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tests: add zephyr i2c driver api test

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the commit verify below i2c apis by sensor
GY271 or HMC58831
    i2c_configure()
    i2c_write()
    i2c_read()
    i2c_burst_write()
    i2c_burst_read()

Change-Id: I072a9897a45636613e811baa7ff79b57206e4130
Signed-off-by: jing wang <jing.j.wang@intel.com>
This commit is contained in:
jing wang 2017-01-10 15:01:43 +08:00 • committed by Anas Nashif
commit 61e5438c51
6 changed files with 238 additions and 0 deletions
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4
tests/drivers/i2c/i2c_api/Makefile Normal file
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BOARD ?= quark_se_c1000_devboard
CONF_FILE = prj.conf
include ${ZEPHYR_BASE}/Makefile.inc

2
tests/drivers/i2c/i2c_api/prj.conf Normal file
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CONFIG_I2C=y
CONFIG_ZTEST=y

3
tests/drivers/i2c/i2c_api/src/Makefile Normal file
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include $(ZEPHYR_BASE)/tests/Makefile.test
obj-y += test_i2c.o main.o

68
tests/drivers/i2c/i2c_api/src/main.c Normal file
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/*
* Copyright (c) 2016 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @addtogroup t_driver_i2c
* @{
* @defgroup t_i2c_basic test_i2c_basic_operations
* @}
*
* Setup: Connect Sensor GY271 to I2C_0 on X86 and I2C_SS_0 on ARC
*
* quark_se_c1000_devboard - x86
* ----------------------
*
* 1. GY271_SCL - I2C0_SCL
* 2. GY271_SDA - I2C0_SDA
*
* quark_se_c1000_ss_devboard - arc
* ----------------------
*
* 1. GY271_SCL - I2C0_SS_SCL
* 2. GY271_SDA - I2C0_SS_SDA
*
* quark_d2000 - x86
* ----------------------
*
* 1. GY271_SCL - I2C_SCL
* 2. GY271_SDA - I2C_SDA
*
* arduino_101 - x86
* ----------------------
*
* 1. GY271_SCL - I2C0_SCL
* 2. GY271_SDA - I2C0_SDA
*
* arduino_101_ss - arc
* ----------------------
*
* 1. GY271_SCL - I2C0_SS_SCL
* 2. GY271_SDA - I2C0_SS_SDA
*/
#include <zephyr.h>
#include <ztest.h>
extern void test_i2c_gy271(void);
extern void test_i2c_burst_gy271(void);
void test_main(void)
{
ztest_test_suite(i2c_test,
ztest_unit_test(test_i2c_gy271),
ztest_unit_test(test_i2c_burst_gy271));
ztest_run_test_suite(i2c_test);
}

152
tests/drivers/i2c/i2c_api/src/test_i2c.c Normal file
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/*
* Copyright (c) 2016 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @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
static union dev_config i2c_cfg = {
.raw = 0,
.bits = {
.use_10_bit_addr = 0,
.is_master_device = 1,
.speed = I2C_SPEED_STANDARD,
.is_slave_read = 0,
},
};
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.raw)) {
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.raw)) {
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)
{
assert_true(test_gy271() == TC_PASS, NULL);
}
void test_i2c_burst_gy271(void)
{
assert_true(test_burst_gy271() == TC_PASS, NULL);
}

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tests/drivers/i2c/i2c_api/testcase.ini Normal file
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[test_i2c_x86]
tags = drivers
arch_whitelist = x86
platform_whitelist = quark_se_c1000_devboard arduino_101 quark_d2000_crb
[test_i2c_arc]
tags = drivers
arch_whitelist = arc
platform_whitelist = quark_se_c1000_devboard arduino_101