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support Bidirectional ep transfer for usb_fs

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This commit is contained in:
sakumisu
2022-07-31 10:26:19 +08:00
parent 139c2307f9
commit 7dd7285e3a
1 changed files with 17 additions and 8 deletions
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25
port/ch32/usb_dc_usbfs.c
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@@ -38,8 +38,9 @@ struct ch32_usbfs_ep_state {
struct ch32_usbfs_udc {
__attribute__((aligned(4))) struct usb_setup_packet setup;
volatile uint8_t dev_addr;
struct ch32_usbfs_ep_state in_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< IN endpoint parameters*/
struct ch32_usbfs_ep_state out_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< OUT endpoint parameters */
struct ch32_usbfs_ep_state in_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< IN endpoint parameters*/
struct ch32_usbfs_ep_state out_ep[USB_NUM_BIDIR_ENDPOINTS]; /*!< OUT endpoint parameters */
__attribute__((aligned(4))) uint8_t ep_databuf[USB_NUM_BIDIR_ENDPOINTS - 1][64 + 64]; //epx_out(64)+epx_in(64)
} g_ch32_usbfs_udc;
volatile bool ep0_rx_data_toggle;
@@ -68,6 +69,14 @@ int usb_dc_init(void)
USBFS_DEVICE->UEP5_6_MOD = USBFS_UEP5_RX_EN | USBFS_UEP5_TX_EN | USBFS_UEP6_RX_EN | USBFS_UEP6_TX_EN;
USBFS_DEVICE->UEP7_MOD = USBFS_UEP7_RX_EN | USBFS_UEP7_TX_EN;
USBFS_DEVICE->UEP1_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[0];
USBFS_DEVICE->UEP2_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[1];
USBFS_DEVICE->UEP3_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[2];
USBFS_DEVICE->UEP4_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[3];
USBFS_DEVICE->UEP5_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[4];
USBFS_DEVICE->UEP6_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[5];
USBFS_DEVICE->UEP7_DMA = (uint32_t)g_ch32_usbfs_udc.ep_databuf[6];
USBFS_DEVICE->INT_FG = 0xFF;
USBFS_DEVICE->INT_EN = USBFS_UIE_SUSPEND | USBFS_UIE_BUS_RST | USBFS_UIE_TRANSFER;
USBFS_DEVICE->DEV_ADDR = 0x00;
@@ -150,6 +159,7 @@ int usbd_ep_clear_stall(const uint8_t ep)
}
return 0;
}
int usbd_ep_is_stalled(const uint8_t ep, uint8_t *stalled)
{
return 0;
@@ -158,7 +168,6 @@ int usbd_ep_is_stalled(const uint8_t ep, uint8_t *stalled)
int usbd_ep_start_write(const uint8_t ep, const uint8_t *data, uint32_t data_len)
{
uint8_t ep_idx = USB_EP_GET_IDX(ep);
uint32_t tmp;
if (!data && data_len) {
return -1;
@@ -193,7 +202,7 @@ int usbd_ep_start_write(const uint8_t ep, const uint8_t *data, uint32_t data_len
} else {
data_len = MIN(data_len, g_ch32_usbfs_udc.in_ep[ep_idx].ep_mps);
USB_SET_TX_LEN(ep_idx, data_len);
USB_SET_DMA(ep_idx, (uint32_t)data);
memcpy(&g_ch32_usbfs_udc.ep_databuf[ep_idx - 1][64], data, data_len);
}
USB_SET_TX_CTRL(ep_idx, (USB_GET_TX_CTRL(ep_idx) & ~USBFS_UEP_T_RES_MASK) | USBFS_UEP_T_RES_ACK);
}
@@ -229,7 +238,6 @@ int usbd_ep_start_read(const uint8_t ep, uint8_t *data, uint32_t data_len)
}
return 0;
} else {
USB_SET_DMA(ep_idx, (uint32_t)data);
USB_SET_RX_CTRL(ep_idx, (USB_GET_RX_CTRL(ep_idx) & ~USBFS_UEP_R_RES_MASK) | USBFS_UEP_R_RES_ACK);
}
@@ -238,7 +246,7 @@ int usbd_ep_start_read(const uint8_t ep, uint8_t *data, uint32_t data_len)
void USBD_IRQHandler(void)
{
uint32_t ep_idx, token, write_count, read_count;
uint32_t ep_idx = 0, token, write_count, read_count;
uint8_t intflag = 0;
intflag = USBFS_DEVICE->INT_FG;
@@ -293,7 +301,7 @@ void USBD_IRQHandler(void)
write_count = MIN(g_ch32_usbfs_udc.in_ep[ep_idx].xfer_len, g_ch32_usbfs_udc.in_ep[ep_idx].ep_mps);
USB_SET_TX_LEN(ep_idx, write_count);
USB_SET_DMA(ep_idx, (uint32_t)g_ch32_usbfs_udc.in_ep[ep_idx].xfer_buf);
memcpy(&g_ch32_usbfs_udc.ep_databuf[ep_idx - 1][64], g_ch32_usbfs_udc.in_ep[ep_idx].xfer_buf, write_count);
USB_SET_TX_CTRL(ep_idx, (USB_GET_TX_CTRL(ep_idx) & ~USBFS_UEP_T_RES_MASK) | USBFS_UEP_T_RES_ACK);
} else {
@@ -328,6 +336,8 @@ void USBD_IRQHandler(void)
USB_SET_RX_CTRL(ep_idx, (USB_GET_RX_CTRL(ep_idx) & ~USBFS_UEP_R_RES_MASK) | USBFS_UEP_R_RES_NAK);
read_count = USBFS_DEVICE->RX_LEN;
memcpy(g_ch32_usbfs_udc.out_ep[ep_idx].xfer_buf, &g_ch32_usbfs_udc.ep_databuf[ep_idx - 1][0], read_count);
g_ch32_usbfs_udc.out_ep[ep_idx].xfer_buf += read_count;
g_ch32_usbfs_udc.out_ep[ep_idx].actual_xfer_len += read_count;
g_ch32_usbfs_udc.out_ep[ep_idx].xfer_len -= read_count;
@@ -335,7 +345,6 @@ void USBD_IRQHandler(void)
if ((read_count < g_ch32_usbfs_udc.out_ep[ep_idx].ep_mps) || (g_ch32_usbfs_udc.out_ep[ep_idx].xfer_len == 0)) {
usbd_event_ep_out_complete_handler(ep_idx, g_ch32_usbfs_udc.out_ep[ep_idx].actual_xfer_len);
} else {
USB_SET_DMA(ep_idx, (uint32_t)g_ch32_usbfs_udc.out_ep[ep_idx].xfer_buf);
USB_SET_RX_CTRL(ep_idx, (USB_GET_RX_CTRL(ep_idx) & ~USBFS_UEP_R_RES_MASK) | USBFS_UEP_R_RES_ACK);
}
}