hal_board.c

cc2x30_sw_examples: 适用于SmartRF05EB 支持CC2430、CC2530 提供Light_Switch及perTest例程。

/*******************************************************************************
  Filename:     hal_board.c

  Description:  HAL board peripherals library for the
  SmartRF05EB + CC2430EM/CC2531EM platform

*******************************************************************************/

/*******************************************************************************
* INCLUDES
*/
#include "hal_types.h"
#include "hal_defs.h"
#include "hal_digio.h"
#include "hal_int.h"
#include "hal_mcu.h"
#include "hal_board.h"
#include "hal_lcd.h"
#include "hal_joystick.h"
#include "clock.h"


// comment: should this be here?
#define SPI_CLOCK_POL_LO       0x00
#define SPI_CLOCK_POL_HI       0x80
#define SPI_CLOCK_PHA_0        0x00
#define SPI_CLOCK_PHA_1        0x40
#define SPI_TRANSFER_MSB_FIRST 0x20
#define SPI_TRANSFER_MSB_LAST  0x00

/*******************************************************************************
* LOCAL FUNCTIONS
*/

/*******************************************************************************
* GLOBAL VARIABLES
*/

/*******************************************************************************
* GLOBAL FUNCTIONS
*/

/*******************************************************************************
* @fn      halBoardInit
*
* @brief   Set up board. Initialize MCU, configure I/O pins and user interfaces
*
* @param   none
*
* @return  none
*/

void halBoardInit(void)
{
    halMcuInit();

    MCU_IO_OUTPUT(HAL_BOARD_IO_LED_1_PORT, HAL_BOARD_IO_LED_1_PIN, 0);

    MCU_IO_INPUT(HAL_BOARD_IO_BTN_1_PORT, HAL_BOARD_IO_BTN_1_PIN, MCU_IO_TRISTATE);

    // Joystick push input
    MCU_IO_INPUT(HAL_BOARD_IO_JOY_MOVE_PORT, HAL_BOARD_IO_JOY_MOVE_PIN, \
    MCU_IO_TRISTATE);

    // Analog input
    MCU_IO_PERIPHERAL(HAL_BOARD_IO_JOYSTICK_ADC_PORT, HAL_BOARD_IO_JOYSTICK_ADC_PIN);


    halLcdSpiInit();
    halLcdInit();

    halIntOn();
}


/*******************************************************************************
* @fn          halLcdSpiInit
*
* @brief       Initalise LCD SPI interface
*
* @param       none
*
* @return      none
*/
void halLcdSpiInit(void)
{
   register uint8 baud_exponent;
   register uint8 baud_mantissa;


   // Set SPI on UART 1 alternative 2
   PERCFG |= 0x02;

   // Use SPI on USART 1 alternative 2
   MCU_IO_PERIPHERAL(HAL_BOARD_IO_SPI_MISO_PORT, HAL_BOARD_IO_SPI_MISO_PIN);
   MCU_IO_PERIPHERAL(HAL_BOARD_IO_SPI_MOSI_PORT, HAL_BOARD_IO_SPI_MOSI_PIN);
   MCU_IO_PERIPHERAL(HAL_BOARD_IO_SPI_CLK_PORT,  HAL_BOARD_IO_SPI_CLK_PIN);

   // Set SPI speed to 1 MHz (3 MHz is max on CC2511)
# if (chip==2430 || chip==2431)
   baud_exponent = 15 + CC2430_GET_CLKSPD();
#elif (chip==2530 || chip==2531)
   baud_exponent = 15 + CC2530_GET_CLKSPD();
#endif
   baud_mantissa = 83;

   // Configure peripheral
   U1UCR  = 0x80;      // Flush and goto IDLE state. 8-N-1.
   U1CSR  = 0x00;      // SPI mode, master.
   U1GCR  = SPI_TRANSFER_MSB_FIRST | SPI_CLOCK_PHA_0 | SPI_CLOCK_POL_LO | baud_exponent;
   U1BAUD = baud_mantissa;
}

/*******************************************************************************
* @fn          halLcdSpiEn
*
* @brief       Enable LCD SPI interface
*
* @param       none
*
* @return      none
*/
void halLcdSpiEna(void)
{
   // Use SPI on USART 1 alternative 2
   MCU_IO_PERIPHERAL(HAL_BOARD_IO_SPI_MISO_PORT, HAL_BOARD_IO_SPI_MISO_PIN);
   MCU_IO_PERIPHERAL(HAL_BOARD_IO_SPI_MOSI_PORT, HAL_BOARD_IO_SPI_MOSI_PIN);
   MCU_IO_PERIPHERAL(HAL_BOARD_IO_SPI_CLK_PORT,  HAL_BOARD_IO_SPI_CLK_PIN);
}

/*******************************************************************************
* @fn          halLcdSpiDis
*
* @brief       Disable LCD SPI interface (set pins to input, except CS)
*
* @param       none
*
* @return      none
*/
void halLcdSpiDis(void)
{
  MCU_IO_INPUT(HAL_BOARD_IO_SPI_MISO_PORT, HAL_BOARD_IO_SPI_MISO_PIN, MCU_IO_TRISTATE);
  MCU_IO_INPUT(HAL_BOARD_IO_SPI_MOSI_PORT, HAL_BOARD_IO_SPI_MOSI_PIN, MCU_IO_TRISTATE);
  MCU_IO_INPUT(HAL_BOARD_IO_SPI_CLK_PORT, HAL_BOARD_IO_SPI_CLK_PIN, MCU_IO_TRISTATE);
}

/*------------------------------------------------------------------------------
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								(	)	  ) /                                      
								 \ (	 (_/                                       
								  \_)		 Modify By:cuiqingwei [gary]                  
------------------------------------------------------------------------------*/