--
Uwe Bonnes bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
Institut fuer Kernphysik Schlossgartenstrasse 9 64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------
>From ddbf62ed04743bc2a562563b7630e21bb322c3fc Mon Sep 17 00:00:00 2001
From: Uwe Bonnes <bon@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Date: Thu, 29 Sep 2011 13:30:25 +0200
Subject: Remove examples/serial_read.c and use examples/serial_test.c from
libftdi-1
---
examples/CMakeLists.txt | 4 +-
examples/serial_read.c | 81 ---------------------
examples/serial_test.c | 179 +++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 181 insertions(+), 83 deletions(-)
delete mode 100644 examples/serial_read.c
create mode 100644 examples/serial_test.c
diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index d2aeecb..e80872c 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -18,7 +18,7 @@ if (EXAMPLES)
add_executable(bitbang_cbus bitbang_cbus.c)
add_executable(bitbang_ft2232 bitbang_ft2232.c)
add_executable(find_all find_all.c)
- add_executable(serial_read serial_read.c)
+ add_executable(serial_test serial_test.c)
add_executable(baud_test baud_test.c)
# Linkage
@@ -28,7 +28,7 @@ if (EXAMPLES)
target_link_libraries(bitbang_cbus ftdi)
target_link_libraries(bitbang_ft2232 ftdi)
target_link_libraries(find_all ftdi)
- target_link_libraries(serial_read ftdi)
+ target_link_libraries(serial_test ftdi)
target_link_libraries(baud_test ftdi)
# libftdi++ examples
diff --git a/examples/serial_read.c b/examples/serial_read.c
deleted file mode 100644
index 754ca4a..0000000
--- a/examples/serial_read.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/* serial_read.c
-
- Read data via serial I/O
-
- This program is distributed under the GPL, version 2
-*/
-
-#include <stdio.h>
-#include <unistd.h>
-#include <getopt.h>
-#include <ftdi.h>
-
-int main(int argc, char **argv)
-{
- struct ftdi_context ftdic;
- char buf[1024];
- int f, i;
- int vid = 0x0403;
- int pid = 0x6001;
- int baudrate = 115200;
- int interface = INTERFACE_ANY;
-
- while ((i = getopt(argc, argv, "i:v:p:b:")) != -1)
- {
- switch (i)
- {
- case 'i': // 0=ANY, 1=A, 2=B, 3=C, 4=D
- interface = strtoul(optarg, NULL, 0);
- break;
- case 'v':
- vid = strtoul(optarg, NULL, 0);
- break;
- case 'p':
- pid = strtoul(optarg, NULL, 0);
- break;
- case 'b':
- baudrate = strtoul(optarg, NULL, 0);
- break;
- default:
- fprintf(stderr, "usage: %s [-i interface] [-v vid] [-p pid] [-b
baudrate]\n", *argv);
- exit(-1);
- }
- }
-
- // Init
- if (ftdi_init(&ftdic) < 0)
- {
- fprintf(stderr, "ftdi_init failed\n");
- return EXIT_FAILURE;
- }
-
- // Select first interface
- ftdi_set_interface(&ftdic, interface);
-
- // Open device
- f = ftdi_usb_open(&ftdic, vid, pid);
- if (f < 0)
- {
- fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f,
ftdi_get_error_string(&ftdic));
- exit(-1);
- }
-
- // Set baudrate
- f = ftdi_set_baudrate(&ftdic, 115200);
- if (f < 0)
- {
- fprintf(stderr, "unable to set baudrate: %d (%s)\n", f,
ftdi_get_error_string(&ftdic));
- exit(-1);
- }
-
- // Read data forever
- while ((f = ftdi_read_data(&ftdic, buf, sizeof(buf))) >= 0) {
- fprintf(stderr, "read %d bytes\n", f);
- fwrite(buf, f, 1, stdout);
- fflush(stderr);
- fflush(stdout);
- }
-
- ftdi_usb_close(&ftdic);
- ftdi_deinit(&ftdic);
-}
diff --git a/examples/serial_test.c b/examples/serial_test.c
new file mode 100644
index 0000000..20fc772
--- /dev/null
+++ b/examples/serial_test.c
@@ -0,0 +1,179 @@
+/* serial_test.c
+
+ Read/write data via serial I/O
+
+ This program is distributed under the GPL, version 2
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <signal.h>
+#include <ftdi.h>
+
+static int exitRequested = 0;
+/*
+ * sigintHandler --
+ *
+ * SIGINT handler, so we can gracefully exit when the user hits ctrl-C.
