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add modbus slave support

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add modbus slave support
This commit is contained in:
Supowang1989
2020-02-24 21:40:06 +08:00
parent 79be128f5f
commit ef82dbfc6d
1129 changed files with 295648 additions and 1776 deletions
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79
components/connectivity/Modbus/3rdparty/freemodbus-v1.6/demo/STR71XTCP/library/adc12.c vendored Normal file
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/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
* File Name : adc12.c
* Author : MCD Application Team
* Date First Issued : 07/31/2003
* Description : Code sources of ADC12 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 "adc12.h"
/*******************************************************************************
* Function Name : ADC12_Init
* Description : Initialize the ADC
* Input : None.
* Return : None.
*******************************************************************************/
void ADC12_Init(void)
{
//Initiate ADC12 registers to their reset values
ADC12->CSR = 0x00;
ADC12->CPR = 0x01;
}
/*******************************************************************************
* Function Name : ADC12_PrescalerConfig
* Description : Configure the prescaler
* Input : None.
* Return : None.
*******************************************************************************/
void ADC12_PrescalerConfig(u32 Adc12_clk)
{
//Update the Prescaler Register
ADC12->CPR = (vu16) (RCCU_FrequencyValue(RCCU_PCLK)/(Adc12_clk*512*8));
}
/*******************************************************************************
* Function Name : ADC12_ITConfig
* Description : enable or disable the interrupt
* Input : status=ENABLE=>enable interrupt
* status=DISABLE=>disable interrupt
* Return : None
*******************************************************************************/
void ADC12_ITConfig(FunctionalState NewState)
{
if (NewState == ENABLE)
{
// Test the conversion mode
if (ADC12->CSR & 0x0040)
{
// Set interrupt bit equivalent to the channel selected
switch (ADC12->CSR & 0x30)
{
case 0x00 : ADC12->CSR |= ADC12_IT0_Mask; break;
case 0x10 : ADC12->CSR |= ADC12_IT1_Mask; break;
case 0x20 : ADC12->CSR |= ADC12_IT2_Mask; break;
case 0x30 : ADC12->CSR |= ADC12_IT3_Mask; break;
}
}
else
// Set all interrupt bits in case of round robin mode
ADC12->CSR |= ADC12_IT_Mask;
}
else
// Clear all interrupt bits
ADC12->CSR &= ~ADC12_IT_Mask;
}
/*********************(c) 2003 STMicroelectronics********************* END OF FILE **/