TRISGPIO  0x34
-
-#define RFCTL     0x36
-
-#define BBREG2    0x3A
-
-#define BBREG6    0x3E
-#define RSSITHCCA 0x3F
-
-// MRF20J40 Long address control register mapping.
-#define RFCTRL0   0x200
-
-#define RFCTRL2   0x202
-#define RFCTRL3   0x203
-
-#define RFCTRL6   0x206
-#define RFCTRL7   0x207
-#define RFCTRL8   0x208
-
-#define CLKINTCR  0x211
-#define CLCCTRL   0x220
-
-MRF24J40::MRF24J40(PinName mosi, PinName miso, PinName sck, PinName cs, PinName reset) ://, PinName irq, PinName wake) :
-    mSpi(mosi, miso, sck), // mosi, miso, sclk
-    mCs(cs),
-    mReset(reset)
-//    mIrq(irq),
-//    mWake(wake)
-{
-    mSpi.format(8, 0); // 8 bits, cpol=0; cpha=0
-    mSpi.frequency(500000);
-    Reset();
-}
-
-/*
-void MRF24J40::DebugDump(Serial &ser)
-{
-   ser.printf("MRF24J40 registers:\r");
-   ser.printf("RXMCR=0x%X\r", MrfReadShort(RXMCR));
-   ser.printf("RXFLUSH=0x%X\r", MrfReadShort(RXFLUSH)); 
-   ser.printf("TXNMTRIG=0x%X\r", MrfReadShort(TXNMTRIG));
-   ser.printf("TXSR=0x%X\r", MrfReadShort(TXSR));
-   ser.printf("ISRSTS=0x%X\r", MrfReadShort(ISRSTS)); 
-   ser.printf("INTMSK=0x%X\r", MrfReadShort(INTMSK));
-   ser.printf("GPIO=0x%X\r", MrfReadShort(GPIO));
-   ser.printf("TRISGPIO=0x%X\r", MrfReadShort(TRISGPIO));
-   ser.printf("RFCTL=0x%X\r", MrfReadShort(RFCTL));
-   ser.printf("BBREG2=0x%X\r", MrfReadShort(BBREG2));
-   ser.printf("BBREG6=0x%X\r", MrfReadShort(BBREG6));
-   ser.printf("RSSITHCCA=0x%X\r", MrfReadShort(RSSITHCCA));
-  
-  
-   ser.printf("RFCTRL0=0x%X\r", MrfReadLong(RFCTRL0));
-   ser.printf("RFCTRL2=0x%X\r", MrfReadLong(RFCTRL2));
-   ser.printf("RFCTRL3=0x%X\r", MrfReadLong(RFCTRL3));
-   ser.printf("RFCTRL6=0x%X\r", MrfReadLong(RFCTRL6));
-   ser.printf("RFCTRL7=0x%X\r", MrfReadLong(RFCTRL7));
-   ser.printf("RFCTRL8=0x%X\r", MrfReadLong(RFCTRL8));
-   ser.printf("CLKINTCR=0x%X\r", MrfReadLong(CLKINTCR));
-   ser.printf("CLCCTRL=0x%X\r", MrfReadLong(CLCCTRL));
-   ser.printf("\r");
-}
-*/
-
-void MRF24J40::Reset(void)
-{
-    mCs = 1;
-    // Pulse hardware reset.
-    mReset = 0;
-    wait_us(100);
-    mReset = 1;
-    wait_us(100);
-    
-    // Reset RF module.
-    WriteShort(RFCTL, 0x04);
-    WriteShort(RFCTL, 0x00);
-  
-    WriteShort(RFCTL, 0x00);
-  
-    WriteShort(PANIDL, 0xAA);
-    WriteShort(PANIDH, 0xAA);
-    WriteShort(SADRL, 0xAA);
-    WriteShort(SADRH, 0xAA);
-  
-    // Flush RX fifo.
-    WriteShort(RXFLUSH, 0x01);
-  
-    // Write MAC addresses here. We don't care.
-
-    WriteLong(RFCTRL2, 0x80);  // Enable RF PLL.
