Jun Yamaguchi
1st Release
Fork of
USBDevice
by 
mbed official
Diff: targets/TARGET_RENESAS/USBHAL_RZ_A1H.cpp
- Revision:
- 71:53949e6131f6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_RENESAS/USBHAL_RZ_A1H.cpp Thu Jul 27 12:14:04 2017 +0100
@@ -0,0 +1,1497 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person
+* obtaining a copy of this software and associated documentation
+* files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use,
+* copy, modify, merge, publish, distribute, sublicense, and/or
+* sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following
+* conditions:
+*
+* The above copyright notice and this permission notice shall be
+* included in all copies or substantial portions of the
+* Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
+* KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
+* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#if defined(TARGET_RZ_A1H) || defined(TARGET_VK_RZ_A1H)
+
+/*
+ This class can use the pipe1, pipe3 and pipe6 only. You should
+ re-program this class if you wanted to use other pipe.
+ */
+
+/*************************************************************************/
+extern "C"
+{
+#include "r_typedefs.h"
+#include "iodefine.h"
+}
+#include "USBHAL.h"
+#include "devdrv_usb_function_api.h"
+#include "usb_iobitmask.h"
+#include "rza_io_regrw.h"
+#include "USBDevice_Types.h"
+#include "usb_function_setting.h"
+
+
+/*************************************************************************/
+/* constants */
+const struct PIPECFGREC {
+ uint16_t endpoint;
+ uint16_t pipesel;
+ uint16_t pipecfg;
+ uint16_t pipebuf;
+ uint16_t pipemaxp;
+ uint16_t pipeperi;
+} def_pipecfg[] = {
+ /*EP0OUT and EP0IN are configured by USB IP*/
+ {
+ EP1OUT, /*EP1: Host -> Func, INT*/
+ 6 | USB_FUNCTION_D0FIFO_USE,
+ USB_FUNCTION_INTERRUPT |
+ USB_FUNCTION_BFREOFF |
+ USB_FUNCTION_DBLBOFF |
+ USB_FUNCTION_CNTMDON |
+ USB_FUNCTION_SHTNAKOFF |
+ USB_FUNCTION_DIR_P_OUT |
+ USB_FUNCTION_EP1,
+ ( ( ( 64) / 64 - 1 ) << 10 ) | 0x04u,
+ MAX_PACKET_SIZE_EP1,
+ DEVDRV_USBF_OFF |
+ ( 3 << USB_PIPEPERI_IITV_SHIFT ),
+ },
+ {
+ EP1IN, /*EP1: Host <- Func, INT*/
+ 7 | USB_FUNCTION_D1FIFO_USE,
+ USB_FUNCTION_INTERRUPT |
+ USB_FUNCTION_BFREOFF |
+ USB_FUNCTION_DBLBOFF |
+ USB_FUNCTION_CNTMDOFF |
+ USB_FUNCTION_SHTNAKOFF |
+ USB_FUNCTION_DIR_P_IN |
+ USB_FUNCTION_EP1,
+ ( ( ( 64) / 64 - 1 ) << 10 ) | 0x05u,
+ MAX_PACKET_SIZE_EP1,
+ DEVDRV_USBF_OFF |
+ ( 3 << USB_PIPEPERI_IITV_SHIFT ),
+ },
+ {
+ EP2OUT, /*EP2: Host -> Func, BULK*/
+ 3 | USB_FUNCTION_D0FIFO_USE,
+ USB_FUNCTION_BULK |
+ USB_FUNCTION_BFREOFF |
+ USB_FUNCTION_DBLBON |
+ USB_FUNCTION_CNTMDON |
+ USB_FUNCTION_SHTNAKON |
+ USB_FUNCTION_DIR_P_OUT |
+ USB_FUNCTION_EP2,
+ ( ( (2048) / 64 - 1 ) << 10 ) | 0x30u,
+ MAX_PACKET_SIZE_EP2,
+ DEVDRV_USBF_OFF |
+ ( 0 << USB_PIPEPERI_IITV_SHIFT ),
+ },
+ {
+ EP2IN, /*EP2: Host <- Func, BULK*/
