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stm32: Rename USB_BTABLE to EPM in usbfs.c 

Rename the internal definition so it isn't in conflict with the
USB_BTABLE register.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-09-16 15:37:52 -04:00
parent c780537c57
commit 86cf361486
1 changed files with 20 additions and 20 deletions
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40
src/stm32/usbfs.c
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@ -35,9 +35,9 @@ struct ep_mem {
uint32_t ep_bulk_in_tx[USB_CDC_EP_BULK_IN_SIZE / 2]; uint32_t ep_bulk_in_tx[USB_CDC_EP_BULK_IN_SIZE / 2];
}; };
#define USB_BTABLE ((struct ep_mem *)(USB_BASE + 0x400)) #define EPM ((struct ep_mem *)(USB_BASE + 0x400))
#define CALC_ADDR(p) (((void*)(p) - (void*)USB_BTABLE) / 2) #define CALC_ADDR(p) (((void*)(p) - (void*)EPM) / 2)
#define CALC_SIZE(s) ((s) > 32 ? (DIV_ROUND_UP((s), 32) << 10) | 0x8000 \ #define CALC_SIZE(s) ((s) > 32 ? (DIV_ROUND_UP((s), 32) << 10) | 0x8000 \
: DIV_ROUND_UP((s), 2) << 10) : DIV_ROUND_UP((s), 2) << 10)
@ -45,19 +45,19 @@ struct ep_mem {
static void static void
btable_configure(void) btable_configure(void)
{ {
USB_BTABLE->ep0.count_tx = 0; EPM->ep0.count_tx = 0;
USB_BTABLE->ep0.addr_tx = CALC_ADDR(USB_BTABLE->ep0_tx); EPM->ep0.addr_tx = CALC_ADDR(EPM->ep0_tx);
USB_BTABLE->ep0.count_rx = CALC_SIZE(USB_CDC_EP0_SIZE); EPM->ep0.count_rx = CALC_SIZE(USB_CDC_EP0_SIZE);
USB_BTABLE->ep0.addr_rx = CALC_ADDR(USB_BTABLE->ep0_rx); EPM->ep0.addr_rx = CALC_ADDR(EPM->ep0_rx);
USB_BTABLE->ep_acm.count_tx = 0; EPM->ep_acm.count_tx = 0;
USB_BTABLE->ep_acm.addr_tx = CALC_ADDR(USB_BTABLE->ep_acm_tx); EPM->ep_acm.addr_tx = CALC_ADDR(EPM->ep_acm_tx);
USB_BTABLE->ep_bulk_out.count_rx = CALC_SIZE(USB_CDC_EP_BULK_OUT_SIZE); EPM->ep_bulk_out.count_rx = CALC_SIZE(USB_CDC_EP_BULK_OUT_SIZE);
USB_BTABLE->ep_bulk_out.addr_rx = CALC_ADDR(USB_BTABLE->ep_bulk_out_rx); EPM->ep_bulk_out.addr_rx = CALC_ADDR(EPM->ep_bulk_out_rx);
USB_BTABLE->ep_bulk_in.count_tx = 0; EPM->ep_bulk_in.count_tx = 0;
USB_BTABLE->ep_bulk_in.addr_tx = CALC_ADDR(USB_BTABLE->ep_bulk_in_tx); EPM->ep_bulk_in.addr_tx = CALC_ADDR(EPM->ep_bulk_in_tx);
} }
// Read a packet stored in dedicated usb memory // Read a packet stored in dedicated usb memory
@ -137,10 +137,10 @@ usb_read_bulk_out(void *data, uint_fast8_t max_len)
if ((epr & USB_EP0R_STAT_RX_Msk) == RX_VALID) if ((epr & USB_EP0R_STAT_RX_Msk) == RX_VALID)
// No data ready // No data ready
return -1; return -1;
uint32_t count = USB_BTABLE->ep_bulk_out.count_rx & 0x3ff; uint32_t count = EPM->ep_bulk_out.count_rx & 0x3ff;
if (count > max_len) if (count > max_len)
count = max_len; count = max_len;
btable_read_packet(data, USB_BTABLE->ep_bulk_out_rx, count); btable_read_packet(data, EPM->ep_bulk_out_rx, count);
USB_EPR[USB_CDC_EP_BULK_OUT] = set_stat_rx_bits(epr, RX_VALID); USB_EPR[USB_CDC_EP_BULK_OUT] = set_stat_rx_bits(epr, RX_VALID);
return count; return count;
} }
@ -152,8 +152,8 @@ usb_send_bulk_in(void *data, uint_fast8_t len)
if ((epr & USB_EP0R_STAT_TX_Msk) != TX_NAK) if ((epr & USB_EP0R_STAT_TX_Msk) != TX_NAK)
// No buffer space available // No buffer space available
return -1; return -1;
btable_write_packet(USB_BTABLE->ep_bulk_in_tx, data, len); btable_write_packet(EPM->ep_bulk_in_tx, data, len);
USB_BTABLE->ep_bulk_in.count_tx = len; EPM->ep_bulk_in.count_tx = len;
USB_EPR[USB_CDC_EP_BULK_IN] = set_stat_tx_bits(epr, TX_VALID); USB_EPR[USB_CDC_EP_BULK_IN] = set_stat_tx_bits(epr, TX_VALID);
return len; return len;
} }
@ -165,10 +165,10 @@ usb_read_ep0(void *data, uint_fast8_t max_len)
if ((epr & USB_EP0R_STAT_RX_Msk) != RX_NAK) if ((epr & USB_EP0R_STAT_RX_Msk) != RX_NAK)
// No data ready // No data ready
return -1; return -1;
uint32_t count = USB_BTABLE->ep0.count_rx & 0x3ff; uint32_t count = EPM->ep0.count_rx & 0x3ff;
if (count > max_len) if (count > max_len)
count = max_len; count = max_len;
btable_read_packet(data, USB_BTABLE->ep0_rx, count); btable_read_packet(data, EPM->ep0_rx, count);
USB_EPR[0] = set_stat_rxtx_bits(epr, RX_VALID | TX_NAK); USB_EPR[0] = set_stat_rxtx_bits(epr, RX_VALID | TX_NAK);
return count; return count;
} }
@ -189,8 +189,8 @@ usb_send_ep0(const void *data, uint_fast8_t len)
if ((epr & USB_EP0R_STAT_TX_Msk) != TX_NAK) if ((epr & USB_EP0R_STAT_TX_Msk) != TX_NAK)
// No buffer space available // No buffer space available
return -1; return -1;
btable_write_packet(USB_BTABLE->ep0_tx, data, len); btable_write_packet(EPM->ep0_tx, data, len);
USB_BTABLE->ep0.count_tx = len; EPM->ep0.count_tx = len;
USB_EPR[0] = set_stat_tx_bits(epr, TX_VALID); USB_EPR[0] = set_stat_tx_bits(epr, TX_VALID);
return len; return len;
} }