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rfid: harden SPI3 bus init failure path (no abort), add reader-bus diagnostic log

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Rasmus
2026-09-10 17:15:23 +02:00
parent 3072795a4b
commit 993962865b
1 changed files with 12 additions and 2 deletions
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14
main/rfid_manager.c
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@@ -76,12 +76,17 @@ esp_err_t rfid_manager_init(void)
{
/* Dedicated SPI3_HOST (HSPI) bus for the reader - independent controller
* so the display (SPI2_HOST) and the RFID never share bus timing. The
* rc522 driver will call spi_bus_initialize() itself on this host. */
* rc522 driver will call spi_bus_initialize() itself on this host with
* this bus config (MISO=13 is a real pin and is used for reads). */
static spi_bus_config_t rfid_bus_cfg = {
.sclk_io_num = HW_RFID_SCK_GPIO,
.mosi_io_num = HW_RFID_MOSI_GPIO,
.miso_io_num = HW_RFID_MISO_GPIO,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
};
ESP_LOGI(TAG, "initializing MFRC522 on SPI3_HOST (SCK=%d MOSI=%d MISO=%d CS=%d)",
HW_RFID_SCK_GPIO, HW_RFID_MOSI_GPIO, HW_RFID_MISO_GPIO, HW_RC522_CS_GPIO);
rc522_spi_config_t driver_config = {
.host_id = HW_RFID_SPI_HOST,
@@ -102,7 +107,12 @@ esp_err_t rfid_manager_init(void)
ESP_LOGE(TAG, "rc522_spi_create failed: %s", esp_err_to_name(ret));
return ret;
}
ESP_ERROR_CHECK(rc522_driver_install(s_driver));
ret = rc522_driver_install(s_driver);
if (ret != ESP_OK) {
/* Includes the SPI3 bus initialization; never abort boot here. */
ESP_LOGE(TAG, "rc522 driver install (incl. SPI3 bus init) failed: %s", esp_err_to_name(ret));
return ret;
}
rc522_config_t scanner_config = {
.driver = s_driver,