+ 4 | USB_FUNCTION_D1FIFO_USE,
+ USB_FUNCTION_BULK |
+ USB_FUNCTION_BFREOFF |
+ USB_FUNCTION_DBLBOFF |
+ USB_FUNCTION_CNTMDON |
+ USB_FUNCTION_SHTNAKOFF |
+ USB_FUNCTION_DIR_P_IN |
+ USB_FUNCTION_EP2,
+ ( ( (2048) / 64 - 1 ) << 10 ) | 0x50u,
+ MAX_PACKET_SIZE_EP2,
+ DEVDRV_USBF_OFF |
+ ( 0 << USB_PIPEPERI_IITV_SHIFT ),
+ },
+ {
+ EP3OUT, /*EP3: Host -> Func, ISO*/
+ 1 | USB_FUNCTION_D0FIFO_USE,
+ USB_FUNCTION_ISO |
+ USB_FUNCTION_BFREOFF |
+ USB_FUNCTION_DBLBON |
+ USB_FUNCTION_CNTMDOFF |
+ USB_FUNCTION_SHTNAKON |
+ USB_FUNCTION_DIR_P_OUT |
+ USB_FUNCTION_EP3,
+ ( ( ( 512) / 64 - 1 ) << 10 ) | 0x10u,
+ MAX_PACKET_SIZE_EP3,
+ DEVDRV_USBF_OFF |
+ ( 0 << USB_PIPEPERI_IITV_SHIFT ),
+ },
+ {
+ EP3IN, /*EP3: Host <- Func, ISO*/
+ 2 | USB_FUNCTION_D1FIFO_USE,
+ USB_FUNCTION_ISO |
+ USB_FUNCTION_BFREOFF |
+ USB_FUNCTION_DBLBON |
+ USB_FUNCTION_CNTMDOFF |
+ USB_FUNCTION_SHTNAKOFF |
+ USB_FUNCTION_DIR_P_IN |
+ USB_FUNCTION_EP3,
+ ( ( ( 512) / 64 - 1 ) << 10 ) | 0x20u,
+ MAX_PACKET_SIZE_EP3,
+ DEVDRV_USBF_OFF |
+ ( 0 << USB_PIPEPERI_IITV_SHIFT ),
+ },
+ { /*terminator*/
+ 0, 0, 0, 0, 0,
+ },
+};
+
+
+/*************************************************************************/
+/* workareas */
+USBHAL * USBHAL::instance;
+
+static IRQn_Type int_id; /* interrupt ID */
+static uint16_t int_level; /* initerrupt level */
+static uint16_t clock_mode; /* input clock selector */
+static uint16_t mode; /* USB speed (HIGH/FULL) */
+
+//static DigitalOut *usbx_en;
+
+static uint16_t EP0_read_status;
+static uint16_t EPx_read_status;
+
+static uint16_t setup_buffer[MAX_PACKET_SIZE_EP0 / 2];
+
+/* 0: not used / other: a pipe number to use recv_buffer*/
+static uint8_t recv_buffer[MAX_PACKET_SIZE_EPBULK];
+volatile static uint16_t recv_error;
+
+
+/*************************************************************************/
+/* prototypes for C */
+extern "C" {
+ void usbx_function_BRDYInterruptPIPE0 (uint16_t status, uint16_t intenb,
+ USBHAL *object, void (USBHAL::*EP0func)(void));
+
+ void usbx_function_BRDYInterrupt (uint16_t status, uint16_t intenb,
+ USBHAL *object, bool (USBHAL::*epCallback[])(void));
+
+ void usbx_function_NRDYInterruptPIPE0(uint16_t status, uint16_t intenb,
+ USBHAL *object, void (USBHAL::*EP0func)(void));
+
+ void usbx_function_NRDYInterrupt (uint16_t status, uint16_t intenb,
+ USBHAL *object, bool (USBHAL::*epCallback[])(void));
+
+ void usbx_function_BEMPInterruptPIPE0(uint16_t status, uint16_t intenb,
+ USBHAL *object, void (USBHAL::*EP0func)(void));
+
+ void usbx_function_BEMPInterrupt (uint16_t status, uint16_t intenb,
+ USBHAL *object, bool (USBHAL::*epCallback[])(void));
+}
+
+
+/*************************************************************************/
+/* macros */
+
+/******************************************************************************
+ * Function Name: usbx_function_BRDYInterruptPIPE0
+ * Description : Executes BRDY interrupt for pipe0.
