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luban-lite/packages/third-party/cherryusb/port/ch32/usb_dc_usbhs.c
刘可亮 564e22b32f v0.7.5
2023-08-28 09:48:01 +08:00

431 lines
14 KiB
C
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#include "usbd_core.h"
#include "usb_ch32_usbhs_reg.h"
#ifndef USBD_IRQHandler
#define USBD_IRQHandler USBHS_IRQHandler //use actual usb irq name instead
#endif
#ifndef USB_NUM_BIDIR_ENDPOINTS
#define USB_NUM_BIDIR_ENDPOINTS 8
#endif
/* Endpoint state */
struct usb_dc_ep_state {
/** Endpoint max packet size */
uint16_t ep_mps;
/** Endpoint Transfer Type.
* May be Bulk, Interrupt, Control or Isochronous
*/
uint8_t ep_type;
uint8_t ep_stalled; /** Endpoint stall flag */
};
/* Driver state */
struct usb_dc_config_priv {
volatile uint8_t dev_addr;
struct usb_dc_ep_state in_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< IN endpoint parameters*/
struct usb_dc_ep_state out_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< OUT endpoint parameters */
} usb_dc_cfg;
// clang-format off
/* Endpoint Buffer */
__attribute__ ((aligned(4))) uint8_t EP0_DatabufHD[64]; //ep0(64)
__attribute__ ((aligned(4))) uint8_t EP1_DatabufHD[512+512]; //ep1_out(64)+ep1_in(64)
__attribute__ ((aligned(4))) uint8_t EP2_DatabufHD[512+512]; //ep2_out(64)+ep2_in(64)
// clang-format on
void USBHS_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
volatile uint8_t mps_over_flag = 0;
volatile uint8_t USBHS_Dev_Endp0_Tog = 0x01; /* USB2.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>豸<EFBFBD>˵<EFBFBD>0ͬ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־ */
__WEAK void usb_dc_low_level_init(void)
{
}
__WEAK void usb_dc_low_level_deinit(void)
{
}
int usb_dc_init(void)
{
memset(&usb_dc_cfg, 0, sizeof(struct usb_dc_config_priv));
usb_dc_low_level_init();
USBHS_DEVICE->HOST_CTRL = 0x00;
USBHS_DEVICE->HOST_CTRL = USBHS_SUSPEND_EN;
USBHS_DEVICE->CONTROL = 0;
#if 1
USBHS_DEVICE->CONTROL = USBHS_DMA_EN | USBHS_INT_BUSY_EN | USBHS_HIGH_SPEED;
#else
USBHS_DEVICE->CONTROL = USBHS_DMA_EN | USBHS_INT_BUSY_EN | USBHS_FULL_SPEED;
#endif
USBHS_DEVICE->INT_EN = 0;
USBHS_DEVICE->INT_EN = USBHS_SETUP_ACT_EN | USBHS_TRANSFER_EN | USBHS_DETECT_EN | USBHS_SUSPEND_EN;
/* ALL endpoint enable */
USBHS_DEVICE->ENDP_CONFIG = 0xffffffff;
USBHS_DEVICE->ENDP_CONFIG = USBHS_EP0_T_EN | USBHS_EP0_R_EN | USBHS_EP1_T_EN | USBHS_EP2_T_EN | USBHS_EP1_R_EN | USBHS_EP2_R_EN;
USBHS_DEVICE->ENDP_TYPE = 0x00;
USBHS_DEVICE->BUF_MODE = 0x00;
USBHS_DEVICE->UEP0_MAX_LEN = 64;
USBHS_DEVICE->UEP1_MAX_LEN = 512;
USBHS_DEVICE->UEP2_MAX_LEN = 512;
USBHS_DEVICE->UEP3_MAX_LEN = 512;
USBHS_DEVICE->UEP4_MAX_LEN = 512;
USBHS_DEVICE->UEP5_MAX_LEN = 512;
USBHS_DEVICE->UEP6_MAX_LEN = 512;
USBHS_DEVICE->UEP7_MAX_LEN = 512;
USBHS_DEVICE->UEP8_MAX_LEN = 512;
USBHS_DEVICE->UEP9_MAX_LEN = 512;
USBHS_DEVICE->UEP10_MAX_LEN = 512;
USBHS_DEVICE->UEP11_MAX_LEN = 512;
USBHS_DEVICE->UEP12_MAX_LEN = 512;
USBHS_DEVICE->UEP13_MAX_LEN = 512;
