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-rw-r--r--libmaple/usb/stm32f1/usb_reg_map.c20
-rw-r--r--libmaple/usb/stm32f1/usb_reg_map.h230
2 files changed, 226 insertions, 24 deletions
diff --git a/libmaple/usb/stm32f1/usb_reg_map.c b/libmaple/usb/stm32f1/usb_reg_map.c
index 75562e1..fbfca86 100644
--- a/libmaple/usb/stm32f1/usb_reg_map.c
+++ b/libmaple/usb/stm32f1/usb_reg_map.c
@@ -58,6 +58,26 @@ void usb_copy_from_pma(uint8 *buf, uint16 len, uint16 pma_offset) {
}
}
+void usb_set_ep_rx_buf0_count(uint8 ep, uint16 count) {
+ uint32 *rxc = usb_ep_tx_count_ptr(ep);
+ uint16 nblocks;
+ if (count > 62) {
+ /* use 32-byte memory block size */
+ nblocks = count >> 5;
+ if ((count & 0x1F) == 0) {
+ nblocks--;
+ }
+ *rxc = (nblocks << 10) | 0x8000;
+ } else {
+ /* use 2-byte memory block size */
+ nblocks = count >> 1;
+ if ((count & 0x1) != 0) {
+ nblocks++;
+ }
+ *rxc = nblocks << 10;
+ }
+}
+
void usb_set_ep_rx_count(uint8 ep, uint16 count) {
uint32 *rxc = usb_ep_rx_count_ptr(ep);
uint16 nblocks;
diff --git a/libmaple/usb/stm32f1/usb_reg_map.h b/libmaple/usb/stm32f1/usb_reg_map.h
index ea483d2..607b03b 100644
--- a/libmaple/usb/stm32f1/usb_reg_map.h
+++ b/libmaple/usb/stm32f1/usb_reg_map.h
@@ -88,6 +88,7 @@ typedef struct usb_reg_map {
#define USB_EP_EP_TYPE_ISO (0x2 << 9)
#define USB_EP_EP_TYPE_INTERRUPT (0x3 << 9)
#define USB_EP_EP_KIND BIT(USB_EP_EP_KIND_BIT)
+#define USB_EP_EP_DBL_BUF USB_EP_EP_KIND
#define USB_EP_CTR_TX BIT(USB_EP_CTR_TX_BIT)
#define USB_EP_DTOG_TX BIT(USB_EP_DTOG_TX_BIT)
#define USB_EP_STAT_TX (0x3 << 4)
@@ -205,6 +206,86 @@ static inline void usb_clear_ctr_tx(uint8 ep) {
USB_BASE->EP[ep] = epr & ~USB_EP_CTR_TX & __EP_NONTOGGLE;
}
+static inline uint32 usb_get_ep_dtog_tx(uint8 ep) {
+ uint32 epr = USB_BASE->EP[ep];
+ return epr & USB_EP_DTOG_TX;
+}
+
+static inline uint32 usb_get_ep_dtog_rx(uint8 ep) {
+ uint32 epr = USB_BASE->EP[ep];
+ return epr & USB_EP_DTOG_RX;
+}
+
+static inline uint32 usb_get_ep_tx_sw_buf(uint8 ep) {
+ return usb_get_ep_dtog_rx(ep);
+}
+
+static inline uint32 usb_get_ep_rx_sw_buf(uint8 ep) {
+ return usb_get_ep_dtog_tx(ep);
+}
+
+static inline void usb_toggle_ep_dtog_tx(uint8 ep) {
+ uint32 epr = USB_BASE->EP[ep];
+ epr &= __EP_NONTOGGLE;
+ epr |= USB_EP_DTOG_TX;
+ USB_BASE->EP[ep] = epr;
+}
+
+static inline void usb_toggle_ep_dtog_rx(uint8 ep) {
+ uint32 epr = USB_BASE->EP[ep];
+ epr &= __EP_NONTOGGLE;
+ epr |= USB_EP_DTOG_RX;
+ USB_BASE->EP[ep] = epr;
+}
+
+static inline void usb_clear_ep_dtog_tx(uint8 ep) {
+ if (usb_get_ep_dtog_tx(ep) != 0) {
+ usb_toggle_ep_dtog_tx(ep);
+ }
+}
+
+static inline void usb_clear_ep_dtog_rx(uint8 ep) {
+ if (usb_get_ep_dtog_rx(ep) != 0) {
+ usb_toggle_ep_dtog_rx(ep);
+ }
+}
+
+static inline void usb_set_ep_dtog_tx(uint8 ep) {
+ if (usb_get_ep_dtog_tx(ep) == 0) {
+ usb_toggle_ep_dtog_tx(ep);
+ }
+}
+
+static inline void usb_set_ep_dtog_rx(uint8 ep) {
+ if (usb_get_ep_dtog_rx(ep) == 0) {
+ usb_toggle_ep_dtog_rx(ep);
+ }
+}
+
+static inline void usb_toggle_ep_rx_sw_buf(uint8 ep) {
+ usb_toggle_ep_dtog_tx(ep);
+}
+
+static inline void usb_toggle_ep_tx_sw_buf(uint8 ep) {
+ usb_toggle_ep_dtog_rx(ep);
