something_i_am_sure

include/usb.h

@@ -0,0 +1,34 @@
+#pragma once
+#if __has_include(<linux/types.h>)
+#include <linux/types.h>
+#else
+  #include <stdint.h>
+  typedef uint8_t u8;
+#endif
+enum op_type {
+  OP_CAPABILITIES_GET,
+  OP_GPIO_GET,
+  OP_GPIO_SET,
+  OP_GPIO_SET_DIR,
+  OP_SET_ADC_PIN,
+  OP_READ_ADC,
+  OP_GPIO_SET_BAUD,
+  OP_GPIO_WRITE_UART,
+  OP_GPIO_READ_UART,
+  OP_GPIO_SET_CLK,
+  OP_GPIO_WRITE_SPI,
+  OP_GPIO_READ_SPI
+};
+enum direction { DIR_IN, DIR_OUT };
+
+enum vendor_request {
+  GET_INFO,
+  CONTROL_PINS
+};
+
+struct __attribute__((packed)) microcontroller_capabilities {
+  u8 num_gpio;
+  u8 num_uart;
+  u8 num_spi;
+  u8 num_adc;
+};