board/flash: changing flashrom_write signature

→ changing all flashrom_write() function to the same signature
	→ adding const keyword to signature

boards/msb-430-common/board_config.c

@@ -37,5 +37,5 @@ void config_load(void)
 uint8_t config_save(void)
 {
     configmem_t mem = { CONFIG_KEY, sysconfig  };
-    return (flashrom_erase((uint8_t *) INFOMEM) && flashrom_write((uint8_t *) INFOMEM, (char *) &mem, sizeof(mem)));
+    return (flashrom_erase((uint8_t *) INFOMEM) && flashrom_write((uint8_t *) INFOMEM, (uint8_t *) &mem, sizeof(mem)));
 }

boards/msba2-common/board_config.c

@@ -38,5 +38,5 @@ void config_load(void) {
 
 uint8_t config_save(void) {
     configmem_t mem = { CONFIG_KEY, sysconfig  };
-    return (flashrom_erase((uint8_t*) &configmem) && flashrom_write((uint8_t*) &configmem, (char*) &mem, sizeof(mem)));
+    return (flashrom_erase((uint8_t*) &configmem) && flashrom_write((uint8_t*) &configmem, (uint8_t*) &mem, sizeof(mem)));
 }

boards/wsn430-common/board_config.c

@@ -22,5 +22,5 @@ void config_load(void) {
 
 uint8_t config_save(void) {
     configmem_t mem = { CONFIG_KEY, sysconfig  };
-    return (flashrom_erase((uint8_t*) INFOMEM) && flashrom_write((uint8_t*) INFOMEM, (char*) &mem, sizeof(mem)));
+    return (flashrom_erase((uint8_t*) INFOMEM) && flashrom_write((uint8_t*) INFOMEM, (uint8_t*) &mem, sizeof(mem)));
 }

cpu/cc430/flashrom.c

@@ -34,9 +34,10 @@ uint8_t flashrom_erase(uint8_t *addr)
     return 0;
 }
 /*---------------------------------------------------------------------------*/
-void flashrom_write(uint8_t *dst, uint8_t *src, size_t size)
+uint8_t flashrom_write(uint8_t *dst, const uint8_t *src, size_t size)
 {
     // TODO implement this function
+    return 0;
 }
 
 /*---------------------------------------------------------------------------*/

cpu/lpc_common/iap.c

@@ -53,7 +53,7 @@ static uint32_t iap(uint32_t code, uint32_t p1, uint32_t p2, uint32_t p3, uint32
 /******************************************************************************
  * P U B L I C   F U N C T I O N S
  *****************************************************************************/
-uint8_t	flashrom_write(uint8_t *dst, char *src, size_t size)
+uint8_t	flashrom_write(uint8_t *dst, const uint8_t *src, size_t size)
 {
     (void) size; /* unused */
 

cpu/msp430x16x/flashrom.c

@@ -46,7 +46,7 @@ uint8_t flashrom_erase(uint8_t *addr)
     return 1;
 }
 
-void flashrom_write(uint8_t *dst, uint8_t *src, size_t size)
+uint8_t flashrom_write(uint8_t *dst, const uint8_t *src, size_t size)
 {
     unsigned int i;
     FCTL3 = FWKEY;              /* Lock = 0 */
@@ -64,6 +64,7 @@ void flashrom_write(uint8_t *dst, uint8_t *src, size_t size)
     busy_wait();
     FCTL1 = FWKEY;              /* WRT = 0 */
     FCTL3 = FWKEY | LOCK;              /* Lock = 1 */
+    return 1;
 }
 
 /*---------------------------------------------------------------------------*/

drivers/include/flashrom.h

@@ -32,7 +32,7 @@ uint8_t             flashrom_erase(uint8_t *addr);
  *
  * @return          1 on success, 0 otherwise
  */
-uint8_t             flashrom_write(uint8_t *dst, char *src, size_t size);
+uint8_t             flashrom_write(uint8_t *dst, const uint8_t *src, size_t size);
 
 /** @} */
 #endif /* FLASHROM_H */