Device_Update: Add const to write buffer parameter

Firmware/RTK_Everywhere/Device_Update.h

@@ -194,7 +194,7 @@ typedef void (* DEVICE_CLOSE)(DEVICE_FIRMWARE_CTX * ctx);
 typedef bool (* DEVICE_OPEN)(DEVICE_FIRMWARE_CTX * ctx);
 typedef bool (* DEVICE_RESET)(DEVICE_FIRMWARE_CTX * ctx, uint32_t currentMsec);
 typedef ssize_t (* DEVICE_WRITE)(DEVICE_FIRMWARE_CTX * ctx,
-                                 uint8_t * buffer,
+                                 const uint8_t * buffer,
                                  size_t bytesToWrite);
 typedef String (* GET_FIRMWARE_VERSION)(DEVICE_FIRMWARE_CTX * ctx);
 typedef bool (* INIT_DEV_CTX)(DEVICE_FIRMWARE_CTX * ctx);
@@ -301,10 +301,10 @@ bool dfuLg290pOpen(DEVICE_FIRMWARE_CTX * ctx);
 
 // Device write, perform the firmware update
 ssize_t dfuEsp32Write(DEVICE_FIRMWARE_CTX * ctx,
-                      uint8_t * buffer,
+                      const uint8_t * buffer,
                       size_t bytesToWrite);
 ssize_t dfuLg290pWrite(DEVICE_FIRMWARE_CTX * ctx,
-                       uint8_t * buffer,
+                       const uint8_t * buffer,
                        size_t bytesToWrite);
 
 // Device close, finalize the firmware update

Firmware/RTK_Everywhere/Device_Update_ESP32.ino

@@ -97,8 +97,8 @@ void dfuEsp32Reboot()
 // ESP32 firmware write
 //----------------------------------------
 ssize_t dfuEsp32Write(DEVICE_FIRMWARE_CTX * ctx,
-                   uint8_t * buffer,
+                   const uint8_t * buffer,
                    size_t bytesToWrite)
 {
-    return Update.write(buffer, bytesToWrite);
+    return Update.write((uint8_t *)buffer, bytesToWrite);
 }

Firmware/RTK_Everywhere/Device_Update_LG290P.ino

@@ -431,7 +431,7 @@ bool dfuLg290pReset()
 // LG290P firmware write
 //----------------------------------------
 ssize_t dfuLg290pWrite(DEVICE_FIRMWARE_CTX * ctx,
-                       uint8_t * buffer,
+                       const uint8_t * buffer,
                        size_t bytesToWrite)
 {
     size_t commandLength;

Firmware/RTK_Everywhere/Device_Update_NVM.ino

@@ -191,7 +191,7 @@ ssize_t dfuNvmRead(DEVICE_FIRMWARE_CTX * ctx,
 // Write firmware data to an NVM file
 //----------------------------------------
 ssize_t dfuNvmWrite(DEVICE_FIRMWARE_CTX * ctx,
-                    uint8_t * buffer,
+                    const uint8_t * buffer,
                     size_t bytesToWrite)
 {
     return ctx->_nvmFile.write(buffer, bytesToWrite);

Firmware/RTK_Everywhere/Device_Update_SD.ino

@@ -161,7 +161,7 @@ ssize_t dfuSdRead(DEVICE_FIRMWARE_CTX * ctx,
 // Copy firmware into the file
 //----------------------------------------
 ssize_t dfuSdWrite(DEVICE_FIRMWARE_CTX * ctx,
-                   uint8_t * buffer,
+                   const uint8_t * buffer,
                    size_t bytesToWrite)
 {
     return ctx->_sdFile.write(buffer, bytesToWrite);