232 lines
6.7 KiB
C
232 lines
6.7 KiB
C
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#include "usbd.h"
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#include "usbd_cdc.h"
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#include "uart.h"
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#define USBD_BCD USB_2_0 // Version
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#define USBD_VID 0xFFFF // Vendor ID
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#define USBD_PID 0xFFFF // Product ID
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#define USBD_MAX_POWER 100 // unit in mA
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#define USBD_LANGID_STRING 0x0409 // English(US)
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#define ENB_CDC_CNT 1
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#if (ENB_CDC_CNT == 0 || ENB_CDC_CNT > 3)
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#error "The count of USB-Serial be 1 ~ 3."
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#endif
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/*
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* Descriptor
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****************************************************************************
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*/
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#define CDC0_IN_EP 0x81
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#define CDC0_OUT_EP 0x01
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#define CDC0_INT_EP 0x81+ENB_CDC_CNT
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#define CDC0_INTF_NUM 0
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#if (ENB_CDC_CNT > 1)
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#define CDC1_IN_EP 0x82
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#define CDC1_OUT_EP 0x02
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#define CDC1_INT_EP 0x82+ENB_CDC_CNT
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#define CDC1_INTF_NUM 2
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#endif
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#if (ENB_CDC_CNT > 2)
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#define CDC2_IN_EP 0x83
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#define CDC2_OUT_EP 0x03
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#define CDC2_INT_EP 0x83+ENB_CDC_CNT
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#define CDC2_INTF_NUM 4
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#endif
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#define USB_CDC_INTF_CNT (2 * ENB_CDC_CNT) // Cmd Intf + Data Intf
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#define USB_CDC_INTF_END (USB_CDC_INTF_CNT - 1)
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#define USB_CDC_CONFIG_SIZE (9 + CDC_ACM_DESCRIPTOR_LEN * ENB_CDC_CNT)
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/*!< cdc device descriptor */
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static const uint8_t cdc_descriptor[] = {
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/* Descriptor - Device (Size:18) */
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USB_DEVICE_DESCRIPTOR_INIT(USBD_BCD, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01),
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/* Descriptor - Configuration (Total Size:9+Intf_Size) */
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USB_CONFIG_DESCRIPTOR_INIT(USB_CDC_CONFIG_SIZE, USB_CDC_INTF_CNT, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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/* Descriptor - CDC Interface (Size:66) */
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CDC_ACM_DESCRIPTOR_INIT(0x00, CDC0_INT_EP, CDC0_OUT_EP, CDC0_IN_EP, 0x02),
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#if (ENB_CDC_CNT > 1)
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CDC_ACM_DESCRIPTOR_INIT(0x02, CDC1_INT_EP, CDC1_OUT_EP, CDC1_IN_EP, 0x02),
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#endif
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#if (ENB_CDC_CNT > 2)
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CDC_ACM_DESCRIPTOR_INIT(0x04, CDC2_INT_EP, CDC2_OUT_EP, CDC2_IN_EP, 0x02),
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#endif
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/* Descriptor - String */
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// String0 - Language ID (Size:4)
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USB_LANGID_INIT(USBD_LANGID_STRING),
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// String1 - iManufacturer
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0x02, /* bLength */
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USB_DESC_TYPE_STRING, /* bDescriptorType */
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// String2 - iProduct
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0x16, /* bLength */
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USB_DESC_TYPE_STRING, /* bDescriptorType */
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WCHAR('U'),
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WCHAR('S'),
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WCHAR('B'),
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WCHAR('-'),
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WCHAR('S'),
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WCHAR('e'),
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WCHAR('r'),
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WCHAR('i'),
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WCHAR('a'),
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WCHAR('l'),
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// String3 - iSerialNumber
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// 0x10, /* bLength */
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// USB_DESC_TYPE_STRING, /* bDescriptorType */
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// WCHAR('6'),
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// WCHAR('.'),
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// WCHAR('2'),
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// WCHAR('2'),
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// WCHAR('.'),
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// WCHAR('0'),
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// WCHAR('7'),
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/* Descriptor - Device Qualifier (Size:10) */
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#if (USBD_BCD == USB_2_0)
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USB_QUALIFIER_INIT(0x01),
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#endif
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/* Descriptor - EOF */
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0x00
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};
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/*
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* Configuration
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****************************************************************************
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*/
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static const usbd_ep_t endpoint_tab[] = {
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USBD_EP_T(CDC0_INT_EP, USB_EP_TYPE_INTERRUPT, CDC_INT_EP_MPS, NULL),
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USBD_EP_T(CDC0_OUT_EP, USB_EP_TYPE_BULK, CDC_BULK_EP_MPS, &usbd_cdc_bulk_out_handler),
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USBD_EP_T(CDC0_IN_EP, USB_EP_TYPE_BULK, CDC_BULK_EP_MPS, &usbd_cdc_bulk_in_handler),
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#if (ENB_CDC_CNT > 1)
