Added support for multiple FIFOs.

1 files changed, 7 insertions, 2 deletions

diff --git a/hal/usb.h b/hal/usb.h
index 8376727..c8c550f 100644
--- a/hal/usb.h
+++ b/hal/usb.h
@@ -62,20 +62,25 @@ struct USB_dev_oep_reg_t {
 	uint32_t _reserved2[3];
 };
 
+union USB_fifo_reg_t {
+	volatile uint32_t reg;
+	volatile uint32_t buf[1024];
+};
+
 class USB_t {
 	public:
 		USB_reg_t& reg;
 		USB_dev_reg_t& dev_reg;
 		USB_dev_iep_reg_t* const dev_iep_reg;
 		USB_dev_oep_reg_t* const dev_oep_reg;
-		volatile uint32_t& fifo;
+		USB_fifo_reg_t* const fifo;
 		
 		USB_t(uint32_t reg_addr) :
 			reg(*(USB_reg_t*)reg_addr),
 			dev_reg(*(USB_dev_reg_t*)(reg_addr + 0x800)),
 			dev_iep_reg((USB_dev_iep_reg_t*)(reg_addr + 0x900)),
 			dev_oep_reg((USB_dev_oep_reg_t*)(reg_addr + 0xb00)),
-			fifo(*(volatile uint32_t*)(reg_addr + 0x1000)) {}
+			fifo((USB_fifo_reg_t*)(reg_addr + 0x1000)) {}
 };
 
 #if defined(STM32F1)