Greatly improve experiments

c8_remote/lib/experiments/system.c

@@ -0,0 +1,56 @@
+#include "experiments.h"
+
+#include <stdio.h>
+
+#include "usb_helpers.h"
+#include "command.h"
+
+void usb_task_exit(struct pwned_device *dev)
+{
+    struct dev_cmd_resp *resp;
+    if(IS_CHECKM8_FAIL(open_device_session(dev)))
+    {
+        printf("failed to open device session\n");
+        return;
+    }
+
+    if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_SYNC, SRAM)))
+    {
+        printf("failed to install sync payload\n");
+        return;
+    }
+
+    if(IS_CHECKM8_FAIL(install_payload(dev, PAYLOAD_EXIT_USB_TASK, SRAM)))
+    {
+        printf("failed to install sync payload\n");
+        return;
+    }
+
+    resp = execute_payload(dev, PAYLOAD_SYNC, 0, 0);
+    if(IS_CHECKM8_FAIL(resp->ret))
+    {
+        printf("failed to execute bootstrap\n");
+        return;
+    }
+    free_dev_cmd_resp(resp);
+
+    if(IS_CHECKM8_FAIL(uninstall_payload(dev, PAYLOAD_SYNC)))
+    {
+        printf("failed to uninstall sync payload\n");
+        return;
+    }
+
+    resp = execute_payload(dev, PAYLOAD_EXIT_USB_TASK, 0,
+                           1, get_payload_address(dev, PAYLOAD_EXIT_USB_TASK));
+    if(IS_CHECKM8_FAIL(resp->ret))
+    {
+        printf("failed to exit usb task\n");
+        return;
+    }
+
+    if(IS_CHECKM8_FAIL(close_device_session(dev)))
+    {
+        printf("failed to close device session\n");
+        return;
+    }
+}