void cdc_set_line_coding (void)
{
Usb_ack_setup_received_free();
while(!Is_usb_control_out_received());
Usb_reset_endpoint_fifo_access(EP_CONTROL);
LSB0(line_coding.dwDTERate) = Usb_read_endpoint_data(EP_CONTROL, 8);
LSB1(line_coding.dwDTERate) = Usb_read_endpoint_data(EP_CONTROL, 8);
LSB2(line_coding.dwDTERate) = Usb_read_endpoint_data(EP_CONTROL, 8);
LSB3(line_coding.dwDTERate) = Usb_read_endpoint_data(EP_CONTROL, 8);
line_coding.bCharFormat = Usb_read_endpoint_data(EP_CONTROL, 8);
line_coding.bParityType = Usb_read_endpoint_data(EP_CONTROL, 8);
line_coding.bDataBits = Usb_read_endpoint_data(EP_CONTROL, 8);
Usb_ack_control_out_received_free();
Usb_ack_control_in_ready_send();
while (!Is_usb_control_in_ready());
// Set the baudrate of the USART
{
static usart_options_t dbg_usart_options;
uint32_t stopbits, parity;
if ( line_coding.bCharFormat==0 ) stopbits = USART_1_STOPBIT;
else if( line_coding.bCharFormat==1 ) stopbits = USART_1_5_STOPBITS;
else stopbits = USART_2_STOPBITS;
if ( line_coding.bParityType==0 ) parity = USART_NO_PARITY;
else if( line_coding.bParityType==1 ) parity = USART_ODD_PARITY;
else if( line_coding.bParityType==2 ) parity = USART_EVEN_PARITY;
else if( line_coding.bParityType==3 ) parity = USART_MARK_PARITY;
else parity = USART_SPACE_PARITY;
// Options for debug USART.
dbg_usart_options.baudrate = line_coding.dwDTERate;
dbg_usart_options.charlength = line_coding.bDataBits;
dbg_usart_options.paritytype = parity;
dbg_usart_options.stopbits = stopbits;
dbg_usart_options.channelmode = USART_NORMAL_CHMODE;
// Initialize it in RS232 mode.
usart_init_rs232(DBG_USART, &dbg_usart_options, pcl_freq_param.pba_f);
// Enable Rx interrupts
DBG_USART->ier = AVR32_USART_IER_RXRDY_MASK;
}
}
//! cdc_set_line_coding.
//!
//! @brief This function manages reception of line coding parameters (baudrate...).
//!
void cdc_set_line_coding (void)
{
Usb_ack_receive_setup();
while (!(Is_usb_receive_out()));
LSB0(line_coding.dwDTERate) = Usb_read_byte();
LSB1(line_coding.dwDTERate) = Usb_read_byte();
LSB2(line_coding.dwDTERate) = Usb_read_byte();
LSB3(line_coding.dwDTERate) = Usb_read_byte();
line_coding.bCharFormat = Usb_read_byte();
line_coding.bParityType = Usb_read_byte();
line_coding.bDataBits = Usb_read_byte();
Usb_ack_receive_out();
Usb_send_control_in(); // send a ZLP for STATUS phase
while(!(Is_usb_read_control_enabled()));
}
//! cdc_get_line_coding.
//!
//! @brief This function manages reception of line coding parameters (baudrate...).
//!
void cdc_get_line_coding(void)
{
Usb_ack_receive_setup();
Usb_write_byte(LSB0(line_coding.dwDTERate));
Usb_write_byte(LSB1(line_coding.dwDTERate));
Usb_write_byte(LSB2(line_coding.dwDTERate));
Usb_write_byte(LSB3(line_coding.dwDTERate));
Usb_write_byte(line_coding.bCharFormat);
Usb_write_byte(line_coding.bParityType);
Usb_write_byte(line_coding.bDataBits);
Usb_send_control_in();
while(!(Is_usb_read_control_enabled()));
//Usb_clear_tx_complete();
while(!Is_usb_receive_out());
Usb_ack_receive_out();
}
void cdc_get_line_coding(void)
{
Usb_ack_setup_received_free();
Usb_reset_endpoint_fifo_access(EP_CONTROL);
Usb_write_endpoint_data(EP_CONTROL, 8, LSB0(line_coding.dwDTERate));
Usb_write_endpoint_data(EP_CONTROL, 8, LSB1(line_coding.dwDTERate));
Usb_write_endpoint_data(EP_CONTROL, 8, LSB2(line_coding.dwDTERate));
Usb_write_endpoint_data(EP_CONTROL, 8, LSB3(line_coding.dwDTERate));
Usb_write_endpoint_data(EP_CONTROL, 8, line_coding.bCharFormat);
Usb_write_endpoint_data(EP_CONTROL, 8, line_coding.bParityType);
Usb_write_endpoint_data(EP_CONTROL, 8, line_coding.bDataBits );
Usb_ack_control_in_ready_send();
while (!Is_usb_control_in_ready());
while(!Is_usb_control_out_received());
Usb_ack_control_out_received_free();
}
