driver.c File Reference

#include "hal/vsf_hal_cfg.h"
#include "./device.h"
#include "./driver.h"
#include "pico/platform.h"
#include "hardware/platform_defs.h"
#include "hardware/address_mapped.h"
#include "hardware/regs/resets.h"
#include "hardware/structs/xosc.h"
#include "hardware/structs/clocks.h"
#include "hardware/structs/pll.h"
#include "hardware/structs/resets.h"
#include "hal/driver/common/swi/arm/vsf_swi_template.inc"

Macros
#define	KHZ   1000
#define	MHZ   1000000
#define	PLL_COMMON_REFDIV   1
	\tag::pll_settings[]
#define	PICO_XOSC_STARTUP_DELAY_MULTIPLIER   64
#define	STARTUP_DELAY   (((XOSC_KHZ + 128) / 256) * PICO_XOSC_STARTUP_DELAY_MULTIPLIER)

Functions
void	xosc_init (void)
	\end::reset_funcs[]
void	pll_init (pll_hw_t *pll, uint refdiv, uint vco_freq, uint post_div1, uint post_div2)
	\tag::pll_init_calculations[]
bool	clock_configure (enum clock_index clk_index, uint32_t src, uint32_t auxsrc, uint32_t src_freq, uint32_t freq)
	\tagclock_configure[]
uint32_t	clock_get_hz (enum clock_index clk_index)
	\endclock_configure[]
bool	vsf_driver_init (void)
	\endclock_get_hz[]

Macro Definition Documentation

KHZ

#define KHZ   1000

MHZ

#define MHZ   1000000

PLL_COMMON_REFDIV

#define PLL_COMMON_REFDIV   1

\tag::pll_settings[]

\end::pll_settings[]

PICO_XOSC_STARTUP_DELAY_MULTIPLIER

#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER   64

STARTUP_DELAY

#define STARTUP_DELAY   (((XOSC_KHZ + 128) / 256) * PICO_XOSC_STARTUP_DELAY_MULTIPLIER)

Function Documentation

xosc_init()

void xosc_init

(

void

)

\end::reset_funcs[]

pll_init()

void pll_init	(	pll_hw_t *	pll,
		uint	refdiv,
		uint	vco_freq,
		uint	post_div1,
		uint	post_div2
	)

\tag::pll_init_calculations[]

\end::pll_init_calculations[]

\tag::pll_init_finish[]

\end::pll_init_finish[]

clock_configure()

bool clock_configure	(	enum clock_index	clk_index,
		uint32_t	src,
		uint32_t	auxsrc,
		uint32_t	src_freq,
		uint32_t	freq
	)

\tagclock_configure[]

clock_get_hz()

uint32_t clock_get_hz

(

enum clock_index

clk_index

)

\endclock_configure[]

\tagclock_get_hz[]

vsf_driver_init()

bool vsf_driver_init

(

void

)

\endclock_get_hz[]

common hal drivers

Note

initialize device driver

Parameters

none

Return values

true	initialization succeeded.
false	initialization failed

\tagpll_init[]

\endpll_init[]

\tag::configure_clk_sys[]

\end::configure_clk_sys[]