diff options
| author | Clifroy Henry <[email protected]> | 2023-01-03 15:56:14 -0500 |
|---|---|---|
| committer | hathach <[email protected]> | 2024-04-11 20:57:39 +0700 |
| commit | b8b22b929e1bbbbae7c7337972129ae6f7192bc6 (patch) | |
| tree | e4dcb9923067844ce4cb0b51427f7bec36c75bed | |
| parent | 5a9b3eab6f3aa5e9fc71b902bfdbfef1acb29b44 (diff) | |
Allow re-enumeration on host power cycle.
| -rw-r--r-- | src/portable/ti/msp430x5xx/dcd_msp430x5xx.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c b/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c index 46b7d6458..a0d9b3ea5 100644 --- a/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c +++ b/src/portable/ti/msp430x5xx/dcd_msp430x5xx.c @@ -94,7 +94,12 @@ static void bus_reset(void) USBOEPCNT_0 &= ~NAK; USBIEPCNT_0 &= ~NAK; - USBCTL |= FEN; // Enable responding to packets. + // Disable (subsequent) bus reset events from causing a functional + // reset of the USB module. + USBCTL &= ~FRSTE; + + // Enable responding to packets. + USBCTL |= FEN; // Dedicated buffers in hardware for SETUP and EP0, no setup needed. // Now safe to respond to SETUP packets. @@ -334,6 +339,10 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t if(epnum == 0) { + // Enables a bus reset to cause a functional reset of the USB + // module. + USBCTL |= FRSTE; + if(dir == TUSB_DIR_OUT) { // Interrupt will notify us when data was received. |