+}
+
+static inline void usb_clear_ep_rx_sw_buf(uint8 ep) {
+ usb_clear_ep_dtog_tx(ep);
+}
+
+static inline void usb_clear_ep_tx_sw_buf(uint8 ep) {
+ usb_clear_ep_dtog_rx(ep);
+}
+
+static inline void usb_set_ep_rx_sw_buf(uint8 ep) {
+ usb_set_ep_dtog_tx(ep);
+}
+
+static inline void usb_set_ep_tx_sw_buf(uint8 ep) {
+ usb_set_ep_dtog_rx(ep);
+}
+
static inline void usb_set_ep_rx_stat(uint8 ep, uint32 status) {
uint32 epr = USB_BASE->EP[ep];
epr &= ~(USB_EP_STAT_TX | USB_EP_DTOG_RX | USB_EP_DTOG_TX);
@@ -235,6 +316,17 @@ static inline void usb_set_ep_kind(uint8 ep, uint32 kind) {
USB_BASE->EP[ep] = epr;
}
+static inline uint32 usb_get_ep_type(uint8 ep) {
+ uint32 epr = USB_BASE->EP[ep];
+ return epr & USB_EP_EP_TYPE;
+}
+
+static inline uint32 usb_get_ep_kind(uint8 ep) {
+ uint32 epr = USB_BASE->EP[ep];
+ return epr & USB_EP_EP_TYPE;
+}
+
+
static inline void usb_clear_status_out(uint8 ep) {
usb_set_ep_kind(ep, 0);
}
@@ -275,42 +367,42 @@ union usb_btable_ent;
/* Bidirectional endpoint BTABLE entry */
typedef struct usb_btable_bidi {
- __io uint16 addr_tx; const uint16 PAD1;
- __io uint16 count_tx; const uint16 PAD2;
- __io uint16 addr_rx; const uint16 PAD3;
- __io uint16 count_rx; const uint16 PAD4;
+ __io uint16 addr_tx; const uint16 PAD1;
+ __io uint16 count_tx; const uint16 PAD2;
+ __io uint16 addr_rx; const uint16 PAD3;
+ __io uint16 count_rx; const uint16 PAD4;
} usb_btable_bidi;
/* Unidirectional receive-only endpoint BTABLE entry */
typedef struct usb_btable_uni_rx {
- __io uint16 empty1; const uint16 PAD1;
- __io uint16 empty2; const uint16 PAD2;
- __io uint16 addr_rx; const uint16 PAD3;
- __io uint16 count_rx; const uint16 PAD4;
+ __io uint16 empty1; const uint16 PAD1;
+ __io uint16 empty2; const uint16 PAD2;
+ __io uint16 addr_rx; const uint16 PAD3;
+ __io uint16 count_rx; const uint16 PAD4;
} usb_btable_uni_rx;
/* Unidirectional transmit-only endpoint BTABLE entry */
typedef struct usb_btable_uni_tx {
- __io uint16 addr_tx; const uint16 PAD1;
- __io uint16 count_tx; const uint16 PAD2;
- __io uint16 empty1; const uint16 PAD3;
- __io uint16 empty2; const uint16 PAD4;
+ __io uint16 addr_tx; const uint16 PAD1;
+ __io uint16 count_tx; const uint16 PAD2;
+ __io uint16 empty1; const uint16 PAD3;
+ __io uint16 empty2; const uint16 PAD4;
} usb_btable_uni_tx;
/* Double-buffered transmission endpoint BTABLE entry */
typedef struct usb_btable_dbl_tx {
- __io uint16 addr_tx0; const uint16 PAD1;
- __io uint16 count_tx0; const uint16 PAD2;
- __io uint16 addr_tx1; const uint16 PAD3;
- __io uint16 count_tx1; const uint16 PAD4;
+ __io uint16 addr_tx0; const uint16 PAD1;
+ __io uint16 count_tx0; const uint16 PAD2;
+ __io uint16 addr_tx1; const uint16 PAD3;
+ __io uint16 count_tx1; const uint16 PAD4;
} usb_btable_dbl_tx;
/* Double-buffered reception endpoint BTABLE entry */
typedef struct usb_btable_dbl_rx {
- __io uint16 addr_rx0; const uint16 PAD1;
- __io uint16 count_rx0; const uint16 PAD2;
- __io uint16 addr_rx1; const uint16 PAD3;
- __io uint16 count_rx1; const uint16 PAD4;
+ __io uint16 addr_rx0; const uint16 PAD1;
+ __io uint16 count_rx0; const uint16 PAD2;
