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rmt: check filter and idle threashold

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Closes https://github.com/espressif/esp-idf/issues/11262
This commit is contained in:
morris 2023-04-28 15:01:17 +08:00
parent 4db113a2eb
commit d12ad17373
7 changed files with 22 additions and 4 deletions
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9
components/driver/rmt/rmt_rx.c
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@ -344,6 +344,11 @@ esp_err_t rmt_receive(rmt_channel_handle_t channel, void *buffer, size_t buffer_
rmt_hal_context_t *hal = &group->hal;
int channel_id = channel->channel_id;
uint32_t filter_reg_value = ((uint64_t)group->resolution_hz * config->signal_range_min_ns) / 1000000000UL;
uint32_t idle_reg_value = ((uint64_t)channel->resolution_hz * config->signal_range_max_ns) / 1000000000UL;
ESP_RETURN_ON_FALSE(filter_reg_value <= RMT_LL_MAX_FILTER_VALUE, ESP_ERR_INVALID_ARG, TAG, "signal_range_min_ns too big");
ESP_RETURN_ON_FALSE(idle_reg_value <= RMT_LL_MAX_IDLE_VALUE, ESP_ERR_INVALID_ARG, TAG, "signal_range_max_ns too big");
// fill in the transaction descriptor
rmt_rx_trans_desc_t *t = &rx_chan->trans_desc;
t->buffer = buffer;
@ -365,9 +370,9 @@ esp_err_t rmt_receive(rmt_channel_handle_t channel, void *buffer, size_t buffer_
rmt_ll_rx_reset_pointer(hal->regs, channel_id);
rmt_ll_rx_set_mem_owner(hal->regs, channel_id, RMT_LL_MEM_OWNER_HW);
// set sampling parameters of incoming signals
rmt_ll_rx_set_filter_thres(hal->regs, channel_id, ((uint64_t)group->resolution_hz * config->signal_range_min_ns) / 1000000000UL);
rmt_ll_rx_set_filter_thres(hal->regs, channel_id, filter_reg_value);
rmt_ll_rx_enable_filter(hal->regs, channel_id, config->signal_range_min_ns != 0);
rmt_ll_rx_set_idle_thres(hal->regs, channel_id, ((uint64_t)channel->resolution_hz * config->signal_range_max_ns) / 1000000000UL);
rmt_ll_rx_set_idle_thres(hal->regs, channel_id, idle_reg_value);
// turn on RMT RX machine
rmt_ll_rx_enable(hal->regs, channel_id, true);
portEXIT_CRITICAL(&channel->spinlock);

3
components/hal/esp32/include/hal/rmt_ll.h
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@ -32,6 +32,9 @@ extern "C" {
#define RMT_LL_EVENT_TX_MASK(channel) (RMT_LL_EVENT_TX_DONE(channel) | RMT_LL_EVENT_TX_THRES(channel) | RMT_LL_EVENT_TX_LOOP_END(channel))
#define RMT_LL_EVENT_RX_MASK(channel) (RMT_LL_EVENT_RX_DONE(channel) | RMT_LL_EVENT_RX_THRES(channel))
#define RMT_LL_MAX_FILTER_VALUE 255
#define RMT_LL_MAX_IDLE_VALUE 65535
typedef enum {
RMT_LL_MEM_OWNER_SW = 0,
RMT_LL_MEM_OWNER_HW = 1,

2
components/hal/esp32c3/include/hal/rmt_ll.h
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@ -33,6 +33,8 @@ extern "C" {
#define RMT_LL_EVENT_RX_MASK(channel) (RMT_LL_EVENT_RX_DONE(channel) | RMT_LL_EVENT_RX_THRES(channel))
#define RMT_LL_MAX_LOOP_COUNT_PER_BATCH 1023
#define RMT_LL_MAX_FILTER_VALUE 255
#define RMT_LL_MAX_IDLE_VALUE 32767
typedef enum {
RMT_LL_MEM_OWNER_SW = 0,

4
components/hal/esp32c6/include/hal/rmt_ll.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -34,6 +34,8 @@ extern "C" {
#define RMT_LL_EVENT_RX_MASK(channel) (RMT_LL_EVENT_RX_DONE(channel) | RMT_LL_EVENT_RX_THRES(channel))
#define RMT_LL_MAX_LOOP_COUNT_PER_BATCH 1023
#define RMT_LL_MAX_FILTER_VALUE 255
#define RMT_LL_MAX_IDLE_VALUE 32767
typedef enum {
RMT_LL_MEM_OWNER_SW = 0,

2
components/hal/esp32h2/include/hal/rmt_ll.h
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@ -34,6 +34,8 @@ extern "C" {
#define RMT_LL_EVENT_RX_MASK(channel) (RMT_LL_EVENT_RX_DONE(channel) | RMT_LL_EVENT_RX_THRES(channel))
#define RMT_LL_MAX_LOOP_COUNT_PER_BATCH 1023
#define RMT_LL_MAX_FILTER_VALUE 255
#define RMT_LL_MAX_IDLE_VALUE 32767
typedef enum {
RMT_LL_MEM_OWNER_SW = 0,

2
components/hal/esp32s2/include/hal/rmt_ll.h
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@ -34,6 +34,8 @@ extern "C" {
#define RMT_LL_EVENT_RX_MASK(channel) (RMT_LL_EVENT_RX_DONE(channel) | RMT_LL_EVENT_RX_THRES(channel))
#define RMT_LL_MAX_LOOP_COUNT_PER_BATCH 1023
#define RMT_LL_MAX_FILTER_VALUE 255
#define RMT_LL_MAX_IDLE_VALUE 65535
typedef enum {
RMT_LL_MEM_OWNER_SW = 0,

4
components/hal/esp32s3/include/hal/rmt_ll.h
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -33,6 +33,8 @@ extern "C" {
#define RMT_LL_EVENT_RX_MASK(channel) (RMT_LL_EVENT_RX_DONE(channel) | RMT_LL_EVENT_RX_THRES(channel))
#define RMT_LL_MAX_LOOP_COUNT_PER_BATCH 1023
#define RMT_LL_MAX_FILTER_VALUE 255
#define RMT_LL_MAX_IDLE_VALUE 32767
typedef enum {
RMT_LL_MEM_OWNER_SW = 0,