diff options
| author | Vegard Storheil Eriksen <zyp@jvnv.net> | 2012-09-22 12:06:09 +0200 |
|---|---|---|
| committer | Vegard Storheil Eriksen <zyp@jvnv.net> | 2012-09-22 12:06:09 +0200 |
| commit | 3faebf20f43a73cbb40f2dad9732df3f2838b176 (patch) | |
| tree | d91347208b2318f6b9a9f347fbf2279abeb8b7a3 | |
| parent | 162079d86d873c9eb70fd486890c670ce4043c33 (diff) | |
Made RX FIFO size configurable.
| -rw-r--r-- | usb/dwc_otg.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/usb/dwc_otg.h b/usb/dwc_otg.h index 09a76c0..673d418 100644 --- a/usb/dwc_otg.h +++ b/usb/dwc_otg.h @@ -8,6 +8,8 @@ class USB_otg : public USB_generic { private: DWC_OTG_t& otg; + uint32_t rxfifo_size; + uint32_t rxfifo_bytes; uint8_t rxfifo_ep; @@ -75,8 +77,8 @@ class USB_otg : public USB_generic { epctl |= (1 << 31) | (1 << 28) | (1 << 15) | (ep == 0 ? 64 : size); // EPENA, USBAEP, SD0PID if(ep == 0) { - otg.reg.GRXFSIZ = 64; - buf_end = 64; + otg.reg.GRXFSIZ = rxfifo_size >> 2; + buf_end = rxfifo_size >> 2; otg.reg.DIEPTXF0 = (buf_end << 16) | (64 >> 2); buf_end += (64 >> 2); @@ -107,7 +109,11 @@ class USB_otg : public USB_generic { } public: - USB_otg(DWC_OTG_t& otg_periph, desc_t dev, desc_t conf) : USB_generic(dev, conf), otg(otg_periph) {} + USB_otg(DWC_OTG_t& otg_periph, desc_t dev, desc_t conf) : USB_generic(dev, conf), otg(otg_periph), rxfifo_size(256) {} + + void set_rxfifo_size(uint32_t size) { + rxfifo_size = size; + } void init() { // Set PHYSEL. |