111 lines
3.6 KiB
C++
111 lines
3.6 KiB
C++
/*
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* Authors (alphabetical order)
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* - Andre Bernet <bernet.andre@gmail.com>
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* - Andreas Weitl
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* - Bertrand Songis <bsongis@gmail.com>
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* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
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* - Cameron Weeks <th9xer@gmail.com>
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* - Erez Raviv
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* - Gabriel Birkus
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* - Jean-Pierre Parisy
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* - Karl Szmutny
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* - Michael Blandford
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* - Michal Hlavinka
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* - Pat Mackenzie
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* - Philip Moss
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* - Rob Thomson
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* - Romolo Manfredini <romolo.manfredini@gmail.com>
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* - Thomas Husterer
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*
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* open9x is based on code named
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* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
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* er9x by Erez Raviv: http://code.google.com/p/er9x/,
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* and the original (and ongoing) project by
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* Thomas Husterer, th9x: http://code.google.com/p/th9x/
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include "../open9x.h"
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uint16_t tmp=0; // Debug - received bytes counter
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void sportInit(void)
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{
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USART_InitTypeDef USART_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIO_SPORT, ENABLE);
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GPIO_PinAFConfig(GPIO_PIN_SPORT_TXRX, GPIO_PinSource_SPORT_RX, GPIO_AF_SPORT);
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GPIO_PinAFConfig(GPIO_PIN_SPORT_TXRX, GPIO_PinSource_SPORT_TX, GPIO_AF_SPORT);
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GPIO_InitStructure.GPIO_Pin = PIN_SPORT_TX | PIN_SPORT_RX;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIO_PIN_SPORT_TXRX, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = PIN_SPORT_ON;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_Init(GPIO_PIN_SPORT_ON, &GPIO_InitStructure);
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GPIO_ResetBits(GPIO_PIN_SPORT_ON, PIN_SPORT_ON);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPORT, ENABLE);
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USART_InitStructure.USART_BaudRate = SPORT_BAUDRATE;
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USART_InitStructure.USART_WordLength = USART_WordLength_8b;
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USART_InitStructure.USART_StopBits = USART_StopBits_1;
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USART_InitStructure.USART_Parity = USART_Parity_No;
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USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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USART_InitStructure.USART_Mode = USART_Mode_Tx|USART_Mode_Rx;
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USART_Init(SPORT, &USART_InitStructure);
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USART_Cmd(SPORT, ENABLE);
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USART_ITConfig(SPORT, USART_IT_RXNE, ENABLE);
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NVIC_EnableIRQ(USART2_IRQn);
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}
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void sportPutc(const char c)
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{
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GPIO_SetBits(GPIO_PIN_SPORT_ON, PIN_SPORT_ON);
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USART_SendData(SPORT, c);
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GPIO_ResetBits(GPIO_PIN_SPORT_ON, PIN_SPORT_ON);
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}
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#if !defined(SIMU)
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extern "C" void USART2_IRQHandler()
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{
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uint16_t data;
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tmp++; // Debug - received bytes counter
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if(USART_GetFlagStatus(SPORT, USART_FLAG_RXNE))
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data = USART_ReceiveData(SPORT);
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USART_ClearFlag(SPORT,USART_FLAG_RXNE); // Just in case, should be cleared automatically by the read above, and we shouldn't enter the interrupt if no char received - doesn't help
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if(SPORT->SR & USART_FLAG_ORE) // Debug - never happened once yet
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{
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data = (int8_t)(SPORT->SR & (uint8_t)0xFF);
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tmp=0;
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}
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processSerialData((uint8_t) data);
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}
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#endif
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