mirror of
https://github.com/jhbruhn/eurorack.git
synced 2025-03-14 18:55:48 +00:00
183 lines
4 KiB
C++
183 lines
4 KiB
C++
#include "drivers/adc.h"
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#include "drivers/dacs.h"
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#include "drivers/leds.h"
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#include "drivers/peripherals.h"
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#include "drivers/switches.h"
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#include "processor.h"
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#include "resources.h"
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#include "stmlib/ui/event_queue.h"
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#include "ui.h"
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#include <stm32f0xx_hal.h>
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#include "stmlib/system/bootloader_utils.h"
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using namespace stereo_mix;
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using namespace stmlib;
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Dacs dacs;
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Adc adc;
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Leds leds;
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Switches switches;
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Processor processors[kNumChannels];
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Settings settings;
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UI ui(&adc, &switches, &leds, processors, &settings);
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bool mute[4];
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void WriteOutputs(void);
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// Default interrupt handlers.
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extern "C" {
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void NMI_Handler() { }
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void Error_Handler()
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{
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while (1)
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;
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}
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void HardFault_Handler()
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{
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while (1)
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;
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}
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void MemManage_Handler()
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{
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while (1)
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;
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}
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void BusFault_Handler()
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{
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while (1)
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;
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}
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void UsageFault_Handler()
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{
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while (1)
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;
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}
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void SVC_Handler() { }
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void DebugMon_Handler() { }
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void PendSV_Handler() { }
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// called every 1ms
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void SysTick_Handler()
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{
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HAL_IncTick();
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system_clock.Tick();
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switches.Debounce();
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ui.Poll();
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}
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void SystemClock_Config(void)
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{
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RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
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RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
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/** Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI14 | RCC_OSCILLATORTYPE_HSE;
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RCC_OscInitStruct.HSEState = RCC_HSE_ON;
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RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
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RCC_OscInitStruct.HSI14CalibrationValue = 16;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
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RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
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RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
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if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
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Error_Handler();
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}
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/** Initializes the CPU, AHB and APB busses clocks
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*/
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RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
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| RCC_CLOCKTYPE_PCLK1;
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
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if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) {
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Error_Handler();
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}
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}
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void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc)
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{
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adc.OnDMATransferComplete();
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}
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void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef* htim)
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{
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if (htim == &htim3) {
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leds.Write(); // 53571 Hz
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return;
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}
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if (htim == &htim6) {
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WriteOutputs(); // 4076 Hz
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}
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}
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}
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void Init(void)
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{
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__HAL_RCC_SYSCFG_CLK_ENABLE();
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__HAL_RCC_PWR_CLK_ENABLE();
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__HAL_RCC_GPIOA_CLK_ENABLE();
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__HAL_RCC_GPIOB_CLK_ENABLE();
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__HAL_RCC_GPIOC_CLK_ENABLE();
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__HAL_RCC_GPIOF_CLK_ENABLE();
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__HAL_RCC_TIM1_CLK_ENABLE();
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__HAL_RCC_TIM3_CLK_ENABLE();
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__HAL_RCC_TIM6_CLK_ENABLE();
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__HAL_RCC_SPI1_CLK_ENABLE();
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HAL_NVIC_SetPriority(TIM3_IRQn, 0, 0);
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HAL_NVIC_EnableIRQ(TIM3_IRQn);
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htim3.Init.Prescaler = 27;
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htim3.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim3.Init.Period = 65535 >> 2;
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htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim3.Init.RepetitionCounter = 0;
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HAL_TIM_Base_Init(&htim3);
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HAL_TIM_Base_Start_IT(&htim3);
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HAL_NVIC_SetPriority(TIM6_IRQn, 1, 0);
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HAL_NVIC_EnableIRQ(TIM6_IRQn);
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htim6.Init.Prescaler = 47;
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htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
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htim6.Init.Period = 256; // 96 without optimize
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htim6.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
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htim6.Init.RepetitionCounter = 0;
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HAL_TIM_Base_Init(&htim6);
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HAL_TIM_Base_Start_IT(&htim6);
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system_clock.Init();
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}
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uint16_t out[kNumChannels][2];
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void WriteOutputs(void)
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{
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for (int i = 0; i < kNumChannels; i++) {
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dacs.Write16(i, 0, out[i][0]);
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dacs.Write16(i, 1, out[i][1]);
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}
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for (int i = 0; i < kNumChannels; i++) {
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int16_t cvs[2];
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cvs[0] = 65535 - adc.cv_value(AdcChannel(ADC_CHANNEL_PAN_1 + i));
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cvs[1] = adc.cv_value(AdcChannel(ADC_CHANNEL_VOL_1 + i));
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processors[i].Process(cvs, out[i]);
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}
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}
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int main(void)
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{
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HAL_Init();
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SystemClock_Config();
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Init();
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ui.Init();
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while (true) {
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ui.DoEvents();
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}
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}
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