64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
//
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// Created by Luca on 9/15/2025.
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//
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#include <cstdio>
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#include "SHAL_CORE.h"
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#include "SHAL_GPIO.h"
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#include "SHAL_ADC.h"
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#include "SHAL_UART.h"
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void SHAL_init(){
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systick_init();
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for(auto i = static_cast<uint8_t>(ADC_Key::S_ADC1); i < static_cast<uint8_t>(ADC_Key::NUM_ADC); i++){ //Init all ADCs
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auto adc_key = static_cast<ADC_Key>(i);
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ADCManager::getByIndex(i).init(adc_key);
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}
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SET_ANALOGREAD_ADC(SHAL_ADC1); //Default ADC1 for analogread calls
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}
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void systick_init(){
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SysTick->CTRL = 0; //Disable first
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SysTick->LOAD = 0xFFFFFF; //Max 24-bit
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SysTick->VAL = 0; //Clear
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SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
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}
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void SHAL_delay_us(uint32_t us){
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uint32_t ticks = us * (SystemCoreClock / 1000000U);
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uint32_t start = SysTick->VAL;
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//Calculate target value (may wrap around)
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uint32_t target = (start >= ticks) ? (start - ticks) : (start + 0x01000000 - ticks);
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target &= 0x00FFFFFF;
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//Wait until we reach the target
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if (start >= ticks) {
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//No wraparound case
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while (SysTick->VAL > target) {}
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} else {
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while (SysTick->VAL <= start) {} //Wait for wraparound
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while (SysTick->VAL > target) {} //Wait for target
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}
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}
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void SHAL_delay_ms(uint32_t ms){
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while(ms-- > 0){
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SHAL_delay_us(1000);
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}
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}
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void SHAL_print_register(const volatile uint32_t* reg){
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char buff[32];
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sprintf(buff, "0x%08lX\r\n", (unsigned long)(*reg));
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SHAL_UART2.sendString(buff);
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}
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