kopia lustrzana https://github.com/espressif/esp-idf
65 wiersze
2.0 KiB
C
65 wiersze
2.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "soc/rmt_periph.h"
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#include "soc/rmt_reg.h"
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#include "soc/gpio_sig_map.h"
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const rmt_signal_conn_t rmt_periph_signals = {
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.groups = {
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[0] = {
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.irq = ETS_RMT_INTR_SOURCE,
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.channels = {
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[0] = {
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.tx_sig = RMT_SIG_OUT0_IDX,
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.rx_sig = -1
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},
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[1] = {
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.tx_sig = RMT_SIG_OUT1_IDX,
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.rx_sig = -1
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},
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[2] = {
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.tx_sig = -1,
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.rx_sig = RMT_SIG_IN0_IDX
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},
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[3] = {
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.tx_sig = -1,
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.rx_sig = RMT_SIG_IN1_IDX
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},
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}
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}
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}
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};
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/**
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* RMT Registers to be saved during sleep retention
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* - Channel configuration registers, e.g.: RMT_CH0CONF0_REG, RMT_CH3CONF0_REG, RMT_CH3CONF1_REG, RMT_CH0_TX_LIM_REG, RMT_CH3_RX_LIM_REG
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* - TX synchronization registers, e.g.: RMT_TX_SIM_REG
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* - Interrupt enable registers, e.g.: RMT_INT_ENA_REG
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* - Carrier duty registers, e.g.: RMT_CH0CARRIER_DUTY_REG, RMT_CH3_RX_CARRIER_RM_REG
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* - Global configuration registers, e.g.: RMT_SYS_CONF_REG
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*/
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#define RMT_RETENTION_REGS_CNT 17
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#define RMT_RETENTION_REGS_BASE (DR_REG_RMT_BASE + 0x10)
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static const uint32_t rmt_regs_map[4] = {0xffd03f, 0x0, 0x0, 0x0};
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static const regdma_entries_config_t rmt_regdma_entries[] = {
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[0] = {
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.config = REGDMA_LINK_ADDR_MAP_INIT(REGDMA_RMT_LINK(0x00),
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RMT_RETENTION_REGS_BASE, RMT_RETENTION_REGS_BASE,
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RMT_RETENTION_REGS_CNT, 0, 0,
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rmt_regs_map[0], rmt_regs_map[1],
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rmt_regs_map[2], rmt_regs_map[3]),
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.owner = ENTRY(0) | ENTRY(2),
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},
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};
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const rmt_reg_retention_info_t rmt_reg_retention_info[SOC_RMT_GROUPS] = {
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[0] = {
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.regdma_entry_array = rmt_regdma_entries,
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.array_size = ARRAY_SIZE(rmt_regdma_entries)
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},
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};
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