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Cellular: Fix max packet size for BC95 driver

pull/10180/head
Ari Parkkila 2019-03-21 00:57:26 -07:00
parent 2192a8796e
commit bdd07b6a37
1 changed files with 7 additions and 1 deletions
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8
features/cellular/framework/targets/QUECTEL/BC95/QUECTEL_BC95_CellularStack.cpp
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@ -19,6 +19,8 @@
#include "CellularUtil.h"
#include "CellularLog.h"
#define PACKET_SIZE_MAX 1358
using namespace mbed;
using namespace mbed_cellular_util;
@ -174,6 +176,10 @@ nsapi_size_or_error_t QUECTEL_BC95_CellularStack::socket_sendto_impl(CellularSoc
{
int sent_len = 0;
if (size > PACKET_SIZE_MAX) {
return NSAPI_ERROR_PARAMETER;
}
char *hexstr = new char[size * 2 + 1];
int hexlen = char_str_to_hex_str((const char *)data, size, hexstr);
// NULL terminated for write_string
@ -220,7 +226,7 @@ nsapi_size_or_error_t QUECTEL_BC95_CellularStack::socket_recvfrom_impl(CellularS
_at.cmd_start("AT+NSORF=");
_at.write_int(socket->id);
_at.write_int(size);
_at.write_int(size <= PACKET_SIZE_MAX ? size : PACKET_SIZE_MAX);
_at.cmd_stop();
_at.resp_start();
// receiving socket id