diff options
| author | hathach <[email protected]> | 2019-11-27 16:01:25 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2019-11-27 16:01:25 +0700 |
| commit | 6225d5bcfdf3b416d2dd109e88b67bc4fcefe249 (patch) | |
| tree | a550e777fe9fa6a538b75fc4563f7a92b9822102 | |
| parent | bc21714c7ee7767c0aae6d782b6b72b954dddcdf (diff) | |
able to handle setup packet
| -rw-r--r-- | src/portable/microchip/samg/dcd_samg.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/src/portable/microchip/samg/dcd_samg.c b/src/portable/microchip/samg/dcd_samg.c index 3eb64eb1a..899d054c6 100644 --- a/src/portable/microchip/samg/dcd_samg.c +++ b/src/portable/microchip/samg/dcd_samg.c @@ -43,7 +43,14 @@ // Set up endpoint 0, clear all other endpoints static void bus_reset(void) { + // Enable EP0 control + UDP->UDP_CSR[0] = UDP_CSR_EPEDS_Msk; + // Enable interrupt : EP0, Suspend, Resume, Wakeup + UDP->UDP_IER = UDP_IER_EP0INT_Msk | UDP_IER_RXSUSP_Msk | UDP_IER_RXRSM_Msk | UDP_IER_WAKEUP_Msk; + + // Enable transceiver + UDP->UDP_TXVC &= ~UDP_TXVC_TXVDIS_Msk; } // Initialize controller to device mode @@ -54,8 +61,8 @@ void dcd_init (uint8_t rhport) - // Pull-up & Transceiver enable - UDP->UDP_TXVC = UDP_TXVC_PUON; + // Enable pull-up, disable transceiver + UDP->UDP_TXVC = UDP_TXVC_PUON | UDP_TXVC_TXVDIS_Msk; } // Enable device interrupt @@ -140,11 +147,45 @@ void dcd_isr(uint8_t rhport) UDP->UDP_ICR = intr_status; // Bus reset - if (intr_status & UDP_ISR_ENDBUSRES) + if (intr_status & UDP_ISR_ENDBUSRES_Msk) { bus_reset(); dcd_event_bus_signal(rhport, DCD_EVENT_BUS_RESET, true); } + + // SOF + if (intr_status & UDP_ISR_SOFINT_Msk) dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true); + + // Suspend + if (intr_status & UDP_ISR_RXSUSP_Msk) dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true); + + // Resume + if (intr_status & UDP_ISR_RXRSM_Msk) dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); + + // Wakeup +// if (intr_status & UDP_ISR_WAKEUP_Msk) dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true); + + //------------- Endpoints -------------// + + if ( intr_status & TU_BIT(0) ) + { + // setup packet + if (UDP->UDP_CSR[0] & UDP_CSR_RXSETUP) + { + // get setup from FIFO + uint8_t setup[8]; + for(uint8_t i=0; i<sizeof(setup); i++) + { + setup[i] = (uint8_t) UDP->UDP_FDR[0]; + } + + // clear setup bit + UDP->UDP_CSR[0] &= ~UDP_CSR_RXSETUP_Msk; + + // notify usbd + dcd_event_setup_received(rhport, setup, true); + } + } } #endif |