add i2c led

2025-08-21 23:32:18 +08:00
parent 0bd2a89669
commit fa22805dc6
281 changed files with 508 additions and 242 deletions
@@ -0,0 +1,107 @@
+/*
+ * FreeModbus Libary: RT-Thread Port
+ * Copyright (C) 2013 Armink <armink.ztl@gmail.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * File: $Id: porttimer_m.c,v 1.60 2013/08/13 15:07:05 Armink add Master Functions$
+ */
+
+/* ----------------------- Platform includes --------------------------------*/
+#include "port.h"
+
+/* ----------------------- Modbus includes ----------------------------------*/
+#include "mb.h"
+#include "mb_m.h"
+#include "mbport.h"
+
+#if MB_MASTER_RTU_ENABLED > 0 || MB_MASTER_ASCII_ENABLED > 0
+/* ----------------------- Variables ----------------------------------------*/
+static USHORT usT35TimeOut50us;
+static struct rt_timer timer;
+static void prvvTIMERExpiredISR(void);
+static void timer_timeout_ind(void* parameter);
+
+/* ----------------------- static functions ---------------------------------*/
+static void prvvTIMERExpiredISR(void);
+
+/* ----------------------- Start implementation -----------------------------*/
+BOOL xMBMasterPortTimersInit(USHORT usTimeOut50us)
+{
+    /* backup T35 ticks */
+    usT35TimeOut50us = usTimeOut50us;
+
+    rt_timer_init(&timer, "master timer",
+                   timer_timeout_ind, /* bind timeout callback function */
+                   RT_NULL,
+                   (50 * usT35TimeOut50us) / (1000 * 1000 / RT_TICK_PER_SECOND) + 1,
+                   RT_TIMER_FLAG_ONE_SHOT); /* one shot */
+
+    return TRUE;
+}
+
+void vMBMasterPortTimersT35Enable()
+{
+    rt_tick_t timer_tick = (50 * usT35TimeOut50us)
+            / (1000 * 1000 / RT_TICK_PER_SECOND) + 1;
+
+    /* Set current timer mode, don't change it.*/
+    vMBMasterSetCurTimerMode(MB_TMODE_T35);
+
+    rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
+
+    rt_timer_start(&timer);
+}
+
+void vMBMasterPortTimersConvertDelayEnable()
+{
+    rt_tick_t timer_tick = MB_MASTER_DELAY_MS_CONVERT * RT_TICK_PER_SECOND / 1000;
+
+    /* Set current timer mode, don't change it.*/
+    vMBMasterSetCurTimerMode(MB_TMODE_CONVERT_DELAY);
+
+    rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
+
+    rt_timer_start(&timer);
+}
+
+void vMBMasterPortTimersRespondTimeoutEnable()
+{
+    rt_tick_t timer_tick = MB_MASTER_TIMEOUT_MS_RESPOND * RT_TICK_PER_SECOND / 1000;
+
+    /* Set current timer mode, don't change it.*/
+    vMBMasterSetCurTimerMode(MB_TMODE_RESPOND_TIMEOUT);
+
+    rt_timer_control(&timer, RT_TIMER_CTRL_SET_TIME, &timer_tick);
+
+    rt_timer_start(&timer);
+}
+
+void vMBMasterPortTimersDisable()
+{
+    rt_timer_stop(&timer);
+}
+
+void prvvTIMERExpiredISR(void)
+{
+    (void) pxMBMasterPortCBTimerExpired();
+}
+
+static void timer_timeout_ind(void* parameter)
+{
+    prvvTIMERExpiredISR();
+}
+
+#endif