+ * Arguments : uint16_t status ; BRDYSTS Register Value
+ * : uint16_t intenb ; BRDYENB Register Value
+ * Return Value : none
+ *****************************************************************************/
+extern "C" {
+ void usbx_function_BRDYInterruptPIPE0 (
+ uint16_t status,
+ uint16_t intenb,
+ USBHAL *object,
+ void (USBHAL::*EP0func)(void)
+ )
+ {
+ volatile uint16_t dumy_sts;
+ uint16_t read_status;
+
+ USB20X.BRDYSTS =
+ (uint16_t)~g_usbx_function_bit_set[USB_FUNCTION_PIPE0];
+ RZA_IO_RegWrite_16(
+ &USB20X.CFIFOSEL, USB_FUNCTION_PIPE0,
+ USB_CFIFOSEL_CURPIPE_SHIFT, USB_CFIFOSEL_CURPIPE);
+
+ g_usbx_function_PipeDataSize[USB_FUNCTION_PIPE0] =
+ g_usbx_function_data_count[USB_FUNCTION_PIPE0];
+
+ read_status = usbx_function_read_buffer_c(USB_FUNCTION_PIPE0);
+
+ g_usbx_function_PipeDataSize[USB_FUNCTION_PIPE0] -=
+ g_usbx_function_data_count[USB_FUNCTION_PIPE0];
+
+ switch (read_status) {
+ case USB_FUNCTION_READING: /* Continue of data read */
+ case USB_FUNCTION_READEND: /* End of data read */
+ /* PID = BUF */
+ usbx_function_set_pid_buf(USB_FUNCTION_PIPE0);
+
+ /*callback*/
+ (object->*EP0func)();
+ break;
+
+ case USB_FUNCTION_READSHRT: /* End of data read */
+ usbx_function_disable_brdy_int(USB_FUNCTION_PIPE0);
+ /* PID = BUF */
+ usbx_function_set_pid_buf(USB_FUNCTION_PIPE0);
+
+ /*callback*/
+ (object->*EP0func)();
+ break;
+
+ case USB_FUNCTION_READOVER: /* FIFO access error */
+ /* Buffer Clear */
+ USB20X.CFIFOCTR = USB_FUNCTION_BITBCLR;
+ usbx_function_disable_brdy_int(USB_FUNCTION_PIPE0);
+ /* Req Error */
+ usbx_function_set_pid_stall(USB_FUNCTION_PIPE0);
+
+ /*callback*/
+ (object->*EP0func)();
+ break;
+
+ case DEVDRV_USBF_FIFOERROR: /* FIFO access error */
+ default:
+ usbx_function_disable_brdy_int(USB_FUNCTION_PIPE0);
+ /* Req Error */
+ usbx_function_set_pid_stall(USB_FUNCTION_PIPE0);
+ break;
+ }
+ /* Three dummy reads for clearing interrupt requests */
+ dumy_sts = USB20X.BRDYSTS;
+ }
+}
+
+
+/******************************************************************************
+ * Function Name: usbx_function_BRDYInterrupt
+ * Description : Executes BRDY interrupt uxclude pipe0.
+ * Arguments : uint16_t status ; BRDYSTS Register Value
+ * : uint16_t intenb ; BRDYENB Register Value
+ * Return Value : none
+ *****************************************************************************/
+extern "C" {
+ void usbx_function_BRDYInterrupt(
+ uint16_t status,
+ uint16_t intenb,
+ USBHAL *object,
+ bool (USBHAL::*epCallback[])(void)
+ )
+ {
+ volatile uint16_t dumy_sts;
+
+ /**************************************************************
+ * Function Name: usbx_function_brdy_int
+ * Description : Executes BRDY interrupt(USB_FUNCTION_PIPE1-9).
+ * : According to the pipe that interrupt is generated in,
+ * : reads/writes buffer allocated in the pipe.
+ * : This function is executed in the BRDY
+ * : interrupt handler. This function
+ * : clears BRDY interrupt status and BEMP
+ * : interrupt status.
