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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 | /* * 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 <i2c.h> #include <zephyr.h> #include <ztest.h> #ifdef CONFIG_ARC #define I2C_DEV_NAME CONFIG_I2C_SS_0_NAME #else #define I2C_DEV_NAME CONFIG_I2C_0_NAME #endif u32_t i2c_cfg = I2C_SPEED_SET(I2C_SPEED_STANDARD) | I2C_MODE_MASTER; static int test_gy271(void) { unsigned char datas[6]; struct device *i2c_dev = device_get_binding(I2C_DEV_NAME); if (!i2c_dev) { TC_PRINT("Cannot get I2C device\n"); return TC_FAIL; } /* 1. Verify i2c_configure() */ if (i2c_configure(i2c_dev, i2c_cfg)) { TC_PRINT("I2C config failed\n"); return TC_FAIL; } datas[0] = 0x01; datas[1] = 0x20; /* 2. 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(1); datas[0] = 0x03; if (i2c_write(i2c_dev, datas, 1, 0x1E)) { TC_PRINT("Fail to write to sensor GY271\n"); return TC_FAIL; } memset(datas, 0, sizeof(datas)); /* 3. 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]; struct device *i2c_dev = device_get_binding(I2C_DEV_NAME); if (!i2c_dev) { TC_PRINT("Cannot get I2C device\n"); return TC_FAIL; } /* 1. verify i2c_configure() */ if (i2c_configure(i2c_dev, i2c_cfg)) { TC_PRINT("I2C config failed\n"); return TC_FAIL; } datas[0] = 0x01; datas[1] = 0x20; datas[2] = 0x02; datas[3] = 0x00; /* 2. 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(1); memset(datas, 0, sizeof(datas)); /* 3. 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; } void test_i2c_gy271(void) { zassert_true(test_gy271() == TC_PASS, NULL); } void test_i2c_burst_gy271(void) { zassert_true(test_burst_gy271() == TC_PASS, NULL); } |