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demo: Use GIOChannels, makes it work on MinGW.

This commit is contained in:
Uwe Hermann 2011-01-16 14:12:52 +01:00
parent fbf1ff5d22
commit d35aaf0256
1 changed files with 24 additions and 2 deletions
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26
hardware/demo/demo.c
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@ -23,6 +23,11 @@
#include <unistd.h>
#include <string.h>
#include <sigrok.h>
#ifdef _WIN32
#include <io.h>
#include <fcntl.h>
#define pipe(fds) _pipe(fds, 4096, _O_BINARY)
#endif
#include "config.h"
#define NUM_PROBES 8
@ -36,6 +41,8 @@ enum {
GENMODE_INC,
};
GIOChannel *channels[2];
struct databag {
int pipe_fds[2];
uint8_t sample_generator;
@ -225,6 +232,7 @@ static void thread_func(void *data)
struct databag *mydata = data;
uint8_t buf[BUFSIZE];
uint64_t nb_to_send = 0;
int bytes_written;
while (thread_running) {
if (limit_samples)
@ -244,7 +252,9 @@ static void thread_func(void *data)
samples_generator(buf, nb_to_send, data);
mydata->samples_counter += nb_to_send;
write(mydata->pipe_fds[1], &buf, nb_to_send);
g_io_channel_write_chars(channels[1], (gchar *)&buf,
nb_to_send, &bytes_written, NULL);
g_usleep(mydata->loop_sleep);
}
}
@ -259,7 +269,8 @@ static int receive_data(int fd, int revents, void *user_data)
/* Avoid compiler warnings. */
revents = revents;
z = read(fd, &c, BUFSIZE);
g_io_channel_read_chars(channels[0], (gchar *)&c, BUFSIZE, &z, NULL);
if (z > 0) {
packet.type = DF_LOGIC;
packet.length = z;
@ -289,6 +300,17 @@ static int hw_start_acquisition(int device_index, gpointer session_device_id)
if (pipe(mydata->pipe_fds))
return SIGROK_ERR;
channels[0] = g_io_channel_unix_new(mydata->pipe_fds[0]);
channels[1] = g_io_channel_unix_new(mydata->pipe_fds[1]);
/* Set channel encoding to binary (default is UTF-8). */
g_io_channel_set_encoding(channels[0], NULL, NULL);
g_io_channel_set_encoding(channels[1], NULL, NULL);
/* Make channels to unbuffered. */
g_io_channel_set_buffered(channels[0], FALSE);
g_io_channel_set_buffered(channels[1], FALSE);
source_add(mydata->pipe_fds[0], G_IO_IN | G_IO_ERR, 40, receive_data,
session_device_id);