Kenji Arai / mbed-os_TYBLE16

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Dependents:   TYBLE16_simple_data_logger TYBLE16_MP3_Air

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Show/hide line numbers QUECTEL_BG96_ControlPlane_netif.cpp Source File

QUECTEL_BG96_ControlPlane_netif.cpp

00001 #include "QUECTEL_BG96_ControlPlane_netif.h"
00002 
00003 namespace mbed {
00004 
00005 QUECTEL_BG96_ControlPlane_netif::QUECTEL_BG96_ControlPlane_netif(ATHandler &at, int cid) : AT_ControlPlane_netif(at, cid)
00006 {}
00007 
00008 nsapi_size_or_error_t QUECTEL_BG96_ControlPlane_netif::send(const void *data, nsapi_size_t size)
00009 {
00010     nsapi_size_or_error_t err = _at.at_cmd_discard("+QCFGEXT", "=\"nipds\",0,", "%s%d", data, size);
00011 
00012     if (err == NSAPI_ERROR_OK ) {
00013         return size;
00014     }
00015 
00016     return err;
00017 }
00018 
00019 nsapi_size_or_error_t QUECTEL_BG96_ControlPlane_netif::recv(void *buffer, nsapi_size_t size)
00020 {
00021     _at.lock();
00022 
00023     _at.cmd_start_stop("QCFGEXT", "=", "%s%d", "nipdr", 0);
00024     _at.resp_start("+QCFGEXT: ");
00025     // skip 3 params: "nipdr",<total_receive_length>,<have_read_length>
00026     _at.skip_param(3);
00027     // get to <unread_length>
00028     int unread_length = _at.read_int();
00029     _at.resp_stop();
00030 
00031     if (!unread_length || unread_length == -1) {
00032         _at.unlock();
00033         return NSAPI_ERROR_WOULD_BLOCK ;
00034     }
00035 
00036     _at.cmd_start_stop("QCFGEXT", "=", "%s%d", "nipdr", unread_length);
00037 
00038     _at.resp_start("+QCFGEXT:");
00039     // skip "nipdr"
00040     _at.skip_param();
00041     int read_length = _at.read_int();
00042     _at.read_string((char *)buffer, read_length);
00043     _at.resp_stop();
00044     nsapi_error_t err = _at.get_last_error();
00045     _at.unlock();
00046 
00047     if (err == NSAPI_ERROR_OK  && read_length) {
00048         return read_length;
00049     }
00050 
00051     return NSAPI_ERROR_WOULD_BLOCK ;
00052 }
00053 
00054 } // mbed namespace