/*******************************************************************************
**
** Function gatt_act_write
**
** Description GATT write operation.
**
** Returns void.
**
*******************************************************************************/
void gatt_act_write (tGATT_CLCB *p_clcb, UINT8 sec_act)
{
tGATT_TCB *p_tcb = p_clcb->p_tcb;
UINT8 rt = GATT_SUCCESS, op_code = 0;
tGATT_VALUE *p_attr = (tGATT_VALUE *)p_clcb->p_attr_buf;
if (p_attr) {
switch (p_clcb->op_subtype) {
case GATT_WRITE_NO_RSP:
p_clcb->s_handle = p_attr->handle;
op_code = (sec_act == GATT_SEC_SIGN_DATA) ? GATT_SIGN_CMD_WRITE : GATT_CMD_WRITE;
rt = gatt_send_write_msg(p_tcb,
p_clcb->clcb_idx,
op_code,
p_attr->handle,
p_attr->len,
0,
p_attr->value);
break;
case GATT_WRITE:
if (p_attr->len <= (p_tcb->payload_size - GATT_HDR_SIZE)) {
p_clcb->s_handle = p_attr->handle;
rt = gatt_send_write_msg(p_tcb,
p_clcb->clcb_idx,
GATT_REQ_WRITE,
p_attr->handle,
p_attr->len,
0,
p_attr->value);
} else { /* prepare write for long attribute */
gatt_send_prepare_write(p_tcb, p_clcb);
}
break;
case GATT_WRITE_PREPARE:
gatt_send_prepare_write(p_tcb, p_clcb);
break;
default:
rt = GATT_INTERNAL_ERROR;
GATT_TRACE_ERROR("Unknown write type: %d", p_clcb->op_subtype);
break;
}
} else {
rt = GATT_INTERNAL_ERROR;
}
if ((rt != GATT_SUCCESS && rt != GATT_CMD_STARTED && rt != GATT_CONGESTED)
|| (rt != GATT_CMD_STARTED && p_clcb->op_subtype == GATT_WRITE_NO_RSP)) {
if (rt != GATT_SUCCESS) {
GATT_TRACE_ERROR("gatt_act_write() failed op_code=0x%x rt=%d", op_code, rt);
}
gatt_end_operation(p_clcb, rt, NULL);
}
}
/*******************************************************************************
**
** Function gatt_send_prepare_write
**
** Description Send prepare write.
**
** Returns void.
**
*******************************************************************************/
void gatt_send_prepare_write(tGATT_TCB *p_tcb, tGATT_CLCB *p_clcb)
{
tGATT_VALUE *p_attr = (tGATT_VALUE *)p_clcb->p_attr_buf;
UINT16 to_send, offset;
UINT8 rt = GATT_SUCCESS;
UINT8 type = p_clcb->op_subtype;
GATT_TRACE_DEBUG1("gatt_send_prepare_write type=0x%x", type );
to_send = p_attr->len - p_attr->offset;
if (to_send > (p_tcb->payload_size - GATT_WRITE_LONG_HDR_SIZE)) /* 2 = UINT16 offset bytes */
to_send = p_tcb->payload_size - GATT_WRITE_LONG_HDR_SIZE;
p_clcb->s_handle = p_attr->handle;
offset = p_attr->offset;
if (type == GATT_WRITE_PREPARE)
{
offset += p_clcb->start_offset;
}
GATT_TRACE_DEBUG2("offset =0x%x len=%d", offset, to_send );
rt = gatt_send_write_msg(p_tcb,
p_clcb->clcb_idx,
GATT_REQ_PREPARE_WRITE,
p_attr->handle,
to_send, /* length */
offset, /* used as offset */
p_attr->value + p_attr->offset); /* data */
/* remember the write long attribute length */
p_clcb->counter = to_send;
if (rt != GATT_SUCCESS )
{
gatt_end_operation(p_clcb, rt, NULL);
}
}
