]> git.donarmstrong.com Git - kiibohd-controller.git/blobdiff - Output/pjrcUSB/avr/usb_keyboard_serial.c
Initial code for USB cable detection
[kiibohd-controller.git] / Output / pjrcUSB / avr / usb_keyboard_serial.c
index 95503af700cc04c5af5a88c119727b4542641467..1403c9ae3ca06d83d7a5f72f26cbdcff11c83fca 100644 (file)
@@ -99,63 +99,59 @@ inline void usb_keyboard_send()
        // Send boot keyboard interrupt packet(s)
        case 0:
                usb_keyboard_toHost();
+               USBKeys_Changed = USBKeyChangeState_None;
                break;
 
        // Send NKRO keyboard interrupts packet(s)
        case 1:
-               // Check modifiers
-               if ( USBKeys_Changed & USBKeyChangeState_Modifiers )
+               // Check system control keys
+               if ( USBKeys_Changed & USBKeyChangeState_System )
                {
-                       UEDATX = 0x01; // ID
-                       UEDATX = USBKeys_Modifiers;
+                       UEDATX = 0x02; // ID
+                       UEDATX = USBKeys_SysCtrl;
                        UEINTX = 0; // Finished with ID
 
-                       USBKeys_Changed &= ~USBKeyChangeState_Modifiers; // Mark sent
+                       USBKeys_Changed &= ~USBKeyChangeState_System; // Mark sent
                }
-               // Check main key section
-               else if ( USBKeys_Changed & USBKeyChangeState_MainKeys )
+
+               // Check consumer control keys
+               if ( USBKeys_Changed & USBKeyChangeState_Consumer )
                {
                        UEDATX = 0x03; // ID
-
-                       // 4-164 (first 20 bytes)
-                       for ( uint8_t byte = 0; byte < 20; byte++ )
-                               UEDATX = USBKeys_Keys[ byte ];
-
+                       UEDATX = (uint8_t)(USBKeys_ConsCtrl & 0x00FF);
+                       UEDATX = (uint8_t)(USBKeys_ConsCtrl >> 8);
                        UEINTX = 0; // Finished with ID
 
-                       USBKeys_Changed &= ~USBKeyChangeState_MainKeys; // Mark sent
+                       USBKeys_Changed &= ~USBKeyChangeState_Consumer; // Mark sent
                }
-               // Check secondary key section
-               else if ( USBKeys_Changed & USBKeyChangeState_SecondaryKeys )
+
+               // Standard HID Keyboard
+               if ( USBKeys_Changed )
                {
-                       UEDATX = 0x04; // ID
+                       UEDATX = 0x01; // ID
 
-                       // 176-221 (last 6 bytes)
-                       for ( uint8_t byte = 20; byte < 26; byte++ )
+                       // Modifiers
+                       UEDATX = USBKeys_Modifiers;
+
+                       // 4-49 (first 6 bytes)
+                       for ( uint8_t byte = 0; byte < 6; byte++ )
                                UEDATX = USBKeys_Keys[ byte ];
 
-                       UEINTX = 0; // Finished with ID
+                       // 51-155 (Middle 14 bytes)
+                       for ( uint8_t byte = 6; byte < 20; byte++ )
+                               UEDATX = USBKeys_Keys[ byte ];
 
-                       USBKeys_Changed &= ~USBKeyChangeState_SecondaryKeys; // Mark sent
-               }
-               // Check system control keys
-               else if ( USBKeys_Changed & USBKeyChangeState_System )
-               {
-                       UEDATX = 0x05; // ID
-                       UEDATX = USBKeys_SysCtrl;
-                       UEINTX = 0; // Finished with ID
+                       // 157-164 (Next byte)
+                       for ( uint8_t byte = 20; byte < 21; byte++ )
+                               UEDATX = USBKeys_Keys[ byte ];
+
+                       // 176-221 (last 6 bytes)
+                       for ( uint8_t byte = 21; byte < 27; byte++ )
+                               UEDATX = USBKeys_Keys[ byte ];
 
