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Merge pull request #51 from smartavionics/mb-stm32f4-tck-pulldown

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STM32F4 - TCK/SWDCLK should be pulled down, not up.
This commit is contained in:
Bogdan Marinescu 2014-05-07 20:28:32 +01:00
commit 595078219e
1 changed files with 6 additions and 1 deletions
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7
src/platform/stm32f4/platform.c
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@ -225,7 +225,7 @@ static void pios_init()
GPIO_PinAFConfig(GPIOA, GPIO_PinSource14, GPIO_AF_SWJ); // PA14 TCK / SWDCLK
GPIO_PinAFConfig(GPIOA, GPIO_PinSource15, GPIO_AF_SWJ); // PA15 TDI
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
@ -234,6 +234,11 @@ static void pios_init()
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
#endif
#ifdef ENABLE_TRACE