Andy Little / I2CEeprom

Dependents:   storage_test

Files at this revision

API Documentation at this revision

Comitter:
skyscraper
Date:
Sat Mar 28 01:50:44 2020 +0000
Parent:
3:b2a132553b02
Child:
5:315872eec0ae
Commit message:
Streamline EEprom and remove some unneded functionality

Changed in this revision

I2CEeprom.cpp Show annotated file Show diff for this revision Revisions of this file
I2CEeprom.h Show annotated file Show diff for this revision Revisions of this file
--- a/I2CEeprom.cpp	Sat Mar 28 01:38:00 2020 +0000
+++ b/I2CEeprom.cpp	Sat Mar 28 01:50:44 2020 +0000
@@ -92,7 +92,7 @@
     }
     return 0;
 }
-// works ok
+
 size_t I2CEeprom::write(size_t address, char value)
 {
     // Check the address and size fit onto the chip.
@@ -109,7 +109,6 @@
     return 1;
 }
 
-
 size_t I2CEeprom::ll_write(size_t address, const char *buffer, size_t size)
 {
     // TODO: change i2c address bits dependent on eeprom data address
@@ -122,7 +121,6 @@
     return size;
 }
 
-// ret num written
 size_t I2CEeprom::write(size_t address, const char *buffer, size_t size)
 {
     if (!checkSpace(address, size)) {
@@ -157,28 +155,12 @@
 
 void I2CEeprom::waitForWrite()
 {
-    
     ThisThread::sleep_for(m_writeCycleTime_ms);
     // The chip doesn't ACK while writing to the actual EEPROM
     // so loop trying to do a zero byte write until it is ACKed
     // by the chip.
     while (m_i2c.write(m_i2cAddress, 0, 0) != 0) {
-        // Wait for ack.
         ThisThread::sleep_for(1);
     }
 }
 
-bool I2CEeprom::checkSpace(size_t address, size_t size)
-{
-    // Only check, if chip size is non-zero.
-    if (m_chipSize != 0) {
-        // Check that the address start in the chip and doesn't
-        // extend past.
-        if ((address >= m_chipSize) || ((address + size) >= m_chipSize))
-            return false;
-        else
-            return true;
-    }
-
-    return true;
-}
--- a/I2CEeprom.h	Sat Mar 28 01:38:00 2020 +0000
+++ b/I2CEeprom.h	Sat Mar 28 01:50:44 2020 +0000
@@ -93,7 +93,10 @@
     
     // Validate that the proposed opperation will fit in the size of
     // the chip.
-    bool checkSpace(size_t address, size_t size);
+    bool checkSpace(size_t address, size_t size)
+    {
+       return (address + size) < m_chipSize ;
+    }
     
 private:
     I2C & m_i2c;