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Merge pull request #12499 from u-blox/ubx_cellular 

Cellular: For ublox modem, read '@' char first then send data.
pull/12567/head
Martin Kojtal 2020-03-04 07:58:51 +00:00 committed by GitHub
parent 804d1e613e 2fc95a5421
commit 498e2d2bc8
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 6 deletions
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12
features/cellular/framework/targets/UBLOX/AT/UBLOX_AT_CellularStack.cpp
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@ -16,7 +16,7 @@
*/
#include "UBLOX_AT_CellularStack.h"
#include "mbed_poll.h"
#include "rtos/ThisThread.h"
using namespace mbed;
using namespace mbed_cellular_util;
@ -168,17 +168,16 @@ nsapi_size_or_error_t UBLOX_AT_CellularStack::socket_sendto_impl(CellularSocket
MBED_ASSERT(socket->id != -1);
int sent_len = 0;
pollfh fhs;
fhs.fh = _at.get_file_handle();
fhs.events = POLLIN;
uint8_t ch = 0;
if (socket->proto == NSAPI_UDP) {
if (size > UBLOX_MAX_PACKET_SIZE) {
return NSAPI_ERROR_PARAMETER;
}
_at.cmd_start_stop("+USOST", "=", "%d%s%d%d", socket->id, address.get_ip_address(), address.get_port(), size);
_at.resp_start("@", true);
rtos::ThisThread::sleep_for(50); //wait for 50ms before sending data
(void)poll(&fhs, 1, 50);
_at.write_bytes((uint8_t *)data, size);
_at.resp_start("+USOST:");
@ -200,8 +199,9 @@ nsapi_size_or_error_t UBLOX_AT_CellularStack::socket_sendto_impl(CellularSocket
blk = count;
}
_at.cmd_start_stop("+USOWR", "=", "%d%d", socket->id, blk);
_at.resp_start("@", true);
rtos::ThisThread::sleep_for(50); //wait for 50ms before sending data
(void)poll(&fhs, 1, 50);
_at.write_bytes((uint8_t *)buf, blk);
_at.resp_start("+USOWR:");