+ * Arguments : uint16_t Status ; BRDYSTS Register Value
+ * : uint16_t Int_enbl ; BRDYENB Register Value
+ * Return Value : none
+ *************************************************************/
+ /* copied from usbx_function_intrn.c */
+ uint32_t int_sense = 0;
+ uint16_t pipe;
+ uint16_t pipebit;
+ uint16_t ep;
+
+ for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++) {
+ pipebit = g_usbx_function_bit_set[pipe];
+
+ if ((status & pipebit) && (intenb & pipebit)) {
+ USB20X.BRDYSTS = (uint16_t)~pipebit;
+ USB20X.BEMPSTS = (uint16_t)~pipebit;
+
+ switch (g_usbx_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) {
+ case USB_FUNCTION_D0FIFO_DMA:
+ if (g_usbx_function_DmaStatus[USB_FUNCTION_D0FIFO] != USB_FUNCTION_DMA_READY) {
+ /*now, DMA is not supported*/
+ usbx_function_dma_interrupt_d0fifo(int_sense);
+ }
+
+ if (RZA_IO_RegRead_16(
+ &g_usbx_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0) {
+ /*now, DMA is not supported*/
+ usbx_function_read_dma(pipe);
+ usbx_function_disable_brdy_int(pipe);
+ } else {
+ USB20X.D0FIFOCTR = USB_FUNCTION_BITBCLR;
+ g_usbx_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
+ }
+ break;
+
+ case USB_FUNCTION_D1FIFO_DMA:
+ if (g_usbx_function_DmaStatus[USB_FUNCTION_D1FIFO] != USB_FUNCTION_DMA_READY) {
+ /*now, DMA is not supported*/
+ usbx_function_dma_interrupt_d1fifo(int_sense);
+ }
+
+ if (RZA_IO_RegRead_16(
+ &g_usbx_function_pipecfg[pipe], USB_PIPECFG_BFRE_SHIFT, USB_PIPECFG_BFRE) == 0) {
+ /*now, DMA is not supported*/
+ usbx_function_read_dma(pipe);
+ usbx_function_disable_brdy_int(pipe);
+ } else {
+ USB20X.D1FIFOCTR = USB_FUNCTION_BITBCLR;
+ g_usbx_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
+ }
+ break;
+
+ default:
+ ep = (g_usbx_function_pipecfg[pipe] & USB_PIPECFG_EPNUM) >> USB_PIPECFG_EPNUM_SHIFT;
+ ep <<= 1;
+ if (RZA_IO_RegRead_16(
+ &g_usbx_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0) {
+ /* read */
+ EPx_read_status = DEVDRV_USBF_PIPE_WAIT;
+ (object->*(epCallback[ep - 2])) ();
+ EPx_read_status = DEVDRV_USBF_PIPE_DONE;
+ } else {
+ /* write */
+ EPx_read_status = DEVDRV_USBF_PIPE_WAIT;
+ (object->*(epCallback[ep - 2 + 1])) ();
+ EPx_read_status = DEVDRV_USBF_PIPE_DONE;
+ usbx_function_write_buffer(pipe);
+ }
+ }
+ }
+ }
+ /* Three dummy reads for clearing interrupt requests */
+ dumy_sts = USB20X.BRDYSTS;
+ }
+}
+
+
+/******************************************************************************
+ * Function Name: usbx_function_NRDYInterruptPIPE0
+ * Description : Executes NRDY interrupt for pipe0.
+ * Arguments : uint16_t status ; NRDYSTS Register Value
+ * : uint16_t intenb ; NRDYENB Register Value
+ * Return Value : none
+ *****************************************************************************/
+extern "C" {
+ void usbx_function_NRDYInterruptPIPE0(
+ uint16_t status,
+ uint16_t intenb,
+ USBHAL *object,
+ void (USBHAL::*EP0func)(void)
+ )
+ {
+ volatile uint16_t dumy_sts;
+
+ USB20X.NRDYSTS =
+ (uint16_t)~g_usbx_function_bit_set[USB_FUNCTION_PIPE0];
+
+ /* Three dummy reads for clearing interrupt requests */
+ dumy_sts = USB20X.NRDYSTS;
+ }
+}
+
+
+/******************************************************************************
+ * Function Name: usbx_function_NRDYInterrupt
+ * Description : Executes NRDY interrupt exclude pipe0.
+ * Arguments : uint16_t status ; NRDYSTS Register Value
+ * : uint16_t intenb ; NRDYENB Register Value
+ * Return Value : none
+ *****************************************************************************/
+extern "C" {
+ void usbx_function_NRDYInterrupt(
+ uint16_t status,
+ uint16_t intenb,
+ USBHAL *object,
+ bool (USBHAL::*epCallback[])(void)
+ )
+ {
+ volatile uint16_t dumy_sts;
+
+ /**************************************************************
+ * Function Name: usbx_function_nrdy_int
+ * Description : Executes NRDY interrupt(USB_FUNCTION_PIPE1-9).
+ * : Checks NRDY interrupt cause by PID. When the cause if STALL,
+ * : regards the pipe state as STALL and ends the processing.
+ * : Then the cause is not STALL, increments the error count to
+ * : communicate again. When the error count is 3, determines
+ * : the pipe state as DEVDRV_USBF_PIPE_NORES and ends the processing.
