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#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
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#if !(ALLCHARSDEBUG|(WRITECHARS != -1))
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volatile uint8_t rxd_buffer_locked = 0;
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volatile uint8_t rxd_buffer_locked = 0;
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volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];
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volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];
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volatile uint8_t txd_buffer[TXD_BUFFER_LEN];
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//volatile uint8_t txd_buffer[TXD_BUFFER_LEN];
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volatile uint8_t ReceivedBytes = 0;
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volatile uint8_t ReceivedBytes = 0;
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volatile uint8_t *pRxData = 0;
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volatile uint8_t *pRxData = 0;
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    if (usart_rx_ok == 0) {
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    if (usart_rx_ok == 0) {
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        // if ((c2 == '#') && (c1 == 'b' || c1 == 'c') && (c == 'D' || c == 'V' || c == 'O')) {
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        // if ((c2 == '#') && (c1 == 'b' || c1 == 'c') && (c == 'D' || c == 'V' || c == 'O')) {
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        if ((c2 == '#') && (c1 == 'b' || c1 == 'c') &&
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        if ((c2 == '#') && (c1 == 'b' || c1 == 'c') &&
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#if FCONLY
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#if FCONLY
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            (c == 'V' || c == 'D')) { // version and debug
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            (c == 'V' || c == 'D' || c == 'Q')) { // version, debug, settings
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#else
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#else
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            (c == 'V' || c == 'O')) { // version and OSD
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            (c == 'V' || c == 'O' || c == 'Q')) { // version, OSD, settings
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#endif
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#endif
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                usart_rx_ok = 1;
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                usart_rx_ok = 1;
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                rxd_buffer[ptr_rxd_buffer++] = c2;
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                rxd_buffer[ptr_rxd_buffer++] = c2;
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                crc = c2;
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                crc = c2;
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        if (len--) rxd_buffer[ptrOut++] = z;
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        if (len--) rxd_buffer[ptrOut++] = z;
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        else break;
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        else break;
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    }
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    }
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    pRxData = &rxd_buffer[3];
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    pRxData = &rxd_buffer[3];
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    RxDataLen = ptrOut - 3;
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    RxDataLen = ptrOut - 3;
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}
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}
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/**
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 * Request Data through usart1 until a answer is received
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 */
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void usart1_request_blocking(unsigned char answer, const char* message) {
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        rxd_buffer[2] = answer + 1;    
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        while (rxd_buffer[2] != answer) {
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                rxd_buffer_locked = 0;                 
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                usart1_EnableTXD();
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                usart1_puts_pgm(message);                              
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                usart1_DisableTXD();
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                static uint8_t wait = 0;
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                wait = 0;
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                while (rxd_buffer_locked == 0 && wait < 150) {
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                        wait++;
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                        _delay_ms(10);
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                }                      
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        }              
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        Decode64();
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}
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/**
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 * Request UART Redirect from NC to itself
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 */
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void usart1_request_nc_uart(void) {
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        usart1_EnableTXD();
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        usart1_putc(0x1B);
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        usart1_putc(0x1B);
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        usart1_putc(0x55);
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        usart1_putc(0xAA);
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        usart1_putc(0x00);
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        usart1_DisableTXD();
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}
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/**
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/**
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 * request Data through USART in special MK format by adding checksum and
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 * request Data through USART in special MK format by adding checksum and
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 * encode data in modified Base64
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 * encode data in modified Base64