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- /******************************************************************************
- *
- * Copyright (C) 2020 Loci Controls Inc
- * Copyright (C) 2017-2018 Texas Instruments Incorporated - http://www.ti.com/
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 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.
- *
- * Neither the name of Texas Instruments Incorporated 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 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- ******************************************************************************/
-
- #include <stdint.h>
- #include <stdbool.h>
- #include "flashloader.h"
-
- /* Data buffers used by host to communicate with flashloader */
-
- /* Flashloader parameter structure. */
- __attribute__ ((section(".buffers.g_cfg")))
- volatile struct flash_params g_cfg[2];
- /* Data buffer 1. */
- __attribute__ ((section(".buffers.g_buf1")))
- uint8_t g_buf1[BUFFER_LEN];
- /* Data buffer 2. */
- __attribute__ ((section(".buffers.g_buf2")))
- uint8_t g_buf2[BUFFER_LEN];
-
- /* Buffer used for program with retain feature */
- __attribute__ ((section(".buffers.g_retain_buf")))
- uint8_t g_retain_buf[BUFFER_LEN];
-
- uint32_t g_curr_buf; /* Current buffer used. */
- uint32_t g_vims_ctl; /* Saved flash cache state. */
-
- /******************************************************************************
- *
- * CC2538 flashloader main function.
- *
- ******************************************************************************/
- int main(void)
- {
- flashloader_init((struct flash_params *)g_cfg, g_buf1, g_buf2);
-
- g_curr_buf = 0; /* start with the first buffer */
- uint32_t status;
-
- while (1) {
- /* Wait for host to signal buffer is ready */
- while (g_cfg[g_curr_buf].full == BUFFER_EMPTY)
- ;
-
- /* Perform requested task */
- switch (g_cfg[g_curr_buf].cmd) {
- case CMD_ERASE_ALL:
- status = flashloader_erase_all();
- break;
- case CMD_PROGRAM:
- status =
- flashloader_program(
- (uint8_t *)g_cfg[g_curr_buf].buf_addr,
- g_cfg[g_curr_buf].dest, g_cfg[g_curr_buf].len);
- break;
- case CMD_ERASE_SECTORS:
- status =
- flashloader_erase_sectors(g_cfg[g_curr_buf].dest,
- g_cfg[g_curr_buf].len);
- break;
- default:
- status = STATUS_FAILED_UNKNOWN_COMMAND;
- break;
- }
-
- /* Enter infinite loop on error condition */
- if (status != STATUS_OK) {
- g_cfg[g_curr_buf].full = status;
- while (1)
- ;
- }
-
- /* Mark current task complete, and begin looking at next buffer */
- g_cfg[g_curr_buf].full = BUFFER_EMPTY;
- g_curr_buf ^= 1;
- }
- }
-
- void _exit(int status)
- {
- /* Enter infinite loop on hitting an exit condition */
- (void)status; /* Unused parameter */
- while (1)
- ;
- }
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