-                       USBKeys_Changed &= ~USBKeyChangeState_System; // Mark sent
-               }
-               // Check consumer control keys
-               else if ( USBKeys_Changed & USBKeyChangeState_Consumer )
-               {
-                       UEDATX = 0x06; // ID
-                       UEDATX = (uint8_t)(USBKeys_ConsCtrl & 0x00FF);
-                       UEDATX = (uint8_t)(USBKeys_ConsCtrl >> 8);
                        UEINTX = 0; // Finished with ID
 
-                       USBKeys_Changed &= ~USBKeyChangeState_Consumer; // Mark sent
+                       USBKeys_Changed = USBKeyChangeState_None; // Mark sent
                }
 
                break;
@@ -170,7 +166,7 @@ inline void usb_keyboard_send()
 // ----- USB Virtual Serial Port (CDC) Functions -----
 
 // get the next character, or -1 if nothing received
-int16_t usb_serial_getchar(void)
+int16_t usb_serial_getchar()
 {
        uint8_t c, intr_state;
 
@@ -204,7 +200,7 @@ int16_t usb_serial_getchar(void)
 }
 
 // number of bytes available in the receive buffer
-uint8_t usb_serial_available(void)
+uint8_t usb_serial_available()
 {
        uint8_t n=0, i, intr_state;
 
@@ -223,7 +219,7 @@ uint8_t usb_serial_available(void)
 }
 
 // discard any buffered input
-void usb_serial_flush_input(void)
+void usb_serial_flush_input()
 {
        uint8_t intr_state;
 
@@ -239,7 +235,7 @@ void usb_serial_flush_input(void)
 }
 
 // transmit a character.  0 returned on success, -1 on error
-int8_t usb_serial_putchar(uint8_t c)
+int8_t usb_serial_putchar( uint8_t c )
 {
        uint8_t timeout, intr_state;
 
@@ -290,7 +286,7 @@ int8_t usb_serial_putchar(uint8_t c)
 
 // transmit a character, but do not wait if the buffer is full,
 //   0 returned on success, -1 on buffer full or error
-int8_t usb_serial_putchar_nowait(uint8_t c)
+int8_t usb_serial_putchar_nowait( uint8_t c )
 {
        uint8_t intr_state;
 
@@ -324,7 +320,7 @@ int8_t usb_serial_putchar_nowait(uint8_t c)
 // controller in the PC will not allocate bandwitdh without a pending read request.
 // (thanks to Victor Suarez for testing and feedback and initial code)
 
-int8_t usb_serial_write(const char *buffer, uint16_t size)
+int8_t usb_serial_write( const char *buffer, uint16_t size )
 {
        uint8_t timeout, intr_state, write_size;
 
@@ -337,7 +333,7 @@ int8_t usb_serial_write(const char *buffer, uint16_t size)
        cli();
        UENUM = CDC_TX_ENDPOINT;
        // if we gave up due to timeout before, don't wait again
-       /*
+
        if (transmit_previous_timeout) {
                if (!(UEINTX & (1<<RWAL))) {
                        SREG = intr_state;
@@ -345,7 +341,7 @@ int8_t usb_serial_write(const char *buffer, uint16_t size)
                }
                transmit_previous_timeout = 0;
        }
-       */
+
        // each iteration of this loop transmits a packet
        while (size) {
                // wait for the FIFO to be ready to accept data
@@ -460,7 +456,7 @@ int8_t usb_serial_write(const char *buffer, uint16_t size)
 // This doesn't actually transmit the data - that is impossible!
 // USB devices only transmit when the host allows, so the best
 // we can do is release the FIFO buffer for when the host wants it
-void usb_serial_flush_output(void)
+void usb_serial_flush_output()
 {
        uint8_t intr_state;
 
