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l3gd20_spi.c File Reference

Driver for L3GD20 3-axis gyroscope from ST using SPI. More...

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Macros

#define Int16FromBuf(_buf, _idx)   ((int16_t)((_buf[_idx+1]<<8) | _buf[_idx]))
 

Functions

void l3gd20_spi_init (struct L3gd20_Spi *l3g, struct spi_periph *spi_p, uint8_t slave_idx)
 
static void l3gd20_spi_write_to_reg (struct L3gd20_Spi *l3g, uint8_t _reg, uint8_t _val)
 
static void l3gd20_spi_send_config (struct L3gd20_Spi *l3g)
 
void l3gd20_spi_start_configure (struct L3gd20_Spi *l3g)
 
void l3gd20_spi_read (struct L3gd20_Spi *l3g)
 
void l3gd20_spi_event (struct L3gd20_Spi *l3g)
 

Detailed Description

Driver for L3GD20 3-axis gyroscope from ST using SPI.

Definition in file l3gd20_spi.c.

Macro Definition Documentation

#define Int16FromBuf (   _buf,
  _idx 
)    ((int16_t)((_buf[_idx+1]<<8) | _buf[_idx]))

Definition at line 133 of file l3gd20_spi.c.

Referenced by l3gd20_spi_event().

Function Documentation

void l3gd20_spi_read ( struct L3gd20_Spi l3g)

Definition at line 122 of file l3gd20_spi.c.

References L3gd20_Spi::initialized, spi_transaction::input_length, L3GD20_REG_STATUS_REG, spi_transaction::output_length, L3gd20_Spi::spi_p, spi_submit(), L3gd20_Spi::spi_trans, SPITransDone, spi_transaction::status, and L3gd20_Spi::tx_buf.

Referenced by l3gd20_spi_periodic().

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void l3gd20_spi_start_configure ( struct L3gd20_Spi l3g)

Definition at line 112 of file l3gd20_spi.c.

References L3gd20_Spi::init_status, L3G_CONF_UNINIT, l3gd20_spi_send_config(), L3gd20_Spi::spi_trans, SPITransDone, SPITransSuccess, and spi_transaction::status.

Referenced by l3gd20_spi_periodic().

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static void l3gd20_spi_write_to_reg ( struct L3gd20_Spi l3g,
uint8_t  _reg,
uint8_t  _val 
)
static

Definition at line 64 of file l3gd20_spi.c.

References spi_transaction::input_length, spi_transaction::output_length, L3gd20_Spi::spi_p, spi_submit(), L3gd20_Spi::spi_trans, and L3gd20_Spi::tx_buf.

Referenced by l3gd20_spi_send_config().

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