+ __io uint16 addr_rx1; const uint16 PAD3;
+ __io uint16 count_rx1; const uint16 PAD4;
} usb_btable_dbl_rx;
/* TODO isochronous endpoint entries */
@@ -336,10 +428,6 @@ static inline uint32* usb_btable_ptr(uint32 offset) {
return (uint32*)usb_pma_ptr(USB_BASE->BTABLE + offset);
}
-static inline usb_btable_ent *usb_btable(void) {
- return (usb_btable_ent*)usb_btable_ptr(0);
-}
-
/* TX address */
static inline uint32* usb_ep_tx_addr_ptr(uint8 ep) {
@@ -399,6 +487,100 @@ static inline uint16 usb_get_ep_rx_count(uint8 ep) {
void usb_set_ep_rx_count(uint8 ep, uint16 count);
+/* double buffer definitions */
+static inline uint32* usb_get_ep_tx_buf0_addr_ptr(uint8 ep) {
+ return usb_ep_tx_addr_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_tx_buf0_addr(uint8 ep) {
+ return usb_get_ep_tx_addr(ep);
+}
+
+static inline void usb_set_ep_tx_buf0_addr(uint8 ep, uint16 addr) {
+ usb_set_ep_tx_addr(ep, addr);
+}
+
+static inline uint32* usb_get_ep_tx_buf1_addr_ptr(uint8 ep) {
+ return usb_ep_rx_addr_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_tx_buf1_addr(uint8 ep) {
+ return usb_get_ep_rx_addr(ep);
+}
+
+static inline void usb_set_ep_tx_buf1_addr(uint8 ep, uint16 addr) {
+ usb_set_ep_rx_addr(ep, addr);
+}
+
+static inline uint32* usb_ep_tx_buf0_count_ptr(uint8 ep) {
+ return usb_ep_tx_count_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_tx_buf0_count(uint8 ep) {
+ return usb_get_ep_tx_count(ep);
+}
+
+static inline void usb_set_ep_tx_buf0_count(uint8 ep, uint16 count) {
+ usb_set_ep_tx_count(ep, count);
+}
+
+static inline uint32* usb_ep_tx_buf1_count_ptr(uint8 ep) {
+ return usb_ep_rx_count_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_tx_buf1_count(uint8 ep) {
+ return usb_get_ep_rx_count(ep);
+}
+
+static inline void usb_set_ep_tx_buf1_count(uint8 ep, uint16 count) {
+ usb_set_ep_rx_count(ep, count);
+}
+static inline uint32* usb_get_ep_rx_buf0_addr_ptr(uint8 ep) {
+ return usb_ep_tx_addr_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_rx_buf0_addr(uint8 ep) {
+ return usb_get_ep_tx_addr(ep);
+}
+
+static inline void usb_set_ep_rx_buf0_addr(uint8 ep, uint16 addr) {
+ usb_set_ep_tx_addr(ep, addr);
+}
+
+static inline uint32* usb_get_ep_rx_buf1_addr_ptr(uint8 ep) {
+ return usb_ep_rx_addr_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_rx_buf1_addr(uint8 ep) {
+ return usb_get_ep_rx_addr(ep);
+}
+
+static inline void usb_set_ep_rx_buf1_addr(uint8 ep, uint16 addr) {
+ usb_set_ep_rx_addr(ep, addr);
+}
+
+static inline uint32* usb_ep_rx_buf0_count_ptr(uint8 ep) {
+ return usb_ep_tx_count_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_rx_buf0_count(uint8 ep) {
+ return usb_get_ep_tx_count(ep);
+}
+
+void usb_set_ep_rx_buf0_count(uint8 ep, uint16 count);
+
+static inline uint32* usb_ep_rx_buf1_count_ptr(uint8 ep) {
+ return usb_ep_rx_count_ptr(ep);
+}
+
+static inline uint16 usb_get_ep_rx_buf1_count(uint8 ep) {
+ return usb_get_ep_rx_count(ep);
+}
+
+static inline void usb_set_ep_rx_buf1_count(uint8 ep, uint16 count) {
+ usb_set_ep_rx_count(ep, count);
+}
+
/*
* Misc. types
*/
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 16:38:39 +0000