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cdc + midi composite device identified on PC!
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72 changes: 72 additions & 0 deletions
72
Middlewares/Third_Party/AL94_USB_Composite/COMPOSITE/App/usbd_midi_if.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,72 @@ | ||
| #include "usbd_midi_if.h" | ||
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| #define MIDI_RX_DATA_SIZE MIDI_EPOUT_SIZE | ||
| static uint8_t usb_rx_buffer[MIDI_RX_DATA_SIZE] = {0}; | ||
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| extern USBD_HandleTypeDef hUsbDevice; | ||
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| static int8_t MIDI_Init(void); | ||
| static int8_t MIDI_DeInit(void); | ||
| static int8_t MIDI_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length); | ||
| static int8_t MIDI_Receive(uint8_t *pbuf, uint32_t *Len); | ||
| static int8_t MIDI_TransmitCplt(uint8_t *Buf, uint32_t *Len, uint8_t epnum); | ||
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| USBD_MIDI_ItfTypeDef USBD_MIDI_fops = {MIDI_Init, | ||
| MIDI_DeInit, | ||
| MIDI_Control, | ||
| MIDI_Receive, | ||
| MIDI_TransmitCplt}; | ||
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| #include "lib/caw.h" | ||
| static int8_t MIDI_Init(void){ | ||
| Caw_printf("midi init\n\r"); | ||
| USBD_MIDI_SetRxBuffer(&hUsbDevice, usb_rx_buffer); | ||
| return (USBD_OK); | ||
| } | ||
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| static int8_t MIDI_DeInit(void){ | ||
| return (USBD_OK); | ||
| } | ||
| static int8_t MIDI_Control(uint8_t cmd, uint8_t *pbuf, uint16_t length){ | ||
| Caw_printf("midi control\n\r"); | ||
| return (USBD_OK); | ||
| } | ||
| static int8_t MIDI_Receive(uint8_t *pbuf, uint32_t *Len){ | ||
| Caw_printf("midi receive\n\r"); | ||
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| uint32_t len = *Len; | ||
| // handle len worth of bytes in pbuf | ||
| // just print to Caw for now | ||
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| memset(usb_rx_buffer, 0, MIDI_RX_DATA_SIZE); | ||
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| return (USBD_OK); | ||
| } | ||
| static int8_t MIDI_TransmitCplt(uint8_t *Buf, uint32_t *Len, uint8_t epnum){ | ||
| Caw_printf("midi txcplt\n\r"); | ||
| return (USBD_OK); | ||
| } | ||
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| uint8_t USBD_MIDI_GetDeviceState(USBD_HandleTypeDef *pdev){ | ||
| return pdev->dev_state; | ||
| } | ||
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| uint8_t USBD_MIDI_GetState(USBD_HandleTypeDef *pdev){ | ||
| USBD_MIDI_HandleTypeDef *hmidi = (USBD_MIDI_HandleTypeDef*)pdev->pClassData_MIDI; | ||
| return hmidi->state; | ||
| } | ||
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| uint8_t USBD_MIDI_SendReport(USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len){ | ||
| USBD_MIDI_HandleTypeDef *hmidi = (USBD_MIDI_HandleTypeDef*)pdev->pClassData_MIDI; | ||
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| if (pdev->dev_state == USBD_STATE_CONFIGURED){ | ||
| if(hmidi->state == MIDI_IDLE){ | ||
| hmidi->state = MIDI_BUSY; | ||
| USBD_LL_Transmit (pdev, MIDI_EPIN_ADDR, report, len); | ||
| } | ||
| } | ||
| return USBD_OK; | ||
| } |
9 changes: 9 additions & 0 deletions
9
Middlewares/Third_Party/AL94_USB_Composite/COMPOSITE/App/usbd_midi_if.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| #pragma once | ||
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| #include "usbd_midi.h" | ||
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| extern USBD_MIDI_ItfTypeDef USBD_MIDI_fops; | ||
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| uint8_t USBD_MIDI_GetDeviceState(USBD_HandleTypeDef *pdev); | ||
| uint8_t USBD_MIDI_GetState(USBD_HandleTypeDef *pdev); | ||
| uint8_t USBD_MIDI_SendReport (USBD_HandleTypeDef *pdev, uint8_t *report, uint16_t len); |
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