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cpu/stm32_common: minimize consumption for STM32L1

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- With this PR all GPIOs are set as AIN on start up.

Co-authored-by: Oleg Artamonov <oleg@unwds.com>
This commit is contained in:
Francisco Molina 2019-07-12 14:58:33 +02:00
parent db08af4586
commit 3cd72441bd
1 changed files with 9 additions and 3 deletions
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12
cpu/stm32_common/cpu_init.c
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@ -45,11 +45,16 @@
#if defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F1) || \
defined(CPU_FAM_STM32F2) || defined(CPU_FAM_STM32F3) || \
defined(CPU_FAM_STM32F4) || defined(CPU_FAM_STM32F7)
defined(CPU_FAM_STM32F4) || defined(CPU_FAM_STM32F7) || \
defined(CPU_FAM_STM32L1)
#define STM32_CPU_MAX_GPIOS (12U)
#if defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F3)
#if defined(CPU_FAM_STM32L1)
#define GPIO_CLK (AHB)
#define GPIO_CLK_ENR (RCC->AHBENR)
#define GPIO_CLK_ENR_MASK (0x0000FFFF)
#elif defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F3)
#define GPIO_CLK (AHB)
#define GPIO_CLK_ENR (RCC->AHBENR)
#define GPIO_CLK_ENR_MASK (0xFFFF0000)
@ -147,7 +152,8 @@ void cpu_init(void)
stmclk_init_sysclk();
#if defined(CPU_FAM_STM32F0) || defined(CPU_FAM_STM32F1) || \
defined(CPU_FAM_STM32F2) || defined(CPU_FAM_STM32F3) || \
defined(CPU_FAM_STM32F4) || defined(CPU_FAM_STM32F7)
defined(CPU_FAM_STM32F4) || defined(CPU_FAM_STM32F7) || \
defined(CPU_FAM_STM32L1)
_gpio_init_ain();
#endif
#ifdef MODULE_PERIPH_DMA