USB device stack
Fork of USBDevice by
Diff: USBDevice/USBHAL_KL25Z.cpp
- Revision:
- 20:d38b72fed893
- Parent:
- 14:d495202c90f4
- Child:
- 22:5b7d31d9d3f3
diff -r fcb63a105965 -r d38b72fed893 USBDevice/USBHAL_KL25Z.cpp --- a/USBDevice/USBHAL_KL25Z.cpp Thu Feb 20 11:15:58 2014 +0000 +++ b/USBDevice/USBHAL_KL25Z.cpp Thu Feb 27 09:45:46 2014 +0000 @@ -16,7 +16,7 @@ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -#if defined(TARGET_KL25Z) +#if defined(TARGET_KL25Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) #include "USBHAL.h" @@ -59,7 +59,7 @@ uint8_t dummy; // RSVD: BD[8:15] uint16_t byte_count; // BD[16:32] uint32_t address; // Addr -} BDT; +} BDT; // there are: @@ -82,10 +82,10 @@ return 0; } -USBHAL::USBHAL(void) { +USBHAL::USBHAL(void) { // Disable IRQ NVIC_DisableIRQ(USB0_IRQn); - + // fill in callback array epCallback[0] = &USBHAL::EP1_OUT_callback; epCallback[1] = &USBHAL::EP1_IN_callback; @@ -117,11 +117,11 @@ epCallback[27] = &USBHAL::EP14_IN_callback; epCallback[28] = &USBHAL::EP15_OUT_callback; epCallback[29] = &USBHAL::EP15_IN_callback; - - + + // choose usb src as PLL SIM->SOPT2 |= (SIM_SOPT2_USBSRC_MASK | SIM_SOPT2_PLLFLLSEL_MASK); - + // enable OTG clock SIM->SCGC4 |= SIM_SCGC4_USBOTG_MASK; @@ -129,12 +129,12 @@ instance = this; NVIC_SetVector(USB0_IRQn, (uint32_t)&_usbisr); NVIC_EnableIRQ(USB0_IRQn); - + // USB Module Configuration // Reset USB Module USB0->USBTRC0 |= USB_USBTRC0_USBRESET_MASK; while(USB0->USBTRC0 & USB_USBTRC0_USBRESET_MASK); - + // Set BDT Base Register USB0->BDTPAGE1=(uint8_t)((uint32_t)bdt>>8); USB0->BDTPAGE2=(uint8_t)((uint32_t)bdt>>16); @@ -144,14 +144,14 @@ USB0->ISTAT = 0xff; // USB Interrupt Enablers - USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK | - USB_INTEN_SOFTOKEN_MASK | + USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK | + USB_INTEN_SOFTOKEN_MASK | USB_INTEN_ERROREN_MASK | USB_INTEN_USBRSTEN_MASK; - - // Disable weak pull downs - USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK); - + + // Disable weak pull downs + USB0->USBCTRL &= ~(USB_USBCTRL_PDE_MASK | USB_USBCTRL_SUSP_MASK); + USB0->USBTRC0 |= 0x40; } @@ -296,9 +296,9 @@ uint32_t n, sz, idx, setup = 0; uint8_t not_iso; uint8_t * ep_buf; - + uint32_t log_endpoint = PHY_TO_LOG(endpoint); - + if (endpoint > NUMBER_OF_PHYSICAL_ENDPOINTS - 1) { return EP_INVALID; } @@ -335,7 +335,7 @@ if (((Data1 >> endpoint) & 1) == ((bdt[idx].info >> 6) & 1)) { if (setup && (buffer[6] == 0)) // if no setup data stage, Data1 &= ~1UL; // set DATA0 - else + else Data1 ^= (1 << endpoint); } @@ -345,7 +345,7 @@ else { bdt[idx].info = BD_DTS_MASK | BD_OWN_MASK; } - + USB0->CTL &= ~USB_CTL_TXSUSPENDTOKENBUSY_MASK; *bytesRead = sz; @@ -368,27 +368,27 @@ idx = EP_BDT_IDX(PHY_TO_LOG(endpoint), TX, 0); bdt[idx].byte_count = size; - - + + // non iso endpoint if (USB0->ENDPOINT[PHY_TO_LOG(endpoint)].ENDPT & USB_ENDPT_EPHSHK_MASK) { ep_buf = endpoint_buffer[idx]; } else { ep_buf = endpoint_buffer_iso[2]; } - + for (n = 0; n < size; n++) { ep_buf[n] = data[n]; } - + if ((Data1 >> endpoint) & 1) { bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK; } else { bdt[idx].info = BD_OWN_MASK | BD_DTS_MASK | BD_DATA01_MASK; } - + Data1 ^= (1 << endpoint); - + return EP_PENDING; } @@ -429,7 +429,7 @@ uint8_t istat = USB0->ISTAT; // reset interrupt - if (istat & USB_ISTAT_USBRST_MASK) { + if (istat & USB_ISTAT_USBRST_MASK) { // disable all endpt for(i = 0; i < 16; i++) { USB0->ENDPOINT[i].ENDPT = 0x00; @@ -457,11 +457,11 @@ // SOF interrupt if (istat & USB_ISTAT_SOFTOK_MASK) { - USB0->ISTAT = USB_ISTAT_SOFTOK_MASK; + USB0->ISTAT = USB_ISTAT_SOFTOK_MASK; // SOF event, read frame number SOF(frameNumber()); } - + // stall interrupt if (istat & 1<<7) { if (USB0->ENDPOINT[0].ENDPT & USB_ENDPT_EPSTALL_MASK) @@ -483,7 +483,7 @@ // EP0 SETUP event (SETUP data received) EP0setupCallback(); - + } else { // OUT packet if (TOK_PID((EP_BDT_IDX(num, dir, ev_odd))) == OUT_TOKEN) { @@ -517,11 +517,11 @@ USB0->ISTAT = USB_ISTAT_TOKDNE_MASK; } - + // sleep interrupt if (istat & 1<<4) { USB0->ISTAT |= USB_ISTAT_SLEEP_MASK; - } + } // error interrupt if (istat & USB_ISTAT_ERROR_MASK) {