+ * : This function is executed in the NRDY interrupt handler.
+ * : This function clears NRDY interrupt status.
+ * Arguments : uint16_t status ; NRDYSTS Register Value
+ * : uint16_t int_enb ; NRDYENB Register Value
+ * Return Value : none
+ *************************************************************/
+ /* copied from usbx_function_intrn.c */
+#if 0
+ uint16_t usefifo;
+#endif
+ uint16_t pid;
+ uint16_t pipe;
+ uint16_t bitcheck;
+#if 0
+ uint16_t mbw;
+ uint32_t size;
+#endif
+ uint16_t ep;
+
+ bitcheck = (uint16_t)(status & intenb);
+
+ USB20X.NRDYSTS = (uint16_t)~status;
+
+
+ if (RZA_IO_RegRead_16(&USB20X.SYSCFG0, USB_SYSCFG_DCFM_SHIFT, USB_SYSCFG_DCFM) == 1) {
+ /* USB HOST */
+ /* not support */
+
+ } else {
+ /* USB Function */
+ for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++) {
+ if ((bitcheck&g_usbx_function_bit_set[pipe]) != g_usbx_function_bit_set[pipe]) {
+ continue;
+ }
+
+ if (g_usbx_function_pipe_status[pipe] != DEVDRV_USBF_PIPE_WAIT) {
+ continue;
+ }
+
+#if 0
+ usbx_function_set_pid_nak(pipe);
+
+ size = (uint32_t)g_usbx_function_data_count[pipe];
+ mbw = usbx_function_get_mbw(
+ size, (uint32_t)g_usbx_function_data_pointer[pipe]);
+
+ usefifo = (uint16_t)(g_usbx_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE);
+ switch (usefifo) {
+
+ case USB_FUNCTION_D0FIFO_USE:
+ usbx_function_set_curpipe(
+ pipe, USB_FUNCTION_D0USE, DEVDRV_USBF_NO, mbw);
+ USB20X.D0FIFOCTR = USB_FUNCTION_BITBCLR;
+ break;
+
+ case USB_FUNCTION_D1FIFO_USE:
+ usbx_function_set_curpipe(
+ pipe, USB_FUNCTION_D1USE, DEVDRV_USBF_NO, mbw);
+ USB20X.D1FIFOCTR = USB_FUNCTION_BITBCLR;
+ break;
+
+ default:
+ usbx_function_set_curpipe(
+ pipe, USB_FUNCTION_CUSE, USB_FUNCTION_CFIFO_READ, mbw);
+ USB20X.CFIFOCTR = USB_FUNCTION_BITBCLR;
+ break;
+ }
+
+ usbx_function_aclrm(pipe);
+
+ usbx_function_enable_nrdy_int(pipe);
+ usbx_function_enable_brdy_int(pipe);
+
+ usbx_function_set_pid_buf(pipe);
+#endif
+
+ pid = usbx_function_get_pid(pipe);
+ if ((pid == DEVDRV_USBF_PID_STALL) || (pid == DEVDRV_USBF_PID_STALL2)) {
+ g_usbx_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
+ } else {
+ usbx_function_set_pid_buf(pipe);
+ }
+
+ ep = (g_usbx_function_pipecfg[pipe] & USB_PIPECFG_EPNUM) >> USB_PIPECFG_EPNUM_SHIFT;
+ ep <<= 1;
+ if (RZA_IO_RegRead_16(
+ &g_usbx_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0) {
+ /* read */
+ __NOP();
+ } else {
+ /* write */
+ __NOP();
+ }
+ }
+ }
+
+ /* Three dummy reads for clearing interrupt requests */
+ dumy_sts = USB20X.NRDYSTS;
+ }
+}
+
+/******************************************************************************
+ * Function Name: usbx_function_BEMPInterruptPIPE0
+ * Description : Executes BEMP interrupt for pipe0.
