0,0 → 1,299 |
/*#######################################################################################*/ |
/* !!! THIS IS NOT FREE SOFTWARE !!! */ |
/*#######################################################################################*/ |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + www.MikroKopter.com |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Software Nutzungsbedingungen (english version: see below) |
// + der Fa. HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland - nachfolgend Lizenzgeber genannt - |
// + Der Lizenzgeber räumt dem Kunden ein nicht-ausschließliches, zeitlich und räumlich* unbeschränktes Recht ein, die im den |
// + Mikrocontroller verwendete Firmware für die Hardware Flight-Ctrl, Navi-Ctrl, BL-Ctrl, MK3Mag & PC-Programm MikroKopter-Tool |
// + - nachfolgend Software genannt - nur für private Zwecke zu nutzen. |
// + Der Einsatz dieser Software ist nur auf oder mit Produkten des Lizenzgebers zulässig. |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Die vom Lizenzgeber gelieferte Software ist urheberrechtlich geschützt. Alle Rechte an der Software sowie an sonstigen im |
// + Rahmen der Vertragsanbahnung und Vertragsdurchführung überlassenen Unterlagen stehen im Verhältnis der Vertragspartner ausschließlich dem Lizenzgeber zu. |
// + Die in der Software enthaltenen Copyright-Vermerke, Markenzeichen, andere Rechtsvorbehalte, Seriennummern sowie |
// + sonstige der Programmidentifikation dienenden Merkmale dürfen vom Kunden nicht verändert oder unkenntlich gemacht werden. |
// + Der Kunde trifft angemessene Vorkehrungen für den sicheren Einsatz der Software. Er wird die Software gründlich auf deren |
// + Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt. |
// + Die Haftung des Lizenzgebers wird - soweit gesetzlich zulässig - begrenzt in Höhe des typischen und vorhersehbaren |
// + Schadens. Die gesetzliche Haftung bei Personenschäden und nach dem Produkthaftungsgesetz bleibt unberührt. Dem Lizenzgeber steht jedoch der Einwand |
// + des Mitverschuldens offen. |
// + Der Kunde trifft angemessene Vorkehrungen für den Fall, dass die Software ganz oder teilweise nicht ordnungsgemäß arbeitet. |
// + Er wird die Software gründlich auf deren Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt. |
// + Der Kunde wird er seine Daten vor Einsatz der Software nach dem Stand der Technik sichern. |
// + Der Kunde ist darüber unterrichtet, dass der Lizenzgeber seine Daten im zur Vertragsdurchführung erforderlichen Umfang |
// + und auf Grundlage der Datenschutzvorschriften erhebt, speichert, verarbeitet und, sofern notwendig, an Dritte übermittelt. |
// + *) Die räumliche Nutzung bezieht sich nur auf den Einsatzort, nicht auf die Reichweite der programmierten Software. |
// + #### ENDE DER NUTZUNGSBEDINGUNGEN ####' |
// + Hinweis: Informationen über erweiterte Nutzungsrechte (wie z.B. Nutzung für nicht-private Zwecke) sind auf Anfrage per Email an info(@)hisystems.de verfügbar. |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + Software LICENSING TERMS |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
// + of HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland, Germany - the Licensor - |
// + The Licensor grants the customer a non-exclusive license to use the microcontroller firmware of the Flight-Ctrl, Navi-Ctrl, BL-Ctrl, and MK3Mag hardware |
// + (the Software) exclusively for private purposes. The License is unrestricted with respect to time and territory*. |
// + The Software may only be used with the Licensor's products. |
// + The Software provided by the Licensor is protected by copyright. With respect to the relationship between the parties to this |
// + agreement, all rights pertaining to the Software and other documents provided during the preparation and execution of this |
// + agreement shall be the property of the Licensor. |
// + The information contained in the Software copyright notices, trademarks, other legal reservations, serial numbers and other |
// + features that can be used to identify the program may not be altered or defaced by the customer. |
// + The customer shall be responsible for taking reasonable precautions |
// + for the safe use of the Software. The customer shall test the Software thoroughly regarding its suitability for the |
// + intended purpose before implementing it for actual operation. The Licensor's liability shall be limited to the extent of typical and |
