Files
ch32v203-eth-node/timer.c
kuwoyuki 8adc726b0b chore: debloat (remove platformio), onewire improvements
Squashed commit of the following:

commit 5f16309f629b9928d2134b85ae64af69bc3ebbcd
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sun Nov 24 22:55:15 2024 +0600

    fix: Makefile, improve onewire retries

commit 55496a3bda941b52ff349dc75c9c06eb5a37c07d
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Mon Nov 18 00:41:18 2024 +0600

    fix: make onewire validity less strict

commit 3428a9bc9792508972ce3e7e4e35a64f047bca10
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sun Nov 17 23:57:55 2024 +0600

    chore: rm bins

commit 1594e5ed430522b15466c8afa62ff7fb1b28947c
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sun Nov 17 23:32:01 2024 +0600

    chore: unplatformiofy
2024-11-24 22:56:05 +06:00

41 lines
842 B
C

#include "timer.h"
#include <DHCP/dhcp.h>
#include "ch32v003fun.h"
#include "debug.h"
void tim2_init(void) {
// Enable TIM2 clock
RCC->APB1PCENR |= RCC_APB1Periph_TIM2;
// Reset TIM2 to init all regs
RCC->APB1PRSTR |= RCC_APB1Periph_TIM2;
RCC->APB1PRSTR &= ~RCC_APB1Periph_TIM2;
// Set prescaler to 14400-1, 10 kHz timer clock
TIM2->PSC = 14400 - 1;
// Set auto-reload value to 10,000-1 for 1 second overflow
TIM2->ATRLR = 10000 - 1;
// Enable update interrupt
TIM2->DMAINTENR |= TIM_UIE;
// Enable TIM2
TIM2->CTLR1 |= TIM_CEN;
NVIC_SetPriority(TIM2_IRQn, 0x40);
NVIC_EnableIRQ(TIM2_IRQn);
}
void TIM2_IRQHandler(void) __attribute__((interrupt));
void TIM2_IRQHandler(void) {
if (TIM2->INTFR & TIM_UIF) {
TIM2->INTFR &= ~TIM_UIF;
// DEBUG_PRINT("TIM2 IRQ\n");
DHCP_time_handler();
}
}