+ * Arguments : uint16_t status ; BEMPSTS Register Value
+ * : uint16_t intenb ; BEMPENB Register Value
+ * Return Value : none
+ *****************************************************************************/
+extern "C" {
+ void usbx_function_BEMPInterruptPIPE0(
+ uint16_t status,
+ uint16_t intenb,
+ USBHAL *object,
+ void (USBHAL::*EP0func)(void)
+ )
+ {
+ volatile uint16_t dumy_sts;
+
+ USB20X.BEMPSTS =
+ (uint16_t)~g_usbx_function_bit_set[USB_FUNCTION_PIPE0];
+ RZA_IO_RegWrite_16(
+ &USB20X.CFIFOSEL, USB_FUNCTION_PIPE0,
+ USB_CFIFOSEL_CURPIPE_SHIFT, USB_CFIFOSEL_CURPIPE);
+
+ /*usbx_function_write_buffer_c(USB_FUNCTION_PIPE0);*/
+ (object->*EP0func)();
+
+ /* Three dummy reads for clearing interrupt requests */
+ dumy_sts = USB20X.BEMPSTS;
+ }
+}
+
+
+/******************************************************************************
+ * Function Name: usbx_function_BEMPInterrupt
+ * Description : Executes BEMP interrupt exclude pipe0.
+ * Arguments : uint16_t status ; BEMPSTS Register Value
+ * : uint16_t intenb ; BEMPENB Register Value
+ * Return Value : none
+ *****************************************************************************/
+extern "C" {
+ void usbx_function_BEMPInterrupt(
+ uint16_t status,
+ uint16_t intenb,
+ USBHAL *object,
+ bool (USBHAL::*epCallback[])(void)
+ )
+ {
+ volatile uint16_t dumy_sts;
+
+ /**************************************************************
+ * Function Name: usbx_function_bemp_int
+ * Description : Executes BEMP interrupt(USB_FUNCTION_PIPE1-9).
+ * Arguments : uint16_t status ; BEMPSTS Register Value
+ * : uint16_t intenb ; BEMPENB Register Value
+ * Return Value : none
+ *************************************************************/
+ /* copied from usbx_function_intrn.c */
+ uint16_t pid;
+ uint16_t pipe;
+ uint16_t bitcheck;
+ uint16_t inbuf;
+ uint16_t ep;
+
+ bitcheck = (uint16_t)(status & intenb);
+
+ USB20X.BEMPSTS = (uint16_t)~status;
+
+ for (pipe = USB_FUNCTION_PIPE1; pipe <= USB_FUNCTION_MAX_PIPE_NO; pipe++) {
+ if ((bitcheck&g_usbx_function_bit_set[pipe]) != g_usbx_function_bit_set[pipe]) {
+ continue;
+ }
+
+ pid = usbx_function_get_pid(pipe);
+
+ if ((pid == DEVDRV_USBF_PID_STALL) ||
+ (pid == DEVDRV_USBF_PID_STALL2)) {
+ g_usbx_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_STALL;
+
+ } else {
+ inbuf = usbx_function_get_inbuf(pipe);
+
+ if (inbuf == 0) {
+ usbx_function_disable_bemp_int(pipe);
+ usbx_function_set_pid_nak(pipe);
+ g_usbx_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_DONE;
+
+ switch (g_usbx_function_PipeTbl[pipe] & USB_FUNCTION_FIFO_USE) {
+ case USB_FUNCTION_D0FIFO_DMA:
+ /*now, DMA is not supported*/
+ break;
+
+ case USB_FUNCTION_D1FIFO_DMA:
+ /*now, DMA is not supported*/
+ break;
+
+ default:
+ ep = (g_usbx_function_pipecfg[pipe] & USB_PIPECFG_EPNUM) >> USB_PIPECFG_EPNUM_SHIFT;
+ ep <<= 1;
+ if (RZA_IO_RegRead_16(
+ &g_usbx_function_pipecfg[pipe], USB_PIPECFG_DIR_SHIFT, USB_PIPECFG_DIR) == 0) {
+ /* read */
+ __NOP();
+ } else {
+ /* write */
+ EPx_read_status = DEVDRV_USBF_PIPE_WAIT;
+ (object->*(epCallback[ep - 2 + 1])) ();
+ EPx_read_status = DEVDRV_USBF_PIPE_DONE;
+ }
+ }
+ }
+ }
+ }
+
+ /* Three dummy reads for clearing interrupt requests */
+ dumy_sts = USB20X.BEMPSTS;
+ }
+}
+
+/******************************************************************************
+ * Function Name: EP2PIPE
+ * Description : Converts from endpoint to pipe
+ * Arguments : number of endpoint
+ * Return Value : number of pipe
+ *****************************************************************************/
+/*EP2PIPE converter is for pipe1, pipe3 and pipe6 only.*/
+#define EP2PIPE(endpoint) ((uint32_t)usbx_function_EpToPipe(endpoint))
+
+
+/******************************************************************************
+ * Function Name: usbx_function_save_request
+ * Description : Retains the USB request information in variables.
