[Armadeus-commitlog] armadeus branch, master, updated. armadeus-5.2-246-g3a2592e

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- Log -----------------------------------------------------------------
commit 3a2592e28baae64eaab2b02cf2881b5362525d92
Author: Janos Angeli <an...@an...>
Date:   Sun May 19 01:52:43 2013 +0200

    [BUILDROOT] 2012.02: BusyBox coreutils stty: Add RS485 config options
    
    This is the fixed version of the BusyBox coreutils stty patch.
    
    Older Linux Kernels don't have the required RS485 definitions, and this caused compilation errors
    with APF27 and APF9328 configurations. Now this definitions are included in the source code.
    
    This patch is for buildroot 2012.02 / BusyBox 1.19.4
    
    Signed-off-by: Janos Angeli <an...@an...>

-----------------------------------------------------------------------

Summary of changes:
 ...x-coreutils-stty-add-rs485-config-options.patch |  356 ++++++++++++++++++++
 patches/buildroot/2012.02/cleanup_buildroot.sh     |    1 +
 2 files changed, 357 insertions(+), 0 deletions(-)
 create mode 100644 patches/buildroot/2012.02/207-busybox-coreutils-stty-add-rs485-config-options.patch

diff --git a/patches/buildroot/2012.02/207-busybox-coreutils-stty-add-rs485-config-options.patch b/patches/buildroot/2012.02/207-busybox-coreutils-stty-add-rs485-config-options.patch
new file mode 100644
index 0000000..dc2c4f9
--- /dev/null
+++ b/patches/buildroot/2012.02/207-busybox-coreutils-stty-add-rs485-config-options.patch
@@ -0,0 +1,356 @@
+BusyBox coreutils stty: Add RS485 config options
+
+Armadeus Buildroot 2012.02 version.
+Patch only for BusyBox v1.19.4
+
+
+Signed-off-by: Janos Angeli <an...@an...>
+---
+
+Index: buildroot/package/busybox/busybox-1.19.4/001_busybox-1.19.4_stty_add_rs485_config.patch
+===================================================================
+--- /dev/null
++++ buildroot/package/busybox/busybox-1.19.4/001_busybox-1.19.4_stty_add_rs485_config.patch
+@@ -0,0 +1,342 @@
++BusyBox coreutils stty: Add RS485 config options
++
++The patch adds RS485 config options for serial devices/drivers
++which are supporting the ioctl based configurations documented in:
++https://www.kernel.org/doc/Documentation/serial/serial-rs485.txt
++
++New config parameters:
++rs485              - Switch on/off the RS485 mode
++rs485rtsonsend     - Set logical level for RTS pin when sending
++rs485rtsaftersend  - Set logical level for RTS pin after sent
++rs485rxduringtx    - Switch on/off Rx enable during packet transmit
++rs485delaybefore 0 - Set delay between RTS signaling and the
++                     transmission of the first bit
++rs485delayafter 0  - Set delay between the transmission of the last
++                     bit and the RTS state change
++
++New read only parameter:
++rs485delaylastchartx 0 - Shows the automatically calculated delay
++                         between the serial port Tx FIFO empty
++                         state and the last bit transmission
++
++Currently the following serial drivers supports the RS485 options:
++- crisv10.c ETRAX 100LX
++- atmel_serial.c Atmel AT91 / AT32
++- mxs-auart.c Freescale STMP37XX/STMP378X iMX28
++
++Signed-off-by: Janos Angeli <an...@an...>
++---
++Index: busybox-1.19.4/coreutils/stty.c
++===================================================================
++--- busybox-1.19.4.orig/coreutils/stty.c
+++++ busybox-1.19.4/coreutils/stty.c
++@@ -19,6 +19,8 @@
++ 
++    Special for busybox ported by Vladimir Oleynik <dz...@si...> 2001
++ 
+++   RS485 options added by Janos Angeli <an...@an...> 2013
+++
++    */
++ 