// + foreseeable damage to the extent permitted by law, notwithstanding statutory liability for bodily injury and product |
// + liability. However, the Licensor shall be entitled to the defense of contributory negligence. |
// + The customer will take adequate precautions in the case, that the software is not working properly. The customer will test |
// + the software for his purpose before any operational usage. The customer will backup his data before using the software. |
// + The customer understands that the Licensor collects, stores and processes, and, where required, forwards, customer data |
// + to third parties to the extent necessary for executing the agreement, subject to applicable data protection and privacy regulations. |
// + *) The territory aspect only refers to the place where the Software is used, not its programmed range. |
// + #### END OF LICENSING TERMS #### |
// + Note: For information on license extensions (e.g. commercial use), please contact us at info(@)hisystems.de. |
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
#include "91x_lib.h" |
#include "config.h" |
#include "main.h" |
|
//________________________________________________________________________________________________________________________________________ |
// Module name: ssc.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 |
//........................................................................................................................................ |
// ext. 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); |
// extern void SSC_ClearRxFifo(); |
//........................................................................................................................................ |
// URL: www.Mikro-Control.de |
// mailto: stephan.busker@mikro-control.de |
//________________________________________________________________________________________________________________________________________ |
|
|
|
//________________________________________________________________________________________________________________________________________ |
// Function: SSC_Enable(void); |
// |
// Description: This function enables chipselect of the sdcard (active low) |
// |
// |
// Returnvalue: none |
//________________________________________________________________________________________________________________________________________ |
|
void SSC_Enable(void) |
{ |
// enable chipselect of the sd-card (P5.4 -> SD-CS, active low). |
GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_RESET); |
} |
|
//________________________________________________________________________________________________________________________________________ |
// Function: SSC_Disable(void); |
// |
// Description: This function disables chipselect of the sdcard (active low) |
// |
// |
// Returnvalue: none |
//________________________________________________________________________________________________________________________________________ |
|
void SSC_Disable(void) |
{ |
// disable chipselect of the sd-card (P5.4 -> SD-CS, active low). |
GPIO_WriteBit(GPIO5, GPIO_Pin_4 , Bit_SET); |
} |
|
|
//________________________________________________________________________________________________________________________________________ |
// Function: SSC_Init(void); |
// |
// Description: This function initialises the synchronus serial channel to the sdcard. |
// |
// |
// Returnvalue: none |
//________________________________________________________________________________________________________________________________________ |
|
void SSC_Speed(u32 speed) |
{ |
SSP_InitTypeDef SSP_InitStructure; |
|
SSP_Cmd(SSP1, DISABLE); |
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; |
// Set Baud Rate (Prescaler) |
// bit rate is BRCLK/SSP_ClockPrescaler/(1+SSP_ClockRate)) |
// With MSCLK = 48MHz = BRCLK we get for the SPICLK = 48Mhz / 20 / (1+5) = 400 kHz |
SSP_InitStructure.SSP_ClockRate = 5; //5 |
SSP_InitStructure.SSP_ClockPrescaler = (48000 / (5+1)) / speed; |
SSP_Init(SSP1, &SSP_InitStructure); |
SSP_Cmd(SSP1, ENABLE); |
} |
|
|
void SSC_Init(void) |
{ |
GPIO_InitTypeDef GPIO_InitStructure; |
// WIU_InitTypeDef WIU_InitStructure; |
// enable APB clock for SPI1 |
SCU_APBPeriphClockConfig(__SSP1 ,ENABLE); |
// configure P5.4 -> SD-CS as an output pin |
GPIO_StructInit(&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_IPInputConnected = GPIO_IPInputConnected_Disable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt1; |
GPIO_Init (GPIO5, &GPIO_InitStructure); |
