| /Zephyr-latest/arch/arm/core/cortex_a_r/ |
| D | isr_wrapper.S | 2 * Copyright (c) 2013-2014 Wind River Systems, Inc.
5 * SPDX-License-Identifier: Apache-2.0
10 * @brief ARM Cortex-A and Cortex-R wrapper for ISRs with parameter
79 * Save away r0-r3, r12 and lr_irq for the previous context to the
87 push {r0-r3, r12, lr}
98 str r0, [sp, #___fpu_t_SIZEOF - 4]
102 str r0, [sp, #___fpu_t_SIZEOF - 8]
120 * Use SVC mode stack for predictable interrupt behaviour; running ISRs
121 * in the SYS/USR mode stack (i.e. interrupted thread stack) leaves the
127 * information to the user mode.
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| /Zephyr-latest/samples/boards/ti/cc13x2_cc26x2/system_off/ |
| D | README.rst | 1 .. zephyr:code-sample:: ti_cc13x2_cc26x2_system_off
13 * Busy-wait for 5 seconds
14 * Sleep for 2 milliseconds (Idle mode)
15 * Sleep for 3 seconds (Standby mode)
17 (Shutdown mode)
30 .. zephyr-app-commands::
31 :zephyr-app: samples/boards/ti/cc13x2_cc26x2/system_off
39 power-cycle it.
44 5. Device will demonstrate active, idle and standby modes.
45 6. Device will explicitly turn itself off by going into shutdown mode.
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| /Zephyr-latest/dts/bindings/input/ |
| D | gpio-kbd-matrix.yaml | 2 # SPDX-License-Identifier: Apache-2.0
11 kbd-matrix {
12 compatible = "gpio-kbd-matrix";
13 row-gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>,
15 col-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>,
18 no-ghostkey-check;
21 compatible: "gpio-kbd-matrix"
24 - name: kbd-matrix-common.yaml
25 property-blocklist:
26 - row-size
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| D | gpio-qdec.yaml | 2 # SPDX-License-Identifier: Apache-2.0
9 transition on any of the encoder signal lines, then switches to polling mode
15 #include <zephyr/dt-bindings/input/input-event-codes.h>
18 compatible = "gpio-qdec";
21 steps-per-period = <4>;
23 sample-time-us = <2000>;
24 idle-timeout-ms = <200>;
27 compatible: "gpio-qdec"
33 type: phandle-array
38 led-gpios:
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| /Zephyr-latest/dts/bindings/mipi-dbi/ |
| D | mipi-dbi-spi-device.yaml | 2 # SPDX-License-Identifier: Apache-2.0
4 # Common fields for MIPI DBI devices using Mode C (SPI)
6 include: [mipi-dbi-device.yaml]
13 SPI Duplex mode, full or half. By default it's always full duplex thus 0
14 as this is, by far, the most common mode.
18 list (see dt-bindings/spi/spi.h)
21 mipi-cpol:
24 SPI clock polarity which indicates the clock idle state.
25 If it is used, the clock idle state is logic high; otherwise, low.
26 mipi-cpha:
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| /Zephyr-latest/soc/nxp/imxrt/imxrt10xx/ |
| D | power.c | 4 * SPDX-License-Identifier: Apache-2.0
7 * sleep mode must be defined within this file, or linked to RAM.
28 * normal/full speed mode, low speed mode, and low power mode.
35 __ASSERT_NO_MSG(callbacks && callbacks->clock_set_run && callbacks->clock_set_low_power); in imxrt_clock_pm_callbacks_register()
36 lpm_clock_hooks.clock_set_run = callbacks->clock_set_run; in imxrt_clock_pm_callbacks_register()
37 lpm_clock_hooks.clock_set_low_power = callbacks->clock_set_low_power; in imxrt_clock_pm_callbacks_register()
38 if (callbacks->clock_lpm_init) { in imxrt_clock_pm_callbacks_register()
39 lpm_clock_hooks.clock_lpm_init = callbacks->clock_lpm_init; in imxrt_clock_pm_callbacks_register()
43 static void lpm_set_sleep_mode_config(clock_mode_t mode) in lpm_set_sleep_mode_config() argument
50 * ERR050143: CCM: When improper low-power sequence is used, in lpm_set_sleep_mode_config()
[all …]
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| /Zephyr-latest/subsys/pm/policy/ |
| D | Kconfig | 2 # SPDX-License-Identifier: Apache-2.0
6 prompt "Idle State Power Management Policy"
