Skip to content

Improve Swan initialization #1722

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 2 commits into from
May 20, 2022
Merged

Improve Swan initialization #1722

Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
09ac0fb
Improve Swan initialization
zfields May 18, 2022
5643a1b
fix: astyle issue
fpistm May 20, 2022
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: 12 additions & 6 deletions variants/STM32L4xx/L4R5Z(G-I)Y_L4R9Z(G-I)Y_L4S5ZIY_L4S9ZIY/variant_SWAN_R5.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -120,19 +120,25 @@ extern "C" {

WEAK void initVariant(void)
{
/* Initialize the 3V3 discharge to be OFF and the output power to be ON */
__HAL_RCC_GPIOE_CLK_ENABLE();

GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
__HAL_RCC_GPIOE_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();

/* Set the DISCHARGE pin and the USB_DETECT pin to FLOAT */
GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Pin = GPIO_PIN_6;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
HAL_GPIO_WritePin(GPIOE, GPIO_PIN_6, GPIO_PIN_SET);
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct); /* PE6 DISCHRG */
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); /* PC6 is USB_DETECT */

/* Turn on the 3V3 regulator */
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Pin = GPIO_PIN_4;
HAL_GPIO_Init(GPIOE, &GPIO_InitStruct);
HAL_GPIO_WritePin(GPIOE, GPIO_PIN_4, GPIO_PIN_SET);

}

/**
Expand Down