Skip to content

MIMXRT1050: Update for deep sleep latency #12364

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Feb 7, 2020
Merged

MIMXRT1050: Update for deep sleep latency #12364

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
18 changes: 0 additions & 18 deletions targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_MIMXRT1050/TARGET_EVK/lpm.c
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -132,32 +132,14 @@ void CLOCK_SET_DIV(clock_div_t divider, uint32_t value)

void ClockSelectXtalOsc(void)
{
/* Enable XTAL 24MHz clock source. */
CLOCK_InitExternalClk(0);
/* Wait CCM operation finishes */
CLOCK_CCM_HANDSHAKE_WAIT();
/* Take some delay */
SDK_DelayAtLeastUs(40);
/* Switch clock source to external OSC. */
CLOCK_SwitchOsc(kCLOCK_XtalOsc);
/* Turn off XTAL-OSC detector */
CCM_ANALOG->MISC0_CLR = CCM_ANALOG_MISC0_OSC_XTALOK_EN_MASK;
/* Power Down internal RC. */
CLOCK_DeinitRcOsc24M();
}

void ClockSelectRcOsc(void)
{
/* Enable internal RC. */
XTALOSC24M->LOWPWR_CTRL |= XTALOSC24M_LOWPWR_CTRL_RC_OSC_EN_MASK;
/* Wait CCM operation finishes */
CLOCK_CCM_HANDSHAKE_WAIT();
/* Take some delay */
SDK_DelayAtLeastUs(4000);
/* Switch clock source to internal RC. */
XTALOSC24M->LOWPWR_CTRL_SET = XTALOSC24M_LOWPWR_CTRL_SET_OSC_SEL_MASK;
/* Disable XTAL 24MHz clock source. */
CCM_ANALOG->MISC0_SET = CCM_ANALOG_MISC0_XTAL_24M_PWD_MASK;
}

void LPM_SetRunModeConfig(void)
Expand Down
2 changes: 1 addition & 1 deletion targets/targets.json
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -2865,7 +2865,7 @@
],
"device_name": "MIMXRT1052",
"overrides": {
"deep-sleep-latency": 5,
"deep-sleep-latency": 10,
"network-default-interface-type": "ETHERNET"
}
},
Expand Down