Memory access for DS2423

[owTools.git] / src / owDevice.cpp

diff --git a/src/owDevice.cpp b/src/owDevice.cpp
index 60a8e99..bdb54a9 100755 (executable)
--- a/src/owDevice.cpp
+++ b/src/owDevice.cpp
@@ -562,6 +562,45 @@ uint32_t owDeviceDS2423::readCounter(uint8_t page) {
 }
 
 
+int owDeviceDS2423::readMemory(int page,int start, int count,std::vector<uint8_t> *data){
+       std::vector<uint8_t> cl;
+       cl.push_back(0xF0);
+       uint16_t adr=page<<5;
+       cl.push_back(adr&0xFF);
+       cl.push_back((adr>>8)&0xFF);
+       Communicate(&cl, 3, 32);
+       //No CRC 
+       data->clear();
+       data->insert(data->begin(),cl.begin()+3+start,cl.begin()+start+3+count);
+       return count;   
+
+}
+int owDeviceDS2423::writeMemory(int page,int start, int count,std::vector<uint8_t> *data) {
+       std::vector<uint8_t> cl;
+       cl.push_back(0x0F);
+       uint16_t adr=(page<<5)+start;
+       cl.push_back(adr&0xFF);
+       cl.push_back(adr>>8);
+       for(int i=0;i<count;i++) {
+               cl.push_back((*data)[i]);
+       }
+       Communicate(&cl, 3+count, 0);
+       for (uint8_t v :cl) printf("%02X ",v);printf("\n");
+       cl.clear();
+       cl.push_back(0xAA);
+       Communicate(&cl, 1, 36);
+       //for (uint8_t v :cl) printf("%02X ",v);;printf("\n");
+       cl[0]=0x5A;
+       Communicate(&cl, 4, 1);
+       usleep(100000);
+       if (cl[4]!=0xAA) {
+               for (uint8_t v :cl) printf("%02X ",v);;printf("\n");
+               owi->log->set(OWLOG_ERROR,"DS2423 Copy from Scratchpad to Memmory Error");
+               //return 0;
+       }
+       return count;
+}
+