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tests: drivers: add more test cases to the i2c_bme688 test suite

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Test NACK handling, bus recovery and FAST speed read.
Signed-off-by: Bartosz Miller <bartosz.miller@nordicsemi.no>
This commit is contained in:
Bartosz Miller 2024-06-24 08:43:54 +02:00 • committed by Anas Nashif
commit 0d59c1a780
1 changed files with 38 additions and 5 deletions
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43
tests/drivers/i2c/i2c_bme688/src/main.c
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@ -9,9 +9,9 @@
#include <zephyr/ztest.h>
#include "sensor.h"
#define SENSOR_NODE DT_COMPAT_GET_ANY_STATUS_OKAY(bosch_bme680)
#define I2C_TEST_NODE DT_PARENT(SENSOR_NODE)
#define DEVICE_ADDRESS (uint8_t)DT_REG_ADDR(SENSOR_NODE)
#define SENSOR_NODE DT_COMPAT_GET_ANY_STATUS_OKAY(bosch_bme680)
#define I2C_TEST_NODE DT_PARENT(SENSOR_NODE)
#define DEVICE_ADDRESS (uint8_t) DT_REG_ADDR(SENSOR_NODE)
static const struct device *const i2c_device = DEVICE_DT_GET(I2C_TEST_NODE);
static struct calibration_coeffs cal_coeffs;
@ -73,7 +73,7 @@ static void set_sensor_iir_filter(void)
/* Read calibration coefficients for temperature, humifity and pressure */
static void read_calibration_coeffs(struct calibration_coeffs *coeffs)
{
uint8_t register_data[MAX_BURST_READ_SIZE] = { 0 };
uint8_t register_data[MAX_BURST_READ_SIZE] = {0};
/* Humidity */
TC_PRINT("Reading humidity calibration coefficients\n");
@ -201,15 +201,48 @@ static uint16_t read_adc_humidity(void)
ZTEST(i2c_controller_to_sensor, test_i2c_basic_memory_read)
{
int err;
uint8_t entire_sensor_memory[SENSOR_MEMORY_SIZE_IN_BYTES] = { 0 };
uint32_t i2c_config = I2C_SPEED_SET(I2C_SPEED_FAST) | I2C_MODE_CONTROLLER;
uint8_t entire_sensor_memory[SENSOR_MEMORY_SIZE_IN_BYTES] = {0};
TC_PRINT("Device address 0x%x\n", DEVICE_ADDRESS);
err = i2c_configure(i2c_device, i2c_config);
zassert_equal(err, 0, "i2c_configure' failed with error: %d\n", err);
err = i2c_read(i2c_device, entire_sensor_memory, SENSOR_MEMORY_SIZE_IN_BYTES,
DEVICE_ADDRESS);
zassert_equal(err, 0, "i2c_read' failed with error: %d\n", err);
}
ZTEST(i2c_controller_to_sensor, test_i2c_nack_handling)
{
int err;
uint8_t test_data;
TC_PRINT("Device address 0x%x\n", DEVICE_ADDRESS);
err = i2c_read(i2c_device, &test_data, 1, DEVICE_ADDRESS + 1);
zassert_equal(err, -EIO, "Invalid device address not detected, err: %d\n", err);
err = i2c_reg_read_byte(i2c_device, DEVICE_ADDRESS, CHIP_ID_REGISTER_ADDRESS, &test_data);
zassert_equal(err, 0, "Failed to read device register after previous address NACK: %d\n",
err);
}
ZTEST(i2c_controller_to_sensor, test_i2c_bus_recovery)
{
int err;
uint8_t test_data;
TC_PRINT("Device address 0x%x\n", DEVICE_ADDRESS);
err = i2c_recover_bus(i2c_device);
zassert_equal(err, 0, "'i2c_recover_bus' failed with error: %d\n", err);
err = i2c_reg_read_byte(i2c_device, DEVICE_ADDRESS, CHIP_ID_REGISTER_ADDRESS, &test_data);
zassert_equal(err, 0, "Failed to read device register after bus recovery: %d\n", err);
}
ZTEST(i2c_controller_to_sensor, test_i2c_controlled_sensor_operation)
{
int err;