+ * Arguments : none
+ * Return Value : none
+ *****************************************************************************/
+#define usbx_function_save_request() \
+ { \
+ uint16_t *bufO = &setup_buffer[0]; \
+ \
+ USB20X.INTSTS0 = (uint16_t)~USB_FUNCTION_BITVALID; \
+ /*data[0] <= bmRequest, data[1] <= bmRequestType */ \
+ *bufO++ = USB20X.USBREQ; \
+ /*data[2] data[3] <= wValue*/ \
+ *bufO++ = USB20X.USBVAL; \
+ /*data[4] data[5] <= wIndex*/ \
+ *bufO++ = USB20X.USBINDX; \
+ /*data[6] data[6] <= wIndex*/ \
+ *bufO++ = USB20X.USBLENG; \
+ }
+
+
+/*************************************************************************/
+/*************************************************************************/
+/*************************************************************************/
+
+/*************************************************************************/
+/* constructor */
+USBHAL::USBHAL(void)
+{
+ /* ---- P4_1 : P4_1 (USB0_EN for GR-PEACH) ---- */
+ //usbx_en = new DigitalOut(P4_1, 1);
+
+ /* some constants */
+ int_id = USBIX_IRQn;
+ int_level = ( 2 << 3 );
+ clock_mode = USBFCLOCK_X1_48MHZ;
+#if (USB_FUNCTION_HISPEED == 0)
+ mode = USB_FUNCTION_FULL_SPEED;
+#else
+ mode = USB_FUNCTION_HIGH_SPEED;
+#endif
+ EP0_read_status = DEVDRV_USBF_WRITEEND;
+ EPx_read_status = DEVDRV_USBF_PIPE_DONE;
+
+ /* Disables interrupt for usb */
+ GIC_DisableIRQ(int_id);
+
+ /* Setup the end point */
+ epCallback[ 0] = &USBHAL::EP1_OUT_callback;
+ epCallback[ 1] = &USBHAL::EP1_IN_callback;
+ epCallback[ 2] = &USBHAL::EP2_OUT_callback;
+ epCallback[ 3] = &USBHAL::EP2_IN_callback;
+ epCallback[ 4] = &USBHAL::EP3_OUT_callback;
+ epCallback[ 5] = &USBHAL::EP3_IN_callback;
+ epCallback[ 6] = &USBHAL::EP4_OUT_callback;
+ epCallback[ 7] = &USBHAL::EP4_IN_callback;
+ epCallback[ 8] = &USBHAL::EP5_OUT_callback;
+ epCallback[ 9] = &USBHAL::EP5_IN_callback;
+ epCallback[10] = &USBHAL::EP6_OUT_callback;
+ epCallback[11] = &USBHAL::EP6_IN_callback;
+ epCallback[12] = &USBHAL::EP7_OUT_callback;
+ epCallback[13] = &USBHAL::EP7_IN_callback;
+ epCallback[14] = &USBHAL::EP8_OUT_callback;
+ epCallback[15] = &USBHAL::EP8_IN_callback;
+ epCallback[16] = &USBHAL::EP9_OUT_callback;
+ epCallback[17] = &USBHAL::EP9_IN_callback;
+ epCallback[18] = &USBHAL::EP10_OUT_callback;
+ epCallback[19] = &USBHAL::EP10_IN_callback;
+ epCallback[20] = &USBHAL::EP11_OUT_callback;
+ epCallback[21] = &USBHAL::EP11_IN_callback;
+ epCallback[22] = &USBHAL::EP12_OUT_callback;
+ epCallback[23] = &USBHAL::EP12_IN_callback;
+ epCallback[24] = &USBHAL::EP13_OUT_callback;
+ epCallback[25] = &USBHAL::EP13_IN_callback;
+ epCallback[26] = &USBHAL::EP14_OUT_callback;
+ epCallback[27] = &USBHAL::EP14_IN_callback;
+ epCallback[28] = &USBHAL::EP15_OUT_callback;
+ epCallback[29] = &USBHAL::EP15_IN_callback;
+
+ /* registers me */
+ instance = this;
+
+ /* Clear pipe table */
+ usbx_function_clear_pipe_tbl();
+
+/******************************************************************************
+ * Function Name: usbx_api_function_init
+ * Description : Initializes the USB module in the USB function mode.
