Mracel.
I sent out the v2 of patches(total 3) after updating with your comment.
Let me know if you have any further comments.
Tedd
On Tuesday, May 22, 2012 09:35:35 PM you wrote:
> From: Tedd Ho-Jeong An <tedd.an@xxxxxxxxx>
>
> This adds common debug print functions that print the debug messages
> to stderr and it can be toggled with'-d' option in the parameter.
>
> It provides two functions: one for message and the other for data contents.
>
> ---
> tools/hciattach.8 | 4 ++++
> tools/hciattach.c | 39 ++++++++++++++++++++++++++++++++++++---
> tools/hciattach.h | 5 ++++-
> 3 files changed, 44 insertions(+), 4 deletions(-)
>
> diff --git a/tools/hciattach.8 b/tools/hciattach.8
> index cc97cad..eccbc61 100644
> --- a/tools/hciattach.8
> +++ b/tools/hciattach.8
> @@ -6,6 +6,7 @@ hciattach \- attach serial devices via UART HCI to BlueZ stack
> .RB [\| \-b \|]
> .RB [\| \-n \|]
> .RB [\| \-p \|]
> +.RB [\| \-d \|]
> .RB [\| \-t
> .IR timeout \|]
> .RB [\| \-s
> @@ -32,6 +33,9 @@ Don't detach from controlling terminal.
> .B \-p
> Print the PID when detaching.
> .TP
> +.B \-d
> +Print debug messages to stderr.
> +.TP
> .BI \-t " timeout"
> Specify an initialization timeout. (Default is 5 seconds.)
> .TP
> diff --git a/tools/hciattach.c b/tools/hciattach.c
> index 3e73956..e0a58de 100644
> --- a/tools/hciattach.c
> +++ b/tools/hciattach.c
> @@ -42,6 +42,7 @@
> #include <sys/poll.h>
> #include <sys/param.h>
> #include <sys/ioctl.h>
> +#include <stdarg.h>
>
> #include <bluetooth/bluetooth.h>
> #include <bluetooth/hci.h>
> @@ -73,6 +74,8 @@ struct uart_t {
>
> static volatile sig_atomic_t __io_canceled = 0;
>
> +static int debug;
> +
> static void sig_hup(int sig)
> {
> }
> @@ -144,6 +147,31 @@ static int uart_speed(int s)
> }
> }
>
> +void dbg_print(const char *fmt, ...)
> +{
> + va_list args;
> +
> + if (debug) {
> + fprintf(stderr, "dbg: ");
> + va_start(args, fmt);
> + vfprintf(stderr, fmt, args);
> + va_end(args);
> + fprintf(stderr, "\n");
> + }
> +}
> +
> +void dbg_print_pkt(char *str, unsigned char *data, int len)
> +{
> + int i;
> +
> + if (debug) {
> + fprintf(stderr, "dbg: %s", str);
> + for (i = 0; i < len; i++)
> + fprintf(stderr, "%02x ", data[i]);
> + fprintf(stderr, "\n");
> + }
> +}
> +
> int set_speed(int fd, struct termios *ti, int speed)
> {
> if (cfsetospeed(ti, uart_speed(speed)) < 0)
> @@ -161,7 +189,7 @@ int set_speed(int fd, struct termios *ti, int speed)
> /*
> * Read an HCI event from the given file descriptor.
> */
> -int read_hci_event(int fd, unsigned char* buf, int size)
> +int read_hci_event(int fd, unsigned char *buf, int size)
> {
> int remain, r;
> int count = 0;
> @@ -1260,7 +1288,7 @@ static void usage(void)
> {
> printf("hciattach - HCI UART driver initialization utility\n");
> printf("Usage:\n");
> - printf("\thciattach [-n] [-p] [-b] [-r] [-t timeout] [-s initial_speed] <tty> <type | id> [speed] [flow|noflow] [bdaddr]\n");
> + printf("\thciattach [-n] [-p] [-b] [-r] [-d] [-t timeout] [-s initial_speed] <tty> <type | id> [speed] [flow|noflow] [bdaddr]\n");
> printf("\thciattach -l\n");
> }
>
> @@ -1280,8 +1308,9 @@ int main(int argc, char *argv[])
> detach = 1;
> printpid = 0;
> raw = 0;
> + debug = 0;
>
> - while ((opt=getopt(argc, argv, "bnpt:s:lr")) != EOF) {
> + while ((opt=getopt(argc, argv, "bnpdt:s:lr")) != EOF) {
> switch(opt) {
> case 'b':
> send_break = 1;
> @@ -1314,6 +1343,10 @@ int main(int argc, char *argv[])
> raw = 1;
> break;
>
> + case 'd':
> + debug = 1;
> + break;
> +
> default:
> usage();
> exit(1);
> diff --git a/tools/hciattach.h b/tools/hciattach.h
> index a24dbc4..a9a0d02 100644
> --- a/tools/hciattach.h
> +++ b/tools/hciattach.h
> @@ -44,7 +44,10 @@
> #define HCI_UART_RESET_ON_INIT 1
> #define HCI_UART_CREATE_AMP 2
>
> -int read_hci_event(int fd, unsigned char* buf, int size);
> +void dbg_print(const char *fmt, ...);
> +void dbg_print_pkt(char *str, unsigned char *data, int len);
> +
> +int read_hci_event(int fd, unsigned char *buf, int size);
> int set_speed(int fd, struct termios *ti, int speed);
>
> int texas_init(int fd, int *speed, struct termios *ti);
>
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