libmodbus: update to 3.1.6
Also fix the license information: in older versions the test programs were GPL 3 licensed, but meanwhile it changed to BSD license. But since this package only packages the library itself, we can safely focus only on the LGPL here which covers the library itself. While at, fix a minor nitpick during library symlink installation. Signed-off-by: Michael Heimpold <mhei@heimpold.de>
This commit is contained in:
Michael Heimpold
parent
9c9b846da3
commit
99d6731ed9
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@ -8,17 +8,17 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=libmodbus
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PKG_VERSION:=3.1.4
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PKG_RELEASE:=3
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PKG_VERSION:=3.1.6
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PKG_RELEASE:=1
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PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=http://libmodbus.org/releases
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PKG_HASH:=c8c862b0e9a7ba699a49bc98f62bdffdfafd53a5716c0e162696b4bf108d3637
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PKG_HASH:=d7d9fa94a16edb094e5fdf5d87ae17a0dc3f3e3d687fead81835d9572cf87c16
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PKG_MAINTAINER:=Michael Heimpold <mhei@heimpold.de>
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PKG_LICENSE:=GPL-3.0-or-later LGPL-2.1-or-later
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PKG_LICENSE_FILES:=COPYING COPYING.LESSER
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PKG_LICENSE:=LGPL-2.1-or-later
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PKG_LICENSE_FILES:=COPYING.LESSER
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PKG_FIXUP:=autoreconf
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PKG_INSTALL:=1
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@ -50,7 +50,7 @@ endef
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define Package/libmodbus/install
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$(INSTALL_DIR) $(1)/usr/lib
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/libmodbus.so* $(1)/usr/lib/
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$(CP) $(PKG_INSTALL_DIR)/usr/lib/libmodbus.so.* $(1)/usr/lib/
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endef
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$(eval $(call BuildPackage,libmodbus))
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@ -0,0 +1,35 @@
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From f1eb4bc7ccb09cd8d19ab641ee37637f8c34d16d Mon Sep 17 00:00:00 2001
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From: i-ky <gl.ivanovsky@gmail.com>
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Date: Tue, 10 Jul 2018 15:58:45 +0300
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Subject: [PATCH] Fixed MODBUS_GET_* macros in case of negative values
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In case resulting value should be negative it is incorrect to use '+' operator to construct it from pieces, because highest bytes will result in negative number after bitwise shift while others will stay positive. Replacing addition with '|' should solve the issue.
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---
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src/modbus.h | 10 +++++-----
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1 file changed, 5 insertions(+), 5 deletions(-)
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diff --git a/src/modbus.h b/src/modbus.h
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index f6e9a5f..c63f5ce 100644
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--- a/src/modbus.h
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+++ b/src/modbus.h
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@@ -245,12 +245,12 @@ MODBUS_API int modbus_reply_exception(modbus_t *ctx, const uint8_t *req,
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#define MODBUS_GET_HIGH_BYTE(data) (((data) >> 8) & 0xFF)
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#define MODBUS_GET_LOW_BYTE(data) ((data) & 0xFF)
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#define MODBUS_GET_INT64_FROM_INT16(tab_int16, index) \
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- (((int64_t)tab_int16[(index) ] << 48) + \
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- ((int64_t)tab_int16[(index) + 1] << 32) + \
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- ((int64_t)tab_int16[(index) + 2] << 16) + \
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+ (((int64_t)tab_int16[(index) ] << 48) | \
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+ ((int64_t)tab_int16[(index) + 1] << 32) | \
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+ ((int64_t)tab_int16[(index) + 2] << 16) | \
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(int64_t)tab_int16[(index) + 3])
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-#define MODBUS_GET_INT32_FROM_INT16(tab_int16, index) ((tab_int16[(index)] << 16) + tab_int16[(index) + 1])
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-#define MODBUS_GET_INT16_FROM_INT8(tab_int8, index) ((tab_int8[(index)] << 8) + tab_int8[(index) + 1])
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+#define MODBUS_GET_INT32_FROM_INT16(tab_int16, index) ((tab_int16[(index)] << 16) | tab_int16[(index) + 1])
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+#define MODBUS_GET_INT16_FROM_INT8(tab_int8, index) ((tab_int8[(index)] << 8) | tab_int8[(index) + 1])
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#define MODBUS_SET_INT16_TO_INT8(tab_int8, index, value) \
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do { \
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tab_int8[(index)] = (value) >> 8; \
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--
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2.17.1
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@ -1,43 +0,0 @@
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From 1c5d969f46ccd5333f602dfbe2b0a1295650b9b0 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?St=C3=A9phane=20Raimbault?= <stephane.raimbault@gmail.com>
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Date: Wed, 25 Oct 2017 20:35:47 +0200
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Subject: [PATCH 1/2] Only set SER_RS485_ENABLED bit of existing RS485 settings
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Thanks to @JCWren
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---
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src/modbus-rtu.c | 10 +++++++++-
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1 file changed, 9 insertions(+), 1 deletion(-)
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diff --git a/src/modbus-rtu.c b/src/modbus-rtu.c
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index 8d9f386..f2911d6 100644
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--- a/src/modbus-rtu.c
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+++ b/src/modbus-rtu.c
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@@ -909,9 +909,13 @@ int modbus_rtu_set_serial_mode(modbus_t *ctx, int mode)
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#if HAVE_DECL_TIOCSRS485
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modbus_rtu_t *ctx_rtu = ctx->backend_data;
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struct serial_rs485 rs485conf;
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- memset(&rs485conf, 0x0, sizeof(struct serial_rs485));
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if (mode == MODBUS_RTU_RS485) {
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+ // Get
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+ if (ioctl(ctx->s, TIOCGRS485, &rs485conf) < 0) {
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+ return -1;
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+ }
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+ // Set
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rs485conf.flags = SER_RS485_ENABLED;
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if (ioctl(ctx->s, TIOCSRS485, &rs485conf) < 0) {
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return -1;
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@@ -923,6 +927,10 @@ int modbus_rtu_set_serial_mode(modbus_t *ctx, int mode)
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/* Turn off RS485 mode only if required */
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if (ctx_rtu->serial_mode == MODBUS_RTU_RS485) {
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/* The ioctl call is avoided because it can fail on some RS232 ports */
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+ if (ioctl(ctx->s, TIOCGRS485, &rs485conf) < 0) {
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+ return -1;
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+ }
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+ rs485conf.flags &= ~SER_RS485_ENABLED;
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if (ioctl(ctx->s, TIOCSRS485, &rs485conf) < 0) {
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return -1;
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}
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--
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2.21.0
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@ -1,25 +0,0 @@
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From 91a1d74f76c64e7b35bfb10114e1a4a6ff351656 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?St=C3=A9phane=20Raimbault?= <stephane.raimbault@gmail.com>
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Date: Thu, 26 Oct 2017 11:10:31 +0200
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Subject: [PATCH 2/2] Oops fix OR on RS485 settings (1c5d969)
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---
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src/modbus-rtu.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/modbus-rtu.c b/src/modbus-rtu.c
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index f2911d6..190298e 100644
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--- a/src/modbus-rtu.c
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+++ b/src/modbus-rtu.c
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@@ -916,7 +916,7 @@ int modbus_rtu_set_serial_mode(modbus_t *ctx, int mode)
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return -1;
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}
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// Set
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- rs485conf.flags = SER_RS485_ENABLED;
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+ rs485conf.flags |= SER_RS485_ENABLED;
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if (ioctl(ctx->s, TIOCSRS485, &rs485conf) < 0) {
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return -1;
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}
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--
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2.21.0
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