/******************************************************************
* Copyright (C) 2009 Ram Narula
* Filename: compatArduino.cpp
* Version: 0.11
* Date: 16 July 2009
* Information: http://www.xduino.com/
******************************************************************/
/******************************************************************
* This file is part of Xduino
*
* Xduino 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 3 of the License, or
* (at your option) any later version.
*
* Xduino 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 Xduino. If not, see .
******************************************************************/
extern "C" {
#include "stm32f10x_lib.h"
}
#include "Serial.h"
#include "doGPIO.h"
#include "definePin.h"
#include "compatArduino.h"
ArdSerial::ArdSerial(u8 port_) : port(port_)
{
}
void ArdSerial::begin(u32 Baudrate_)
{
Baudrate=Baudrate_;
USART_TypeDef* UxARTx;
//Initialize RCC and GPIO modes for both Rx and Tx pins
switch(port)
{
case 1:
UxARTx=USART1;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
doGPIO(GPIOA,GPIO_Pin_10,GPIO_Mode_IN_FLOATING);
doGPIO(GPIOA,GPIO_Pin_9,GPIO_Mode_AF_PP);
break;
case 2:
UxARTx=USART2;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
doGPIO(GPIOA,GPIO_Pin_3,GPIO_Mode_IN_FLOATING);
doGPIO(GPIOA,GPIO_Pin_2,GPIO_Mode_AF_PP);
break;
case 3:
UxARTx=USART3;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
doGPIO(GPIOB,GPIO_Pin_11,GPIO_Mode_IN_FLOATING);
doGPIO(GPIOB,GPIO_Pin_10,GPIO_Mode_AF_PP);
break;
case 4:
UxARTx=UART4;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB1Periph_UART4, ENABLE);
doGPIO(GPIOC,GPIO_Pin_11,GPIO_Mode_IN_FLOATING);
doGPIO(GPIOC,GPIO_Pin_10,GPIO_Mode_AF_PP);
break;
case 5:
UxARTx=UART5;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE);
doGPIO(GPIOD,GPIO_Pin_2,GPIO_Mode_IN_FLOATING);
doGPIO(GPIOC,GPIO_Pin_12,GPIO_Mode_AF_PP);
break;
default:
UxARTx=USART1;
}
USART_InitTypeDef USART_InitStructure;
// USART1 Baudrate 8N1 no hardware flow control
USART_InitStructure.USART_BaudRate = Baudrate;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No ;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
// USART_InitStructure.USART_CPOL = USART_CPOL_Low;
// USART_InitStructure.USART_CPHA = USART_CPHA_2Edge;
// USART_InitStructure.USART_LastBit = USART_LastBit_Disable;
USART_Init(UxARTx, &USART_InitStructure);
USART_Cmd(UxARTx, ENABLE); // and finally start USART1
}
u16 ArdSerial::print(u16 w)
{
while (!(USART1->SR & USART_FLAG_TXE));
return(USART1->DR = (w & 0x1FF)); //upto 9 bits
}
void ArdSerial::print(char *s)
{
while(*s) // Check for end of string
{
print(*s++);
}
}
void ArdSerial::println(char *s)
{
print(s);
print("\r\n");
}
char ArdSerial::read(void)
{
while (!(USART1->SR & USART_FLAG_RXNE));
return (USART1->DR & 0xFF); //upto 8 bits
}
u16 ArdSerial::getdata(void)
{
while (!(USART1->SR & USART_FLAG_RXNE));
return ((u16)(USART1->DR & 0x1FF)); //upto 9 bits
}
bool ArdSerial::available(void)
{
return (bool)(USART1->SR & USART_FLAG_RXNE);
}
void pinMode(u8 Pxn,GPIOMode_TypeDef GPIOMode)
{
definePin myPin=definePin(Pxn);
doGPIO myGPIOPin=doGPIO(myPin.GPIObank,myPin.GPIOPin,GPIOMode);
}
void digitalWrite(u8 Pxn,bool data)
{
definePin myPin=definePin(Pxn);
(data)?myPin.GPIObank->BSRR|=myPin.GPIOPin:myPin.GPIObank->BRR|=myPin.GPIOPin;
}
bool digitalRead(u8 Pxn)
{
definePin myPin=definePin(Pxn);
return (bool)(myPin.GPIObank->IDR & myPin.GPIOPin);
}
/*
definePin::definePin(u8 Pxn)
{
switch ((Pxn & 0xF0) >> 4) //AND with 11110000 and right shift 4 bits
{
case 1:
GPIObank=GPIOA;
break;
case 2:
GPIObank=GPIOB;
break;
case 3:
GPIObank=GPIOC;
break;
case 4:
GPIObank=GPIOD;
break;
case 5:
GPIObank=GPIOE;
break;
case 6:
GPIObank=GPIOF;
break;
case 7:
GPIObank=GPIOG;
break;
}
switch (Pxn & 0x0F) //AND with 00001111 to get the first 4 bits Pin number
{
case 0:
GPIOPin=GPIO_Pin_0;
break;
case 1:
GPIOPin=GPIO_Pin_1;
break;
case 2:
GPIOPin=GPIO_Pin_2;
break;
case 3:
GPIOPin=GPIO_Pin_3;
break;
case 4:
GPIOPin=GPIO_Pin_4;
break;
case 5:
GPIOPin=GPIO_Pin_5;
break;
case 6:
GPIOPin=GPIO_Pin_6;
break;
case 7:
GPIOPin=GPIO_Pin_7;
break;
case 8:
GPIOPin=GPIO_Pin_8;
break;
case 9:
GPIOPin=GPIO_Pin_9;
break;
case 10:
GPIOPin=GPIO_Pin_10;
break;
case 11:
GPIOPin=GPIO_Pin_11;
break;
case 12:
GPIOPin=GPIO_Pin_12;
break;
case 13:
GPIOPin=GPIO_Pin_13;
break;
case 14:
GPIOPin=GPIO_Pin_14;
break;
case 15:
GPIOPin=GPIO_Pin_15;
break;
default:
break;
}
}
*/
/*
char *s=&Px[2];
int pin;
pin= *s - 48; s++; //0 char value is 48
if(*s) { pin=( pin * 10 )+( *s - 48); } //get second digit if any
*/