USBHS_DEVICE->UEP14_MAX_LEN = 512;
USBHS_DEVICE->UEP15_MAX_LEN = 512;
USBHS_DEVICE->UEP0_DMA = (uint32_t)EP0_DatabufHD;
USBHS_DEVICE->UEP1_TX_DMA = (uint32_t)&EP1_DatabufHD[512];
USBHS_DEVICE->UEP1_RX_DMA = (uint32_t)&EP1_DatabufHD[0];
USBHS_DEVICE->UEP2_TX_DMA = (uint32_t)&EP2_DatabufHD[512];
USBHS_DEVICE->UEP2_RX_DMA = (uint32_t)&EP2_DatabufHD[0];
USBHS_DEVICE->UEP0_TX_LEN = 0;
USBHS_DEVICE->UEP0_TX_CTRL = USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP1_TX_LEN = 0;
USBHS_DEVICE->UEP1_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP1_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP2_TX_LEN = 0;
USBHS_DEVICE->UEP2_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP2_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP3_TX_LEN = 0;
USBHS_DEVICE->UEP3_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP3_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP4_TX_LEN = 0;
USBHS_DEVICE->UEP4_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP4_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP5_TX_LEN = 0;
USBHS_DEVICE->UEP5_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP5_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP6_TX_LEN = 0;
USBHS_DEVICE->UEP6_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP6_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP7_TX_LEN = 0;
USBHS_DEVICE->UEP7_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP7_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP8_TX_LEN = 0;
USBHS_DEVICE->UEP8_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP8_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP9_TX_LEN = 0;
USBHS_DEVICE->UEP9_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP9_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP10_TX_LEN = 0;
USBHS_DEVICE->UEP10_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP10_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP11_TX_LEN = 0;
USBHS_DEVICE->UEP11_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP11_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP12_TX_LEN = 0;
USBHS_DEVICE->UEP12_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP12_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP13_TX_LEN = 0;
USBHS_DEVICE->UEP13_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP13_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP14_TX_LEN = 0;
USBHS_DEVICE->UEP14_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP14_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->UEP15_TX_LEN = 0;
USBHS_DEVICE->UEP15_TX_CTRL = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
USBHS_DEVICE->UEP15_RX_CTRL = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
USBHS_DEVICE->CONTROL |= USBHS_DEV_PU_EN;
return 0;
}
int usb_dc_deinit(void)
{
return 0;
}
int usbd_set_address(const uint8_t addr)
{
if (addr == 0) {
USBHS_DEVICE->DEV_AD = addr & 0xff;
}
usb_dc_cfg.dev_addr = addr;
return 0;
}
int usbd_ep_open(const struct usbd_endpoint_cfg *ep_cfg)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep_cfg->ep_addr);
