マイクロコントローラ上のUARTとUSBのプロテウスと2年半のハローワールド

char uart_rd; void main() { UART1_Init(9600); UART1_Write_Text("Hello Habrahabr"); UART1_Write(10); UART1_Write(13); for(;;) { if(UART1_Data_Ready()) { uart_rd = UART1_Read( ); switch(uart_rd) { case 0xD: UART1_Write(10); UART1_Write(13); break; default: UART1_Write(uart_rd); break; } } } } 

 #define CRLF UART1_Write(10);UART1_Write(13) char uart_rd = 0; char cmd[32] = {0}; int char_counter = 0; void cmd_exec(void) { if (strstr(cmd, "hello")) { UART1_Write_Text("EHLO"); CRLF; } else if (strstr(cmd, "test")) { UART1_Write_Text("TSET"); CRLF; } else { UART1_Write_Text("Unknown command"); CRLF; } char_counter=0; memset(cmd, 0, sizeof cmd); } void main(void) { UART1_Init(9600); UART1_Write_Text("MCU started"); UART1_Write(10); UART1_Write(13); for(;;) { if(UART1_Data_Ready()) { uart_rd = UART1_Read( ); switch(uart_rd) { case 0xD: CRLF; cmd_exec(); break; default: UART1_Write(uart_rd); break; } cmd[char_counter++] = uart_rd; if(char_counter == (sizeof cmd - 1)) { CRLF; cmd_exec(); } } } } 

