| /* |
| * Copyright (c) 2016 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| /* |
| * @addtogroup t_i2c_basic |
| * @{ |
| * @defgroup t_i2c_read_write test_i2c_read_write |
| * @brief TestPurpose: verify I2C master can read and write |
| * @} |
| */ |
| |
| #include <zephyr/drivers/i2c.h> |
| #include <zephyr/kernel.h> |
| #include <zephyr/ztest.h> |
| |
| #if DT_NODE_HAS_STATUS(DT_ALIAS(i2c_0), okay) |
| #define I2C_DEV_NODE DT_ALIAS(i2c_0) |
| #elif DT_NODE_HAS_STATUS(DT_ALIAS(i2c_1), okay) |
| #define I2C_DEV_NODE DT_ALIAS(i2c_1) |
| #elif DT_NODE_HAS_STATUS(DT_ALIAS(i2c_2), okay) |
| #define I2C_DEV_NODE DT_ALIAS(i2c_2) |
| #else |
| #error "Please set the correct I2C device" |
| #endif |
| |
| uint32_t i2c_cfg = I2C_SPEED_SET(I2C_SPEED_STANDARD) | I2C_MODE_CONTROLLER; |
| |
| static int test_gy271(void) |
| { |
| unsigned char datas[6]; |
| const struct device *const i2c_dev = DEVICE_DT_GET(I2C_DEV_NODE); |
| uint32_t i2c_cfg_tmp; |
| |
| if (!device_is_ready(i2c_dev)) { |
| TC_PRINT("I2C device is not ready\n"); |
| return TC_FAIL; |
| } |
| |
| /* 1. Verify i2c_configure() */ |
| if (i2c_configure(i2c_dev, i2c_cfg)) { |
| TC_PRINT("I2C config failed\n"); |
| return TC_FAIL; |
| } |
| |
| /* 2. Verify i2c_get_config() */ |
| if (i2c_get_config(i2c_dev, &i2c_cfg_tmp)) { |
| TC_PRINT("I2C get_config failed\n"); |
| return TC_FAIL; |
| } |
| if (i2c_cfg != i2c_cfg_tmp) { |
| TC_PRINT("I2C get_config returned invalid config\n"); |
| return TC_FAIL; |
| } |
| |
| datas[0] = 0x01; |
| datas[1] = 0x20; |
| |
| /* 3. verify i2c_write() */ |
| if (i2c_write(i2c_dev, datas, 2, 0x1E)) { |
| TC_PRINT("Fail to configure sensor GY271\n"); |
| return TC_FAIL; |
| } |
| |
| datas[0] = 0x02; |
| datas[1] = 0x00; |
| if (i2c_write(i2c_dev, datas, 2, 0x1E)) { |
| TC_PRINT("Fail to configure sensor GY271\n"); |
| return TC_FAIL; |
| } |
| |
| k_sleep(K_MSEC(1)); |
| |
| datas[0] = 0x03; |
| if (i2c_write(i2c_dev, datas, 1, 0x1E)) { |
| TC_PRINT("Fail to write to sensor GY271\n"); |
| return TC_FAIL; |
| } |
| |
| (void)memset(datas, 0, sizeof(datas)); |
| |
| /* 4. verify i2c_read() */ |
| if (i2c_read(i2c_dev, datas, 6, 0x1E)) { |
| TC_PRINT("Fail to fetch sample from sensor GY271\n"); |
| return TC_FAIL; |
| } |
| |
| TC_PRINT("axis raw data: %d %d %d %d %d %d\n", |
| datas[0], datas[1], datas[2], |
| datas[3], datas[4], datas[5]); |
| |
| return TC_PASS; |
| } |
| |
| static int test_burst_gy271(void) |
| { |
| unsigned char datas[6]; |
| const struct device *const i2c_dev = DEVICE_DT_GET(I2C_DEV_NODE); |
| uint32_t i2c_cfg_tmp; |
| |
| if (!device_is_ready(i2c_dev)) { |
| TC_PRINT("I2C device is not ready\n"); |
| return TC_FAIL; |
| } |
| |
| /* 1. verify i2c_configure() */ |
| if (i2c_configure(i2c_dev, i2c_cfg)) { |
| TC_PRINT("I2C config failed\n"); |
| return TC_FAIL; |
| } |
| |
| /* 2. Verify i2c_get_config() */ |
| if (i2c_get_config(i2c_dev, &i2c_cfg_tmp)) { |
| TC_PRINT("I2C get_config failed\n"); |
| return TC_FAIL; |
| } |
| if (i2c_cfg != i2c_cfg_tmp) { |
| TC_PRINT("I2C get_config returned invalid config\n"); |
| return TC_FAIL; |
| } |
| |
| datas[0] = 0x01; |
| datas[1] = 0x20; |
| datas[2] = 0x02; |
| datas[3] = 0x00; |
| |
| /* 3. verify i2c_burst_write() */ |
| if (i2c_burst_write(i2c_dev, 0x1E, 0x00, datas, 4)) { |
| TC_PRINT("Fail to write to sensor GY271\n"); |
| return TC_FAIL; |
| } |
| |
| k_sleep(K_MSEC(1)); |
| |
| (void)memset(datas, 0, sizeof(datas)); |
| |
| /* 4. verify i2c_burst_read() */ |
| if (i2c_burst_read(i2c_dev, 0x1E, 0x03, datas, 6)) { |
| TC_PRINT("Fail to fetch sample from sensor GY271\n"); |
| return TC_FAIL; |
| } |
| |
| TC_PRINT("axis raw data: %d %d %d %d %d %d\n", |
| datas[0], datas[1], datas[2], |
| datas[3], datas[4], datas[5]); |
| |
| return TC_PASS; |
| } |
| |
| ZTEST(i2c_gy271, test_i2c_gy271) |
| { |
| zassert_true(test_gy271() == TC_PASS); |
| } |
| |
| ZTEST(i2c_gy271, test_i2c_burst_gy271) |
| { |
| zassert_true(test_burst_gy271() == TC_PASS); |
| } |
| |
| ZTEST_SUITE(i2c_gy271, NULL, NULL, NULL, NULL, NULL); |