0b90fd5adf
As both C and C++ standards require applications running under an OS to
return 'int', adapt that for Zephyr to align with those standard. This also
eliminates errors when building with clang when not using -ffreestanding,
and reduces the need for compiler flags to silence warnings for both clang
and gcc.
Most of these changes were automated using coccinelle with the following
script:
@@
@@
- void
+ int
main(...) {
...
- return;
+ return 0;
...
}
Approximately 40 files had to be edited by hand as coccinelle was unable to
fix them.
Signed-off-by: Keith Packard <keithp@keithp.com>
68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
/*
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* Copyright (c) 2016 Firmwave
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/device.h>
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#include <zephyr/drivers/sensor.h>
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#include <zephyr/sys/printk.h>
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#include <zephyr/sys/__assert.h>
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static void do_main(const struct device *dev)
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{
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int ret;
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struct sensor_value temp_value;
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struct sensor_value attr;
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attr.val1 = 150;
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attr.val2 = 0;
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ret = sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP,
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SENSOR_ATTR_FULL_SCALE, &attr);
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if (ret) {
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printk("sensor_attr_set failed ret %d\n", ret);
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return;
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}
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attr.val1 = 8;
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attr.val2 = 0;
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ret = sensor_attr_set(dev, SENSOR_CHAN_AMBIENT_TEMP,
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SENSOR_ATTR_SAMPLING_FREQUENCY, &attr);
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if (ret) {
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printk("sensor_attr_set failed ret %d\n", ret);
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return;
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}
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while (1) {
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ret = sensor_sample_fetch(dev);
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if (ret) {
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printk("sensor_sample_fetch failed ret %d\n", ret);
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return;
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}
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ret = sensor_channel_get(dev, SENSOR_CHAN_AMBIENT_TEMP, &temp_value);
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if (ret) {
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printk("sensor_channel_get failed ret %d\n", ret);
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return;
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}
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printk("temp is %d (%d micro)\n", temp_value.val1,
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temp_value.val2);
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k_sleep(K_MSEC(1000));
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}
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}
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int main(void)
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{
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const struct device *const dev = DEVICE_DT_GET_ANY(ti_tmp112);
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__ASSERT(dev != NULL, "Failed to get device binding");
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__ASSERT(device_is_ready(dev), "Device %s is not ready", dev->name);
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printk("device is %p, name is %s\n", dev, dev->name);
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do_main(dev);
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return 0;
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}
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