hardware.h

Zigbee的nesc源码

#ifndef _H_hardware_h
#define _H_hardware_h

#include "msp430hardware.h"
#include "MSP430ADC12.h"

#include "CC2420Const.h"

#include "AM.h"

// LEDs
TOSH_ASSIGN_PIN(RED_LED, 5, 4);
TOSH_ASSIGN_PIN(GREEN_LED, 5, 5);
TOSH_ASSIGN_PIN(YELLOW_LED, 5, 6);

// CC2420 RADIO #defines
TOSH_ASSIGN_PIN(RADIO_CSN, 4, 2);
TOSH_ASSIGN_PIN(RADIO_VREF, 4, 5);
TOSH_ASSIGN_PIN(RADIO_RESET, 4, 6);
TOSH_ASSIGN_PIN(RADIO_FIFOP, 1, 0);
TOSH_ASSIGN_PIN(RADIO_SFD, 4, 1);
TOSH_ASSIGN_PIN(RADIO_GIO0, 1, 3);
TOSH_ASSIGN_PIN(RADIO_FIFO, 1, 3);
TOSH_ASSIGN_PIN(RADIO_GIO1, 1, 4);
TOSH_ASSIGN_PIN(RADIO_CCA, 1, 4);

TOSH_ASSIGN_PIN(CC_FIFOP, 1, 0);
TOSH_ASSIGN_PIN(CC_FIFO, 1, 3);
TOSH_ASSIGN_PIN(CC_SFD, 4, 1);
TOSH_ASSIGN_PIN(CC_VREN, 4, 5);
TOSH_ASSIGN_PIN(CC_RSTN, 4, 6);

// UART pins
TOSH_ASSIGN_PIN(SOMI0, 3, 2);
TOSH_ASSIGN_PIN(SIMO0, 3, 1);
TOSH_ASSIGN_PIN(UCLK0, 3, 3);
TOSH_ASSIGN_PIN(UTXD0, 3, 4);
TOSH_ASSIGN_PIN(URXD0, 3, 5);
TOSH_ASSIGN_PIN(UTXD1, 3, 6);
TOSH_ASSIGN_PIN(URXD1, 3, 7);
TOSH_ASSIGN_PIN(UCLK1, 5, 3);
TOSH_ASSIGN_PIN(SOMI1, 5, 2);
TOSH_ASSIGN_PIN(SIMO1, 5, 1);

// ADC
TOSH_ASSIGN_PIN(ADC0, 6, 0);
TOSH_ASSIGN_PIN(ADC1, 6, 1);
TOSH_ASSIGN_PIN(ADC2, 6, 2);
TOSH_ASSIGN_PIN(ADC3, 6, 3);
TOSH_ASSIGN_PIN(ADC4, 6, 4);
TOSH_ASSIGN_PIN(ADC5, 6, 5);
TOSH_ASSIGN_PIN(ADC6, 6, 6);
TOSH_ASSIGN_PIN(ADC7, 6, 7);

// HUMIDITY
TOSH_ASSIGN_PIN(HUM_SDA, 1, 5);
TOSH_ASSIGN_PIN(HUM_SCL, 1, 6);
TOSH_ASSIGN_PIN(HUM_PWR, 1, 7);

// GIO pins
TOSH_ASSIGN_PIN(GIO0, 2, 0);
TOSH_ASSIGN_PIN(GIO1, 2, 1);
TOSH_ASSIGN_PIN(GIO2, 2, 3);
TOSH_ASSIGN_PIN(GIO3, 2, 6);

// 1-Wire
TOSH_ASSIGN_PIN(ONEWIRE, 2, 4);

// FLASH
TOSH_ASSIGN_PIN(FLASH_PWR, 4, 3);
TOSH_ASSIGN_PIN(FLASH_CS, 4, 4);
TOSH_ASSIGN_PIN(FLASH_HOLD, 4, 7);

// Detect if the mote is plugged into USB
TOSH_ASSIGN_PIN(USB_DETECT, 1, 2);

// PROGRAMMING PINS (tri-state)
//TOSH_ASSIGN_PIN(TCK, );
TOSH_ASSIGN_PIN(PROG_RX, 1, 1);
TOSH_ASSIGN_PIN(PROG_TX, 2, 2);

// send a bit via bit-banging to the flash
void TOSH_FLASH_M25P_DP_bit(bool set) {
  if (set)
    TOSH_SET_SIMO0_PIN();
  else
    TOSH_CLR_SIMO0_PIN();
  TOSH_SET_UCLK0_PIN();
  TOSH_CLR_UCLK0_PIN();
}

// put the flash into deep sleep mode
// important to do this by default
void TOSH_FLASH_M25P_DP() {
  //  SIMO0, UCLK0
  TOSH_MAKE_SIMO0_OUTPUT();
  TOSH_MAKE_UCLK0_OUTPUT();
  TOSH_MAKE_FLASH_HOLD_OUTPUT();
  TOSH_MAKE_FLASH_CS_OUTPUT();
  TOSH_SET_FLASH_HOLD_PIN();
  TOSH_SET_FLASH_CS_PIN();

  TOSH_wait();

  // initiate sequence;
  TOSH_CLR_FLASH_CS_PIN();
  TOSH_CLR_UCLK0_PIN();
  
  TOSH_FLASH_M25P_DP_bit(TRUE);   // 0
  TOSH_FLASH_M25P_DP_bit(FALSE);  // 1
  TOSH_FLASH_M25P_DP_bit(TRUE);   // 2
  TOSH_FLASH_M25P_DP_bit(TRUE);   // 3
  TOSH_FLASH_M25P_DP_bit(TRUE);   // 4
  TOSH_FLASH_M25P_DP_bit(FALSE);  // 5
  TOSH_FLASH_M25P_DP_bit(FALSE);  // 6
  TOSH_FLASH_M25P_DP_bit(TRUE);   // 7

  TOSH_SET_FLASH_CS_PIN();

  TOSH_SET_SIMO0_PIN();
  TOSH_MAKE_SIMO0_INPUT();
  TOSH_MAKE_UCLK0_INPUT();
  TOSH_CLR_FLASH_HOLD_PIN();
}


// need to undef atomic inside header files or nesC ignores the directive
#undef atomic
void TOSH_SET_PIN_DIRECTIONS(void)
{
  // reset all of the ports to be input and using i/o functionality
  atomic
  {
  P1SEL = 0;
  P2SEL = 0;
  P3SEL = 0;
  P4SEL = 0;
  P5SEL = 0;
  P6SEL = 0;

  P1DIR = 0xe0;
  P1OUT = 0x00;
 
  P2DIR = 0x7b;
  P2OUT = 0x10;

  P3DIR = 0xf1;
  P3OUT = 0x00;

  P4DIR = 0xfd;
  P4OUT = 0xdd;

  P5DIR = 0xff;
  P5OUT = 0xff;

  P6DIR = 0xff;
  P6OUT = 0x00;

  P1IE = 0;
  P2IE = 0;

  // the commands above take care of the pin directions
  // there is no longer a need for explicit set pin
  // directions using the TOSH_SET/CLR macros

  // wait 10ms for the flash to startup
  TOSH_uwait(1024*10);
  // Put the flash in deep sleep state
  TOSH_FLASH_M25P_DP();

  }//atomic
}

#endif // _H_hardware_h