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v2.2.0 (RP2040)
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sio.h
// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT
#ifndef _HARDWARE_STRUCTS_SIO_H
#define _HARDWARE_STRUCTS_SIO_H
#include "hardware/address_mapped.h"
#include "hardware/regs/sio.h"
#include "hardware/structs/interp.h"
// Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_sio
//
// The _REG_ macro is intended to help make the register navigable in your IDE (for example, using the "Go to Definition" feature)
// _REG_(x) will link to the corresponding register in hardware/regs/sio.h.
//
// Bit-field descriptions are of the form:
// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION
typedef struct {
_REG_(SIO_CPUID_OFFSET) // SIO_CPUID
// Processor core identifier
// 0xffffffff [31:0] CPUID (-) Value is 0 when read from processor core 0, and 1 when...
io_ro_32 cpuid;
_REG_(SIO_GPIO_IN_OFFSET) // SIO_GPIO_IN
// Input value for GPIO pins
// 0x3fffffff [29:0] GPIO_IN (0x00000000) Input value for GPIO0
io_ro_32 gpio_in;
_REG_(SIO_GPIO_HI_IN_OFFSET) // SIO_GPIO_HI_IN
// Input value for QSPI pins
// 0x0000003f [5:0] GPIO_HI_IN (0x00) Input value on QSPI IO in order 0
io_ro_32 gpio_hi_in;
uint32_t _pad0;
_REG_(SIO_GPIO_OUT_OFFSET) // SIO_GPIO_OUT
// GPIO output value
// 0x3fffffff [29:0] GPIO_OUT (0x00000000) Set output level (1/0 -> high/low) for GPIO0
io_rw_32 gpio_out;
_REG_(SIO_GPIO_OUT_SET_OFFSET) // SIO_GPIO_OUT_SET
// GPIO output value set
// 0x3fffffff [29:0] GPIO_OUT_SET (0x00000000) Perform an atomic bit-set on GPIO_OUT, i
io_wo_32 gpio_set;
_REG_(SIO_GPIO_OUT_CLR_OFFSET) // SIO_GPIO_OUT_CLR
// GPIO output value clear
// 0x3fffffff [29:0] GPIO_OUT_CLR (0x00000000) Perform an atomic bit-clear on GPIO_OUT, i
io_wo_32 gpio_clr;
_REG_(SIO_GPIO_OUT_XOR_OFFSET) // SIO_GPIO_OUT_XOR
// GPIO output value XOR
// 0x3fffffff [29:0] GPIO_OUT_XOR (0x00000000) Perform an atomic bitwise XOR on GPIO_OUT, i
io_wo_32 gpio_togl;
_REG_(SIO_GPIO_OE_OFFSET) // SIO_GPIO_OE
// GPIO output enable
// 0x3fffffff [29:0] GPIO_OE (0x00000000) Set output enable (1/0 -> output/input) for GPIO0
io_rw_32 gpio_oe;
_REG_(SIO_GPIO_OE_SET_OFFSET) // SIO_GPIO_OE_SET
// GPIO output enable set
// 0x3fffffff [29:0] GPIO_OE_SET (0x00000000) Perform an atomic bit-set on GPIO_OE, i
io_wo_32 gpio_oe_set;
_REG_(SIO_GPIO_OE_CLR_OFFSET) // SIO_GPIO_OE_CLR
// GPIO output enable clear
// 0x3fffffff [29:0] GPIO_OE_CLR (0x00000000) Perform an atomic bit-clear on GPIO_OE, i
io_wo_32 gpio_oe_clr;
_REG_(SIO_GPIO_OE_XOR_OFFSET) // SIO_GPIO_OE_XOR
// GPIO output enable XOR
// 0x3fffffff [29:0] GPIO_OE_XOR (0x00000000) Perform an atomic bitwise XOR on GPIO_OE, i
io_wo_32 gpio_oe_togl;
_REG_(SIO_GPIO_HI_OUT_OFFSET) // SIO_GPIO_HI_OUT
// QSPI output value
// 0x0000003f [5:0] GPIO_HI_OUT (0x00) Set output level (1/0 -> high/low) for QSPI IO0
io_rw_32 gpio_hi_out;
_REG_(SIO_GPIO_HI_OUT_SET_OFFSET) // SIO_GPIO_HI_OUT_SET
// QSPI output value set
// 0x0000003f [5:0] GPIO_HI_OUT_SET (0x00) Perform an atomic bit-set on GPIO_HI_OUT, i
io_wo_32 gpio_hi_set;
_REG_(SIO_GPIO_HI_OUT_CLR_OFFSET) // SIO_GPIO_HI_OUT_CLR
// QSPI output value clear
// 0x0000003f [5:0] GPIO_HI_OUT_CLR (0x00) Perform an atomic bit-clear on GPIO_HI_OUT, i
io_wo_32 gpio_hi_clr;
_REG_(SIO_GPIO_HI_OUT_XOR_OFFSET) // SIO_GPIO_HI_OUT_XOR
// QSPI output value XOR
// 0x0000003f [5:0] GPIO_HI_OUT_XOR (0x00) Perform an atomic bitwise XOR on GPIO_HI_OUT, i
io_wo_32 gpio_hi_togl;
_REG_(SIO_GPIO_HI_OE_OFFSET) // SIO_GPIO_HI_OE
// QSPI output enable
// 0x0000003f [5:0] GPIO_HI_OE (0x00) Set output enable (1/0 -> output/input) for QSPI IO0
io_rw_32 gpio_hi_oe;
_REG_(SIO_GPIO_HI_OE_SET_OFFSET) // SIO_GPIO_HI_OE_SET
// QSPI output enable set
// 0x0000003f [5:0] GPIO_HI_OE_SET (0x00) Perform an atomic bit-set on GPIO_HI_OE, i
io_wo_32 gpio_hi_oe_set;
_REG_(SIO_GPIO_HI_OE_CLR_OFFSET) // SIO_GPIO_HI_OE_CLR
// QSPI output enable clear
// 0x0000003f [5:0] GPIO_HI_OE_CLR (0x00) Perform an atomic bit-clear on GPIO_HI_OE, i
io_wo_32 gpio_hi_oe_clr;
_REG_(SIO_GPIO_HI_OE_XOR_OFFSET) // SIO_GPIO_HI_OE_XOR
// QSPI output enable XOR
// 0x0000003f [5:0] GPIO_HI_OE_XOR (0x00) Perform an atomic bitwise XOR on GPIO_HI_OE, i
io_wo_32 gpio_hi_oe_togl;
_REG_(SIO_FIFO_ST_OFFSET) // SIO_FIFO_ST
// Status register for inter-core FIFOs (mailboxes).
