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https://github.com/jhbruhn/eurorack.git
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Create Part class, think about output assignments
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parent
59424f01bb
commit
88916400d2
3 changed files with 109 additions and 93 deletions
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@ -2,9 +2,9 @@
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#include "drivers/display.h"
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#include "drivers/display.h"
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#include "drivers/gpio.h"
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#include "drivers/gpio.h"
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#include "part.h"
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#include "stmlib/system/system_clock.h"
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#include "stmlib/system/system_clock.h"
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#include "ui.h"
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#include "ui.h"
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#include "part.h"
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using namespace stmlib;
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using namespace stmlib;
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@ -12,29 +12,30 @@ GPIO gpio;
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Display display;
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Display display;
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UI ui;
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UI ui;
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//SystemClock system_clock;
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//SystemClock system_clock;
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Part part[4];
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// Default interrupt handlers.
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// Default interrupt handlers.
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extern "C" {
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extern "C" {
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void NMI_Handler() {}
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void NMI_Handler() {}
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void HardFault_Handler()
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void HardFault_Handler()
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{
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{
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while (1)
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while (1)
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;
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;
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}
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}
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void MemManage_Handler()
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void MemManage_Handler()
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{
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{
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while (1)
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while (1)
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;
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;
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}
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}
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void BusFault_Handler()
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void BusFault_Handler()
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{
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{
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while (1)
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while (1)
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;
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;
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}
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}
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void UsageFault_Handler()
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void UsageFault_Handler()
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{
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{
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while (1)
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while (1)
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;
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;
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}
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}
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void SVC_Handler() {}
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void SVC_Handler() {}
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void DebugMon_Handler() {}
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void DebugMon_Handler() {}
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@ -43,87 +44,87 @@ void PendSV_Handler() {}
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// called every 1ms
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// called every 1ms
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void SysTick_Handler()
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void SysTick_Handler()
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{
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{
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IWDG_ReloadCounter();
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IWDG_ReloadCounter();
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system_clock.Tick();
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system_clock.Tick();
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}
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}
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void TIM2_IRQHandler(void)
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void TIM2_IRQHandler(void)
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{
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{
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if (TIM_GetITStatus(TIM2, TIM_IT_Update) == RESET) {
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if (TIM_GetITStatus(TIM2, TIM_IT_Update) == RESET) {
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return;
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return;
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}
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}
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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TIM_ClearITPendingBit(TIM2, TIM_IT_Update);
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// this will get called with 192 kHz (foof)
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// this will get called with 192 kHz (foof)
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// we want to reduce the amount of times the ui gets polled to 1kHz
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// we want to reduce the amount of times the ui gets polled to 1kHz
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// which still is a lot (60fps would be enough tbh)
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// which still is a lot (60fps would be enough tbh)
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static uint8_t count = 0;
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static uint8_t count = 0;
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count++;
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count++;
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if (count % 192 == 0) {
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if (count % 192 == 0) {
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ui.Flush();
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ui.Flush();
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count = 0;
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count = 0;
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}
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}
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if (count % 48 == 0) { // write audiodac1
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if (count % 48 == 0) { // write audiodac1
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}
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}
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if (count % 48 == 1) { // write audiodac2
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if (count % 48 == 1) { // write audiodac2
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}
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}
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if (count % 48 == 2) { // write audiodac3
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if (count % 48 == 2) { // write audiodac3
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}
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}
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if (count % 48 == 3) { // write audiodac4
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if (count % 48 == 3) { // write audiodac4
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}
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}
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}
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}
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}
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}
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void InitTimers(void)
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void InitTimers(void)
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{
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{
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
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TIM_TimeBaseInitTypeDef timer_init;
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TIM_TimeBaseInitTypeDef timer_init;
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timer_init.TIM_Period = F_CPU / (48000 * 4) - 1; // 192 kHz, 48kHz for each audio DAC
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timer_init.TIM_Period = F_CPU / (48000 * 4) - 1; // 192 kHz, 48kHz for each audio DAC
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timer_init.TIM_Prescaler = 0;
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timer_init.TIM_Prescaler = 0;
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timer_init.TIM_ClockDivision = TIM_CKD_DIV1;
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timer_init.TIM_ClockDivision = TIM_CKD_DIV1;
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timer_init.TIM_CounterMode = TIM_CounterMode_Up;
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timer_init.TIM_CounterMode = TIM_CounterMode_Up;
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timer_init.TIM_RepetitionCounter = 0;
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timer_init.TIM_RepetitionCounter = 0;
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//TIM_InternalClockConfig(TIM2);
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//TIM_InternalClockConfig(TIM2);
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TIM_TimeBaseInit(TIM2, &timer_init);
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TIM_TimeBaseInit(TIM2, &timer_init);
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TIM_Cmd(TIM2, ENABLE);
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TIM_Cmd(TIM2, ENABLE);
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NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); // 2.2 priority split.
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NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); // 2.2 priority split.
