Is there a working example with using gpio_dt_spec for accessing gpios?
I used the code provided from https://docs.zephyrproject.org/latest/reference/peripherals/gpio.html#c.GPIO_DT_SPEC_GET_BY_IDX
But it can not resolve the macros for the Devicetree.
In file included from /home/rico/projects/mst/firmware-ncs/zephyr/include/toolchain/gcc.h:66, from /home/rico/projects/mst/firmware-ncs/zephyr/include/toolchain.h:50, from /home/rico/projects/mst/firmware-ncs/zephyr/include/kernel_includes.h:19, from /home/rico/projects/mst/firmware-ncs/zephyr/include/kernel.h:17, from /home/rico/projects/mst/firmware-ncs/zephyr/include/zephyr.h:18, from /home/rico/projects/mst/firmware-ncs/application/src/main.c:7:/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:81:39: error: '__device_dts_ord_DT_N_S_node_P_foo_gpios_IDX_1_PH_ORD' undeclared here (not in a function) 81 | #define DEVICE_NAME_GET(name) _CONCAT(__device_, name) | ^~~~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/toolchain/common.h:124:26: note: in definition of macro '_DO_CONCAT' 124 | #define _DO_CONCAT(x, y) x ## y | ^/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:81:31: note: in expansion of macro '_CONCAT' 81 | #define DEVICE_NAME_GET(name) _CONCAT(__device_, name) | ^~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:233:37: note: in expansion of macro 'DEVICE_NAME_GET' 233 | #define DEVICE_DT_NAME_GET(node_id) DEVICE_NAME_GET(Z_DEVICE_DT_DEV_NAME(node_id)) | ^~~~~~~~~~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:247:34: note: in expansion of macro 'DEVICE_DT_NAME_GET' 247 | #define DEVICE_DT_GET(node_id) (&DEVICE_DT_NAME_GET(node_id)) | ^~~~~~~~~~~~~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/drivers/gpio.h:363:11: note: in expansion of macro 'DEVICE_DT_GET' 363 | .port = DEVICE_DT_GET(DT_GPIO_CTLR_BY_IDX(node_id, prop, idx)),\ | ^~~~~~~~~~~~~/home/rico/projects/mst/firmware-ncs/application/src/main.c:37:35: note: in expansion of macro 'GPIO_DT_SPEC_GET_BY_IDX' 37 | const struct gpio_dt_spec spec = GPIO_DT_SPEC_GET_BY_IDX(DT_NODELABEL(n), |
In file included from /home/rico/projects/mst/firmware-ncs/zephyr/include/toolchain/gcc.h:66, from /home/rico/projects/mst/firmware-ncs/zephyr/include/toolchain.h:50, from /home/rico/projects/mst/firmware-ncs/zephyr/include/kernel_includes.h:19, from /home/rico/projects/mst/firmware-ncs/zephyr/include/kernel.h:17, from /home/rico/projects/mst/firmware-ncs/zephyr/include/zephyr.h:18, from /home/rico/projects/mst/firmware-ncs/application/src/main.c:7:/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:81:39: error: '__device_dts_ord_DT_N_S_node_P_foo_gpios_IDX_1_PH_ORD' undeclared here (not in a function) 81 | #define DEVICE_NAME_GET(name) _CONCAT(__device_, name) | ^~~~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/toolchain/common.h:124:26: note: in definition of macro '_DO_CONCAT' 124 | #define _DO_CONCAT(x, y) x ## y | ^/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:81:31: note: in expansion of macro '_CONCAT' 81 | #define DEVICE_NAME_GET(name) _CONCAT(__device_, name) | ^~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:233:37: note: in expansion of macro 'DEVICE_NAME_GET' 233 | #define DEVICE_DT_NAME_GET(node_id) DEVICE_NAME_GET(Z_DEVICE_DT_DEV_NAME(node_id)) | ^~~~~~~~~~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/device.h:247:34: note: in expansion of macro 'DEVICE_DT_NAME_GET' 247 | #define DEVICE_DT_GET(node_id) (&DEVICE_DT_NAME_GET(node_id)) | ^~~~~~~~~~~~~~~~~~/home/rico/projects/mst/firmware-ncs/zephyr/include/drivers/gpio.h:363:11: note: in expansion of macro 'DEVICE_DT_GET' 363 | .port = DEVICE_DT_GET(DT_GPIO_CTLR_BY_IDX(node_id, prop, idx)),\ | ^~~~~~~~~~~~~/home/rico/projects/mst/firmware-ncs/application/src/main.c:37:35: note: in expansion of macro 'GPIO_DT_SPEC_GET_BY_IDX' 37 | const struct gpio_dt_spec spec = GPIO_DT_SPEC_GET_BY_IDX(DT_NODELABEL(n), |
Hi,
The usage of the gpio_dt_spec can be seen in various examples, like the button sample as mentioned in this ticket. You could also refer here.
Regards,
Priyanka