// 0x00000008 [3] ROE (0) Sticky flag indicating the RX FIFO was read when empty
// 0x00000004 [2] WOF (0) Sticky flag indicating the TX FIFO was written when full
// 0x00000002 [1] RDY (1) Value is 1 if this core's TX FIFO is not full (i
// 0x00000001 [0] VLD (0) Value is 1 if this core's RX FIFO is not empty (i
io_rw_32 fifo_st;
_REG_(SIO_FIFO_WR_OFFSET) // SIO_FIFO_WR
// Write access to this core's TX FIFO
// 0xffffffff [31:0] FIFO_WR (0x00000000)
io_wo_32 fifo_wr;
_REG_(SIO_FIFO_RD_OFFSET) // SIO_FIFO_RD
// Read access to this core's RX FIFO
// 0xffffffff [31:0] FIFO_RD (-)
io_ro_32 fifo_rd;
_REG_(SIO_SPINLOCK_ST_OFFSET) // SIO_SPINLOCK_ST
// Spinlock state
// 0xffffffff [31:0] SPINLOCK_ST (0x00000000)
io_ro_32 spinlock_st;
_REG_(SIO_DIV_UDIVIDEND_OFFSET) // SIO_DIV_UDIVIDEND
// Divider unsigned dividend
// 0xffffffff [31:0] DIV_UDIVIDEND (0x00000000)
io_rw_32 div_udividend;
_REG_(SIO_DIV_UDIVISOR_OFFSET) // SIO_DIV_UDIVISOR
// Divider unsigned divisor
// 0xffffffff [31:0] DIV_UDIVISOR (0x00000000)
io_rw_32 div_udivisor;
_REG_(SIO_DIV_SDIVIDEND_OFFSET) // SIO_DIV_SDIVIDEND
// Divider signed dividend
// 0xffffffff [31:0] DIV_SDIVIDEND (0x00000000)
io_rw_32 div_sdividend;
_REG_(SIO_DIV_SDIVISOR_OFFSET) // SIO_DIV_SDIVISOR
// Divider signed divisor
// 0xffffffff [31:0] DIV_SDIVISOR (0x00000000)
io_rw_32 div_sdivisor;
_REG_(SIO_DIV_QUOTIENT_OFFSET) // SIO_DIV_QUOTIENT
// Divider result quotient
// 0xffffffff [31:0] DIV_QUOTIENT (0x00000000)
io_rw_32 div_quotient;
_REG_(SIO_DIV_REMAINDER_OFFSET) // SIO_DIV_REMAINDER
// Divider result remainder
// 0xffffffff [31:0] DIV_REMAINDER (0x00000000)
io_rw_32 div_remainder;
_REG_(SIO_DIV_CSR_OFFSET) // SIO_DIV_CSR
// Control and status register for divider
// 0x00000002 [1] DIRTY (0) Changes to 1 when any register is written, and back to 0...
// 0x00000001 [0] READY (1) Reads as 0 when a calculation is in progress, 1 otherwise
io_ro_32 div_csr;
uint32_t _pad1;
interp_hw_t interp[2];
// (Description copied from array index 0 register SIO_SPINLOCK0 applies similarly to other array indexes)
_REG_(SIO_SPINLOCK0_OFFSET) // SIO_SPINLOCK0
// Spinlock register 0
// 0xffffffff [31:0] SPINLOCK0 (0x00000000)
io_rw_32 spinlock[32];
} sio_hw_t;
#define sio_hw ((sio_hw_t *)SIO_BASE)
static_assert(sizeof (sio_hw_t) == 0x0180, "");
#endif // _HARDWARE_STRUCTS_SIO_H
address_mapped.h
interp_hw_t
Definition interp.h:26
sio_hw_t
Definition sio.h:28