// configure P3.4 -> SCK1 and P3.6 -> MOSI1 as an output pin |
GPIO_StructInit(&GPIO_InitStructure); |
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_IPInputConnected = GPIO_IPInputConnected_Enable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_OutputAlt2; |
GPIO_Init (GPIO3, &GPIO_InitStructure); |
// configure P3.5 <- MISO1 as an input pin |
GPIO_StructInit(&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_IPInputConnected = GPIO_IPInputConnected_Enable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
GPIO_Init (GPIO3, &GPIO_InitStructure); |
// configure SPI1 |
SSC_Speed(400); |
SSC_Disable(); |
SSP_Cmd(SSP1, ENABLE); |
|
// Configure SD_SWITCH at pin GPIO5.3 as an external irq 11 |
|
// configure the port |
SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
GPIO_Init(GPIO5, &GPIO_InitStructure); |
|
/* |
// configure the EXT11 interrupt line (P5.3) as an IRQ with the lowest priority |
SCU_APBPeriphClockConfig(__WIU, ENABLE); |
WIU_Cmd(ENABLE); |
WIU_ClearITPendingBit(WIU_Line11); |
//WIU_DeInit(); |
WIU_InitStructure.WIU_TriggerEdge = WIU_FallingEdge; |
WIU_InitStructure.WIU_Line = WIU_Line11; |
WIU_Init(&WIU_InitStructure); |
// The EXTIT1_IRQHandler() is called every time the SD-Switch is activated (falling edge) |
// by inserting an sd-card |
SCU_WakeUpLineConfig(11); |
VIC_Config(EXTIT1_ITLine, VIC_IRQ, PRIORITY_SDSWITCH); |
VIC_ITCmd(EXTIT1_ITLine, ENABLE); |
*/ |
} |
|
void SSC_Deinit(void) |
{ |
GPIO_InitTypeDef GPIO_InitStructure; |
|
SSP_Cmd(SSP1, DISABLE); |
SSP_DeInit(SSP1); |
|
// configure P5.4 -> SD-CS as an input pin |
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
GPIO_Init (GPIO5, &GPIO_InitStructure); |
// configure P3.4 -> SCK1 and P3.6 -> MOSI1 as an input pin |
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
GPIO_Init (GPIO3, &GPIO_InitStructure); |
// configure P3.5 <- MISO1 as an input pin |
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull; |
GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
GPIO_Init (GPIO3, &GPIO_InitStructure); |
|
// disable APB clock for SPI1 |
SCU_APBPeriphClockConfig(__SSP1 ,DISABLE); |
|
// configure the port of the SDC-Switch |
SCU_APBPeriphClockConfig(__GPIO5, ENABLE); // Enable the GPIO5 Clock |
GPIO_InitStructure.GPIO_Direction = GPIO_PinInput; |
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; |
GPIO_InitStructure.GPIO_Type = GPIO_Type_PushPull ; |
GPIO_InitStructure.GPIO_IPInputConnected = GPIO_IPInputConnected_Disable; |
GPIO_InitStructure.GPIO_Alternate = GPIO_InputAlt1; |
GPIO_Init(GPIO5, &GPIO_InitStructure); |
} |
|
|
//________________________________________________________________________________________________________________________________________ |
// Function: SSC_GetChar(void); |
// |
// Description: This function reads one byte from the SSC |
// |
// |
// Returnvalue: the byte received. |
//________________________________________________________________________________________________________________________________________ |
|
u8 SSC_GetChar (void) |
{ |
u8 Byte = 0; |
while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); // wait for space in the tx fifo |
SSP_SendData(SSP1, 0xFF);// send dymmy byte (0xFF) as master to receive a byte from the slave |
while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); // wait for the byte to be sent |
Byte = SSP_ReceiveData(SSP1); // read the byte transmitted from the slave |
return (Byte); |
} |
|
//________________________________________________________________________________________________________________________________________ |
void SSC_ClearRxFifo (void) |
{ |
// wait that the tx fifo is empty |
while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoEmpty) != SET); |
// then empty the rx fifo by reading all the bytes that are available |
while(SSP_GetFlagStatus(SSP1, SSP_FLAG_RxFifoNotEmpty) == SET) SSP_ReceiveData(SSP1); |
} |
//________________________________________________________________________________________________________________________________________ |
// Function: SSC_PutChar(u8 Byte); |
// |
// Description: This function writes one byte to the SSC |
// |
// |
// Returnvalue: none |
//________________________________________________________________________________________________________________________________________ |
|
void SSC_PutChar (u8 Byte) |
{ |
// wait for some space in the tx fifo |
while(SSP_GetFlagStatus(SSP1, SSP_FLAG_TxFifoNotFull) != SET); |
// put the byte to send in the tx fifo |
SSP_SendData(SSP1, Byte); |
} |
|
|
|
|
|
|
|
|