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PortentaH7 - Stop the blue blink... #128

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Merged
merged 1 commit into from
May 23, 2025
Merged

PortentaH7 - Stop the blue blink... #128

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1 change: 1 addition & 0 deletions variants/arduino_portenta_h7_stm32h747xx_m7/arduino_portenta_h7_stm32h747xx_m7.conf
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Original file line number Diff line number Diff line change
Expand Up @@ -95,3 +95,4 @@ CONFIG_VIDEO_BUFFER_POOL_ALIGN=32
CONFIG_VIDEO_BUFFER_USE_SHARED_MULTI_HEAP=y
CONFIG_VIDEO_BUFFER_SMH_ATTRIBUTE=2
CONFIG_FLASH=y
CONFIG_STM32H7_BOOT_M4_AT_INIT=n
12 changes: 12 additions & 0 deletions variants/arduino_portenta_h7_stm32h747xx_m7/variant.cpp
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Original file line number Diff line number Diff line change
@@ -1,8 +1,20 @@
#include <zephyr/kernel.h>
#include <zephyrInternal.h>

void _on_1200_bps() {
uint32_t tmp = (uint32_t) & (RTC->BKP0R);
tmp += (RTC_BKP_DR0 * 4U);
*(__IO uint32_t *)tmp = (uint32_t)0xDF59;
NVIC_SystemReset();
}

void initVariant(void) {
// check the BLUE LED
/* Set led1 inactive since the Arduino bootloader leaves it active */
const struct gpio_dt_spec led2 = GPIO_DT_SPEC_GET(DT_ALIAS(led2), gpios);
if (!gpio_is_ready_dt(&led2)) {
return;
}

gpio_pin_configure_dt(&led2, GPIO_OUTPUT_INACTIVE);
}