if (USB_EP_DIR_IS_OUT(ep_cfg->ep_addr)) {
usb_dc_cfg.out_ep[ep_idx].ep_mps = ep_cfg->ep_mps;
usb_dc_cfg.out_ep[ep_idx].ep_type = ep_cfg->ep_type;
} else {
usb_dc_cfg.in_ep[ep_idx].ep_mps = ep_cfg->ep_mps;
usb_dc_cfg.in_ep[ep_idx].ep_type = ep_cfg->ep_type;
}
return 0;
}
int usbd_ep_close(const uint8_t ep)
{
return 0;
}
int usbd_ep_set_stall(const uint8_t ep)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
if (USB_EP_DIR_IS_OUT(ep)) {
switch (ep_idx) {
case 0:
USBHS_DEVICE->UEP0_RX_CTRL = USBHS_EP_R_RES_STALL;
break;
case 1:
USBHS_DEVICE->UEP1_RX_CTRL = (USBHS_DEVICE->UEP1_RX_CTRL & ~USBHS_EP_R_RES_MASK) | USBHS_EP_R_RES_STALL;
break;
case 2:
USBHS_DEVICE->UEP2_RX_CTRL = (USBHS_DEVICE->UEP2_RX_CTRL & ~USBHS_EP_R_RES_MASK) | USBHS_EP_R_RES_STALL;
break;
default:
break;
}
} else {
switch (ep_idx) {
case 0:
USBHS_DEVICE->UEP0_TX_LEN = 0;
USBHS_DEVICE->UEP0_TX_CTRL = USBHS_EP_T_RES_STALL;
break;
case 1:
USBHS_DEVICE->UEP1_TX_CTRL = (USBHS_DEVICE->UEP1_TX_CTRL & ~USBHS_EP_T_RES_MASK) | USBHS_EP_T_RES_STALL;
break;
case 2:
USBHS_DEVICE->UEP2_TX_CTRL = (USBHS_DEVICE->UEP2_TX_CTRL & ~USBHS_EP_T_RES_MASK) | USBHS_EP_T_RES_STALL;
break;
default:
break;
}
}
return 0;
}
int usbd_ep_clear_stall(const uint8_t ep)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
if (USB_EP_DIR_IS_OUT(ep)) {
switch (ep_idx) {
case 0:
break;
case 1:
/* SET Endp1 Rx to USBHS_EP_R_RES_NAK;USBHS_EP_R_TOG_0 */
USBHS_DEVICE->UEP1_RX_CTRL = USBHS_EP_R_RES_ACK | USBHS_EP_R_TOG_0;
break;
case 2:
/* SET Endp2 Rx to USBHS_EP_R_RES_ACK;USBHS_EP_R_TOG_0 */
USBHS_DEVICE->UEP2_TX_CTRL = USBHS_EP_R_RES_ACK | USBHS_EP_R_TOG_0;
break;
default:
break;
}
} else {
switch (ep_idx) {
case 0:
break;
case 1:
/* SET Endp1 Tx to USBHS_EP_T_RES_NAK;USBHS_EP_T_TOG_0;len = 0 */
USBHS_DEVICE->UEP1_TX_LEN = 0;
USBHS_DEVICE->UEP1_TX_CTRL = USBHS_EP_T_RES_NAK | USBHS_EP_T_TOG_0;
break;
case 2:
/* SET Endp2 Tx to USBHS_EP_T_RES_NAK;USBHS_EP_T_TOG_0;len = 0 */
USBHS_DEVICE->UEP2_TX_LEN = 0;
USBHS_DEVICE->UEP2_TX_CTRL = USBHS_EP_T_RES_NAK | USBHS_EP_T_TOG_0;
break;
default:
break;
}
}
return 0;
}
int usbd_ep_is_stalled(const uint8_t ep, uint8_t *stalled)
{
return 0;
}
int usbd_ep_write(const uint8_t ep, const uint8_t *data, uint32_t data_len, uint32_t *ret_bytes)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
if (!data && data_len) {
return -1;
}
if (!data_len) {
switch (ep_idx) {
case 0:
USBHS_DEVICE->UEP0_TX_LEN = 0;
USBHS_DEVICE->UEP0_TX_CTRL = USBHS_EP_T_RES_ACK | USBHS_EP_T_TOG_1;
break;
case 1:
USBHS_DEVICE->UEP1_TX_LEN = 0;
break;
case 2:
USBHS_DEVICE->UEP2_TX_LEN = 0;
break;
default:
break;
}
return 0;
}
if (data_len > usb_dc_cfg.in_ep[ep_idx].ep_mps) {
data_len = usb_dc_cfg.in_ep[ep_idx].ep_mps;
}
switch (ep_idx) {
case 0:
memcpy(&EP0_DatabufHD[0], data, data_len);
USBHS_DEVICE->UEP0_TX_LEN = data_len;
USBHS_DEVICE->UEP0_TX_CTRL = USBHS_EP_T_RES_ACK | (USBHS_Dev_Endp0_Tog ? USBHS_EP_T_TOG_0 : USBHS_EP_T_TOG_1);