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// DAC interrupt is given highest priority
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// DAC interrupt is given highest priority
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NVIC_InitTypeDef timer_interrupt;
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NVIC_InitTypeDef timer_interrupt;
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timer_interrupt.NVIC_IRQChannel = TIM2_IRQn;
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timer_interrupt.NVIC_IRQChannel = TIM2_IRQn;
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timer_interrupt.NVIC_IRQChannelPreemptionPriority = 0;
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timer_interrupt.NVIC_IRQChannelPreemptionPriority = 0;
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timer_interrupt.NVIC_IRQChannelSubPriority = 1;
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timer_interrupt.NVIC_IRQChannelSubPriority = 1;
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timer_interrupt.NVIC_IRQChannelCmd = ENABLE;
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timer_interrupt.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&timer_interrupt);
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NVIC_Init(&timer_interrupt);
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TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
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TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE);
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}
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}
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void Init(void)
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void Init(void)
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{
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{
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//SystemInit();
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SystemInit();
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NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x8000);
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NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x8000);
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IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);
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IWDG_WriteAccessCmd(IWDG_WriteAccess_Enable);
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IWDG_SetPrescaler(IWDG_Prescaler_16);
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IWDG_SetPrescaler(IWDG_Prescaler_16);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
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system_clock.Init();
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system_clock.Init();
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SysTick_Config(F_CPU / 8000);
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SysTick_Config(F_CPU / 8000);
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IWDG_Enable();
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IWDG_Enable();
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gpio.Init();
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gpio.Init();
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// asm("bkpt #0");
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// asm("bkpt #0");
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display.Init();
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display.Init();
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InitTimers();
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InitTimers();
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}
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}
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int main(void)
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int main(void)
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{
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{
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Init();
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Init();
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while (1) {
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while (1) {
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// In this loop we do things that dont depend on any timing, but that have to be done.
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// In this loop we do things that dont depend on any timing, but that have to be done.
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// you should not write on spi here because that should happen in the TIM2 interrupt
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// you should not write on spi here because that should happen in the TIM2 interrupt
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ui.Update();
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ui.Update();
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}
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}
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}
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}
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BIN
midi2cv/output_assignment.ods
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BIN
midi2cv/output_assignment.ods
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Binary file not shown.
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@ -5,50 +5,65 @@ enum MIDIThruMode { OFF,
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ON,
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ON,
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POLYCHAIN };
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POLYCHAIN };
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enum BiOutputMode {
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enum BiOutputType {
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PITCH_UNI,
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BI_OFF = 0,
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PITCH_BI,
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BI_PITCH_UNI,
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SAWTOOTH,
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BI_PITCH_BI,
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SQUARE,
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BI_SAWTOOTH,
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SINE,
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BI_SQUARE,
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TRIANGLE
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BI_SINE,
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BI_TRIANGLE
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};
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};
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enum UniOutputMode {
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enum UniOutputType {
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PITCH,
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UNI_OFF = 0,
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VELOCITY,
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UNI_PITCH,
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AFTERTOUCH
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UNI_VELOCITY,
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UNI_MODULATION,
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UNI_AFTERTOUCH,
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UNI_BREATH,
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UNI_EXP,
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UNI_GATE
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};
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};
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enum GateOutputMode {
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enum GateOutputType {
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GATE,
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GATE_OFF = 0,
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TRIGGER
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GATE_GATE,
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GATE_TRIGGER
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};
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};
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class Part {
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class Part {
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public:
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public:
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Part()
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Part()
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: voice_count(1)
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: poly_voice_count(1)
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, output_column_count(1)
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, midi_filter_channel_enabled(true)
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, midi_filter_channel_enabled(true)
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, midi_filter_channel(1)
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, midi_filter_channel(1)
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, midi_filter_lowest_note(0)
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, midi_filter_highest_note(127)
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, midi_thru_mode(OFF)
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, midi_thru_mode(OFF)
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, output_mode_0(PITCH_UNI)
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, output_mode_1(VELOCITY)
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, output_mode_2(AFTERTOUCH)
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, output_mode_3(GATE)
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{
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{
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for (int i = 0; i < 4; i++) {
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output_type_row_0[i] = BI_OFF;
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output_type_row_1[i] = UNI_OFF;
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output_type_row_2[i] = UNI_OFF;
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output_type_row_3[i] = GATE_OFF;
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}
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}
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}
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void ProcessMidiInput(/* TODO: Inputs */);
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void ProcessMidiInput(/* TODO: Inputs */);
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private:
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private:
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uint8_t voice_count;
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uint8_t poly_voice_count;
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uint8_t output_column_count;
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bool midi_filter_channel_enabled;
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bool midi_filter_channel_enabled;
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uint8_t midi_filter_channel;
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uint8_t midi_filter_channel;
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uint8_t midi_filter_lowest_note;
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uint8_t midi_filter_highest_note;
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MIDIThruMode midi_thru_mode;
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MIDIThruMode midi_thru_mode;
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BiOutputMode output_mode_0;
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BiOutputType output_type_row_0[4];
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UniOutputMode output_mode_1;
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UniOutputType output_type_row_1[4];
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UniOutputMode output_mode_2;
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UniOutputType output_type_row_2[4];
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GateOutputMode output_mode_3;
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GateOutputType output_type_row_3[4];
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};
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};
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#endif
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#endif
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