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| /*#######################################################################################*/ |
| /* !!! THIS IS NOT FREE SOFTWARE !!! */ |
| /*#######################################################################################*/ |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Copyright (c) 2008 Ingo Busker, Holger Buss |
| // + Nur für den privaten Gebrauch |
| // + FOR NON COMMERCIAL USE ONLY |
| // + www.MikroKopter.com |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Es gilt für das gesamte Projekt (Hardware, Software, Binärfiles, Sourcecode und Dokumentation), |
| // + dass eine Nutzung (auch auszugsweise) nur für den privaten (nicht-kommerziellen) Gebrauch zulässig ist. |
| // + Sollten direkte oder indirekte kommerzielle Absichten verfolgt werden, ist mit uns (info@mikrokopter.de) Kontakt |
| // + bzgl. der Nutzungsbedingungen aufzunehmen. |
| // + Eine kommerzielle Nutzung ist z.B.Verkauf von MikroKoptern, Bestückung und Verkauf von Platinen oder Bausätzen, |
| // + Verkauf von Luftbildaufnahmen, usw. |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Werden Teile des Quellcodes (mit oder ohne Modifikation) weiterverwendet oder veröffentlicht, |
| // + unterliegen sie auch diesen Nutzungsbedingungen und diese Nutzungsbedingungen incl. Copyright müssen dann beiliegen |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Sollte die Software (auch auszugesweise) oder sonstige Informationen des MikroKopter-Projekts |
| // + auf anderen Webseiten oder sonstigen Medien veröffentlicht werden, muss unsere Webseite "http://www.mikrokopter.de" |
| // + eindeutig als Ursprung verlinkt werden |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Keine Gewähr auf Fehlerfreiheit, Vollständigkeit oder Funktion |
| // + Benutzung auf eigene Gefahr |
| // + Wir übernehmen keinerlei Haftung für direkte oder indirekte Personen- oder Sachschäden |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Die PORTIERUNG der Software (oder Teile davon) auf andere Systeme (ausser der Hardware von www.mikrokopter.de) ist nur |
| // + mit unserer Zustimmung zulässig |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Die Funktion printf_P() unterliegt ihrer eigenen Lizenz und ist hiervon nicht betroffen |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| // + Redistributions of source code (with or without modifications) must retain the above copyright notice, |
| // + this list of conditions and the following disclaimer. |
| // + * Neither the name of the copyright holders nor the names of contributors may be used to endorse or promote products derived |
| // + from this software without specific prior written permission. |
| // + * The use of this project (hardware, software, binary files, sources and documentation) is only permitted |
| // + for non-commercial use (directly or indirectly) |
| // + Commercial use (for excample: selling of MikroKopters, selling of PCBs, assembly, ...) is only permitted |
| // + with our written permission |
| // + * If sources or documentations are redistributet on other webpages, out webpage (http://www.MikroKopter.de) must be |
| // + clearly linked as origin |
| // + * PORTING this software (or part of it) to systems (other than hardware from www.mikrokopter.de) is NOT allowed |
| // |
| // + THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // + AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| // + ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
| // + LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| // + CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| // + SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| // + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| // + CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| // + ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| // + POSSIBILITY OF SUCH DAMAGE. |
| // ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| #include "main.h" |
| |
| //________________________________________________________________________________________________________________________________________ |
| // Module name: fat16.c |
| // Compiler used: avr-gcc 3.4.5 |
| // Last Modifikation: 24.07.2007 |
| // Version: 1.02 |
| // Authors: Stephan Busker |
| // Description: Source files for access to the synchrnous serial channel. |
| // Copyright (C) 2007 Stephan Busker |
| //........................................................................................................................................ |
| // Functions: extern void SSC_Init(void); |
| // extern u8 SSC_GetChar (void); |
| // extern void SSC_PutChar (u8 Byte); |
| // extern void SSC_Disable(void); |
| // extern void SSC_Enable(void); |
| //........................................................................................................................................ |
| // ext. functions: extern u8 SDC_GetSector (unsigned long,u8 *); |
| // extern u8 SDC_PutSector (unsigned long,u8 *); |
| //........................................................................................................................................ |
| // |
| // URL: www.Mikro-Control.de |
| // mailto: stephan.busker@mikro-control.de |
| //________________________________________________________________________________________________________________________________________ |
| |
| |
| |
| |
| //________________________________________________________________________________________________________________________________________ |
| // Funtion: SSC_Init(void); |
| // |
| // Description: This function initialises the synchronus serial channel to the sdcard. |
| // |
| // |
| // Returnvalue: none |
| //________________________________________________________________________________________________________________________________________ |
