diff --git a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/CMakeLists.txt b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/CMakeLists.txt index c49b446df4..2f653da9ae 100644 --- a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/CMakeLists.txt +++ b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/CMakeLists.txt @@ -21,6 +21,10 @@ if(CONFIG_SOC_I2C_SUPPORT_10BIT_ADDR AND CONFIG_SOC_I2C_SUPPORT_SLAVE) list(APPEND srcs "test_i2c_10bit.c") endif() +if(CONFIG_SOC_LP_I2C_SUPPORTED) + list(APPEND srcs "test_lp_i2c.c") +endif() + # Only build this file with `CONFIG_PM_POWER_DOWN_CPU_IN_LIGHT_SLEEP` and `CONFIG_IEEE802154_ENABLED` enabled # Enable `CONFIG_IEEE802154_ENABLED` is for modem domain really power down. # This reliable can be removed if the sleep retention got finished. diff --git a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_board.h b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_board.h index e420180d5a..4a48f624f4 100644 --- a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_board.h +++ b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_board.h @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -25,6 +25,11 @@ extern "C" { #define I2C_MASTER_SDA_IO 2 /*!< gpio number for I2C master data */ #endif +#if SOC_LP_I2C_SUPPORTED +#define LP_I2C_SCL_IO 7 +#define LP_I2C_SDA_IO 6 +#endif + #define ESP_SLAVE_ADDR 0x28 /*!< ESP_I2C slave address, you can set any 7bit value */ #define TEST_I2C_PORT 0 #define DATA_LENGTH 100 diff --git a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_common.c b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_common.c index 843f8de715..d9991248bd 100644 --- a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_common.c +++ b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_common.c @@ -55,7 +55,7 @@ TEST_CASE("I2C bus install-uninstall test", "[i2c]") }; i2c_master_bus_handle_t i2c_mst_handle1; -#if SOC_I2C_NUM > 1 +#if SOC_HP_I2C_NUM > 1 i2c_master_bus_config_t i2c_mst_config_2 = { .clk_source = I2C_CLK_SRC_DEFAULT, .i2c_port = 1, @@ -68,7 +68,7 @@ TEST_CASE("I2C bus install-uninstall test", "[i2c]") // Install master bus 0 ESP_LOGI(TAG, "Initialize bus0"); TEST_ESP_OK(i2c_new_master_bus(&i2c_mst_config_1, &i2c_mst_handle1)); -#if SOC_I2C_NUM > 1 +#if SOC_HP_I2C_NUM > 1 // Install master bus 1 ESP_LOGI(TAG, "Initialize bus1"); TEST_ESP_OK(i2c_new_master_bus(&i2c_mst_config_2, &i2c_mst_handle2)); @@ -78,7 +78,7 @@ TEST_CASE("I2C bus install-uninstall test", "[i2c]") TEST_ESP_ERR(ESP_ERR_INVALID_STATE, i2c_new_master_bus(&i2c_mst_config_1, &i2c_mst_handle1)); ESP_LOGI(TAG, "Delete bus0"); TEST_ESP_OK(i2c_del_master_bus(i2c_mst_handle1)); -#if SOC_I2C_NUM > 1 +#if SOC_HP_I2C_NUM > 1 ESP_LOGI(TAG, "Delete bus1"); TEST_ESP_OK(i2c_del_master_bus(i2c_mst_handle2)); #endif diff --git a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_multi.c b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_multi.c index 13004ef1ef..652bd53793 100644 --- a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_multi.c +++ b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_i2c_multi.c @@ -613,7 +613,7 @@ static void slave_init_for_probe(void) TEST_CASE_MULTIPLE_DEVICES("I2C master probe slave test", "[i2c][test_env=generic_multi_device][timeout=150]", master_probe_slave, slave_init_for_probe); -#if SOC_I2C_NUM > 1 +#if SOC_HP_I2C_NUM > 1 // Now chips with multiple I2C controllers are up to 2, can test more ports when we have more I2C controllers. static void i2c_master_write_test_more_port(void) { diff --git a/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_lp_i2c.c b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_lp_i2c.c new file mode 100644 index 0000000000..c9701e41b7 --- /dev/null +++ b/components/esp_driver_i2c/test_apps/i2c_test_apps/main/test_lp_i2c.c @@ -0,0 +1,154 @@ +/* + * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Unlicense OR CC0-1.0 + */ + +#include +#include +#include "sdkconfig.h" +#include "unity.h" +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/queue.h" +#include "esp_err.h" +#include "soc/gpio_periph.h" +#include "soc/clk_tree_defs.h" +#include "soc/soc_caps.h" +#include "hal/gpio_hal.h" +#include "hal/uart_ll.h" +#include "esp_private/periph_ctrl.h" +#include "driver/gpio.h" +#include "driver/i2c_master.h" +#include "driver/i2c_slave.h" +#include "esp_rom_gpio.h" +#include "esp_log.h" +#include "test_utils.h" +#include "test_board.h" + +#define DATA_LENGTH 100 + +static QueueHandle_t s_receive_queue; + +TEST_CASE("LP I2C initialize on i2c slave", "[i2c]") +{ + i2c_slave_config_t i2c_slv_config = { + .addr_bit_len = I2C_ADDR_BIT_LEN_7, + .clk_source = LP_I2C_SCLK_DEFAULT, + .i2c_port = LP_I2C_NUM_0, + .send_buf_depth = 256, + .scl_io_num = LP_I2C_SCL_IO, + .sda_io_num = LP_I2C_SDA_IO, + .slave_addr = 0x58, + }; + + i2c_slave_dev_handle_t slave_handle; + TEST_ESP_ERR(ESP_ERR_NOT_SUPPORTED, i2c_new_slave_device(&i2c_slv_config, &slave_handle)); +} + +#if CONFIG_IDF_TARGET_ESP32C6 + +TEST_CASE("LP I2C initialize with wrong IO", "[i2c]") +{ + i2c_master_bus_config_t i2c_mst_config = { + .lp_source_clk = LP_I2C_SCLK_DEFAULT, + .i2c_port = LP_I2C_NUM_0, + .scl_io_num = 5, + .sda_io_num = 6, + .flags.enable_internal_pullup = true, + }; + i2c_master_bus_handle_t bus_handle; + + TEST_ESP_ERR(ESP_ERR_INVALID_ARG, i2c_new_master_bus(&i2c_mst_config, &bus_handle)); +} + +#endif + +static IRAM_ATTR bool test_i2c_rx_done_callback(i2c_slave_dev_handle_t channel, const i2c_slave_rx_done_event_data_t *edata, void *user_data) +{ + BaseType_t high_task_wakeup = pdFALSE; + QueueHandle_t receive_queue = (QueueHandle_t)user_data; + xQueueSendFromISR(receive_queue, edata, &high_task_wakeup); + return high_task_wakeup == pdTRUE; +} + +static void lp_i2c_master_write_test(void) +{ + uint8_t data_wr[DATA_LENGTH] = { 0 }; + int i; + + i2c_master_bus_config_t i2c_mst_config = { + .lp_source_clk = LP_I2C_SCLK_DEFAULT, + .i2c_port = LP_I2C_NUM_0, + .scl_io_num = LP_I2C_SCL_IO, + .sda_io_num = LP_I2C_SDA_IO, + .flags.enable_internal_pullup = true, + }; + i2c_master_bus_handle_t bus_handle; + + TEST_ESP_OK(i2c_new_master_bus(&i2c_mst_config, &bus_handle)); + + i2c_device_config_t dev_cfg = { + .dev_addr_length = I2C_ADDR_BIT_LEN_7, + .device_address = 0x58, + .scl_speed_hz = 100000, + }; + + i2c_master_dev_handle_t dev_handle; + TEST_ESP_OK(i2c_master_bus_add_device(bus_handle, &dev_cfg, &dev_handle)); + + unity_wait_for_signal("i2c slave init finish"); + + unity_send_signal("master write"); + for (i = 0; i < DATA_LENGTH; i++) { + data_wr[i] = i; + } + + disp_buf(data_wr, i); + TEST_ESP_OK(i2c_master_transmit(dev_handle, data_wr, DATA_LENGTH, -1)); + unity_wait_for_signal("ready to delete"); + TEST_ESP_OK(i2c_master_bus_rm_device(dev_handle)); + + TEST_ESP_OK(i2c_del_master_bus(bus_handle)); +} + +static void hp_i2c_slave_read_test(void) +{ + uint8_t data_rd[DATA_LENGTH] = {0}; + + i2c_slave_config_t i2c_slv_config = { + .addr_bit_len = I2C_ADDR_BIT_LEN_7, + .clk_source = I2C_CLK_SRC_DEFAULT, + .i2c_port = TEST_I2C_PORT, + .send_buf_depth = 256, + .scl_io_num = LP_I2C_SCL_IO, + .sda_io_num = LP_I2C_SDA_IO, + .slave_addr = 0x58, + }; + + i2c_slave_dev_handle_t slave_handle; + TEST_ESP_OK(i2c_new_slave_device(&i2c_slv_config, &slave_handle)); + + s_receive_queue = xQueueCreate(1, sizeof(i2c_slave_rx_done_event_data_t)); + i2c_slave_event_callbacks_t cbs = { + .on_recv_done = test_i2c_rx_done_callback, + }; + ESP_ERROR_CHECK(i2c_slave_register_event_callbacks(slave_handle, &cbs, s_receive_queue)); + + i2c_slave_rx_done_event_data_t rx_data; + TEST_ESP_OK(i2c_slave_receive(slave_handle, data_rd, DATA_LENGTH)); + + unity_send_signal("i2c slave init finish"); + + unity_wait_for_signal("master write"); + xQueueReceive(s_receive_queue, &rx_data, pdMS_TO_TICKS(10000)); + disp_buf(data_rd, DATA_LENGTH); + for (int i = 0; i < DATA_LENGTH; i++) { + TEST_ASSERT(data_rd[i] == i); + } + vQueueDelete(s_receive_queue); + unity_send_signal("ready to delete"); + TEST_ESP_OK(i2c_del_slave_device(slave_handle)); +} + +TEST_CASE_MULTIPLE_DEVICES("LP_I2C master write slave test", "[i2c][test_env=generic_multi_device][timeout=150]", lp_i2c_master_write_test, hp_i2c_slave_read_test);