++ //usage:#define stty_trivial_usage
++@@ -33,6 +35,33 @@
++ 
++ #include "libbb.h"
++ 
+++//#include <asm/ioctls.h>
+++//We don't include <asm/ioctls.h> now, because older Linux kernels are missing the
+++//required RS485 definitions. We need only the TIOCGRS485 and TIOCSRS485 definition.
+++//In later versions we will be able to switch back to the original include.
+++#define	TIOCGRS485	0x542E
+++#define	TIOCSRS485	0x542F
+++//End of temporally include <asm/ioctls.h>
+++
+++//#include <linux/serial.h>
+++//We don't include <linux/serial.h> now, because it is missing some RS485 definitions.
+++//We need only the serial_rs485 struct from it and the __u32 def from <linux/types.h>
+++//In later versions we will be able to switch back to the original include.
+++#include <linux/types.h>
+++struct serial_rs485 {
+++	__u32	flags;			/* RS485 feature flags */
+++#define SER_RS485_ENABLED		(1 << 0)	/* If enabled */
+++#define SER_RS485_RTS_ON_SEND		(1 << 1)	/* Logical level for RTS pin when sending */
+++#define SER_RS485_RTS_AFTER_SEND	(1 << 2)	/* Logical level for RTS pin after sent */
+++#define SER_RS485_RX_DURING_TX		(1 << 4)
+++	__u32	delay_rts_before_send;	/* Delay before send */
+++	__u32	delay_rts_after_send;	/* Delay after send */
+++	__u32	delay_rts_last_char_tx;	/* Delay for last char Tx from FIFO (microseconds)
+++					   This delay is automatically calculated from baudrate */
+++	__u32	padding[4];		/* Memory is cheap, new structs are a royal PITA .. */
+++};
+++//End of temporally include <linux/serial.h>
+++
++ #ifndef _POSIX_VDISABLE
++ # define _POSIX_VDISABLE ((unsigned char) 0)
++ #endif
++@@ -966,11 +995,27 @@ static int find_param(const char *name)
++ 	return i;
++ }
++ 
++-static int recover_mode(const char *arg, struct termios *mode)
+++static int find_rs485config(const char *name)
+++{
+++	static const char params[] ALIGN1 =
+++		"rs485\0"		/* 1 */
+++		"rs485rtsonsend\0"	/* 2 */
+++		"rs485rtsaftersend\0"	/* 3 */
+++		"rs485rxduringtx\0"	/* 4 */
+++		"rs485delaybefore\0"	/* 5 */
+++		"rs485delayafter\0";	/* 6 */
+++	int i = index_in_strings(params, name) + 1;
+++	if ((i == 5) || (i == 6))
+++		i |= 0x80;
+++	return i;
+++}
+++
+++static int recover_mode(const char *arg, struct termios *mode, struct serial_rs485 *rs485conf, int paramcheck, int rs485)
++ {
++ 	int i, n;
++ 	unsigned chr;
++ 	unsigned long iflag, oflag, cflag, lflag;
+++	unsigned long rsflags, rsdelaybefore, rsdelayafter;
++ 
++ 	/* Scan into temporaries since it is too much trouble to figure out
++ 	   the right format for 'tcflag_t' */
++@@ -989,15 +1034,28 @@ static int recover_mode(const char *arg,
++ 		arg += n;
++ 	}
++ 
+++	if (rs485 >= 0) {
+++		if (sscanf(arg, ":%lx:%lx:%lx%n", &rsflags, &rsdelaybefore, &rsdelayafter, &n) != 3)
+++			return 0;
+++		rs485conf->flags = rsflags;
+++		rs485conf->delay_rts_before_send = rsdelaybefore;
+++		rs485conf->delay_rts_after_send = rsdelayafter;
+++		arg += n;
+++	}
+++
++ 	/* Fail if there are too many fields */
++-	if (*arg != '\0')
+++	if (*arg != '\0') {
+++		/* In the first pass of params verify we don't know the port device
+++		   have RS485 support or not, so give a try for the extra RS485 params */
+++		if ((paramcheck) && (sscanf(arg, ":%lx:%lx:%lx%n", &rsflags, &rsdelaybefore, &rsdelayafter, &n) == 3))
+++			return 1;
++ 		return 0;
++-
+++	}
++ 	return 1;
++ }
++ 
++-static void display_recoverable(const struct termios *mode,
++-				int UNUSED_PARAM dummy)
+++static void display_recoverable(const struct termios *mode, const struct serial_rs485 *rs485conf,
+++				int UNUSED_PARAM dummy, int rs485)
++ {
