RIOT-OS/RIOT
RIOT-OS/RIOT
1
0
Fork 0
mirror of https://github.com/RIOT-OS/RIOT.git synced 2024-12-29 04:50:03 +01:00
Code Releases Activity

drivers/shtcx: releases I2C-line properly

Browse Source
This commit is contained in:
Jan Mohr 2022-07-20 17:37:33 +02:00
parent c3e5415a5e
commit 5e69d22840
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/shtcx/shtcx.c
View File

@ -62,6 +62,7 @@ int8_t shtcx_read(const shtcx_t *dev, uint16_t *rel_humidity,
i2c_acquire(dev->params.i2c_dev);
if (i2c_write_bytes(dev->params.i2c_dev, dev->params.i2c_addr, cmd, 2, 0)) {
i2c_release(dev->params.i2c_dev);
return SHTCX_ERROR_BUS;
}
/* Receive the measurement */
@ -72,6 +73,7 @@ int8_t shtcx_read(const shtcx_t *dev, uint16_t *rel_humidity,
*/
if (i2c_read_bytes(dev->params.i2c_dev, dev->params.i2c_addr, received, 6,
0)) {
i2c_release(dev->params.i2c_dev);
return SHTCX_ERROR_BUS;
}
i2c_release(dev->params.i2c_dev);
@ -107,10 +109,12 @@ int8_t shtcx_id(const shtcx_t *dev, uint16_t *id)
i2c_acquire(dev->params.i2c_dev);
if (i2c_write_bytes(dev->params.i2c_dev, dev->params.i2c_addr, data, 2,
0)) {
i2c_release(dev->params.i2c_dev);
return SHTCX_ERROR_BUS;
}
/* receive ID and check if the send and receive commands were successful */
if (i2c_read_bytes(dev->params.i2c_dev, dev->params.i2c_addr, data, 2, 0)) {
i2c_release(dev->params.i2c_dev);
return SHTCX_ERROR_BUS;
}
i2c_release(dev->params.i2c_dev);
@ -128,6 +132,7 @@ int8_t shtcx_reset(const shtcx_t *const dev)
i2c_acquire(dev->params.i2c_dev);
if (i2c_write_bytes(dev->params.i2c_dev, dev->params.i2c_addr, data, 2,
0)) {
i2c_release(dev->params.i2c_dev);
return SHTCX_ERROR_BUS;
}
i2c_release(dev->params.i2c_dev);