Diff: Ser25lcxxx.cpp

Revision:

4:0c31e878a076

Parent:

3:d9429070ea6f

--- a/Ser25lcxxx.cpp	Mon Jan 14 04:26:13 2013 +0000
+++ b/Ser25lcxxx.cpp	Thu Mar 14 13:19:40 2013 +0000
@@ -27,7 +27,7 @@
 #define HIGH(x) ((x&0xff00)>>8)
 #define LOW(x) (x&0xff)
 
-Ser25LCxxx::Ser25LCxxx(SPI *spi, PinName enable, int bytes, int pagesize) {
+Ser25LCxxx::Ser25LCxxx(SPI *spi, PinName enable, uint32_t bytes, uint32_t pagesize) {
     _spi=spi;
     _enable=new DigitalOut(enable);
     _size=bytes;
@@ -39,11 +39,11 @@
     delete _enable;
 }
 
-int* Ser25LCxxx::read(unsigned int startAdr, unsigned int len) {
+uint8_t* Ser25LCxxx::read( uint32_t startAdr,  uint32_t len) {
     // assertion
     if (startAdr+len>_size)
         return NULL;
-    int* ret=(int*)malloc(len);
+    uint8_t* ret=(uint8_t*)malloc(len);
     _enable->write(0);
     wait_us(1);
     // send address
@@ -64,7 +64,7 @@
         _spi->write(LOW(startAdr));
     }
     // read data into buffer
-    for (int i=0;i<len;i++) {
+    for (uint8_t i=0;i<len;i++) {
         ret[i]=_spi->write(0);
     }
     wait_us(1);
@@ -72,14 +72,14 @@
     return ret;
 }
 
-bool Ser25LCxxx::write(unsigned int startAdr, unsigned int len, int* data) {
+bool Ser25LCxxx::write( uint32_t startAdr,  uint32_t len, const uint8_t* data) {
     if (startAdr+len>_size)
         return -1;
 
-    int ofs=0;
+    uint8_t ofs=0;
     while (ofs<len) {
         // calculate amount of data to write into current page
-        int pageLen=_pageSize-((startAdr+ofs)%_pageSize);
+        uint8_t pageLen=_pageSize-((startAdr+ofs)%_pageSize);
         if (ofs+pageLen>len)
             pageLen=len-ofs;
         // write single page
@@ -92,7 +92,7 @@
     return true;
 }
 
-bool Ser25LCxxx::writePage(unsigned int startAdr, unsigned int len, int* data) {
+bool Ser25LCxxx::writePage( uint32_t startAdr,  uint32_t len, const uint8_t* data) {
     enableWrite();
 
     _enable->write(0);
@@ -116,7 +116,7 @@
     }
 
     // do real write
-    for (int i=0;i<len;i++) {
+    for (uint8_t i=0;i<len;i++) {
         _spi->write(data[i]);
     }
     wait_us(1);
@@ -128,11 +128,11 @@
     return true;
 }
 
-bool Ser25LCxxx::clearPage(unsigned int pageNum) {
+bool Ser25LCxxx::clearPage( uint32_t pageNum) {
     enableWrite();
     if (_size<65535) {
-        int* s=(int*)malloc(_pageSize);
-        for (int i=0;i<_pageSize;i++) {
+        uint8_t* s=(uint8_t*)malloc(_pageSize);
+        for (uint8_t i=0;i<_pageSize;i++) {
             s[i]=0xff;
         }
         bool b=writePage(_pageSize*pageNum,_pageSize,s);
@@ -155,7 +155,7 @@
 void Ser25LCxxx::clearMem() {
     enableWrite();
     if (_size<65535) {
-        for (int i=0;i<_size/_pageSize;i++) {
+        for (uint8_t i=0;i<_size/_pageSize;i++) {
             if (!clearPage(i))
                 break;
         }
@@ -172,11 +172,11 @@
     }
 }
 
-int Ser25LCxxx::readStatus() {
+uint8_t Ser25LCxxx::readStatus() {
     _enable->write(0);
     wait_us(1);
     _spi->write(0x5);
-    int status=_spi->write(0x00);
+    uint8_t status=_spi->write(0x00);
     wait_us(1);
     _enable->write(1);
     return status;