gap8/pmsis/drivers/fll/fll.c File Reference

Macros
#define	LOG2_MAXDCO
#define	LOG2_MAXDIV
#define	LOG2_REFCLK
#define	LOG2_MAXM

Functions
static uint32_t	__pi_fll_mult_div_from_frequency_get (uint32_t freq, uint32_t *mult, uint32_t *div)
static uint32_t	__pi_fll_frequency_from_mult_div_get (uint32_t mult, uint32_t div)
void	pi_fll_init (uint8_t fll_id, uint32_t frequency)
	Initialize an FLL. More...
int32_t	pi_fll_frequency_set (uint8_t fll_id, uint32_t frequency, uint8_t check)
	Set FLL to given frequency. More...
uint32_t	pi_fll_frequency_get (uint8_t fll_id, uint8_t real)
	Get FLL frequency. More...
int	pi_freq_callback_add (pi_freq_cb_t *cb)
int	pi_freq_callback_remove (pi_freq_cb_t *cb)
void	pi_freq_callback_exec (void)

Variables
static volatile uint32_t	g_fll_frequency [ARCHI_NB_FLL]
static pi_freq_cb_t *	g_freq_cb

Macro Definition Documentation

#define LOG2_MAXDCO

FreqOut = (Fref * Mult)/2^(Div-1) With Mult on 16 bits and Div on 4 bits

#define LOG2_MAXDIV

#define LOG2_MAXM

#define LOG2_REFCLK

Referenced by __pi_fll_frequency_from_mult_div_get(), and __pi_fll_mult_div_from_frequency_get().

Function Documentation

static uint32_t __pi_fll_frequency_from_mult_div_get ( uint32_t  mult, uint32_t  div  )

static

References ARCHI_FLL_REF_CLOCK, and LOG2_REFCLK.

Referenced by pi_fll_frequency_get(), and pi_fll_frequency_set().

static uint32_t __pi_fll_mult_div_from_frequency_get ( uint32_t  freq, uint32_t *  mult, uint32_t *  div  )

static

References __FL1, __MAX, and LOG2_REFCLK.

Referenced by pi_fll_frequency_set().

uint32_t pi_fll_frequency_get	(	uint8_t	fll_id,
		uint8_t	real
	)

Parameters

fll_id	FLL domain.
real	Compute current frequency.

Note

If real param is set, current frequency is computed from HW registers.

Returns

Frequency value.

Referenced by pi_freq_get().

int32_t pi_fll_frequency_set	(	uint8_t	fll_id,
		uint32_t	frequency,
		uint8_t	check
	)

Parameters

fll_id	FLL domain.
frequency	Frequency value to set.
check	Check frequency(with current voltage).

Returns

Set frequency.

Referenced by pi_fll_init(), and pi_freq_set().

void pi_fll_init	(	uint8_t	fll_id,
		uint32_t	frequency
	)

This function initializes an FLL at a given frequency if param is not null.

Parameters

fll_id	FLL domain.
frequency	Initial frequency.

Referenced by __pi_pmu_init(), and pi_pmu_init().

int pi_freq_callback_add

(

pi_freq_cb_t *

cb

)

References g_freq_cb, pi_freq_cb_t::next, and pi_freq_cb_t::prev.

Referenced by __pi_i2c_open(), __pi_pwm_open(), __pi_spi_open(), and __pi_uart_open().

void pi_freq_callback_exec

(

void

)

References pi_freq_cb_t::args, pi_freq_cb_t::function, g_freq_cb, and pi_freq_cb_t::next.

Referenced by pi_fll_frequency_set().

int pi_freq_callback_remove

(

pi_freq_cb_t *

cb

)

References g_freq_cb, pi_freq_cb_t::next, and pi_freq_cb_t::prev.

Referenced by __pi_i2c_close(), __pi_pwm_close(), __pi_spi_close(), and __pi_uart_close().

Variable Documentation

volatile uint32_t g_fll_frequency[ARCHI_NB_FLL]

static

Referenced by pi_fll_frequency_get(), and pi_fll_frequency_set().

pi_freq_cb_t* g_freq_cb

static

Referenced by pi_freq_callback_add(), pi_freq_callback_exec(), and pi_freq_callback_remove().