boot strap

2025-03-29 15:23:40 -04:00
parent 258c4ce0f4
commit 7381a9eb35
2 changed files with 60 additions and 0 deletions
@@ -0,0 +1,48 @@
+#include "USB.h"
+#include "USBMSC.h"
+#include "FS.h"
+#include "FFat.h"
+#include "WiFi.h"
+#include "esp_bt.h"  
+
+USBMSC MSC;
+
+#define DISK_SIZE (100 * 1024) 
+
+typedef int32_t i32;
+typedef uint32_t u32;
+typedef uint8_t u8;
+
+
+u8 msc_disk[DISK_SIZE];
+
+i32 onRead(u32 lba, u32 offset, void* buffer, u32 bufsize) {
+    u8* dst = (u8*)buffer;
+    memcpy(dst, msc_disk + offset, bufsize);
+    return bufsize;
+}
+
+i32 onWrite(u32 lba, u32 offset, u8* buffer, u32 bufsize) {
+    memcpy(msc_disk + offset, buffer, bufsize);
+    return bufsize;
+}
+
+void setup() {
+    Serial.begin(115200);
+
+    WiFi.mode(WIFI_OFF);
+    btStop(); 
+
+    MSC.vendorID("XIAO");
+    MSC.productID("USB Drive");
+    MSC.onRead(onRead);
+    MSC.onWrite(onWrite);
+    MSC.mediaPresent(true);
+    MSC.begin(DISK_SIZE/512, 512);
+    
+    USB.begin();
+}
+
+void loop() {
+    delay(1000);
+}