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[/] [openmsp430/] [trunk/] [fpga/] [xilinx_diligent_s3board/] [software/] [hw_uart/] [hardware.h] - Blame information for rev 211

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Line No. Rev Author Line
1 136 olivier.gi
#ifndef HARDWARE_H
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#define HARDWARE_H
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//--------------------------------------------------
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// Hardware UART register address mapping
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//--------------------------------------------------
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#define UART_CTL          (*(volatile unsigned char *) 0x0080)  // UART Control register (8bit)
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#define UART_STAT         (*(volatile unsigned char *) 0x0081)  // UART Status register (8bit)
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#define UART_BAUD         (*(volatile unsigned int  *) 0x0082)  // UART Baud rate configuration (16bit)
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#define UART_TXD          (*(volatile unsigned char *) 0x0084)  // UART Transmit data register (8bit)
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#define UART_RXD          (*(volatile unsigned char *) 0x0085)  // UART Receive data register (8bit)
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//--------------------------------------------------
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// Hardware UART register field mapping
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//--------------------------------------------------
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// UART Control register fields
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#define  UART_IEN_TX_EMPTY  0x80
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#define  UART_IEN_TX        0x40
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#define  UART_IEN_RX_OVFLW  0x20
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#define  UART_IEN_RX        0x10
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#define  UART_SMCLK_SEL     0x02
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#define  UART_EN            0x01
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// UART Status register fields
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#define  UART_TX_EMPTY_PND  0x80
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#define  UART_TX_PND        0x40
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#define  UART_RX_OVFLW_PND  0x20
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#define  UART_RX_PND        0x10
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#define  UART_TX_FULL       0x08
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#define  UART_TX_BUSY       0x04
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#define  UART_RX_BUSY       0x01
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//--------------------------------------------------
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// Hardware UART interrupt mapping
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//--------------------------------------------------
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#define UART_TX_VECTOR      (6 *2) // Interrupt vector 6  (0xFFEC)
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#define UART_RX_VECTOR      (7 *2) // Interrupt vector 7  (0xFFEE)
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//--------------------------------------------------
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// Diverse
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//--------------------------------------------------
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// BAUD = (mclk_freq/baudrate)-1
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//#define BAUD           2083            //   9600  @20.0MHz
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//#define BAUD           1042            //  19200  @20.0MHz
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//#define BAUD            521            //  38400  @20.0MHz
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//#define BAUD            347            //  57600  @20.0MHz
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#define BAUD            174            // 115200  @20.0MHz
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//#define BAUD             87            // 230400  @20.0MHz
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#endif //HARDWARE_H

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