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#include "main.h"
#include "usb_device.h"
#include "device_conf.h"
#include "curemisc.h"
#include "curebuffer.h"
#include "usbd_midi_if.h"
#include "usbd_midi.h"
#define HYST 50
ADC_HandleTypeDef hadc;
DMA_HandleTypeDef hdma_adc;
PCD_HandleTypeDef hpcd_USB_FS;
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_DMA_Init(void);
static void MX_ADC_Init(void);
static void MX_USB_PCD_Init(void);
uint16_t ADC_val[8];
uint16_t ADC_val_old[8];
uint8_t dial[8];
uint8_t dial_mapping[8] = {1, 2, 3, 4, 5, 6, 7, 0};
uint16_t dial_div[8] = {32, 32, 32, 32, 32, 32, 32, 256};
uint8_t midi_packet[4] = {0x0B, 0xB0, 0x00, 0x00};
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_DMA_Init();
MX_ADC_Init();
MX_USB_MIDI_INIT();
HAL_ADC_Start_DMA(&hadc, ADC_val, 8);
if(FUNC_ERROR == midiInit() ){
while(1){
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, SET);
HAL_Delay(500);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, RESET);
HAL_Delay(500);
}
}
//Wait usb configuration.
while(1){
if(USBD_STATE_CONFIGURED == hUsbDeviceFS.dev_state){
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, SET);
break;
}else{
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, RESET);
}
}
while (1)
{
while(1){
if(USBD_STATE_CONFIGURED == hUsbDeviceFS.dev_state){
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, SET);
break;
}else{
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, SET);
HAL_Delay(200);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, RESET);
HAL_Delay(200);
}
}
midiProcess();
for(uint8_t i = 0; i <= 7; i++){
if(ADC_val[dial_mapping[i]] >= (ADC_val_old[dial_mapping[i]] + HYST) || ADC_val[dial_mapping[i]] <= (ADC_val_old[dial_mapping[i]] - HYST)){
ADC_val_old[dial_mapping[i]] = ADC_val[dial_mapping[i]];
dial[i] = (uint8_t)((ADC_val[dial_mapping[i]]/dial_div[i]) & 0x7F);
midi_packet[3] = dial[i];
midi_packet[1] = 0xB0 + i;
sendMidiMessage(midi_packet, 4);
USBD_MIDI_SendPacket();
HAL_Delay(2);
}
}
//USBD_MIDI_SendData(&hUsbDeviceFS, midi_packet, 4);
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI14|RCC_OSCILLATORTYPE_HSI48;
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
RCC_OscInitStruct.HSI14CalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1);
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USB;
PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_HSI48;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
}
static void MX_ADC_Init(void)
{
ADC_ChannelConfTypeDef sConfig = {0};
hadc.Instance = ADC1;
hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
hadc.Init.Resolution = ADC_RESOLUTION_12B;
hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD;
hadc.Init.EOCSelection = ADC_EOC_SEQ_CONV;
hadc.Init.LowPowerAutoWait = DISABLE;
hadc.Init.LowPowerAutoPowerOff = DISABLE;
hadc.Init.ContinuousConvMode = ENABLE;
hadc.Init.DiscontinuousConvMode = DISABLE;
hadc.Init.ExternalTrigConv = ADC_SOFTWARE_START;
hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
hadc.Init.DMAContinuousRequests = ENABLE;
hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
HAL_ADC_Init(&hadc);
sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
sConfig.SamplingTime = ADC_SAMPLETIME_71CYCLES_5;
sConfig.Channel = ADC_CHANNEL_1;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_2;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_3;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_4;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_5;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_6;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_7;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
sConfig.Channel = ADC_CHANNEL_8;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
}
static void MX_USB_PCD_Init(void)
{
hpcd_USB_FS.Instance = USB;
hpcd_USB_FS.Init.dev_endpoints = 8;
hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
hpcd_USB_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
hpcd_USB_FS.Init.low_power_enable = DISABLE;
hpcd_USB_FS.Init.lpm_enable = DISABLE;
hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
HAL_PCD_Init(&hpcd_USB_FS);
}
static void MX_DMA_Init(void)
{
__HAL_RCC_DMA1_CLK_ENABLE();
HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
}
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_13, GPIO_PIN_RESET);
GPIO_InitStruct.Pin = GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
}
void Error_Handler(void)
{
while(1){
HAL_GPIO_WritePin(GPIOB,GPIO_PIN_13,1);
HAL_Delay(100);
HAL_GPIO_WritePin(GPIOB,GPIO_PIN_13,0);
HAL_Delay(100);
}
}
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