++ 	int i;
++ 	printf("%lx:%lx:%lx:%lx",
++@@ -1005,6 +1063,12 @@ static void display_recoverable(const st
++ 		   (unsigned long) mode->c_cflag, (unsigned long) mode->c_lflag);
++ 	for (i = 0; i < NCCS; ++i)
++ 		printf(":%x", (unsigned int) mode->c_cc[i]);
+++	if (rs485 >= 0) {
+++		printf(":%lx:%lx:%lx",
+++			(unsigned long) rs485conf->flags,
+++			(unsigned long) rs485conf->delay_rts_before_send,
+++			(unsigned long) rs485conf->delay_rts_after_send);
+++	}
++ 	bb_putchar('\n');
++ }
++ 
++@@ -1025,7 +1089,7 @@ static void display_speed(const struct t
++ 	wrapf(fmt_str, tty_baud_to_value(ispeed), tty_baud_to_value(ospeed));
++ }
++ 
++-static void do_display(const struct termios *mode, int all)
+++static void do_display(const struct termios *mode, const struct serial_rs485 *rs485conf, int all, int rs485)
++ {
++ 	int i;
++ 	tcflag_t *bitsp;
++@@ -1086,6 +1150,25 @@ static void do_display(const struct term
++ 		}
++ 	}
++ 	newline();
+++
+++	if (rs485 < 0) {
+++		if (all) {
+++			wrapf("RS485 not supported");
+++			newline();
+++		}
+++	} else {
+++		wrapf("%srs485 %srs485rtsonsend %srs485rtsaftersend %srs485rxduringtx",
+++			(rs485conf->flags & SER_RS485_ENABLED) ? "" : "-",
+++			(rs485conf->flags & SER_RS485_RTS_ON_SEND) ? "" : "-",
+++			(rs485conf->flags & SER_RS485_RTS_AFTER_SEND) ? "" : "-",
+++			(rs485conf->flags & SER_RS485_RX_DURING_TX) ? "" : "-");
+++		newline();
+++		wrapf("rs485delaybefore = %d; rs485delayafter = %d; rs485delaylastchartx = %d;\n",
+++			rs485conf->delay_rts_before_send,
+++			rs485conf->delay_rts_after_send,
+++			rs485conf->delay_rts_last_char_tx);
+++		newline();
+++	}
++ }
++ 
++ static void sane_mode(struct termios *mode)
++@@ -1277,11 +1360,14 @@ int stty_main(int argc, char **argv) MAI
++ int stty_main(int argc UNUSED_PARAM, char **argv)
++ {
++ 	struct termios mode;
++-	void (*output_func)(const struct termios *, int);
+++	struct serial_rs485 rs485conf;
+++	void (*output_func)(const struct termios *, const struct serial_rs485 *, int, int);
++ 	const char *file_name = NULL;
++ 	int display_all = 0;
++ 	int stty_state;
++ 	int k;
+++	int rs485_supported;
+++	int rs485_setconfig;
++ 
++ 	INIT_G();
++ 
++@@ -1306,6 +1392,11 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 				stty_state &= ~STTY_noargs;
++ 				continue;
++ 			}
+++			param = find_rs485config(arg+1);
+++			if ((param) && ((param & param_need_arg) == 0)) {
+++				stty_state &= ~STTY_noargs;
+++				continue;
+++			}
++ 			/* It is an option - parse it */
++ 			i = 0;
++ 			while (arg[++i]) {
++@@ -1360,6 +1451,17 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 			continue;
++ 		}
++ 
+++		param = find_rs485config(arg);
+++		if (param & param_need_arg) {
+++			if (!argnext)
+++				bb_error_msg_and_die(bb_msg_requires_arg, arg);
+++			++k;
+++		}
+++		if (param) {
+++			stty_state &= ~STTY_noargs;
+++			continue;
+++		}
+++
++ 		param = find_param(arg);
++ 		if (param & param_need_arg) {
++ 			if (!argnext)
++@@ -1394,7 +1496,7 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 			set_speed_or_die(output_speed, argnext, &mode);
++ 			break;
++ 		default:
++-			if (recover_mode(arg, &mode) == 1) break;
+++			if (recover_mode(arg, &mode, &rs485conf, 1, -1) == 1) break;
++ 			if (tty_value_to_baud(xatou(arg)) != (speed_t) -1) break;
++  invalid_argument:
++ 			bb_error_msg_and_die("invalid argument '%s'", arg);
++@@ -1425,15 +1527,17 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 	memset(&mode, 0, sizeof(mode));
++ 	if (tcgetattr(STDIN_FILENO, &mode))
++ 		perror_on_device_and_die("%s");
+++	rs485_supported = ioctl(STDIN_FILENO, TIOCGRS485, &rs485conf);
