Add shared emulator services, waveform generation and STM32 USB boot ports

c/set-protocol/ports/stm32f407-periph/ump_stm32f407.h

@@ -0,0 +1,11 @@
+#ifndef UMP_STM32F407_H
+#define UMP_STM32F407_H
+#include "../../include/ump_protocol.h"
+/* Application owns framing, ID filtering, snapshot lock, and tx buffers. */
+size_t ump_stm32f407_rtu(const ump_backend *backend, unsigned device,
+    const uint8_t *request, size_t length, uint8_t *reply, size_t capacity);
+unsigned ump_stm32f407_can(const ump_backend *backend, const uint8_t *request,
+    size_t length, uint16_t *words, unsigned *token, unsigned *error);
+unsigned ump_stm32f407_fragment(const uint16_t *words, unsigned count,
+    unsigned index, unsigned token, unsigned error, uint8_t reply[8]);
+#endif