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STM32 LPTICKER (LPTIM): correct init execution after bootloader #9798

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Feb 21, 2019
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STM32 LPTICKER (LPTIM): correct init execution after bootloader #9798

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5 changes: 4 additions & 1 deletion targets/TARGET_STM/lp_ticker.c
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Original file line number Diff line number Diff line change
Expand Up @@ -59,16 +59,19 @@ const ticker_info_t *lp_ticker_get_info()

volatile uint8_t lp_Fired = 0;

static int LPTICKER_inited = 0;

static void LPTIM1_IRQHandler(void);
static void (*irq_handler)(void);

void lp_ticker_init(void)
{
/* Check if LPTIM is already configured */
if (__HAL_RCC_LPTIM1_IS_CLK_ENABLED()) {
if (LPTICKER_inited) {
lp_ticker_disable_interrupt();
return;
}
LPTICKER_inited = 1;

RCC_PeriphCLKInitTypeDef RCC_PeriphCLKInitStruct = {0};
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
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