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| author | Jan--Henrik <janhenrik@janhenrik.org> | 2020-04-19 01:19:00 +0200 |
|---|---|---|
| committer | Jan--Henrik <janhenrik@janhenrik.org> | 2020-04-19 01:19:00 +0200 |
| commit | 41b62453ea960dc9bb6bd428f34c933ec2c5b080 (patch) | |
| tree | 106e43b79b549064dac7b2e112d906bb94c409c2 /midi-dials/Src | |
| parent | dfee6261c472499e6874daaa1d002da93999ca4f (diff) | |
| download | minikbd-41b62453ea960dc9bb6bd428f34c933ec2c5b080.tar.gz minikbd-41b62453ea960dc9bb6bd428f34c933ec2c5b080.tar.bz2 minikbd-41b62453ea960dc9bb6bd428f34c933ec2c5b080.zip | |
added midi control-channel demo
Diffstat (limited to 'midi-dials/Src')
| -rw-r--r-- | midi-dials/Src/main.c | 69 |
1 files changed, 59 insertions, 10 deletions
diff --git a/midi-dials/Src/main.c b/midi-dials/Src/main.c index d8cdcca..a97c42d 100644 --- a/midi-dials/Src/main.c +++ b/midi-dials/Src/main.c @@ -1,12 +1,14 @@ #include "main.h"
#include "usb_device.h"
-#include "usbd_midi_if.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;
@@ -19,7 +21,13 @@ static void MX_DMA_Init(void); static void MX_ADC_Init(void);
static void MX_USB_PCD_Init(void);
-uint16_t ADCval[8];
+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)
{
@@ -32,14 +40,58 @@ int main(void) MX_ADC_Init();
MX_USB_MIDI_INIT();
- HAL_ADC_Start_DMA(&hadc, ADCval, 8);
+ 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)
{
- HAL_GPIO_WritePin(GPIOB,GPIO_PIN_13,1);
- HAL_Delay(1000);
- HAL_GPIO_WritePin(GPIOB,GPIO_PIN_13,0);
- HAL_Delay(1000);
+ 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);
+
+
}
}
@@ -90,11 +142,8 @@ static void MX_ADC_Init(void) hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED;
HAL_ADC_Init(&hadc);
- sConfig.Channel = ADC_CHANNEL_0;
sConfig.Rank = ADC_RANK_CHANNEL_NUMBER;
sConfig.SamplingTime = ADC_SAMPLETIME_71CYCLES_5;
- HAL_ADC_ConfigChannel(&hadc, &sConfig);
-
sConfig.Channel = ADC_CHANNEL_1;
HAL_ADC_ConfigChannel(&hadc, &sConfig);
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