gap9/pmsis/drivers/fll/fll.c File Reference

Macros
#define	LOG2_MAXDCO
#define	FLL_MAXM
#define	ARCHI_FLL_MAXDCO_FREQ
#define	PI_FLL_INPUT_FREQ
#define	PI_FLL_ITG_PER
#define	PI_FLL_MAX_MUL

Functions
static uint32_t	__pi_fll_mult_div_from_frequency_get (uint32_t freq, 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...

Variables
static uint32_t	g_fll_frequency [ARCHI_NB_FLL]

Macro Definition Documentation

#define ARCHI_FLL_MAXDCO_FREQ

#define FLL_MAXM

#define LOG2_MAXDCO

#define PI_FLL_INPUT_FREQ

Referenced by __pi_fll_mult_div_from_frequency_get().

#define PI_FLL_ITG_PER

Referenced by pi_fll_init().

#define PI_FLL_MAX_MUL

Referenced by __pi_fll_mult_div_from_frequency_get().

Function Documentation

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

static

References PI_FLL_INPUT_FREQ, and PI_FLL_MAX_MUL.

Referenced by pi_fll_frequency_set(), and pi_fll_init().

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.

References __pi_fll_frequency_from_mult_div_get(), g_fll_frequency, hal_fll_conf1_div_get(), and hal_fll_status_mult_factor_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.

References __pi_fll_frequency_from_mult_div_get(), __pi_fll_mult_div_from_frequency_get(), abs(), fll_ctrl_conf2_t::assert_cycles, fll_ctrl_conf1_t::clock_out_divider, fll_ctrl_conf2_t::config_clock_sel, fll_ctrl_conf2_t::de_assert_cycles, fll_ctrl_conf2_t::dithering, FLL_ID_FC, FLL_TRACE, g_fll_frequency, hal_fll_conf1_div_get(), hal_fll_conf1_mask_set(), hal_fll_conf2_mask_set(), hal_fll_mult_div_set(), hal_fll_status_mult_factor_get(), fll_ctrl_conf2_t::lock_tolerance, fll_ctrl_conf2_t::loop_gain, fll_ctrl_conf1_t::mode, fll_ctrl_conf1_t::mult_factor, fll_ctrl_conf2_t::open_loop, fll_ctrl_conf1_t::output_lock_enable, pi_freq_callback_exec(), printf, fll_ctrl_conf1_t::raw, fll_ctrl_conf2_t::raw, and system_core_clock_update().

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.

References __pi_fll_mult_div_from_frequency_get(), fll_ctrl_conf2_t::assert_cycles, fll_ctrl_conf2_t::config_clock_sel, fll_ctrl_conf2_t::de_assert_cycles, fll_ctrl_conf2_t::dithering, fll, FLL_TRACE, g_fll_frequency, hal_fll_clock_conf_mask_set(), hal_fll_conf1_get(), hal_fll_conf1_mask_set(), hal_fll_conf2_mask_set(), hal_fll_dco_set(), hal_fll_integrator_set(), hal_fll_mult_div_set(), fll_ctrl_integrator_t::int_part, fll_ctrl_conf2_t::lock_tolerance, fll_ctrl_conf2_t::loop_gain, fll_ctrl_conf1_t::mode, fll_ctrl_conf2_t::open_loop, pi_fll_frequency_set(), PI_FLL_ITG_PER, fll_ctrl_conf1_t::raw, fll_ctrl_conf2_t::raw, and fll_ctrl_integrator_t::raw.

Variable Documentation

uint32_t g_fll_frequency[ARCHI_NB_FLL]

static

Referenced by pi_fll_frequency_get(), pi_fll_frequency_set(), and pi_fll_init().