Peripheral CPU definitions for the RP2350. More...

Detailed Description

Peripheral CPU definitions for the RP2350.

Author: Tom Hert git@a.nosp@m.nnsa.nosp@m.nn.eu

Definition in file periph_cpu.h.

#include <inttypes.h>
#include "cpu.h"
#include "core_cm33.h"
#include "RP2350.h"
#include "helpers.h"
#include "gpio_conf.h"
#include "clock_conf.h"
#include "uart_conf.h"
#include "multicore.h"

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Go to the source code of this file.

#define	HAVE_GPIO_T
	Overwrite the default GPIO type to use uint32_t.

#define	GPIO_PIN(port, pin)
	Macro to create a GPIO pin identifier.

#define	_u(x)
	This is a define used throughout the pico sdk.

#define	OSC_DEBUG_PIN_ID 15u
	GPIO Pin ID for oscillator debugging.

#define	RESET_PLL_SYS (1u << 14u)
	Reset bit for the system PLL.

#define	RESET_PADS_BANK0 (1u << 9u)
	Reset bit for the pads bank 0.

#define	RESET_UART0 (1u << 26u)
	Reset bit for UART0 peripheral.

#define	RESET_UART1 (1u << 27u)
	Reset bit for UART1 peripheral.

#define	RESET_IO_BANK0 (1u << 6u)
	Reset bit for the IO bank 0.

#define	PADS_BANK0_GPIO0_IE_BITS (1u << 6u)
	Input enable bit for GPIO0 in PADS_BANK0.

#define	PADS_BANK0_ISO_BITS (1u << 8u)
	Isolation bits for PADS_BANK0.

void	rp2350_init (void)
	Initialize RP2350 specific CPU peripherals that are not architecture specific.

static uint32_t *	calculate_gpio_pad_register_addr (gpio_t pin)
	Calculate the address of the GPIO pad register for a given pin.

static uint32_t	calculate_gpio_io_status_register_addr (gpio_t pin)
	Calculate the address of the GPIO IO status register for a given pin.

static uint32_t *	calculate_gpio_io_ctrl_register_addr (gpio_t pin)
	Calculate the address of the GPIO IO control register for a given pin.

Macro Definition Documentation

◆ _u

#define _u ( x )

Value:

((uint32_t)(x))

This is a define used throughout the pico sdk.

Definition at line 33 of file periph_cpu.h.

◆ GPIO_PIN

#define GPIO_PIN	(		port,
			pin )

Value:

(((port) & 0) | (pin))

Macro to create a GPIO pin identifier.

Parameters

port	The GPIO port (Currently only GPIO0)
pin	The GPIO pin number

Definition at line 30 of file periph_cpu.h.

◆ HAVE_GPIO_T

#define HAVE_GPIO_T

Overwrite the default GPIO type to use uint32_t.

Definition at line 22 of file periph_cpu.h.

◆ OSC_DEBUG_PIN_ID

#define OSC_DEBUG_PIN_ID 15u

GPIO Pin ID for oscillator debugging.

Definition at line 61 of file periph_cpu.h.

◆ PADS_BANK0_GPIO0_IE_BITS

#define PADS_BANK0_GPIO0_IE_BITS (1u << 6u)

Input enable bit for GPIO0 in PADS_BANK0.

Definition at line 79 of file periph_cpu.h.

◆ PADS_BANK0_ISO_BITS

#define PADS_BANK0_ISO_BITS (1u << 8u)

Isolation bits for PADS_BANK0.

Definition at line 82 of file periph_cpu.h.

◆ RESET_IO_BANK0

#define RESET_IO_BANK0 (1u << 6u)

Reset bit for the IO bank 0.

Definition at line 76 of file periph_cpu.h.

◆ RESET_PADS_BANK0

#define RESET_PADS_BANK0 (1u << 9u)

Reset bit for the pads bank 0.

Definition at line 67 of file periph_cpu.h.

◆ RESET_PLL_SYS

#define RESET_PLL_SYS (1u << 14u)

Reset bit for the system PLL.

Definition at line 64 of file periph_cpu.h.

◆ RESET_UART0

#define RESET_UART0 (1u << 26u)

Reset bit for UART0 peripheral.

Definition at line 70 of file periph_cpu.h.

◆ RESET_UART1

#define RESET_UART1 (1u << 27u)

Reset bit for UART1 peripheral.

Definition at line 73 of file periph_cpu.h.

Function Documentation

◆ calculate_gpio_io_ctrl_register_addr()

static uint32_t * calculate_gpio_io_ctrl_register_addr ( gpio_t pin )

inlinestatic

Calculate the address of the GPIO IO control register for a given pin.

Parameters

pin	The GPIO pin number

Returns: The address of the GPIO IO control register for the given pin

Definition at line 119 of file periph_cpu.h.

◆ calculate_gpio_io_status_register_addr()

static uint32_t calculate_gpio_io_status_register_addr ( gpio_t pin )

static

Calculate the address of the GPIO IO status register for a given pin.

Parameters

pin	The GPIO pin number

Returns: The address of the GPIO IO status register for the given pin

Definition at line 108 of file periph_cpu.h.

◆ calculate_gpio_pad_register_addr()

static uint32_t * calculate_gpio_pad_register_addr ( gpio_t pin )

inlinestatic

Calculate the address of the GPIO pad register for a given pin.

Parameters

[in] pin The GPIO pin number

Returns: The address of the GPIO pad register for the given pin

Definition at line 95 of file periph_cpu.h.