add modbus slave support

2020-02-24 21:40:06 +08:00
parent 79be128f5f
commit ef82dbfc6d
1129 changed files with 295648 additions and 1776 deletions
--- a/components/connectivity/Modbus/3rdparty/freemodbus-v1.6/demo/STR71XTCP/library/eic.c
+++ b/components/connectivity/Modbus/3rdparty/freemodbus-v1.6/demo/STR71XTCP/library/eic.c
@@ -0,0 +1,67 @@
+/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
+* File Name          : eic.c
+* Author             : MCD Application Team
+* Date First Issued  : 06/25/2003
+* Description        : This file provides all the EIC software functions
+********************************************************************************
+* History:
+*  24/05/2005 : V3.0
+*  30/11/2004 : V2.0
+*  14/07/2004 : V1.3
+*  01/01/2004 : V1.2
+*******************************************************************************
+ THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
+ CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
+ AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
+ OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
+ OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
+ CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+*******************************************************************************/
+
+#include "eic.h"
+
+/*******************************************************************************
+* Function Name  : EIC_Init
+* Description    : Initialise the EIC using the load PC instruction
+*                  (PC = PC +offset)
+* Input          : None
+* Output         : None
+* Return         : None
+*******************************************************************************/
+void EIC_Init(void)
+{
+  extern u32 T0TIMI_Addr;
+  u8 bCounter;
+  u32 dOffset=((u32)&T0TIMI_Addr);
+  EIC->ICR = 0x00000000; // Disable FIQ and IRQ interrupts
+  EIC->IER = 0x00000000; // Disable all channels interrupts
+  EIC->IPR = 0xFFFFFFFF; // Clear all pending bits
+  EIC->FIR = 0x0000000C; // Disable all FIQ channels interrupts and clear FIQ
+                         // channels pending bits
+  EIC->CIPR = 0x00000000; // Ste the current priority level to zero
+  EIC->IVR  = 0xE59F0000; // IVR = high half of load PC instruction
+  dOffset = (dOffset+0x00007E0)<<16;
+  for(bCounter=0; bCounter<32; bCounter++) // Initialize SIRn registers
+  {
+    EIC->SIR[bCounter] = dOffset|0xF0000000;
+    dOffset += 0x00000004 << 16;
+  }
+}
+
+/*******************************************************************************
+* Function Name  : EIC_CurrentPriorityLevelConfig
+* Description    : Change the current priority level of the srved IRQ routine
+* Input 1        : New priority
+* Output         : None
+* Return         : None
+*******************************************************************************/
+void EIC_CurrentPriorityLevelConfig(u8 NewPriorityLevel)
+{
+  u32 dVal;
+  dVal = EIC->ICR;              // Save ICR content
+  EIC->ICR &= ~0x0001;          // Disable IRQ interrupts.
+  EIC->CIPR = NewPriorityLevel; // Change the current priority
+  EIC->ICR = dVal;              // Restore ICR content
+}
+
+/******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****/