ldrom_hid.h

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/*
 *  Copyright (c) 2020, Cascoda Ltd.
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. Neither the name of the copyright holder nor the
 *     names of its contributors may be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */
 
#ifndef BAREMETAL_PLATFORM_CASCODA_NUVOTON_CHILI2_LDROM_HID_LDROM_HID_H_
#define BAREMETAL_PLATFORM_CASCODA_NUVOTON_CHILI2_LDROM_HID_LDROM_HID_H_
 
#include <stdint.h>
 
#include "ca821x_error.h"
#include "evbme_messages.h"
 
struct dfu_write_cmd_aligned
{
    uint8_t  startAddr[4]; 
    uint32_t data[61];     
};
//Assert struct is packed even with uint32_t data
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wunused-local-typedefs" //Suppresses warnings
ca_static_assert(sizeof(struct dfu_write_cmd_aligned) == 248);
#pragma GCC diagnostic pop
 
union dfu_cmd_aligned
{
    struct evbme_dfu_reboot_cmd  reboot_cmd;
    struct evbme_dfu_erase_cmd   erase_cmd;
    struct dfu_write_cmd_aligned write_cmd;
    struct evbme_dfu_check_cmd   check_cmd;
    struct evbme_dfu_status_cmd  status_cmd;
};
 
struct SerialBuf
{
    volatile uint8_t      isReady;   
    uint8_t               cmdid;     
    uint8_t               len;       
    uint8_t               dfu_cmdid; 
    union dfu_cmd_aligned dfu_cmd;   
};
 
//Assert SerialBuf struct is packed
ca_static_assert(sizeof(struct SerialBuf) == sizeof(struct dfu_write_cmd_aligned) + 4);
 
extern struct SerialBuf gRxBuffer;
extern struct SerialBuf gTxBuffer;
 
void HID_Init(void);
void EP2_Handler(void);
void EP3_Handler(void);
 
//Functions to unblock IO:
void RxHandled(void); //Call when a Rx message has been fully processed
void TxReady(void);   //Call when a Tx is ready to send
 
#endif /* BAREMETAL_PLATFORM_CASCODA_NUVOTON_CHILI2_LDROM_HID_LDROM_HID_H_ */