USBHS_Dev_Endp0_Tog ^= 1;
break;
case 1:
memcpy(&EP1_DatabufHD[512], data, data_len);
USBHS_DEVICE->UEP1_TX_LEN = data_len;
USBHS_DEVICE->UEP1_TX_CTRL = (USBHS_DEVICE->UEP1_TX_CTRL & ~(USBHS_EP_T_RES_MASK | USBHS_EP_T_LEN_MASK | USBHS_EP_T_TOG_MASK)) | USBHS_EP_T_RES_ACK;
//USBHS_DEVICE->UEP1_TX_CTRL |= ( USBHS_Endp1_T_Tog ? USBHS_EP_T_TOG_1 : USBHS_EP_T_TOG_0 );
break;
case 2:
memcpy(&EP2_DatabufHD[512], data, data_len);
USBHS_DEVICE->UEP2_TX_LEN = data_len;
USBHS_DEVICE->UEP2_TX_CTRL = (USBHS_DEVICE->UEP2_TX_CTRL & ~(USBHS_EP_T_RES_MASK | USBHS_EP_T_LEN_MASK | USBHS_EP_T_TOG_MASK)) | USBHS_EP_T_RES_ACK;
//USBHS_DEVICE->UEP2_TX_CTRL |= ( USBHS_Endp2_T_Tog ? USBHS_EP_T_TOG_1 : USBHS_EP_T_TOG_0 );
break;
default:
break;
}
if (ret_bytes) {
*ret_bytes = data_len;
}
return 0;
}
int usbd_ep_read(const uint8_t ep, uint8_t *data, uint32_t max_data_len, uint32_t *read_bytes)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
uint32_t read_count;
if (!data && max_data_len) {
return -1;
}
if (!max_data_len) {
return 0;
}
read_count = USBHS_DEVICE->RX_LEN;
read_count = MIN(read_count, max_data_len);
switch (ep_idx) {
case 0:
if ((max_data_len == 8) && !read_bytes) {
read_count = 8;
memcpy(data, &EP0_DatabufHD[0], 8);
} else {
memcpy(data, &EP0_DatabufHD[0], read_count);
}
break;
case 1:
memcpy(data, &EP1_DatabufHD[0], read_count);
break;
case 2:
memcpy(data, &EP2_DatabufHD[0], read_count);
break;
default:
break;
}
if (read_bytes) {
*read_bytes = read_count;
}
return 0;
}
void USBD_IRQHandler(void)
{
uint32_t end_num, rx_token;
uint8_t intflag = 0;
intflag = USBHS_DEVICE->INT_FG;
if (intflag & USBHS_TRANSFER_FLAG) {
end_num = (USBHS_DEVICE->INT_ST) & MASK_UIS_ENDP;
rx_token = (((USBHS_DEVICE->INT_ST) & MASK_UIS_TOKEN) >> 4) & 0x03;
if (end_num == 0) {
if (rx_token == PID_IN) {
usbd_event_notify_handler(USBD_EVENT_EP0_IN_NOTIFY, NULL);
if (usb_dc_cfg.dev_addr > 0) {
USBHS_DEVICE->DEV_AD = usb_dc_cfg.dev_addr & 0xff;
usb_dc_cfg.dev_addr = 0;
}
} else if (rx_token == PID_OUT) {
usbd_event_notify_handler(USBD_EVENT_EP0_OUT_NOTIFY, NULL);
USBHS_DEVICE->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK | USBHS_EP_R_TOG_1;
}
} else if (end_num == 1) {
if (rx_token == PID_IN) {
//USBHS_Endp1_Up_Flag = 0x00;
/* Ĭ<>ϻ<EFBFBD>NAK */
USBHS_DEVICE->UEP1_TX_CTRL = (USBHS_DEVICE->UEP1_TX_CTRL & ~(USBHS_EP_T_RES_MASK | USBHS_EP_T_TOG_MASK)) | USBHS_EP_T_RES_NAK | USBHS_EP_T_TOG_0;
} else if (rx_token == PID_OUT) {
}
} else if (end_num == 2) {
if (rx_token == PID_IN) {
} else if (rx_token == PID_OUT) {
}
}
USBHS_DEVICE->INT_FG = USBHS_TRANSFER_FLAG;
} else if (intflag & USBHS_SETUP_FLAG) {
usbd_event_notify_handler(USBD_EVENT_SETUP_NOTIFY, NULL);
USBHS_DEVICE->INT_FG = USBHS_SETUP_FLAG;
} else if (intflag & USBHS_DETECT_FLAG) {
usbd_event_notify_handler(USBD_EVENT_RESET, NULL);
USBHS_DEVICE->INT_FG = USBHS_DETECT_FLAG;
}
printf("reset\r\n");
}
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