initial commit

2025-08-26 19:58:07 -04:00
commit 7367171767
27 changed files with 4618 additions and 0 deletions
@@ -0,0 +1,36 @@
+#ifndef USB_HOST_H_
+#define USB_HOST_H_
+
+#define REPORT_MAX_SIZE		64
+#define REPORT_BUF_SIZE		256
+#define DESCRIPTOR_MAX_SIZE	256
+
+typedef enum {
+	HOST_INACTIVE=0,
+	HOST_MOUNTED,
+	HOST_UNMOUNTED,
+	HOST_START_LISTEN,
+	HOST_LISTENING,
+	HOST_STOP_LISTEN,
+} host_state_t;
+
+struct report_desc {
+	uint8_t dev_addr;
+	uint8_t instance;
+	uint8_t descriptor[DESCRIPTOR_MAX_SIZE];
+	uint16_t desc_len;
+	struct report_desc *next;
+	bool listening;
+};
+
+#define REPORT_DESC_ALLOC() (struct report_desc *)malloc(sizeof(struct report_desc))
+
+extern host_state_t host_state;
+extern struct report_desc *descriptors;
+extern uint8_t num_mounted;
+
+void usb_host_main(void);
+struct report_desc * report_desc_find(uint8_t dev_addr, uint8_t instance);
+
+#endif
+