diff options
| author | sago35 <[email protected]> | 2022-07-25 19:45:36 +0900 |
|---|---|---|
| committer | Ron Evans <[email protected]> | 2022-07-25 17:01:14 +0200 |
| commit | 7cd2890434e410103b8f843448a3ae59e891dd2a (patch) | |
| tree | 27c94ed6113de122d029e703ca19a3fd43ef2067 | |
| parent | 13311da7e95fda9de7552b949704f255cbfff93a (diff) | |
| download | tinygo-7cd2890434e410103b8f843448a3ae59e891dd2a.tar.gz tinygo-7cd2890434e410103b8f843448a3ae59e891dd2a.zip | |
rp2040: add resetBlock for USBCTRL
| -rw-r--r-- | src/machine/machine_rp2040_usb.go | 22 |
1 files changed, 13 insertions, 9 deletions
diff --git a/src/machine/machine_rp2040_usb.go b/src/machine/machine_rp2040_usb.go index 5f55ae68a..0872d481e 100644 --- a/src/machine/machine_rp2040_usb.go +++ b/src/machine/machine_rp2040_usb.go @@ -21,35 +21,39 @@ var ( // Configure the USB peripheral. The config is here for compatibility with the UART interface. func (dev *USBDevice) Configure(config UARTConfig) { - //// Clear any previous state in dpram just in case + // Reset usb controller + resetBlock(rp.RESETS_RESET_USBCTRL) + unresetBlockWait(rp.RESETS_RESET_USBCTRL) + + // Clear any previous state in dpram just in case usbDPSRAM.clear() - //// Enable USB interrupt at processor + // Enable USB interrupt at processor rp.USBCTRL_REGS.INTE.Set(0) intr := interrupt.New(rp.IRQ_USBCTRL_IRQ, handleUSBIRQ) intr.SetPriority(0x00) intr.Enable() irqSet(rp.IRQ_USBCTRL_IRQ, true) - //// Mux the controller to the onboard usb phy + // Mux the controller to the onboard usb phy rp.USBCTRL_REGS.USB_MUXING.Set(rp.USBCTRL_REGS_USB_MUXING_TO_PHY | rp.USBCTRL_REGS_USB_MUXING_SOFTCON) - //// Force VBUS detect so the device thinks it is plugged into a host + // Force VBUS detect so the device thinks it is plugged into a host rp.USBCTRL_REGS.USB_PWR.Set(rp.USBCTRL_REGS_USB_PWR_VBUS_DETECT | rp.USBCTRL_REGS_USB_PWR_VBUS_DETECT_OVERRIDE_EN) - //// Enable the USB controller in device mode. + // Enable the USB controller in device mode. rp.USBCTRL_REGS.MAIN_CTRL.Set(rp.USBCTRL_REGS_MAIN_CTRL_CONTROLLER_EN) - //// Enable an interrupt per EP0 transaction + // Enable an interrupt per EP0 transaction rp.USBCTRL_REGS.SIE_CTRL.Set(rp.USBCTRL_REGS_SIE_CTRL_EP0_INT_1BUF) - //// Enable interrupts for when a buffer is done, when the bus is reset, - //// and when a setup packet is received + // Enable interrupts for when a buffer is done, when the bus is reset, + // and when a setup packet is received rp.USBCTRL_REGS.INTE.Set(rp.USBCTRL_REGS_INTE_BUFF_STATUS | rp.USBCTRL_REGS_INTE_BUS_RESET | rp.USBCTRL_REGS_INTE_SETUP_REQ) - //// Present full speed device by enabling pull up on DP + // Present full speed device by enabling pull up on DP rp.USBCTRL_REGS.SIE_CTRL.SetBits(rp.USBCTRL_REGS_SIE_CTRL_PULLUP_EN) } |