USBatmeg8ISP_源码.doc

USB atmeg8 ISP_源码.rar/* Name: main.c* Project: AVR-Doper* Author: Christian Starkjohann * Creation Date: 2006-06-21* Tabsize: 4* Copyright: (c) 2006 by Christian Starkjohann, all rights reserved.* License: Proprietary, see documentation.* Revision: $Id: main.c 223 2006-07-18 09:28:13Z cs $*/*General Description:本模块实现硬件初始化和USB接口*/#include hardware.h#include #include #include #include #include #include #include #include utils.h#include usbdrv.h#include oddebug.h#include stk500protocol.h#include vreg.h#include serial.h/* - */extern unsigned char eeprom_sckDuration;extern void timerMsDelay(unsigned char ms);extern unsigned char sckDuration;/*- CDC class requests: -*/enum SEND_ENCAPSULATED_COMMAND = 0,GET_ENCAPSULATED_RESPONSE,SET_COMM_FEATURE,GET_COMM_FEATURE,CLEAR_COMM_FEATURE,SET_LINE_CODING = 0x20,GET_LINE_CODING,SET_CONTROL_LINE_STATE,SEND_BREAK;/* defines for requestType */#define REQUEST_TYPE_LINE_CODING 0 /* CDC GET/SET_LINE_CODING */#define REQUEST_TYPE_HID_FIRST 1 /* first block of HID reporting */#define REQUEST_TYPE_HID_SUBSEQUENT 2 /* subsequent block of HID reporting */#define REQUEST_TYPE_HID_DEBUGDATA 3 /* read/write data from/to debug interface */#define REQUEST_TYPE_VENDOR 4 /* vendor request for get/set debug data */* - */#if ENABLE_CDC_INTERFACEstatic uchar modeBuffer7 = 0x80, 0x25, 0, 0, 0, 0, 8; /* default: 9600 bps, 8n1 */#endifstatic uchar requestType;#if ENABLE_CDC_INTERFACEstatic PROGMEM char deviceDescrCDC = /* USB 设备描述符 */18, /* sizeof(usbDescriptorDevice): 描述符长度 */USBDESCR_DEVICE, /* 描述答类型 */0x01, 0x01, /* USB 版本 */0x02, /* 设备类型: CDC */0, /* 子类型 */0, /* 协议 */8, /* 最大包长 */USB_CFG_VENDOR_ID, /* 2 bytes */0xe1, 0x05, /* 2 bytes: shared PID for CDC-ACM devices */USB_CFG_DEVICE_VERSION, /* 2 bytes */1, /* 制造商字符串 index */2, /* 生产字符串 index */0, /* 序列号字符串 index */1, /* 配置字数量 */;static PROGMEM char configDescrCDC = /* USB 配置描述符 */9, /* sizeof(usbDescriptorConfiguration): 描述符长度 */USBDESCR_CONFIG, /* 描述答类型 */67, 0, /* total length of data returned (including inlined descriptors) */2, /* number of interfaces in this configuration */1, /* index of this configuration */0, /* configuration name string index */#if USB_CFG_IS_SELF_POWEREDUSBATTR_SELFPOWER, /* attributes */#elseUSBATTR_BUSPOWER, /* attributes */#endifUSB_CFG_MAX_BUS_POWER/2, /* max USB current in 2mA units */* interface descriptors follow inline: */* Interface Descriptor for CDC-ACM Control */9, /* sizeof(usbDescrInterface): length of descriptor in bytes */USBDESCR_INTERFACE, /* descriptor type */0, /* index of this interface */0, /* alternate setting for this interface */1, /* endpoints excl 0: number of endpoint descriptors to follow */USB_CFG_INTERFACE_CLASS, /* see usbconfig.h */USB_CFG_INTERFACE_SUBCLASS,USB_CFG_INTERFACE_PROTOCOL,0, /* string index for interface */* CDC Class-Specific descriptors */5, /* sizeof(usbDescrCDC_HeaderFn): length of descriptor in bytes */0x24, /* descriptor type */0, /* Subtype: header functional descriptor */0x10, 0x01, /* CDC spec release number in BCD */4, /* sizeof(usbDescrCDC_AcmFn): length of descriptor in bytes */0x24, /* descriptor type */2, /* Subtype: abstract control management functional descriptor */0x02, /* capabilities: SET_LINE_CODING, GET_LINE_CODING, SET_CONTROL_LINE_STATE */5, /* sizeof(usbDescrCDC_UnionFn): length of descriptor in bytes */0x24, /* descriptor type */6, /* Subtype: union functional descriptor */0, /* CDC_COMM_INTF_ID: master interface (control) */1, /* CDC_DATA_INTF_ID: slave interface (data) */5, /* sizeof(usbDescrCDC_CallMgtFn): length of descriptor in bytes */0x24, /* descriptor type */1, /* Subtype: call management functional descriptor */0x03, /* capabilities: allows management on data interface, handles call