diff options
Diffstat (limited to 'lib/pico-sdk/rp2040/hardware/structs/pwm.h')
| -rw-r--r-- | lib/pico-sdk/rp2040/hardware/structs/pwm.h | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/lib/pico-sdk/rp2040/hardware/structs/pwm.h b/lib/pico-sdk/rp2040/hardware/structs/pwm.h new file mode 100644 index 00000000..3eedee4d --- /dev/null +++ b/lib/pico-sdk/rp2040/hardware/structs/pwm.h @@ -0,0 +1,172 @@ +// THIS HEADER FILE IS AUTOMATICALLY GENERATED -- DO NOT EDIT + +/** + * Copyright (c) 2024 Raspberry Pi Ltd. + * + * SPDX-License-Identifier: BSD-3-Clause + */ +#ifndef _HARDWARE_STRUCTS_PWM_H +#define _HARDWARE_STRUCTS_PWM_H + +/** + * \file rp2040/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 + |