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Linux port: Initial implementation of linux port and mock layers

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This commit is contained in:
David Cermak
2021-05-15 22:09:08 +02:00
parent 5fdb0b572b
commit 9f4fe3a177
42 changed files with 1122 additions and 673 deletions
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60
esp_modem/src/esp_modem_uart_linux.cpp
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@ -13,3 +13,63 @@
// limitations under the License.
#include "cxx_include/esp_modem_dte.hpp"
#include <fcntl.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <unistd.h>
#include <sys/fcntl.h>
#include "cxx_include/esp_modem_dte.hpp"
#include "esp_log.h"
#include "driver/uart.h"
#include "esp_modem_config.h"
#include "exception_stub.hpp"
namespace esp_modem::terminal {
constexpr const char *TAG = "uart_term";
struct uart_resource {
explicit uart_resource(const esp_modem_dte_config *config);
~uart_resource();
uart_port_t port{};
int fd;
};
uart_resource::uart_resource(const esp_modem_dte_config *config)
{
ESP_LOGD(TAG, "Creating uart resource" );
struct termios tty = {};
fd = open( config->vfs_config.dev_name, O_RDWR | O_NOCTTY | O_NONBLOCK );
throw_if_false(fd >= 0 , "Failed to open serial port");
throw_if_false(tcgetattr(fd, &tty) == 0, "Failed to tcgetattr()");
tty.c_cflag &= ~PARENB;
tty.c_cflag &= ~CSTOPB;
tty.c_cflag &= ~CSIZE; // Clear all the size bits, then use one of the statements below
tty.c_cflag |= CS8; // 8 bits per byte (most common)
tty.c_cflag &= ~CRTSCTS; // Disable RTS/CTS hardware flow control (most common)
tty.c_cflag |= CREAD | CLOCAL; // Turn on READ & ignore ctrl lines (CLOCAL = 1)
tty.c_lflag &= ~ICANON;
tty.c_lflag &= ~ECHO; // Disable echo
tty.c_lflag &= ~ISIG; // Disable interpretation of INTR, QUIT and SUSP
tty.c_iflag &= ~(IXON | IXOFF | IXANY); // Turn off s/w flow ctrl
tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL); // Disable any special handling of received bytes
tty.c_oflag &= ~OPOST; // Prevent special interpretation of output bytes (e.g. newline chars)
tty.c_oflag &= ~ONLCR; // Prevent conversion of newline to carriage return/line feed
tty.c_cc[VTIME] = 0;
tty.c_cc[VMIN] = 0;
cfsetispeed(&tty, B115200);
cfsetospeed(&tty, B115200);
cfsetspeed(&tty, B115200);
ioctl(fd, TCSETS, &tty);
}
uart_resource::~uart_resource()
{
close(fd);
}
}