management by itself */1, /* CDC_DATA_INTF_ID: interface used for call management */* Endpoint Descriptor */7, /* sizeof(usbDescrEndpoint) */USBDESCR_ENDPOINT, /* descriptor type = endpoint */0x83, /* IN endpoint number 3 */0x03, /* attrib: Interrupt endpoint */8, 0, /* maximum packet size */100, /* in ms */* Interface Descriptor for CDC-ACM Data */9, /* sizeof(usbDescrInterface): length of descriptor in bytes */USBDESCR_INTERFACE, /* descriptor type */1, /* index of this interface */0, /* alternate setting for this interface */2, /* endpoints excl 0: number of endpoint descriptors to follow */0x0a, /* Data Interface Class Codes */0, /* interface subclass */0, /* Data Interface Class Protocol Codes */0, /* string index for interface */* Endpoint Descriptor */7, /* sizeof(usbDescrEndpoint) */USBDESCR_ENDPOINT, /* descriptor type = endpoint */0x01, /* OUT endpoint number 1 */0x02, /* attrib: Bulk endpoint */8, 0, /* maximum packet size */0, /* in ms */* Endpoint Descriptor */7, /* sizeof(usbDescrEndpoint) */USBDESCR_ENDPOINT, /* descriptor type = endpoint */0x81, /* IN endpoint number 1 */0x02, /* attrib: Bulk endpoint */8, 0, /* maximum packet size */0, /* in ms */;#endif /* ENABLE_CDC_INTERFACE */* - */uchar usbFunctionDescriptor(usbRequest_t *rq)uchar *p = NULL, len = 0 ;#if ENABLE_CDC_INTERFACEif(rq-wValue.bytes1 = USBDESCR_DEVICE)p = (uchar *)deviceDescrCDC;len = sizeof(deviceDescrCDC);else /* must be config descriptor */p = (uchar *)configDescrCDC;len = sizeof(configDescrCDC);#endifusbMsgPtr = p;return len;/* - */* - USB interface - */* - */uchar usbFunctionSetup(uchar data8)usbRequest_t *rq = (void *)data;uchar rqType = rq-bmRequestType & USBRQ_TYPE_MASK;if(rqType = USBRQ_TYPE_CLASS) /* class request type */#if ENABLE_CDC_INTERFACEif(rq-bRequest = GET_LINE_CODING | rq-bRequest = SET_LINE_CODING)requestType = REQUEST_TYPE_LINE_CODING;return 0xff;#endifreturn 0;uchar usbFunctionRead(uchar *data, uchar len)if(requestType = REQUEST_TYPE_LINE_CODING)#if ENABLE_CDC_INTERFACE/* return the virtual configuration */memcpy(data, modeBuffer, 7);return 7;#endifreturn 0; /* error - terminate transfer */uchar usbFunctionWrite(uchar *data, uchar len)if(requestType = REQUEST_TYPE_LINE_CODING)#if ENABLE_CDC_INTERFACE/* Dont know why data toggling is reset when line coding is changed, but it is. */usbTxPacketCnt1 = 1; /* enforce DATA0 token for next transfer */* store the line configuration so that we can return it on request */memcpy(modeBuffer, data, 7);return 1;#endifreturn 1; /* error - accept everything until end */void usbFunctionWriteOut(uchar *data, uchar len)#if ENABLE_CDC_INTERFACEdo /* len must be at least 1 character, the driver discards zero sized packets */stkSetRxChar(*data+);while(-len);#endif/* - */* - */* - */*20 脚 HVSP / PP 连接器:1 . GND2 . Vtarget3 . HVSP SCI4 . RESET16 . HVSP SDO18 . HVSP SII20 . HVSP SDI* Timer 用途:* Timer 0 8 bit:* 1/64 prescaler for timer interrupt* Timer 1 16 bit:* PWM 用于高压产生 - fastPWM mode* f = 23.4 kHz - prescaler = 1, 9 bit* Timer 2 8 bit:* 为目标板提供时钟*/static void hardwareInit(void)unsigned char i, j;/-/ SCK MISO MOSI ISP_RST SMPS_OUT HVSP_SUPPLY PORTB= 0x10;/ 0 1 0 0 0 0DDRB = 0x28;/ 1 0 1 0 0 0/-/ ISP_RESET _HVSP_HVRESET _HVSP_SCI LED ADC_VTARGET ADC_SMPS PORTC= 0x00;/ 0 0 0 0 0 0DDRC = 0x3C;/ 1 1 1 1 0 0/-/ HVSP_SDO HVSP_SDI HVSP_SII JUMPER USB_D- USB_D+ TXD(ISP_RXD) RXD(ISP_TXD) PORTD= 0x10;/ 0 0 0 1 0 0 1 1 DDRD = 0x0C;/ 0 0 0 0 1 1 0 1/-j = 0;while(-j) /* USB Reset by device only required on Watchdog Reset */i = 0;while(-i); /* delay 10ms for USB reset */DDRD &=( (1_USB_DPLUS)|(1_USB_DMINUS) );/*- T0 配置: 1.365 ms interrupt -*/TCCR0 = 3; / 1/64 分频TIMSK = (1 TOIE0); / 使能 timer0 溢出中断/*- T1 配置: 23.4 kHz PWM (9 bit) -*/TCCR1A = UTIL_BIN8(1000, 0010)