@@ -479,24 +475,24 @@ void usb_serial_flush_output(void)
 // at full USB speed), but they are set by the host so we can
 // set them properly if we're converting the USB to a real serial
 // communication
-uint32_t usb_serial_get_baud(void)
+uint32_t usb_serial_get_baud()
 {
        uint32_t *baud = (uint32_t*)cdc_line_coding;
        return *baud;
 }
-uint8_t usb_serial_get_stopbits(void)
+uint8_t usb_serial_get_stopbits()
 {
        return cdc_line_coding[4];
 }
-uint8_t usb_serial_get_paritytype(void)
+uint8_t usb_serial_get_paritytype()
 {
        return cdc_line_coding[5];
 }
-uint8_t usb_serial_get_numbits(void)
+uint8_t usb_serial_get_numbits()
 {
        return cdc_line_coding[6];
 }
-uint8_t usb_serial_get_control(void)
+uint8_t usb_serial_get_control()
 {
        return cdc_line_rtsdtr;
 }
@@ -507,7 +503,7 @@ uint8_t usb_serial_get_control(void)
 // it remains buffered (either here or on the host) and can not be
 // lost because you weren't listening at the right time, like it
 // would in real serial communication.
-int8_t usb_serial_set_control(uint8_t signals)
+int8_t usb_serial_set_control( uint8_t signals )
 {
        uint8_t intr_state;
 
@@ -586,7 +582,7 @@ void usb_device_reload()
 
 
 // WDT Setup for software reset the chip
-void wdt_init(void)
+void wdt_init()
 {
        MCUSR = 0;
        wdt_disable();
@@ -594,8 +590,13 @@ void wdt_init(void)
 
 
 // initialize USB
-void usb_init(void)
+uint8_t usb_init()
 {
+       // Check to see if a usb cable has been plugged in
+       // XXX Not tested (also, not currently needed) -HaaTa
+       //if ( USB0_STAT & (1 << 1)
+       //      return 0;
+
        HW_CONFIG();
        USB_FREEZE();                           // enable USB
        PLL_CONFIG();                           // config PLL
@@ -608,6 +609,8 @@ void usb_init(void)
 
        // Disable watchdog timer after possible software reset
        //wdt_init(); // XXX Not working...seems to be ok without this, not sure though
+
+       return 1;
 }
 
 // return 0 if the USB is not configured, or the configuration
@@ -673,19 +676,19 @@ ISR( USB_GEN_vect )
 
 
 // Misc functions to wait for ready and send/receive packets
-static inline void usb_wait_in_ready(void)
+static inline void usb_wait_in_ready()
 {
        while (!(UEINTX & (1<<TXINI))) ;
 }
-static inline void usb_send_in(void)
+static inline void usb_send_in()
 {
        UEINTX = ~(1<<TXINI);
 }
-static inline void usb_wait_receive_out(void)
+static inline void usb_wait_receive_out()
 {
        while (!(UEINTX & (1<<RXOUTI))) ;
 }
-static inline void usb_ack_out(void)
+static inline void usb_ack_out()
 {
        UEINTX = ~(1<<RXOUTI);
 }
@@ -696,7 +699,7 @@ static inline void usb_ack_out(void)
 // other endpoints are manipulated by the user-callable
 // functions, and the start-of-frame interrupt.
 //
-ISR(USB_COM_vect)
+ISR( USB_COM_vect )
 {
         uint8_t intbits;
        const uint8_t *list;
@@ -864,7 +867,7 @@ ISR(USB_COM_vect)
                                        USBKeys_Idle_Config = (wValue >> 8);
                                        USBKeys_Idle_Count = 0;
                                        usb_send_in();
-                                       print("HID IDLE");
+                                       //print("HID IDLE");
                                        return;
                                }
                                if ( bRequest == HID_SET_PROTOCOL )
@@ -872,7 +875,7 @@ ISR(USB_COM_vect)
                                        usb_wait_in_ready();
                                        USBKeys_Protocol = wValue; // 0 - Boot Mode, 1 - NKRO Mode
                                        usb_send_in();
-                                       print("HID SET");
+                                       //print("HID SET");
                                        return;
                                }
                        }