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stm32: adc for new stm32f0 common code (#2120)

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Derived from stm32/adc.c and stm32f0/adc.c with additional changes.

Tested on Monoprice Mini Delta (malyan) stm32f070xb board.

Signed-off-by: Chris Lombardi <clearchris@hotmail.com>
This commit is contained in:
clearchris 2019-11-05 09:08:32 -06:00 • committed by KevinOConnor
parent cf6e8a2eee
commit 009d14fc3e
4 changed files with 144 additions and 3 deletions
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13
src/stm32/stm32f0.c
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@ -156,6 +156,16 @@ hsi48_setup(void)
#endif
}
// Enable high speed internal 14Mhz clock for ADC
static void
hsi14_setup(void)
{
// Enable HSI14 for ADC
RCC->CR2 = RCC_CR2_HSI14ON;
while (!(RCC->CR2 & RCC_CR2_HSI14RDY))
;
}
// Main entry point - called from armcm_boot.c:ResetHandler()
void
armcm_main(void)
@ -179,6 +189,9 @@ armcm_main(void)
else
pll_setup();
// Turn on hsi14 oscillator for ADC
hsi14_setup();
// Support alternate USB pins on stm32f042
#ifdef SYSCFG_CFGR1_PA11_PA12_RMP
if (CONFIG_STM32F042_USB_PIN_SWAP) {