mag_micromag_fw_hw.h File Reference

#include <stdlib.h>
#include "std.h"
#include "LPC21xx.h"
#include "mcu.h"
#include "mcu_periph/spi.h"
#include <BOARD_CONFIG>
#include "generated/airframe.h"

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Macros
#define	MM_DIVISOR_128   2
#define	MM_DIVISOR_256   3
#define	MM_DIVISOR_512   4
#define	MM_DIVISOR_1024   5
#define	MM_DIVISOR   MM_DIVISOR_512
#define	MmSelect()   SetBit(MM_SS_IOCLR,MM_SS_PIN)
#define	MmUnselect()   SetBit(MM_SS_IOSET,MM_SS_PIN)
#define	MmReset()   SetBit(MM_RESET_IOCLR,MM_RESET_PIN)
#define	MmSet()   SetBit(MM_RESET_IOSET,MM_RESET_PIN)
#define	MmOnSpiIt()
#define	MmSendReq()
#define	MmReadRes()

Functions
void	micromag_hw_init (void)

Variables
volatile uint8_t	micromag_cur_axe

Macro Definition Documentation

#define MM_DIVISOR   MM_DIVISOR_512

Definition at line 20 of file mag_micromag_fw_hw.h.

#define MM_DIVISOR_1024   5

Definition at line 18 of file mag_micromag_fw_hw.h.

#define MM_DIVISOR_128   2

Definition at line 15 of file mag_micromag_fw_hw.h.

#define MM_DIVISOR_256   3

Definition at line 16 of file mag_micromag_fw_hw.h.

#define MM_DIVISOR_512   4

Definition at line 17 of file mag_micromag_fw_hw.h.

#define MmOnSpiIt

(

)

Definition at line 31 of file mag_micromag_fw_hw.h.

Referenced by SSP_ISR().

#define MmReadRes

(

)

Value:

{             \
    micromag_status = MM_READING_RES;           \
    MmSelect();                                 \
    /* trigger 2 bytes read */                  \
    SSPDR = 0;                                  \
    SSPDR = 0;                                  \
    SpiEnable();                                \
    SpiClearRti();                              \
    SpiEnableRti();                             \
  }

Definition at line 80 of file mag_micromag_fw_hw.h.

Referenced by micromag_periodic(), and micromag_read().

#define MmReset

(

)

SetBit(MM_RESET_IOCLR,MM_RESET_PIN)

Definition at line 28 of file mag_micromag_fw_hw.h.

Referenced by micromag_hw_init().

#define MmSelect

(

)

SetBit(MM_SS_IOCLR,MM_SS_PIN)

Definition at line 25 of file mag_micromag_fw_hw.h.

#define MmSendReq

(

)

Value:

{                                                   \
    MmSelect();                                                         \
    micromag_status = MM_SENDING_REQ;                                   \
    MmSet();                                                            \
    SpiClearRti();                                                      \
    SpiEnableRti();                                                     \
    MmReset();                                                          \
    uint8_t control_byte = (micromag_cur_axe+1) << 0 | MM_DIVISOR_1024 << 4; \
    SSPDR = control_byte;                                               \
    SpiEnable();                                                        \
  }

Definition at line 68 of file mag_micromag_fw_hw.h.

Referenced by micromag_periodic(), and micromag_read().

#define MmSet

(

)

SetBit(MM_RESET_IOSET,MM_RESET_PIN)

Definition at line 29 of file mag_micromag_fw_hw.h.

#define MmUnselect

(

)

SetBit(MM_SS_IOSET,MM_SS_PIN)

Definition at line 26 of file mag_micromag_fw_hw.h.

Referenced by micromag_hw_init().

Function Documentation

void micromag_hw_init

(

void

)

Definition at line 48 of file mag_micromag_fw_hw.c.

References _VIC_ADDR, _VIC_CNTL, EXTINT, EXTINT_ISR(), EXTMODE, EXTPOLAR, MmReset, MmUnselect, PINSEL1, SPI1_VIC_SLOT, SSP_ISR(), SSP_PINSEL1_MISO, SSP_PINSEL1_MOSI, SSP_PINSEL1_SCK, SSPCPSR, SSPCR0, SSPCR0_VAL, SSPCR1, SSPCR1_VAL, VIC_BIT, VIC_ENABLE, VIC_SPI1, VICIntEnable, and VICIntSelect.

Referenced by micromag_init().

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Variable Documentation

volatile uint8_t micromag_cur_axe

Definition at line 13 of file mag_micromag_fw_hw.c.