9 Select the idle state power management policy.
37 bool "Allow gathering latency requirements in standalone mode"
42 CPU idle states). Because the API has a subscription mechanism, it can
43 be useful to perform system-level adjustments based on latency
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| /Zephyr-latest/drivers/timer/ |
| D | Kconfig.cortex_m_systick | 1 # Copyright (c) 2014-2015 Wind River Systems, Inc.
4 # SPDX-License-Identifier: Apache-2.0
6 DT_CHOSEN_IDLE_TIMER := zephyr,cortex-m-idle-timer
9 bool "Cortex-M SYSTICK timer"
20 This module implements a kernel device driver for the Cortex-M processor
27 This option should be selected by SysTick-based drivers so that the
31 bool "Cortex-M SYSTICK timer with sys_clock_cycle_get_64() support"
36 This driver, due to its limited 24-bits hardware counter, is already
38 count a 64-bits value to support sys_clock_cycle_get_64().
47 bool "Use an additional timer while entering IDLE"
[all …]
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| D | cortex_m_systick.c | 4 * SPDX-License-Identifier: Apache-2.0
20 #define MAX_TICKS ((k_ticks_t)(COUNTER_MAX / CYC_PER_TICK) - 1)
25 * reliably" -- it becomes the minimum value of the LOAD register, and
61 * Additions/subtractions/comparisons of 64-bits values on 32-bits systems
63 * cycle_count and announced_cycles is stored in a 32-bit variable before
81 * entering idle state.
83 * It is used for chips that has to use a separate idle timer in such
84 * case because the Cortex-m SysTick is not clocked in the low power
85 * mode state.
89 /* Cycle counter before entering the idle state. */
[all …]
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| /Zephyr-latest/dts/bindings/display/ |
| D | sitronix,st7796s.yaml | 2 # SPDX-License-Identifier: Apache-2.0
8 include: [mipi-dbi-spi-device.yaml, display-controller.yaml]
12 type: uint8-array
15 Frame rate control (partial mode / full colors). The default value should
19 type: uint8-array
22 Frame rate control (idle mode / 8 colors). This property sets the
23 division ratio for internal clocks in idle mode
26 type: uint8-array
29 Frame rate control (partial mode / full colors). This property sets the
30 division ratio for internal clocks in partial mode
[all …]
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| D | sitronix,st7735r.yaml | 1 # Copyright (c) 2020, Kim Bøndergaard <kim@fam-boendergaard.dk>
2 # SPDX-License-Identifier: Apache-2.0
8 include: [mipi-dbi-spi-device.yaml, display-controller.yaml]
11 x-offset:
16 y-offset:
32 type: uint8-array
37 type: uint8-array
42 type: uint8-array
47 type: uint8-array
52 type: uint8-array
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| /Zephyr-latest/soc/ti/simplelink/cc13x2_cc26x2/ |
| D | power.c | 4 * SPDX-License-Identifier: Apache-2.0
55 * PM_STATE_SUSPEND_TO_IDLE: Idle
81 /* 1. Get the current VIMS mode */ in pm_state_set()
86 /* 2. Configure flash to remain on in IDLE or not and keep in pm_state_set()
88 * 3. Always keep cache retention ON in IDLE in pm_state_set()
91 * 6. Enter IDLE in pm_state_set()
105 /* go to standby mode */ in pm_state_set()
116 /* Handle SOC specific activity after Low Power Mode Exit */
123 * System is now in active mode. Reenable interrupts which were disabled in pm_state_exit_post_ops()
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| /Zephyr-latest/tests/drivers/input/gpio_kbd_matrix/boards/ |
| D | native_sim.overlay | 4 * SPDX-License-Identifier: Apache-2.0
12 kbd_matrix_interrupt: kbd-matrix-interrupt {
13 compatible = "gpio-kbd-matrix";
14 row-gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>,
16 col-gpios = <&gpio0 2 GPIO_ACTIVE_LOW>,
18 debounce-down-ms = <80>;
19 debounce-up-ms = <40>;
20 poll-timeout-ms = <500>;
23 kbd_matrix_poll: kbd-matrix-poll {
24 compatible = "gpio-kbd-matrix";
[all …]
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| /Zephyr-latest/dts/bindings/spi/ |
| D | espressif,esp32-spi.yaml | 3 compatible: "espressif,esp32-spi"
5 include: [spi-controller.yaml, pinctrl-device.yaml]
11 pinctrl-0:
14 pinctrl-names:
17 half-duplex:
