eurorack/deprecated/midi2cv/midi2cv.cc

194 lines
4.3 KiB
C++

#include <stm32f3xx_hal.h>
#include "config.h"
#include "drivers/display.h"
#include "drivers/encoder.h"
#include "drivers/peripherals.h"
#include "drivers/ad57x4.h"
#include "menu/menu.h"
#include "menu/menu_items.h"
#include "part.h"
#include "settings.h"
#include "stm32f3xx_hal_cortex.h"
#include "stm32f3xx_hal_tim.h"
#include "stmlib/system/system_clock.h"
#include "ui.h"
namespace std {
void __throw_bad_function_call()
{
while (1)
;
};
}
extern "C" void __cxa_pure_virtual()
{
while (1)
;
}
using namespace stmlib;
Display display;
AD57X4 dac1;
Encoder encoder;
Settings settings;
Part parts[PART_COUNT];
Part* part_pointers[PART_COUNT] = { &parts[0], &parts[1], &parts[2], &parts[3] };
UI ui(part_pointers, &display, &settings);
// Default interrupt handlers.
extern "C" {
void NMI_Handler() {}
void HardFault_Handler()
{
while (1)
;
}
void MemManage_Handler()
{
while (1)
;
}
void BusFault_Handler()
{
while (1)
;
}
void UsageFault_Handler()
{
while (1)
;
}
void Error_Handler()
{
while (1)
;
}
void SVC_Handler() {}
void DebugMon_Handler() {}
void PendSV_Handler() {}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
RCC_ClkInitTypeDef RCC_ClkInitStruct = { 0 };
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
Error_Handler();
}
/** Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
| RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) {
Error_Handler();
}
}
// called every 1ms
void SysTick_Handler(void)
{
HAL_IncTick();
ui.Poll();
system_clock.Tick();
}
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef* htim) // called with 1kHz (OPTIMIZE!) the display should get its own spi bus
{
if (htim != &htim2) {
return;
}
static uint16_t count = 0;
count++;
if (count % (1000L / 20) == 0) {
// refresh display with 20fps
ui.Flush();
count = 0;
}
static float v = 0;
dac1.WriteVoltage(0, v+= 0.1f);
dac1.WriteVoltage(1, v*3);
dac1.WriteVoltage(2, v*5);
dac1.WriteVoltage(3, v*10);
if(v > 1) v = -1;
// write audiodac1
// write audiodac2
// write audiodac3
// write audiodac4
}
}
void InitTimers(void)
{
__HAL_RCC_TIM2_CLK_ENABLE();
htim2.Init.Period = F_CPU / (1000 * 1) - 1;
htim2.Init.Prescaler = 0;
htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
htim2.Init.RepetitionCounter = 0;
//TIM_InternalClockConfig(TIM2);
HAL_TIM_Base_Init(&htim2);
HAL_TIM_Base_Start_IT(&htim2);
HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_2); // 2.2 priority split.
HAL_NVIC_SetPriority(TIM2_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(TIM2_IRQn);
}
void Init(void)
{
//NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x8000);
hiwdg.Init.Prescaler = IWDG_PRESCALER_16;
//HAL_IWDG_Init(&hiwdg);
system_clock.Init();
//IWDG_Enable();
display.Init();
encoder.Init();
dac1.Init();
InitTimers();
}
int main(void)
{
HAL_DeInit();
SystemInit();
SCB->VTOR = 0x8000;
HAL_Init();
__HAL_RCC_SYSCFG_CLK_ENABLE();
__HAL_RCC_PWR_CLK_ENABLE();
SystemClock_Config();
Init();
while (1) {
// In this loop we do things that dont depend on any timing, but that have to be done.
// you should not write on spi here because that should happen in the TIM2 interrupt
// do we want to call the watchdog here? it's the only part thats getting interrupted after all
// (next to the interrupts themselves potentially interrupting each other)
ui.DoEvents();
HAL_IWDG_Refresh(&hiwdg);
}
}