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epd42/components/serialization/connectivity/codecs/common/conn_mw.c
Shuanglei Tao f353d23368 Initial commit
2024-11-11 15:35:36 +08:00

85 lines
2.6 KiB
C

/* Copyright (c) 2014 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
#include <stddef.h>
#include "ble_serialization.h"
#include "nrf_soc.h"
#include "ble.h"
#include "ble_l2cap.h"
#include "ble_gap.h"
#include "ble_gattc.h"
#include "ble_gatts.h"
/**@brief Connectivity middleware handler type. */
typedef uint32_t (*conn_mw_handler_t)(uint8_t const * const p_rx_buf,
uint32_t rx_buf_len,
uint8_t * const p_tx_buf,
uint32_t * const p_tx_buf_len);
/**@brief Connectivity middleware item. */
typedef struct
{
uint8_t opcode; /**< Opcode by which specific codec is identified */
conn_mw_handler_t fp_handler; /**< Function pointer to handler associated with given opcode */
} conn_mw_item_t;
/* Include handlers for given softdevice */
#include "conn_mw_items.c"
/**@brief Number of registered connectivity middleware handlers. */
static const uint32_t conn_mw_item_len = sizeof (conn_mw_item) / sizeof (conn_mw_item[0]);
/**@brief Local function for finding connectivity middleware handler in the table.. */
static conn_mw_handler_t conn_mw_handler_get(uint8_t opcode)
{
conn_mw_handler_t fp_handler = NULL;
uint32_t i;
for (i = 0; i < conn_mw_item_len; i++)
{
if (opcode == conn_mw_item[i].opcode)
{
fp_handler = conn_mw_item[i].fp_handler;
break;
}
}
return fp_handler;
}
uint32_t conn_mw_handler(uint8_t const * const p_rx_buf,
uint32_t rx_buf_len,
uint8_t * const p_tx_buf,
uint32_t * const p_tx_buf_len)
{
SER_ASSERT_NOT_NULL(p_rx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf_len);
conn_mw_handler_t fp_handler;
uint32_t err_code = NRF_SUCCESS;
uint8_t opcode = p_rx_buf[SER_CMD_OP_CODE_POS];
fp_handler = conn_mw_handler_get(opcode);
if (fp_handler)
{
err_code = fp_handler(p_rx_buf, rx_buf_len, p_tx_buf, p_tx_buf_len);
}
else
{
err_code = NRF_ERROR_NOT_SUPPORTED;
}
return err_code;
}