+ */
+static void
+sigintHandler(int signum)
+{
+ exitRequested = 1;
+}
+
+int main(int argc, char **argv)
+{
+ struct ftdi_context *ftdi;
+ unsigned char buf[1024];
+ int f = 0, i;
+ int vid = 0x403;
+ int pid = 0;
+ int baudrate = 115200;
+ int interface = INTERFACE_ANY;
+ int do_write = 0;
+ unsigned int pattern = 0xffff;
+ int retval = EXIT_FAILURE;
+
+ while ((i = getopt(argc, argv, "i:v:p:b:w::")) != -1)
+ {
+ switch (i)
+ {
+ case 'i': // 0=ANY, 1=A, 2=B, 3=C, 4=D
+ interface = strtoul(optarg, NULL, 0);
+ break;
+ case 'v':
+ vid = strtoul(optarg, NULL, 0);
+ break;
+ case 'p':
+ pid = strtoul(optarg, NULL, 0);
+ break;
+ case 'b':
+ baudrate = strtoul(optarg, NULL, 0);
+ break;
+ case 'w':
+ do_write = 1;
+ if (optarg)
+ pattern = strtoul(optarg, NULL, 0);
+ if (pattern > 0xff)
+ {
+ fprintf(stderr, "Please provide a 8 bit pattern\n");
+ exit(-1);
+ }
+ break;
+ default:
+ fprintf(stderr, "usage: %s [-i interface] [-v vid] [-p pid]
[-b baudrate] [-w [pattern]]\n", *argv);
+ exit(-1);
+ }
+ }
+
+ // Init
+ if ((ftdi = ftdi_new()) == 0)
+ {
+ fprintf(stderr, "ftdi_new failed\n");
+ return EXIT_FAILURE;
+ }
+
+ if (!vid && !pid && (interface == INTERFACE_ANY))
+ {
+ ftdi_set_interface(ftdi, INTERFACE_ANY);
+ struct ftdi_device_list *devlist;
+ int res;
+ if ((res = ftdi_usb_find_all(ftdi, &devlist, 0, 0)) < 0)
+ {
+ fprintf(stderr, "No FTDI with default VID/PID found\n");
+ goto do_deinit;
+ }
+ if (res == 1)
+ {
+ f = ftdi_usb_open_dev(ftdi, devlist[0].dev);
+ if (f<0)
+ {
+ fprintf(stderr, "Unable to open device %d: (%s)",
+ i, ftdi_get_error_string(ftdi));
+ }
+ }
+ ftdi_list_free(&devlist);
+ if (res > 1)
+ {
+ fprintf(stderr, "%d Devices found, please select Device with
VID/PID\n", res);
+ /* TODO: List Devices*/
+ goto do_deinit;
+ }
+ if (res == 0)
+ {
+ fprintf(stderr, "No Devices found with default VID/PID\n");
+ goto do_deinit;
+ }
+ }
+ else
+ {
+ // Select interface
+ ftdi_set_interface(ftdi, interface);
+
+ // Open device
+ f = ftdi_usb_open(ftdi, vid, pid);
+ }
+ if (f < 0)
+ {
+ fprintf(stderr, "unable to open ftdi device: %d (%s)\n", f,
ftdi_get_error_string(ftdi));
+ exit(-1);
+ }
+
+ // Set baudrate
+ f = ftdi_set_baudrate(ftdi, baudrate);
+ if (f < 0)
+ {
+ fprintf(stderr, "unable to set baudrate: %d (%s)\n", f,
ftdi_get_error_string(ftdi));
+ exit(-1);
+ }
+
+ /* Set line parameters
+ *
+ * TODO: Make these parameters settable from the command line
+ *
+ * Parameters are choosen that sending a continous stream of 0x55
+ * should give a square wave
+ *
+ */
+ f = ftdi_set_line_property(ftdi, 8, STOP_BIT_1, NONE);
+ if (f < 0)
+ {
+ fprintf(stderr, "unable to set line parameters: %d (%s)\n", f,
ftdi_get_error_string(ftdi));
+ exit(-1);
+ }
+
+ if (do_write)
+ for(i=0; i<1024; i++)
+ buf[i] = pattern;
+
+ signal(SIGINT, sigintHandler);
+ while (!exitRequested)
+ {
+ if (do_write)
+ f = ftdi_write_data(ftdi, buf,
+ (baudrate/512 >sizeof(buf))?sizeof(buf):
+ (baudrate/512)?baudrate/512:1);
+ else
+ f = ftdi_read_data(ftdi, buf, sizeof(buf));
+ if (f<0)
+ sleep(1);
+ else if(f> 0 && !do_write)
+ {
+ fprintf(stderr, "read %d bytes\n", f);
+ fwrite(buf, f, 1, stdout);
+ fflush(stderr);
+ fflush(stdout);
+ }
+ }
+ signal(SIGINT, SIG_DFL);
+ retval = EXIT_SUCCESS;
+
+ ftdi_usb_close(ftdi);
+ do_deinit:
+ ftdi_free(ftdi);
+
+ return retval;
+}
--
1.7.3.4
--
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