262 lines
8.1 KiB
C
262 lines
8.1 KiB
C
//****************************************************************************
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// @Module UART1 (Serial Interface)
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// @Filename UART1.C
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// @Project CL2.0.dav
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//----------------------------------------------------------------------------
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// @Controller Infineon XC886CLM-8FF
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//
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// @Compiler Keil
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//
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// @Codegenerator 1.3
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//
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// @Description: This file contains functions that use the UART1 module.
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//
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//----------------------------------------------------------------------------
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// @Date 2024/10/31 19:17:02
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//
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,1)
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// USER CODE END
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//****************************************************************************
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// @Project Includes
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//****************************************************************************
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#include "MAIN.H"
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// USER CODE BEGIN (UART1_General,2)
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// USER CODE END
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//****************************************************************************
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// @Macros
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,3)
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// USER CODE END
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//****************************************************************************
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// @Defines
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,4)
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// USER CODE END
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//****************************************************************************
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// @Typedefs
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,5)
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// USER CODE END
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//****************************************************************************
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// @Imported Global Variables
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,6)
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// USER CODE END
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//****************************************************************************
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// @Global Variables
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,7)
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// USER CODE END
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//****************************************************************************
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// @External Prototypes
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,8)
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// USER CODE END
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//****************************************************************************
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// @Prototypes Of Local Functions
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//****************************************************************************
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// USER CODE BEGIN (UART1_General,9)
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// USER CODE END
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//****************************************************************************
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// @Function void UART1_vInit(void)
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//
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//----------------------------------------------------------------------------
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// @Description This is the initialization function of the UART1 function
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// library. It is assumed that the SFRs used by this library
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// are in their reset state.
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//
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// The following SFR fields will be initialized:
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// - register SCON
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// - bits SMOD and EX2
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//
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//----------------------------------------------------------------------------
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// @Returnvalue None
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//
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//----------------------------------------------------------------------------
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// @Parameters None
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//
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//----------------------------------------------------------------------------
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// @Date 2024/10/31
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//
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//****************************************************************************
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// USER CODE BEGIN (UART1_Init,1)
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// USER CODE END
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void UART1_vInit(void)
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{
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// USER CODE BEGIN (UART1_Init,2)
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// USER CODE END
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/// -----------------------------------------------------------------------
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/// UART1 settings
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/// -----------------------------------------------------------------------
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/// Pin TXD1_1 (P3.1) is selected for transmission
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/// Pin RXD1_1 (P3.2) is selected for reception
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/// Receiver enabled
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/// UART1 interrupt is enabled
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/// Ignore Normal divider overflow interrupt
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/// Mode 1: 8-bit data, 1 start bit, 1 stop bit, variable baud rate
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/// Receiver interrupt flag RI_1 will only be activated if a valid stop
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/// bit was received
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/// BRG is selected for baudrate generation
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SFR_PAGE(_pp2, noSST); // switch to page 2 without saving
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P3_ALTSEL0 |= (ubyte)0x02; // configure alternate function register 0
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P3_ALTSEL1 |= (ubyte)0x02; // configure alternate function register 1
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SFR_PAGE(_pp0, noSST); // switch to page 0 without saving
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P3_DIR |= (ubyte)0x02; // set output direction
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SFR_PAGE(_su3, noSST); // switch to page 3 without saving
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MODPISEL1 |= (ubyte)0x08; // configure peripheral input select register
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SFR_PAGE(_su0, noSST); // switch to page 0 without saving
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SET_RMAP();
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UART1_BCON = 0x00; // reset baudrate timer/reload register
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UART1_SCON = 0x50; // load serial channel control register
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/// -----------------------------------------------------------------------
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/// Baudrate generator settings
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/// -----------------------------------------------------------------------
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/// input clock = fPCLK
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/// Fractional divider is disabled
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/// baudrate = 9.6154 kbaud
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UART1_BG = 0x9B; // load baudrate timer/reload register
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UART1_BCON |= 0x01; // load baud rate control register
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RESET_RMAP();
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// USER CODE BEGIN (UART1_Init,3)
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// USER CODE END
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} // End of function UART1_vInit
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//****************************************************************************
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// @Function ubyte UART1_ubGetData8(void)
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//
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//----------------------------------------------------------------------------
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// @Description This function returns the last received 8-bit data unit.
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// Interrupt flag RI_1 will be cleared.
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//
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//----------------------------------------------------------------------------
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// @Returnvalue received data unit
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//
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//----------------------------------------------------------------------------
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// @Parameters None
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//
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//----------------------------------------------------------------------------
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// @Date 2024/10/31
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//
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//****************************************************************************
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ubyte UART1_ubGetData8(void)
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{
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ubyte ubData;
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_push_(SYSCON0); // push the current RMAP
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SET_RMAP();
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// Clear the receiver interrupt flag
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UART1_SCON &= ~(ubyte)0x01;
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// Read the received data bits 0..7
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ubData = (ubyte)UART1_SBUF;
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_pop_(SYSCON0); // restore the old RMAP
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// Return the received data byte
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return(ubData);
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} // End of function UART1_ubGetData8
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//****************************************************************************
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// @Function void UART1_vSendData8(ubyte ubData)
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//
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//----------------------------------------------------------------------------
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// @Description This function transmits an 8-bit data unit. At first
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// interrupt flag TI_1 is cleared, then buffer SBUF is written.
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//
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//----------------------------------------------------------------------------
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// @Returnvalue None
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//
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//----------------------------------------------------------------------------
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// @Parameters ubData:
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// data to be transmitted
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//
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//----------------------------------------------------------------------------
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// @Date 2024/10/31
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//
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//****************************************************************************
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void UART1_vSendData8(ubyte ubData)
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{
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_push_(SYSCON0); // push the current RMAP
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SET_RMAP();
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// Clear the transmitter interrupt flag
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UART1_SCON &= ~(ubyte)0x02;
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// Write the transmit data byte, this initiates the transmission.
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UART1_SBUF = ubData;
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_pop_(SYSCON0); // restore the old RMAP
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} // End of function UART1_vSendData8
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// USER CODE BEGIN (UART1_General,10)
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// USER CODE END
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