++ 
++ 	if (stty_state & (STTY_verbose_output | STTY_recoverable_output | STTY_noargs)) {
++ 		get_terminal_width_height(STDOUT_FILENO, &G.max_col, NULL);
++-		output_func(&mode, display_all);
+++		output_func(&mode, &rs485conf, display_all, rs485_supported);
++ 		return EXIT_SUCCESS;
++ 	}
++ 
++ 	/* Second pass: perform actions */
++ 	k = 0;
+++	rs485_setconfig = 0;
++ 	while (argv[++k]) {
++ 		const struct mode_info *mp;
++ 		const struct control_info *cp;
++@@ -1447,6 +1551,23 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 				set_mode(mp, 1 /* reversed */, &mode);
++ 				stty_state |= STTY_require_set_attr;
++ 			}
+++			param = find_rs485config(arg+1);
+++			if ((param) && ((param & param_need_arg) == 0)) {
+++				rs485_setconfig = 1;
+++				switch (param) {
+++					case 1:
+++						rs485conf.flags &= ~SER_RS485_ENABLED;
+++						break;
+++					case 2:
+++						rs485conf.flags &= ~SER_RS485_RTS_ON_SEND;
+++						break;
+++					case 3:
+++						rs485conf.flags &= ~SER_RS485_RTS_AFTER_SEND;
+++						break;
+++					case 4:
+++						rs485conf.flags &= ~SER_RS485_RX_DURING_TX;
+++				}
+++			}
++ 			/* It is an option - already parsed. Skip it */
++ 			continue;
++ 		}
++@@ -1466,6 +1587,33 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 			continue;
++ 		}
++ 
+++		param = find_rs485config(arg);
+++		if (param) {
+++			rs485_setconfig = 1;
+++			if (param & param_need_arg)
+++				++k;
+++			switch (param & 0x7F) {
+++				case 1:
+++					rs485conf.flags |= SER_RS485_ENABLED;
+++					break;
+++				case 2:
+++					rs485conf.flags |= SER_RS485_RTS_ON_SEND;
+++					break;
+++				case 3:
+++					rs485conf.flags |= SER_RS485_RTS_AFTER_SEND;
+++					break;
+++				case 4:
+++					rs485conf.flags |= SER_RS485_RX_DURING_TX;
+++					break;
+++				case 5:
+++					rs485conf.delay_rts_before_send = xatoul_sfx(argnext, stty_suffixes);
+++					break;
+++				case 6:
+++					rs485conf.delay_rts_after_send = xatoul_sfx(argnext, stty_suffixes);
+++			}
+++			continue;
+++		}
+++
++ 		param = find_param(arg);
++ 		if (param & param_need_arg) {
++ 			++k;
++@@ -1502,9 +1650,11 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 			stty_state |= (STTY_require_set_attr | STTY_speed_was_set);
++ 			break;
++ 		default:
++-			if (recover_mode(arg, &mode) == 1)
+++			if (recover_mode(arg, &mode, &rs485conf, 0, rs485_supported) == 1) {
++ 				stty_state |= STTY_require_set_attr;
++-			else /* true: if (tty_value_to_baud(xatou(arg)) != (speed_t) -1) */{
+++				if (rs485_supported >= 0)
+++					rs485_setconfig = 1;
+++			} else /* true: if (tty_value_to_baud(xatou(arg)) != (speed_t) -1) */{
++ 				set_speed_or_die(both_speeds, arg, &mode);
++ 				stty_state |= (STTY_require_set_attr | STTY_speed_was_set);
++ 			} /* else - impossible (caught in the first pass):
++@@ -1550,5 +1700,10 @@ int stty_main(int argc UNUSED_PARAM, cha
++ 		}
++ 	}
++ 
+++	if (rs485_setconfig) {
+++		if (ioctl (STDIN_FILENO, TIOCSRS485, &rs485conf) < 0)
+++			perror_on_device_and_die("%s: cannot set RS485 options");
+++	}
+++
++ 	return EXIT_SUCCESS;
++ }
diff --git a/patches/buildroot/2012.02/cleanup_buildroot.sh b/patches/buildroot/2012.02/cleanup_buildroot.sh
index 30a0af3..f386fa4 100755
--- a/patches/buildroot/2012.02/cleanup_buildroot.sh
+++ b/patches/buildroot/2012.02/cleanup_buildroot.sh
@@ -87,3 +87,4 @@ rm -rf buildroot/package/smstools3/
 rm -rf buildroot/package/opkg/
 rm -rf buildroot/package/minicom/
 rm -rf buildroot/package/joe/
+rm -f buildroot/package/busybox/busybox-1.19.4/*.patch


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