| |
| void SSC_Init(void) |
| { |
| |
| SerialPutString("SPI1 init..."); |
| |
| GPIO_InitTypeDef GPIO_InitStructure; |
| SSP_InitTypeDef SSP_InitStructure; |
| |
| SCU_APBPeriphClockConfig(__SSP1 ,ENABLE); |
| |
| // GPIO_DeInit(GPIO2); |
| GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
| GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6; |
| GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
| GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
| GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; |
| GPIO_Init (GPIO3, &GPIO_InitStructure); |
| |
| GPIO_InitStructure.GPIO_Direction = GPIO_PinOutput; |
| GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
| GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
| GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Disable; |
| GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
| GPIO_Init (GPIO5, &GPIO_InitStructure); |
| |
| GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
| GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
| GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
| GPIO_InitStructure.GPIO_IPConnected = GPIO_IPConnected_Enable; |
| GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
| GPIO_Init (GPIO3, &GPIO_InitStructure); |
| |
| SSP_DeInit(SSP1); |
| SSP_StructInit(&SSP_InitStructure); |
| SSP_InitStructure.SSP_FrameFormat = SSP_FrameFormat_Motorola; |
| SSP_InitStructure.SSP_Mode = SSP_Mode_Master; |
| SSP_InitStructure.SSP_CPHA = SSP_CPHA_1Edge; |
| SSP_InitStructure.SSP_CPOL = SSP_CPOL_Low; |
| // Hier muss die Baudrate noch richtig eingestellt werden (mit Prescaler) |
| SSP_InitStructure.SSP_ClockRate = 5; |
| SSP_InitStructure.SSP_ClockPrescaler = 8; |
| SSP_Init(SSP1, &SSP_InitStructure); |
| SSC_Disable(); |
| SSP_Cmd(SSP1, ENABLE); |
| /* MMC_Direction_REG &=~(1<<SPI_DI); // Set the direction of the ssc-port |
| MMC_Direction_REG |= (1<<SPI_Clock); // _______ _______ |
| MMC_Direction_REG |= (1<<SPI_DO); // CS \________________________/ |
| MMC_Direction_REG |= (1<<MMC_Chip_Select); // |
| MMC_Direction_REG |= (1<<SPI_SS); // ___ ___ ___ |
| // clk __________/ \___/ \___/ \_________ |
| // |
| // ___ ___ |
| // data_________/ \___________/ \___________ |
| |
| // initialise ssc, clock = Idel low |
| // devide clock by 32 |
| SPCR = (1<<SPE)|(1<<MSTR)|(1<<SPR1)|(1<<CPOL); // Enable SSC in mastermode, invert clockpolarity (idle high) |
| SPSR = SPSR|(1<<SPI2X);*/ |
| |
| SerialPutString("ok\n\r"); |
| } |
| |
| |
| //________________________________________________________________________________________________________________________________________ |
| // Funtion: SSC_GetChar(void); |
| // |
| // Description: This function reads one byte from the SSC |
| // |
| // |
| // Returnvalue: the byte received. |
| //________________________________________________________________________________________________________________________________________ |
| |
| u8 SSC_GetChar (void) |
| { |
| u8 Byte = 0; |
| // SerialPutString("\n\rGetChar."); |
| SSP_SendData(SSP1, 0xFF); |
| while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); |
| Byte = SSP_ReceiveData(SSP1); |
| /* SPDR = 0x00; // read one byte of data from the SSC |
| while(!(SPSR & (1<<SPIF))){}; // wait until the data has been read. |
| Byte = SPDR; |
| */ |
| // sprintf(text," %02X ", Byte); SerialPutString(text);SerialPutString("done."); |
| return (Byte); |
| |
| } |
| |
| //________________________________________________________________________________________________________________________________________ |
| void SSC_ClearRxFifo (void) |
| { |
| // SerialPutString("\n\rClr RxFifo "); |
| while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); |
| while(SSP_GetFlagStatus(SSP1, SSP_FLAG_RxFifoNotEmpty) == SET) SSP_ReceiveData(SSP1); |
| // SerialPutString("done."); |
| } |
| //________________________________________________________________________________________________________________________________________ |
| // Funtion: SSC_PutChar(u8 Byte); |
| // |
| // Description: This function writes one byte to the SSC |
| // |
| // |
| // Returnvalue: none |
| //________________________________________________________________________________________________________________________________________ |
| |
| void SSC_PutChar (u8 Byte) |
| { |
| //SerialPutString("\n\rPutChar."); sprintf(text," %02X ", Byte); SerialPutString(text); |
| while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); |
| SSP_SendData(SSP1, Byte); |
| //SerialPutString("done."); |
| |
| } |
| |
| |
| //________________________________________________________________________________________________________________________________________ |
| // Funtion: SSC_Disable(void); |
| // |
| // Description: This function enables chipselect of the sdcard (active low) |
| // |
| // |
| // Returnvalue: none |
| //________________________________________________________________________________________________________________________________________ |
| |
| void SSC_Disable(void) |
| { |
| //MMC_Write &= ~(1<<MMC_Chip_Select); // disable chipselect of the sdcard (active low). |
| GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_SET); |
| } |
| |
| |
| |
| |
| //________________________________________________________________________________________________________________________________________ |
| // Funtion: SSC_Enable(void); |
| // |
| // Description: This function disables chipselect of the sdcard (active low) |
| // |
| // |
| // Returnvalue: none |
| //________________________________________________________________________________________________________________________________________ |
| |
| void SSC_Enable(void) |
| { |
| //MMC_Write |= (1<<MMC_Chip_Select); // enable chipselect of the sdcard (active low). |
| GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_RESET); |
| } |