Update BL sketches to return N/A if external RAM is missing

Author: giulcioffi

libraries/STM32H747_System/examples/STM32H747_getBootloaderInfo/STM32H747_getBootloaderInfo.ino

@@ -19,7 +19,7 @@ void setup() {
   Serial.println("USB Speed: " + getUSBSpeed(bootloader_data[3]));
   Serial.println("Has Ethernet: " + String(bootloader_data[4] == 1 ? "Yes" : "No"));
   Serial.println("Has WiFi module: " + String(bootloader_data[5] == 1 ? "Yes" : "No"));
-  Serial.println("RAM size: " + String(bootloader_data[6]) + " MB");
+  Serial.println("RAM size: " + getRAMSize(bootloader_data[6]));
   Serial.println("QSPI size: " + String(bootloader_data[7]) + " MB");
   Serial.println("Has Video output: " + String(bootloader_data[8] == 1 ? "Yes" : "No"));
   Serial.println("Has Crypto chip: " + String(bootloader_data[9] == 1 ? "Yes" : "No"));
@@ -49,6 +49,13 @@ String getClockSource(uint8_t flag) {
   }
 }
 
+String getRAMSize(uint8_t flag) {
+  if (flag == 0) {
+    return "N/A";
+  }
+  return (String(flag) + "MB");
+}
+
 void loop() {  
   delay(1000);
 }

libraries/STM32H747_System/examples/STM32H747_updateBootloader/STM32H747_updateBootloader.ino

@@ -60,7 +60,7 @@ void setup() {
   Serial.println("USB Speed: " + getUSBSpeed(bootloader_data[3]));
   Serial.println("Has Ethernet: " + String(bootloader_data[4] == 1 ? "Yes" : "No"));
   Serial.println("Has WiFi module: " + String(bootloader_data[5] == 1 ? "Yes" : "No"));
-  Serial.println("RAM size: " + String(bootloader_data[6]) + " MB");
+  Serial.println("RAM size: " + getRAMSize(bootloader_data[6]));
   Serial.println("QSPI size: " + String(bootloader_data[7]) + " MB");
   Serial.println("Has Video output: " + String(bootloader_data[8] == 1 ? "Yes" : "No"));
   Serial.println("Has Crypto chip: " + String(bootloader_data[9] == 1 ? "Yes" : "No"));
@@ -172,6 +172,13 @@ String getClockSource(uint8_t flag) {
   }
 }
 
+String getRAMSize(uint8_t flag) {
+  if (flag == 0) {
+    return "N/A";
+  }
+  return (String(flag) + "MB");
+}
+
 void printProgress(uint32_t offset, uint32_t size, uint32_t threshold, bool reset) {
   static int percent_done = 0;
   if (reset == true) {