-  
-    WriteLong(RFCTRL3, 0x00);  // Full power.
-    WriteLong(RFCTRL6, 0x80);  // Enable TX filter (recommended)
-    WriteLong(RFCTRL8, 0x10);  // Enhanced VCO (recommended)
-      
-    WriteShort(BBREG2,0x78);   // Clear Channel Assesment use carrier sense.
-    WriteShort(BBREG6,0x40);   // Calculate RSSI for Rx packet.
-    WriteShort(RSSITHCCA,0x00);// RSSI threshold for CCA. 
-      
-    WriteLong(RFCTRL0, 0x00);  // Channel 11.
-  
-    WriteShort(RXMCR, 0x01); // Don't check address upon reception.
-//  MrfWriteShort(RXMCR, 0x00); // Check address upon reception.
-  
-    // Reset RF module with new settings.
-    WriteShort(RFCTL, 0x04);
-    WriteShort(RFCTL, 0x00);
-}
-
-void MRF24J40::Send(uint8_t *data, uint8_t length)
-{
-  uint8_t i;
-  
-  WriteLong(0x000, 0);   // No addresses in header.
-  WriteLong(0x001, length); // 11 bytes
-  for(i=0; i<length; i++)
-    WriteLong(0x002+i, data[i]); 
-    
-  WriteShort(TXNMTRIG, 0x01);
-}
-
-uint8_t MRF24J40::Receive(uint8_t *data, uint8_t maxLength)
-{
-  uint8_t i, length;
-  uint8_t lqi, rssi;
-  
-  if(ReadShort(ISRSTS)& 0x08)
-  {
-    length = ReadLong(0x300);
-    lqi = ReadLong(0x301 + length);
-    rssi = ReadLong(0x302 + length);
-    for(i=0; i<length; i++)
-      if(i<maxLength)
-          *data++ = ReadLong(0x301 + (uint16_t)i);
-      else
-          ReadLong(0x301 + (uint16_t)i);
-    if(length < maxLength)
-       return length;          
-  }
-  return 0;
-}
-
-uint8_t MRF24J40::ReadShort (uint8_t address)
-{
-  uint8_t value;
-  mCs = 0;
-  wait_us(1);
-  mSpi.write((address<<1) & 0x7E);
-  wait_us(1);
-  value = mSpi.write(0xFF);
-  wait_us(1);
-  mCs = 1;
-  wait_us(1);
-  return value;
-}
-
-void MRF24J40::WriteShort (uint8_t address, uint8_t data)
-{
-  mCs = 0;
-  wait_us(1);
-  mSpi.write(((address<<1) & 0x7E) | 0x01);
-  wait_us(1);
-  mSpi.write(data);
-  wait_us(1);
-  mCs = 1;
-  wait_us(1);
-}
-
-uint8_t MRF24J40::ReadLong (uint16_t address)
-{
-  uint8_t value;
-  mCs = 0;
-  wait_us(1);
-  mSpi.write((address>>3) | 0x80);
-  wait_us(1);
-  mSpi.write((address<<5) & 0xE0);
-  wait_us(1);
-  value = mSpi.write(0xFF);
-  wait_us(1);
-  mCs = 1;
-  wait_us(1);
-  return value;
-}
-
-void MRF24J40::WriteLong (uint16_t address, uint8_t data)
-{
-  mCs = 0;
-  wait_us(1);
-  mSpi.write((address>>3) | 0x80);
-  wait_us(1);
-  mSpi.write(((address<<5) & 0xE0) | 0x10);
-  wait_us(1);
-  mSpi.write(data);
-  wait_us(1);
-  mCs = 1;
-  wait_us(1);
-}
-
-void MRF24J40::SetChannel(uint8_t channel)
-{ 
-    WriteLong(RFCTRL0, (channel & 0x0F)<<4 | 0x03); // Set channel, leave RFOPT bits at recommended
-    
-    //Reset the board by first writing a 4 to RFCTL, then writing a 0
-    WriteShort(RFCTL, 0x04);
-    WriteShort(RFCTL, 0x00);
-    wait(0.5);
-}