From f886e7557e98ebaea0b40e7c99b58585bc1c1df1 Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Mon, 29 Nov 2021 18:17:06 +0100
Subject: [PATCH] clock: Raise clock speed for BLE to work while sleeping
---
epicardium/main.c | 5 +++++
epicardium/support.c | 2 --
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/epicardium/main.c b/epicardium/main.c
index 6b6dd641..51f4bcf8 100644
--- a/epicardium/main.c
+++ b/epicardium/main.c
@@ -98,6 +98,11 @@ int main(void)
disp_ctx_reinit();
#endif
+ epic_gpio_set_pin_mode(EPIC_GPIO_WRISTBAND_1, EPIC_GPIO_MODE_OUT);
+ epic_gpio_set_pin_mode(EPIC_GPIO_WRISTBAND_2, EPIC_GPIO_MODE_OUT);
+ epic_gpio_set_pin_mode(EPIC_GPIO_WRISTBAND_3, EPIC_GPIO_MODE_OUT);
+ epic_gpio_set_pin_mode(EPIC_GPIO_WRISTBAND_4, EPIC_GPIO_MODE_OUT);
+
epic_leds_clear_all(0, 0, 0);
LOG_DEBUG("startup", "Initializing tasks ...");
diff --git a/epicardium/support.c b/epicardium/support.c
index 238a59ed..023d3e70 100644
--- a/epicardium/support.c
+++ b/epicardium/support.c
@@ -61,7 +61,6 @@ void pre_idle_sleep(TickType_t xExpectedIdleTime)
if (usb_get_status() & MAXUSB_STATUS_VBUS_ON) {
SYS_Clock_Select(SYS_CLOCK_HIRC, NULL);
} else {
- MXC_GCR->clkcn |= MXC_S_GCR_CLKCN_PSC_DIV4;
SYS_Clock_Select(SYS_CLOCK_HIRC, NULL);
SYS_ClockSourceDisable(SYS_CLOCK_HIRC96);
}
@@ -69,7 +68,6 @@ void pre_idle_sleep(TickType_t xExpectedIdleTime)
__asm volatile("dsb" ::: "memory");
__asm volatile("wfe");
__asm volatile("isb");
- MXC_GCR->clkcn &= ~(MXC_S_GCR_CLKCN_PSC_DIV4);
SYS_Clock_Select(SYS_CLOCK_HIRC96, NULL);
disp_update_backlight_clock();
SYS_ClockSourceDisable(SYS_CLOCK_HIRC);
--
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