Difference between revisions of "Current debugging"
From Wiki at Neela Nurseries
m (Add new section for current debugging device tree source notes, Undocumented DTS) |
m (Examples from Zephyr 3.2.0 of device structure pointer assignments) |
||
| Line 17: | Line 17: | ||
- FIFO control reg holds 0x4f | - FIFO control reg holds 0x4f | ||
- updating this value to set watermark at 16 data entries . . . | - updating this value to set watermark at 16 data entries . . . | ||
| − | - write_register() returns status of 0, | + | - write_register() returns status of 0,./tests/subsys/pm/device_power_domains/src/main.c:14: const struct device *const reg_0 = DEVICE_DT_GET(DT_NODELABEL(test_reg_0)); |
| + | ./tests/subsys/pm/device_power_domains/src/main.c:15: const struct device *const reg_1 = DEVICE_DT_GET(DT_NODELABEL(test_reg_1)); | ||
| + | ./tests/subsys/pm/device_power_domains/src/main.c:16: const struct device *const reg_chained = DEVICE_DT_GET(DT_NODELABEL(test_reg_chained)); | ||
| + | |||
- following update, FIFO control reg holds 0x4f | - following update, FIFO control reg holds 0x4f | ||
- updating FIFO ctrl register to enable FIFO mode . . . | - updating FIFO ctrl register to enable FIFO mode . . . | ||
| Line 34: | Line 37: | ||
* https://elinux.org/Device_Tree_Mysteries#explain_some_more | * https://elinux.org/Device_Tree_Mysteries#explain_some_more | ||
| + | |||
| + | |||
| + | <!-- comentario --> | ||
| + | |||
| + | Examples from Zephyr 3.2.0 of device structure pointer assignments: | ||
| + | |||
| + | <pre> | ||
| + | ./tests/subsys/pm/device_power_domains/src/main.c:14: const struct device *const reg_0 = DEVICE_DT_GET(DT_NODELABEL(test_reg_0)); | ||
| + | ./tests/subsys/pm/device_power_domains/src/main.c:15: const struct device *const reg_1 = DEVICE_DT_GET(DT_NODELABEL(test_reg_1)); | ||
| + | ./tests/subsys/pm/device_power_domains/src/main.c:16: const struct device *const reg_chained = DEVICE_DT_GET(DT_NODELABEL(test_reg_chained)); | ||
| + | </pre> | ||
<!-- comentario --> | <!-- comentario --> | ||
Revision as of 19:30, 10 November 2022
2022-11-05 SAT
[00:00:00.009,000] <err> IIS2DH: iis2dh@18: device ������rF����� is not ready [00:00:00.017,000] <err> IIS2DH: Failed to initialize interrupts *** Booting Zephyr OS build zephyr-v3.2.0 *** - scoreboard - in setter function test val holds 0, - scoreboard - setting test val to 5, - DEV 1028 - symbol ST_IIS2DH got assigned 'DT_N_S_soc_S_peripheral_50000000_S_flexcomm_8a000_S_iis2dh_18' - kd_thread_iis2dh - Success finding iis2dh device, - kd_thread_iis2dh - WARNING - sensor device 'iis2dh@18' is not ready! - kd_thread_iis2dh - INFO: device name (Zephyr compile time setting) found to be 'iis2dh@18' - kd_thread_iis2dh - INFO: boot time Zephyr init result value holds 5, - DEV 1101 - WHO_AM_I register 0x0F holds 0x33 - DEV 1101 - config register 0x22 holds 0x10 - FIFO control reg holds 0x4f - updating this value to set watermark at 16 data entries . . . - write_register() returns status of 0,./tests/subsys/pm/device_power_domains/src/main.c:14: const struct device *const reg_0 = DEVICE_DT_GET(DT_NODELABEL(test_reg_0)); ./tests/subsys/pm/device_power_domains/src/main.c:15: const struct device *const reg_1 = DEVICE_DT_GET(DT_NODELABEL(test_reg_1)); ./tests/subsys/pm/device_power_domains/src/main.c:16: const struct device *const reg_chained = DEVICE_DT_GET(DT_NODELABEL(test_reg_chained)); - following update, FIFO control reg holds 0x4f - updating FIFO ctrl register to enable FIFO mode . . . - reading back vale . . . - FIFO ctrl register now holds 0x4F. - kd_thread_iis2dh - unconditionally attempting to configure data ready (drdy-gpios) interrupt, Waiting for triggers - whoami register, ODR register, and ctrl reg 5 hold 0x33, 0x57, 0x40 - whoami register, ODR register, and ctrl reg 5 hold 0x33, 0x57, 0x40 - whoami register, ODR register, and ctrl reg 5 hold 0x33, 0x57, 0x40
^ Device Tree syntax and Undocumented DTS
Examples from Zephyr 3.2.0 of device structure pointer assignments:
./tests/subsys/pm/device_power_domains/src/main.c:14: const struct device *const reg_0 = DEVICE_DT_GET(DT_NODELABEL(test_reg_0)); ./tests/subsys/pm/device_power_domains/src/main.c:15: const struct device *const reg_1 = DEVICE_DT_GET(DT_NODELABEL(test_reg_1)); ./tests/subsys/pm/device_power_domains/src/main.c:16: const struct device *const reg_chained = DEVICE_DT_GET(DT_NODELABEL(test_reg_chained));