 const unsigned int USB_VENDOR_ID = 0xdead; const unsigned int USB_PRODUCT_ID = 0xbeaf; const char USB_SELF_POWER = 0x80; // Self powered 0xC0, 0x80 bus powered const char USB_MAX_POWER = 50; // Bus power required in units of 2 mA const char HID_INPUT_REPORT_BYTES = 8; const char HID_OUTPUT_REPORT_BYTES = 8; const char USB_TRANSFER_TYPE = 0x03; //0x03 Interrupt const char EP_IN_INTERVAL = 1; const char EP_OUT_INTERVAL = 1; const char USB_INTERRUPT = 1; const char USB_HID_EP = 1; const char USB_HID_RPT_SIZE = 63; /* Device Descriptor */ const struct { char bLength; // bLength - Descriptor size in bytes (12h) char bDescriptorType; // bDescriptorType - The constant DEVICE (01h) unsigned int bcdUSB; // bcdUSB - USB specification release number (BCD) char bDeviceClass; // bDeviceClass - Class Code char bDeviceSubClass; // bDeviceSubClass - Subclass code char bDeviceProtocol; // bDeviceProtocol - Protocol code char bMaxPacketSize0; // bMaxPacketSize0 - Maximum packet size for endpoint 0 unsigned int idVendor; // idVendor - Vendor ID unsigned int idProduct; // idProduct - Product ID unsigned int bcdDevice; // bcdDevice - Device release number (BCD) char iManufacturer; // iManufacturer - Index of string descriptor for the manufacturer char iProduct; // iProduct - Index of string descriptor for the product. char iSerialNumber; // iSerialNumber - Index of string descriptor for the serial number. char bNumConfigurations; // bNumConfigurations - Number of possible configurations } device_dsc = { 0x12, // bLength 0x01, // bDescriptorType 0x0200, // bcdUSB 0x00, // bDeviceClass 0x00, // bDeviceSubClass 0x00, // bDeviceProtocol 8, // bMaxPacketSize0 USB_VENDOR_ID, // idVendor USB_PRODUCT_ID, // idProduct 0x0001, // bcdDevice 0x01, // iManufacturer 0x02, // iProduct 0x00, // iSerialNumber 0x01 // bNumConfigurations } ; /* Configuration 1 Descriptor */ const char configDescriptor1[]= { // Configuration Descriptor 0x09, // bLength - Descriptor size in bytes 0x02, // bDescriptorType - The constant CONFIGURATION (02h) 0x29,0x00, // wTotalLength - The number of bytes in the configuration descriptor and all of its subordinate descriptors 1, // bNumInterfaces - Number of interfaces in the configuration 1, // bConfigurationValue - Identifier for Set Configuration and Get Configuration requests 0, // iConfiguration - Index of string descriptor for the configuration USB_SELF_POWER, // bmAttributes - Self/bus power and remote wakeup settings USB_MAX_POWER, // bMaxPower - Bus power required in units of 2 mA // Interface Descriptor 0x09, // bLength - Descriptor size in bytes (09h) 0x04, // bDescriptorType - The constant Interface (04h) 0, // bInterfaceNumber - Number identifying this interface 0, // bAlternateSetting - A number that identifies a descriptor with alternate settings for this bInterfaceNumber. 2, // bNumEndpoint - Number of endpoints supported not counting endpoint zero 0x03, // bInterfaceClass - Class code 0, // bInterfaceSubclass - Subclass code 0, // bInterfaceProtocol - Protocol code 0, // iInterface - Interface string index // HID Class-Specific Descriptor 0x09, // bLength - Descriptor size in bytes. 0x21, // bDescriptorType - This descriptor's type: 21h to indicate the HID class. 0x01,0x01, // bcdHID - HID specification release number (BCD). 0x00, // bCountryCode - Numeric expression identifying the country for localized hardware (BCD) or 00h. 1, // bNumDescriptors - Number of subordinate report and physical descriptors. 0x22, // bDescriptorType - The type of a class-specific descriptor that follows USB_HID_RPT_SIZE,0x00, // wDescriptorLength - Total length of the descriptor identified above. // Endpoint Descriptor 0x07, // bLength - Descriptor size in bytes (07h) 0x05, // bDescriptorType - The constant Endpoint (05h) USB_HID_EP | 0x80, // bEndpointAddress - Endpoint number and direction USB_TRANSFER_TYPE, // bmAttributes - Transfer type and supplementary information 0x40,0x00, // wMaxPacketSize - Maximum packet size supported EP_IN_INTERVAL, // bInterval - Service interval or NAK rate // Endpoint Descriptor 0x07, // bLength - Descriptor size in bytes (07h) 0x05, // bDescriptorType - The constant Endpoint (05h) USB_HID_EP, // bEndpointAddress - Endpoint number and direction USB_TRANSFER_TYPE, // bmAttributes - Transfer type and supplementary information 0x40,0x00, // wMaxPacketSize - Maximum packet size supported EP_OUT_INTERVAL // bInterval - Service interval or NAK rate } ; const struct { char report[]; } hid_rpt_desc = { 0x05, 0x01, // USAGE_PAGE (Generic Desktop) 0x09, 0x06, // USAGE (Keyboard) 0xa1, 0x01, // COLLECTION (Application) 0x05, 0x07, // USAGE_PAGE (Keyboard) 0x19, 0xe0, // USAGE_MINIMUM 224(Keyboard LeftControl) 0x29, 0xe7, // USAGE_MAXIMUM 231(Keyboard Right GUI) (left and right: alt, shift, ctrl and win) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (1) 0x75, 0x01, // REPORT_SIZE (1) 0x95, 0x08, // REPORT_COUNT (8) 0x81, 0x02, // INPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x08, // REPORT_SIZE (8) 0x81, 0x03, // INPUT (Cnst,Var,Abs) 0x95, 0x05, // REPORT_COUNT (5) 0x75, 0x01, // REPORT_SIZE (1) 0x05, 0x08, // USAGE_PAGE (LEDs) 0x19, 0x01, // USAGE_MINIMUM (Num Lock) 0x29, 0x05, // USAGE_MAXIMUM (Kana) 0x91, 0x02, // OUTPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x03, // REPORT_SIZE (3) 0x91, 0x03, // OUTPUT (Cnst,Var,Abs) 0x95, 0x06, // REPORT_COUNT (6) 0x75, 0x08, // REPORT_SIZE (8) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x65, // LOGICAL_MAXIMUM (101) 0x05, 0x07, // USAGE_PAGE (Keyboard) 0x19, 0x00, // USAGE_MINIMUM (Reserved (no event indicated)) 0x29, 0x65, // USAGE_MAXIMUM (Keyboard Application) 0x81, 0x00, // INPUT (Data,Ary,Abs) 0xc0 // END_COLLECTION } ; //Language code string descriptor const struct { char bLength; char bDscType; unsigned int string[1]; } strd1 = { 4, 0x03, { 0x0409 } } ; //Manufacturer string descriptor const struct{ char bLength; char bDscType; unsigned int string[10]; } strd2={ 22, //sizeof this descriptor string 0x03, { 'H','a','b','r','a','h','a','b','r' } } ; //Product string descriptor const struct{ char bLength; char bDscType; unsigned int string[15]; } strd3={ 32, //sizeof this descriptor string 0x03, { 'H','a','b','r','a','K','e','y','b','o','a','r','d' } } ; //Array of configuration descriptors const char* USB_config_dsc_ptr[1]; //Array of string descriptors const char* USB_string_dsc_ptr[3]; void USB_Init_Desc(){ USB_config_dsc_ptr[0] = &configDescriptor1; USB_string_dsc_ptr[0] = (const char*)&strd1; USB_string_dsc_ptr[1] = (const char*)&strd2; USB_string_dsc_ptr[2] = (const char*)&strd3; } 

 unsigned short USBResponse[8] = { 0} absolute 0x500; unsigned short USBCommand[8] = {0} absolute 0x508; char *text="habrahabr"; int i = 0; void interrupt(void) { USB_Interrupt_Proc( ); } void clrUSB(void) { memset(USBCommand, 0, sizeof USBCommand); while ( !HID_Write(&USBCommand, sizeof USBCommand)); } void main(void) { ADCON1 |= 0x0F; CMCON |= 7; HID_Enable(&USBResponse, &USBCommand); delay_ms(1000); for (i=0; i < strlen(text); i++) { USBCommand[2] = text[i] - 93; while ( !HID_Write(&USBCommand, sizeof USBCommand)); clrUSB(); delay_ms(200); } }