Revision 1:d8180cb9d9ab, committed 2014-08-28

Comitter:

k4zuki

Date:

Thu Aug 28 17:23:36 2014 +0000

Parent:

0:d049f6422506

Commit message:

changed all definition by char to uint8_t

Changed in this revision

diff -r d049f6422506 -r d8180cb9d9ab Ser23K256.cpp
--- a/Ser23K256.cpp	Fri Mar 04 15:22:24 2011 +0000
+++ b/Ser23K256.cpp	Thu Aug 28 17:23:36 2014 +0000
@@ -18,22 +18,22 @@
     _ncs = 1;
 }
 
-void Ser23K256::writeStatus(char status) {
+void Ser23K256::writeStatus(uint8_t status) {
     select();
     _spi.write(WRITE_STATUS);
     _spi.write(status);
     deselect();
 }
 
-char Ser23K256::readStatus() {
+uint8_t Ser23K256::readStatus() {
     select();
     _spi.write(READ_STATUS);
-    char result = (char) _spi.write(0);
+    uint8_t result = (uint8_t) _spi.write(0);
     deselect();
     return result;
 }
 
-void Ser23K256::prepareCommand(char command, int address) {
+void Ser23K256::prepareCommand(uint8_t command, int address) {
     select();
     _spi.write(command);
     _spi.write(address >> 8);
@@ -42,17 +42,17 @@
 
 // write or read a single byte
 
-void Ser23K256::write(int address, char byte) {
+void Ser23K256::write(int address, uint8_t byte) {
     prepareCommand(WRITE, address);
     _spi.write(byte);
     deselect();
 }
 
-char Ser23K256::read(int address) {
+uint8_t Ser23K256::read(int address) {
     prepareCommand(READ, address);
     int result = _spi.write(0);
     deselect();
-    return (char) result;
+    return (uint8_t) result;
 }
 
 // buffered write and read
@@ -63,7 +63,7 @@
 * at the start and return it to byte mode at the end.
 */
 
-void Ser23K256::write(int address, char * buffer, int count) {
+void Ser23K256::write(int address, uint8_t * buffer, int count) {
     writeStatus(SEQUENTIAL_MODE);
     prepareCommand(WRITE, address);
     for (int i = 0; i < count; i++) {
@@ -73,7 +73,7 @@
     writeStatus(BYTE_MODE);
 }
 
-void Ser23K256::read(int address, char * buffer, int count) {
+void Ser23K256::read(int address, uint8_t * buffer, int count) {
     writeStatus(SEQUENTIAL_MODE);
     prepareCommand(READ, address);
     for (int i = 0; i < count; i++) {

diff -r d049f6422506 -r d8180cb9d9ab Ser23K256.h
--- a/Ser23K256.h	Fri Mar 04 15:22:24 2011 +0000
+++ b/Ser23K256.h	Thu Aug 28 17:23:36 2014 +0000
@@ -39,7 +39,7 @@
 * Ser23K256 sram(spi,p14);
 *
 * int main() {
-*   char buff[50];
+*   uint8_t buff[50];
 *   sram.write(0, 'h');
 *   sram.write(1, 'i');
 *   sram.write(2, '!');
@@ -75,32 +75,32 @@
     Ser23K256(SPI& spi, PinName ncs);
 /** read a byte from SRAM
 * @param address    The address to read from
-* @return the character at that address
+* @return the uint8_tacter at that address
 */
-    char read(int address);
+    uint8_t read(int address);
 /** read multiple bytes from SRAM into a buffer
 * @param address    The SRAM address to read from
 * @param buffer     The buffer to read into (must be big enough!)
 * @param count      The number of bytes to read
 */
-    void read(int address, char * buffer, int count);
+    void read(int address, uint8_t * buffer, int count);
 /** write a byte to SRAM
 * @param address    The address SRAM to write to
 * @param byte       The byte to write there
 */
-    void write(int address, char byte);
+    void write(int address, uint8_t byte);
     /** write multiple bytes to SRAM from a buffer
 * @param address    The SRAM address write to
 * @param buffer     The buffer to write from
 * @param count      The number of bytes to write
 */
-    void write(int address, char * buffer, int count);
+    void write(int address, uint8_t * buffer, int count);
 private:
     SPI& _spi;
     DigitalOut _ncs;
-    char readStatus();
-    void writeStatus(char status);
-    void prepareCommand(char command, int address);
+    uint8_t readStatus();
+    void writeStatus(uint8_t status);
+    void prepareCommand(uint8_t command, int address);
     void select();
     void deselect();
 };