20 Enable half-duplex communication mode.
24 dummy-comp:
31 Enable 3-wire mode
35 dma-enabled:
39 dma-clk:
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| D | spi-device.yaml | 1 # Copyright (c) 2018, I-SENSE group of ICCS
2 # SPDX-License-Identifier: Apache-2.0
8 on-bus: spi
13 spi-max-frequency:
21 Duplex mode, full or half. By default it's always full duplex thus 0
22 as this is, by far, the most common mode.
24 list (see dt-bindings/spi/spi.h)
28 - 0
29 - 2048
30 frame-format:
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| /Zephyr-latest/soc/infineon/cat1b/cyw20829/ |
| D | power.c | 5 * SPDX-License-Identifier: Apache-2.0
32 LOG_DBG("Entering PM state suspend to idle"); in pm_state_set()
41 * if the Zephyr idle function executes the wfi instruction in pm_state_set()
69 /* System Domain Idle Power Mode Configuration */ in ifx_pm_init()
|
| /Zephyr-latest/soc/ti/simplelink/cc13x2x7_cc26x2x7/ |
| D | power.c | 4 * SPDX-License-Identifier: Apache-2.0
55 * PM_STATE_SUSPEND_TO_IDLE: Idle
82 /* 1. Get the current VIMS mode */ in pm_state_set()
87 /* 2. Configure flash to remain on in IDLE or not and keep in pm_state_set()
89 * 3. Always keep cache retention ON in IDLE in pm_state_set()
92 * 6. Enter IDLE in pm_state_set()
106 /* go to standby mode */ in pm_state_set()
124 /* Handle SOC specific activity after Low Power Mode Exit */
131 * System is now in active mode. Reenable interrupts which were disabled in pm_state_exit_post_ops()
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| /Zephyr-latest/dts/bindings/memory-controllers/ |
| D | renesas,smartbond-nor-psram.yaml | 2 # SPDX-License-Identifier: Apache-2.0
8 compatible: "renesas,smartbond-nor-psram"
14 is-ram:
19 dev-size:
25 dev-type:
31 dev-density:
40 dev-id:
46 reset-delay-us:
52 read-cs-idle-min-ns:
59 erase-cs-idle-min-ns:
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| /Zephyr-latest/boards/renesas/da1469x_dk_pro/dts/ |
| D | da1469x_dk_pro_psram.overlay | 4 * SPDX-License-Identifier: Apache-2.0
9 sram-ext = &memc;
17 /* QSPIC settings for the APS6404L-3SQR QSPI PSRAM memory in QPI mode. */
20 is-ram;
21 dev-size = <DT_SIZE_M(64)>;
22 dev-type = <0x5D>;
23 dev-id = <0x0D>;
24 dev-density = <0xE040>;
25 reset-delay-us = <50>;
26 read-cs-idle-min-ns = <18>;
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| /Zephyr-latest/include/zephyr/net/ |
| D | ieee802154_radio_openthread.h | 4 * SPDX-License-Identifier: Apache-2.0
26 * mode.
30 /** Capability to support CST-related features.
32 * The CST-related features are described by "Specification changes for Thread-in-Mobile"
34 * CST Period IEs as described by chapter 4.6.6.1 of the Thread-in-Mobile specification
50 /** @brief TX mode */
53 * The @ref IEEE802154_OPENTHREAD_TX_MODE_TXTIME_MULTIPLE_CCA mode allows to send
54 * a scheduled packet if the channel is reported idle after at most
55 * 1 + max_extra_cca_attempts CCAs performed back-to-back.
