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v2.2.0 (RP2040)
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pwm.h
// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT
#ifndef _HARDWARE_STRUCTS_PWM_H
#define _HARDWARE_STRUCTS_PWM_H
#include "hardware/address_mapped.h"
#include "hardware/regs/pwm.h"
// Reference to datasheet: https://datasheets.raspberrypi.com/rp2040/rp2040-datasheet.pdf#tab-registerlist_pwm
//
// 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/pwm.h.
//
// Bit-field descriptions are of the form:
// BITMASK [BITRANGE] FIELDNAME (RESETVALUE) DESCRIPTION
typedef struct {
_REG_(PWM_CH0_CSR_OFFSET) // PWM_CH0_CSR
// Control and status register
// 0x00000080 [7] PH_ADV (0) Advance the phase of the counter by 1 count, while it is running
// 0x00000040 [6] PH_RET (0) Retard the phase of the counter by 1 count, while it is running
// 0x00000030 [5:4] DIVMODE (0x0)
// 0x00000008 [3] B_INV (0) Invert output B
// 0x00000004 [2] A_INV (0) Invert output A
// 0x00000002 [1] PH_CORRECT (0) 1: Enable phase-correct modulation
// 0x00000001 [0] EN (0) Enable the PWM channel
io_rw_32 csr;
_REG_(PWM_CH0_DIV_OFFSET) // PWM_CH0_DIV
// INT and FRAC form a fixed-point fractional number
// 0x00000ff0 [11:4] INT (0x01)
// 0x0000000f [3:0] FRAC (0x0)
io_rw_32 div;
_REG_(PWM_CH0_CTR_OFFSET) // PWM_CH0_CTR
// Direct access to the PWM counter
// 0x0000ffff [15:0] CH0_CTR (0x0000)
io_rw_32 ctr;
_REG_(PWM_CH0_CC_OFFSET) // PWM_CH0_CC
// Counter compare values
// 0xffff0000 [31:16] B (0x0000)
// 0x0000ffff [15:0] A (0x0000)
io_rw_32 cc;
_REG_(PWM_CH0_TOP_OFFSET) // PWM_CH0_TOP
// Counter wrap value
// 0x0000ffff [15:0] CH0_TOP (0xffff)
io_rw_32 top;
} pwm_slice_hw_t;
typedef struct {
_REG_(PWM_INTE_OFFSET) // PWM_INTE
// Interrupt Enable
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 inte;
_REG_(PWM_INTF_OFFSET) // PWM_INTF
// Interrupt Force
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 intf;
_REG_(PWM_INTS_OFFSET) // PWM_INTS
// Interrupt status after masking & forcing
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_ro_32 ints;
} pwm_irq_ctrl_hw_t;
typedef struct {
pwm_slice_hw_t slice[8];
_REG_(PWM_EN_OFFSET) // PWM_EN
// This register aliases the CSR_EN bits for all channels
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 en;
_REG_(PWM_INTR_OFFSET) // PWM_INTR
// Raw Interrupts
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 intr;
union {
struct {
_REG_(PWM_INTE_OFFSET) // PWM_INTE
// Interrupt Enable
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 inte;
_REG_(PWM_INTF_OFFSET) // PWM_INTF
// Interrupt Force
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 intf;
_REG_(PWM_INTS_OFFSET) // PWM_INTS
// Interrupt status after masking & forcing
// 0x00000080 [7] CH7 (0)
// 0x00000040 [6] CH6 (0)
// 0x00000020 [5] CH5 (0)
// 0x00000010 [4] CH4 (0)
// 0x00000008 [3] CH3 (0)
// 0x00000004 [2] CH2 (0)
// 0x00000002 [1] CH1 (0)
// 0x00000001 [0] CH0 (0)
io_rw_32 ints;
};
pwm_irq_ctrl_hw_t irq_ctrl[1];
};
} pwm_hw_t;
#define pwm_hw ((pwm_hw_t *)PWM_BASE)
static_assert(sizeof (pwm_hw_t) == 0x00b4, "");
#endif // _HARDWARE_STRUCTS_PWM_H
address_mapped.h
pwm_hw_t
Definition pwm.h:99
pwm_irq_ctrl_hw_t
Definition pwm.h:61
pwm_slice_hw_t
Definition pwm.h:26