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USBD_EP_T(CDC1_INT_EP, USB_EP_TYPE_INTERRUPT, CDC_INT_EP_MPS, NULL),
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USBD_EP_T(CDC1_OUT_EP, USB_EP_TYPE_BULK, CDC_BULK_EP_MPS, &usbd_cdc_bulk_out_handler),
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USBD_EP_T(CDC1_IN_EP, USB_EP_TYPE_BULK, CDC_BULK_EP_MPS, &usbd_cdc_bulk_in_handler),
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#endif
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#if (ENB_CDC_CNT > 2)
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USBD_EP_T(CDC2_INT_EP, USB_EP_TYPE_INTERRUPT, CDC_INT_EP_MPS, NULL),
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USBD_EP_T(CDC2_OUT_EP, USB_EP_TYPE_BULK, CDC_BULK_EP_MPS, &usbd_cdc_bulk_out_handler),
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USBD_EP_T(CDC2_IN_EP, USB_EP_TYPE_BULK, CDC_BULK_EP_MPS, &usbd_cdc_bulk_in_handler),
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#endif
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};
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static const usbd_class_t class_tab[] = {
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USBD_CLASS_T(0, USB_CDC_INTF_END, &usbd_cdc_class_handler),
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};
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static const usbd_config_t cdc_configuration[] = {
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USBD_CONFIG_T(1, USB_CDC_INTF_CNT, class_tab, endpoint_tab)
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};
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/*
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* Handlers
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****************************************************************************
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*/
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volatile uint8_t dtr_enable = 0;
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void usbd_cdc_updated(usbd_cdc_t *cdc, uint8_t type)
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{
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if (type == CDC_LINE_STATE) {
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USB_LOG_RAW("CDC Update(ep:0x%02X,<DTR:0x%x,RTS:0x%x>)\r\n", cdc->ep_in, (cdc->line_state & 0x01), (cdc->line_state & 0x02));
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dtr_enable = cdc->line_state;
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} else {
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USB_LOG_RAW("CDC Update(ep:0x%02X,<Rate:%d,DataBits:%d,Parity:%d,StopBits:%d>)\r\n", cdc->ep_in,
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cdc->line_coding.dwDTERate, cdc->line_coding.bDataBits,
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cdc->line_coding.bParityType, cdc->line_coding.bCharFormat);
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}
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}
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void usbd_cdc_bulk_out_handler(uint8_t ep)
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{
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uint16_t read_byte;
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uint8_t data[CDC_BULK_EP_MPS];
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read_byte = usbd_ep_read(ep, CDC_BULK_EP_MPS, data);
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USB_LOG_RAW("CDC Bulk Out(ep:%d,len:%d)\r\n", ep, read_byte);
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/*!< here you can output data to hardware */
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for (uint8_t i = 0; i < read_byte; i++) {
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uart_putc(0, data[i]);
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}
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}
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__USBIRQ void usbd_notify_handler(uint8_t event, void *arg)
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{
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switch (event) {
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case USBD_EVENT_RESET:
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usbd_cdc_reset();
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break;
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default:
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break;
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}
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}
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/*
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* Test Functions
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****************************************************************************
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*/
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#define CDC_BULK_TX_SIZE (CDC_BULK_EP_MPS-1)
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uint8_t cdc_bulk_buff[CDC_BULK_TX_SIZE];
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void usbdInit(void)
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{
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usbd_init();
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usbd_register(cdc_descriptor, cdc_configuration);
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usbd_cdc_init(0, CDC0_INTF_NUM, CDC0_IN_EP);
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#if (ENB_CDC_CNT > 1)
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usbd_cdc_init(1, CDC1_INTF_NUM, CDC1_IN_EP);
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#endif
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#if (ENB_CDC_CNT > 2)
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usbd_cdc_init(2, CDC2_INTF_NUM, CDC2_IN_EP);
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#endif
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for (uint8_t i = 0; i < CDC_BULK_TX_SIZE; i++) {
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cdc_bulk_buff[i] = '0' + i;
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}
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}
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void usbdTest(void)
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{
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if (!usbd_is_configured())
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return;
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if (dtr_enable)
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{
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uint8_t status;
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status = usbd_cdc_ep_send(CDC0_IN_EP, CDC_BULK_TX_SIZE, cdc_bulk_buff);
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USB_LOG_RAW("CDC0 Send(sta:%d,len:%d)\r\n", status, CDC_BULK_TX_SIZE);
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#if (ENB_CDC_CNT > 1)
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status = usbd_cdc_ep_send(CDC1_IN_EP, CDC_BULK_TX_SIZE, cdc_bulk_buff);
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USB_LOG_RAW("CDC1 Send(sta:%d,len:%d)\r\n", status, CDC_BULK_TX_SIZE);
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#endif
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#if (ENB_CDC_CNT > 2)
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status = usbd_cdc_ep_send(CDC2_IN_EP, CDC_BULK_TX_SIZE, cdc_bulk_buff);
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USB_LOG_RAW("CDC2 Send(sta:%d,len:%d)\r\n", status, CDC_BULK_TX_SIZE);
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#endif
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}
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}
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