57 * This mode is a non-standard experimental OpenThread feature. It allows transmission
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| /Zephyr-latest/doc/services/input/ |
| D | gpio-kbd.rst | 1 .. _gpio-kbd:
6 The :dtcompatible:`gpio-kbd-matrix` driver supports a large variety of keyboard
21 .. figure:: no-diodes.svg
30 .. code-block:: devicetree
32 kbd-matrix {
33 compatible = "gpio-kbd-matrix";
34 row-gpios = <&gpio0 0 (GPIO_PULL_UP | GPIO_ACTIVE_LOW)>,
37 col-gpios = <&gpio0 3 GPIO_ACTIVE_LOW>,
42 In this configuration the matrix scanning library enters idle mode once all
47 impedance mode. This means that the row state may need some time to settle to
[all …]
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| /Zephyr-latest/tests/kernel/threads/thread_stack/src/ |
| D | main.c | 4 * SPDX-License-Identifier: Apache-2.0
36 *start_addr = (char *)k_current_get()->stack_info.start; in z_impl_stack_info_get()
37 *size = k_current_get()->stack_info.size; in z_impl_stack_info_get()
123 printk(" - Thread reports buffer %p size %zu\n", stack_start, in stack_buffer_scenarios()
149 zassert_true(STEST_STACKSIZE <= (obj_size - reserved), in stack_buffer_scenarios()
166 printk(" - check read/write to stack buffer\n"); in stack_buffer_scenarios()
187 /* If we're in user mode, check every byte in the stack buffer in stack_buffer_scenarios()
201 zassert_true(check_perms(stack_start - 1, 1, 0), in stack_buffer_scenarios()
202 "user mode access to memory %p before start of stack object", in stack_buffer_scenarios()
203 obj_start - 1); in stack_buffer_scenarios()
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| /Zephyr-latest/tests/drivers/build_all/input/ |
| D | app.overlay | 4 * SPDX-License-Identifier: Apache-2.0
7 #include <zephyr/dt-bindings/input/input-event-codes.h>
11 #address-cells = <1>;
12 #size-cells = <1>;
17 #io-channel-cells = <1>;
18 #address-cells = <1>;
19 #size-cells = <0>;
26 zephyr,acquisition-time = <ADC_ACQ_TIME_DEFAULT>;
32 gpio-controller;
34 #gpio-cells = <0x2>;
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| /Zephyr-latest/subsys/pm/ |
| D | Kconfig | 1 # Copyright (c) 2014-2015 Wind River Systems, Inc.
3 # SPDX-License-Identifier: Apache-2.0
11 calls to configure low-power states.
18 policies whenever the kernel becomes idle. The kernel informs the
27 module-str = System Power Management
37 bool "Suspend-to-RAM (S2RAM)"
40 This option enables suspend-to-RAM (S2RAM).
46 By default a magic word in RAM is used to mark entering suspend-to-RAM. Enabling
50 bool "System Low Power Mode Needs All Devices Idle"
54 entering into system low power mode.
[all …]
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| /Zephyr-latest/soc/ene/kb1200/ |
| D | soc.c | 4 * SPDX-License-Identifier: Apache-2.0
19 /* Interrupt Event Wakeup from IDLE mode Enable */ in pmu_init()
20 pmu->PMUIDLE |= PMU_IDLE_WU_ENABLE; in pmu_init()
21 /* GPTD wake up from STOP mode enable. */ in pmu_init()
22 pmu->PMUSTOP |= PMU_STOP_WU_GPTD; in pmu_init()
23 /* SWD EDI32 wake up from STOP mode enable */ in pmu_init()
24 pmu->PMUSTOP |= (PMU_STOP_WU_EDI32 | PMU_STOP_WU_SWD); in pmu_init()
32 gcfg->CLKCFG = GCFG_CLKCFG_96M; in clock_init()
35 gcfg->CLKCFG = GCFG_CLKCFG_48M; in clock_init()
38 gcfg->CLKCFG = GCFG_CLKCFG_24M; in clock_init()
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