3 files changed, 38 insertions, 2 deletions
diff --git a/watch-library/simulator/watch/watch.c b/watch-library/simulator/watch/watch.c
index 1c965aad..749651af 100644
--- a/watch-library/simulator/watch/watch.c
+++ b/watch-library/simulator/watch/watch.c
@@ -3,3 +3,7 @@
 bool watch_is_buzzer_or_led_enabled(void) {
     return false;
 }
+
+bool watch_is_usb_enabled(void) {
+    return true;
+}
diff --git a/watch-library/simulator/watch/watch_private.c b/watch-library/simulator/watch/watch_private.c
index 4ddc2182..3425341a 100644
--- a/watch-library/simulator/watch/watch_private.c
+++ b/watch-library/simulator/watch/watch_private.c
@@ -63,7 +63,7 @@ int _write(int file, char *ptr, int len) {
     return 0;
 }
 
-// this method could be overridden to read stuff from the USB console? but no need rn.
-int _read(void) {
+int _read(int file, char *ptr, int len) {
+    // TODO: hook to UI
     return 0;
 }
diff --git a/watch-library/simulator/watch/watch_storage.c b/watch-library/simulator/watch/watch_storage.c
new file mode 100644
index 00000000..27011807
--- /dev/null
+++ b/watch-library/simulator/watch/watch_storage.c
@@ -0,0 +1,32 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include "watch_storage.h"
+
+uint8_t storage[NVMCTRL_ROW_SIZE * NVMCTRL_RWWEE_PAGES];
+
+bool watch_storage_read(uint32_t row, uint32_t offset, uint8_t *buffer, uint32_t size) {
+    // printf("read row %ld offset %ld size %ld\n", row, offset, size);
+    memcpy(buffer, storage + row * NVMCTRL_ROW_SIZE + offset, size);
+
+    return true;
+}
+
+bool watch_storage_write(uint32_t row, uint32_t offset, const uint8_t *buffer, uint32_t size) {
+    // printf("write row %ld offset %ld size %ld\n", row, offset, size);
+    memcpy(storage + row * NVMCTRL_ROW_SIZE + offset, buffer, size);
+
+    return true;
+}
+
+bool watch_storage_erase(uint32_t row) {
+    // printf("erase row %ld\n", row);
+    memset(storage + row * NVMCTRL_ROW_SIZE, 0xff, NVMCTRL_ROW_SIZE);
+
+    return true;
+}
+
+bool watch_storage_sync(void) {
+    // nothing to do here!
+    return true;
+}