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refactor(mcpwm): refactor gpio mode config in mcpwm

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Deprecate io_loop_back flag. Use capture timer to test generator and
dead time.
This commit is contained in:
Chen Jichang
2024-10-09 15:37:05 +08:00
parent 6a29351bd0
commit cb097aeb54
14 changed files with 442 additions and 120 deletions
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32
components/esp_driver_mcpwm/src/mcpwm_fault.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -22,9 +22,11 @@
#include "soc/soc_caps.h"
#include "soc/mcpwm_periph.h"
#include "hal/mcpwm_ll.h"
#include "hal/gpio_hal.h"
#include "driver/mcpwm_fault.h"
#include "driver/gpio.h"
#include "mcpwm_private.h"
#include "esp_private/gpio.h"
static const char *TAG = "mcpwm";
@@ -112,16 +114,22 @@ esp_err_t mcpwm_new_gpio_fault(const mcpwm_gpio_fault_config_t *config, mcpwm_fa
ESP_GOTO_ON_ERROR(mcpwm_check_intr_priority(group, config->intr_priority), err, TAG, "set group interrupt priority failed");
// GPIO configuration
gpio_config_t gpio_conf = {
.intr_type = GPIO_INTR_DISABLE,
.mode = GPIO_MODE_INPUT | (config->flags.io_loop_back ? GPIO_MODE_OUTPUT : 0), // also enable the output path if `io_loop_back` is enabled
.pin_bit_mask = (1ULL << config->gpio_num),
.pull_down_en = config->flags.pull_down,
.pull_up_en = config->flags.pull_up,
};
ESP_GOTO_ON_ERROR(gpio_config(&gpio_conf), err, TAG, "config fault GPIO failed");
gpio_func_sel(config->gpio_num, PIN_FUNC_GPIO);
gpio_input_enable(config->gpio_num);
esp_rom_gpio_connect_in_signal(config->gpio_num, mcpwm_periph_signals.groups[group_id].gpio_faults[fault_id].fault_sig, 0);
if (config->flags.pull_down) {
gpio_pulldown_en(config->gpio_num);
}
if (config->flags.pull_up) {
gpio_pullup_en(config->gpio_num);
}
// deprecated, to be removed in in esp-idf v6.0
if (config->flags.io_loop_back) {
gpio_ll_output_enable(&GPIO, config->gpio_num);
}
// set fault detection polarity
// different gpio faults share the same config register, using a group level spin lock
portENTER_CRITICAL(&group->spinlock);
@@ -151,10 +159,10 @@ static esp_err_t mcpwm_del_gpio_fault(mcpwm_fault_handle_t fault)
mcpwm_gpio_fault_t *gpio_fault = __containerof(fault, mcpwm_gpio_fault_t, base);
mcpwm_group_t *group = fault->group;
mcpwm_hal_context_t *hal = &group->hal;
int group_id = group->group_id;
int fault_id = gpio_fault->fault_id;
ESP_LOGD(TAG, "del GPIO fault (%d,%d)", group->group_id, fault_id);
gpio_reset_pin(gpio_fault->gpio_num);
portENTER_CRITICAL(&group->spinlock);
mcpwm_ll_intr_enable(hal->dev, MCPWM_LL_EVENT_FAULT_MASK(fault_id), false);
@@ -164,6 +172,10 @@ static esp_err_t mcpwm_del_gpio_fault(mcpwm_fault_handle_t fault)
// disable fault detection
mcpwm_ll_fault_enable_detection(hal->dev, fault_id, false);
// disconnect signal from the GPIO pin
esp_rom_gpio_connect_in_signal(GPIO_MATRIX_CONST_ZERO_INPUT,
mcpwm_periph_signals.groups[group_id].gpio_faults[fault_id].fault_sig, 0);
// recycle memory resource
ESP_RETURN_ON_ERROR(mcpwm_gpio_fault_destroy(gpio_fault), TAG, "destroy GPIO fault failed");
return ESP_OK;