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feat(spi_lcd): move callback function to iram

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Closes https://github.com/espressif/esp-idf/issues/15160
This commit is contained in:
Chen Jichang 2025-01-13 20:00:37 +08:00
parent 52b558d218
commit 79b3b30828
1 changed files with 5 additions and 3 deletions
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8
components/esp_lcd/spi/esp_lcd_panel_io_spi.c
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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -17,6 +17,7 @@
#include "esp_lcd_panel_io.h"
#include "driver/spi_master.h"
#include "driver/gpio.h"
#include "hal/gpio_ll.h"
#include "esp_log.h"
#include "esp_check.h"
#include "esp_lcd_common.h"
@ -404,12 +405,13 @@ err:
return ret;
}
static void lcd_spi_pre_trans_cb(spi_transaction_t *trans)
IRAM_ATTR static void lcd_spi_pre_trans_cb(spi_transaction_t *trans)
{
esp_lcd_panel_io_spi_t *spi_panel_io = trans->user;
lcd_spi_trans_descriptor_t *lcd_trans = __containerof(trans, lcd_spi_trans_descriptor_t, base);
if (spi_panel_io->dc_gpio_num >= 0) { // set D/C line level if necessary
gpio_set_level(spi_panel_io->dc_gpio_num, lcd_trans->flags.dc_gpio_level);
// use ll function to speed up
gpio_ll_set_level(&GPIO, spi_panel_io->dc_gpio_num, lcd_trans->flags.dc_gpio_level);
}
}