1 files changed, 0 insertions, 85 deletions
diff --git a/src/stm32f0/timer.c b/src/stm32f0/timer.c
deleted file mode 100644
index 0b285d4e..00000000
--- a/src/stm32f0/timer.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * Timer and PWM functions for STM32F042 boards.
- * Also replacement for 'generic/armcm_timer.c', which not compatible
- * with Cortex-M0 CPUs
- *
- *  Copyright (C) 2019 Eug Krashtan <eug.krashtan@gmail.com>
- *  This file may be distributed under the terms of the GNU GPLv3 license.
- *
- *  DO NOT USE HAL! (Timer HAL extremely fat)
- */
-
-#include "autoconf.h" // CONFIG_CLOCK_FREQ
-#include "board/internal.h" // SysTick
-#include "board/irq.h" // irq_disable
-#include "stm32f0xx.h"
-#include "log.h"
-#include "sched.h" // DECL_INIT
-#include "command.h" // shutdown
-#include "board/timer_irq.h" // timer_dispatch_many
-
-// Set the next irq time
-static void
-timer_set_diff(uint32_t value)
-{
-    SysTick->LOAD = value & SysTick_LOAD_RELOAD_Msk;
-    SysTick->VAL = 0;
-    SysTick->LOAD = 0;
-}
-
-// Activate timer dispatch as soon as possible
-void
-timer_kick(void)
-{
-    SysTick->LOAD = 0;
-    SysTick->VAL = 0;
-    SCB->ICSR = SCB_ICSR_PENDSTSET_Msk;
-}
-
-/*
- * TIM2 (32bit) used instead of DWT->CYCCNT in original variant
- */
-void TimerInit(void)
-{
-    RCC->APB1ENR |= RCC_APB1ENR_TIM2EN;
-
-    TIM2->PSC = 0;
-    //TIM2->ARR = 0xFFFFFFFF; reset value
-    TIM2->DIER = TIM_DIER_UIE;
-    TIM2->CR1 = TIM_CR1_CEN;
-
-    NVIC_EnableIRQ(TIM2_IRQn);
-
-    // Enable SysTick
-    irqstatus_t flag = irq_save();
-    NVIC_SetPriority(SysTick_IRQn, 2);
-    SysTick->CTRL = (SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_TICKINT_Msk
-                     | SysTick_CTRL_ENABLE_Msk);
-    timer_kick();
-    irq_restore(flag);
-
-}
-DECL_INIT(TimerInit);
-
-uint32_t
-timer_read_time(void)
-{
-    return TIM2->CNT;
-}
-
-// IRQ handler
-void __visible __aligned(16) // aligning helps stabilize perf benchmarks
-SysTick_Handler(void)
-{
-    irq_disable();
-    uint32_t next = timer_dispatch_many();
-    timer_set_diff(next-timer_read_time());
-    irq_enable();
-}
-
-void TIM2_IRQHandler(void)
-{
-    if(TIM2->SR & TIM_SR_UIF) {
-        TIM2->SR &= ~TIM_SR_UIF; // clear UIF flag
-    }
-}