+ *****************************************************************************/
+ /* The clock of USB0 modules is permitted */
+#if (USB_FUNCTION_CH == 0)
+ CPG.STBCR7 &= ~(CPG_STBCR7_MSTP71);
+#else
+ CPG.STBCR7 &= ~(CPG_STBCR7_MSTP71 | CPG_STBCR7_MSTP70);
+#endif
+ volatile uint8_t dummy8;
+ dummy8 = CPG.STBCR7;
+
+ {
+/******************************************************************************
+ * Function Name: usbx_function_setting_interrupt
+ * Description : Sets the USB module interrupt level.
+ *****************************************************************************/
+#if 0 /*DMA is not supported*/
+ IRQn_Type d0fifo_dmaintid;
+ IRQn_Type d1fifo_dmaintid;
+#endif
+
+ InterruptHandlerRegister(int_id, &_usbisr);
+ GIC_SetPriority(int_id, int_level);
+ GIC_EnableIRQ(int_id);
+
+#if 0 /*DMA is not supported*/
+ d0fifo_dmaintid = Userdef_USB_usbx_function_d0fifo_dmaintid();
+ if (d0fifo_dmaintid != 0xFFFF) {
+ InterruptHandlerRegister(d0fifo_dmaintid, usbx_function_dma_interrupt_d0fifo);
+ GIC_SetPriority(d0fifo_dmaintid, int_level);
+ GIC_EnableIRQ(d0fifo_dmaintid);
+ }
+#endif
+
+#if 0 /*DMA is not supported*/
+ d1fifo_dmaintid = Userdef_USB_usbx_function_d1fifo_dmaintid();
+ if (d1fifo_dmaintid != 0xFFFF) {
+ InterruptHandlerRegister(d1fifo_dmaintid, usbx_function_dma_interrupt_d1fifo);
+ GIC_SetPriority(d1fifo_dmaintid, int_level);
+ GIC_EnableIRQ(d1fifo_dmaintid);
+ }
+#endif
+/*****************************************************************************/
+ }
+
+ /* reset USB module with setting tranciever and HSE=1 */
+ usbx_function_reset_module(clock_mode);
+
+ /* clear variables */
+ usbx_function_init_status();
+
+ /* select USB Function and Interrupt Enable */
+ /* Detect USB Device to attach or detach */
+ usbx_function_InitModule(mode);
+
+ {
+ uint16_t buf;
+ buf = USB20X.INTENB0;
+ buf |= USB_INTENB0_SOFE;
+ USB20X.INTENB0 = buf;
+ }
+}
+
+/*************************************************************************/
+USBHAL::~USBHAL(void)
+{
+ /* Disables interrupt for usb */
+ GIC_DisableIRQ( int_id );
+ /* Unregisters interrupt function and priority */
+ InterruptHandlerRegister( int_id, (uint32_t)NULL );
+
+ //usbx_en = NULL;
+ instance = NULL;
+}
+
+/*************************************************************************/
+void USBHAL::connect(void)
+{
+ /* Activates USB0_EN */
+ //(*usbx_en) = 0;
+}
+
+
+/*************************************************************************/
+void USBHAL::disconnect(void)
+{
+ /* Deactivates USB0_EN */
+ //(*usbx_en) = 1;
+}
+
+
+/*************************************************************************/
+void USBHAL::configureDevice(void)
+{
+ /*The pipes set up in USBHAL::realiseEndpoint*/
+ /*usbx_function_clear_alt();*/ /* Alternate setting clear */
+ /*usbx_function_set_pid_buf(USB_FUNCTION_PIPE0);*/
+}
+
+
+/*************************************************************************/
+void USBHAL::unconfigureDevice(void)
+{
+ /* The Interface would be managed by USBDevice */
+ /*usbx_function_clear_alt();*/ /* Alternate setting clear */
+ /*usbx_function_set_pid_buf(USB_FUNCTION_PIPE0);*/
+}
+
+
+/*************************************************************************/
+void USBHAL::setAddress(uint8_t address)
+{
+ if (address <= 127) {
+ usbx_function_set_pid_buf(USB_FUNCTION_PIPE0); /* OK */
+ } else {
+ usbx_function_set_pid_stall(USB_FUNCTION_PIPE0); /* Not Spec */
+ }
+}
+
+
+/*************************************************************************/
+bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket, uint32_t flags)
+{
+ const struct PIPECFGREC *cfg;
+ uint16_t pipe;
+ uint16_t buf;
+
+ if ( (EP0OUT == endpoint) || (EP0IN == endpoint) ) {
+ return true;
+ }
+
+ for (cfg = &def_pipecfg[0]; cfg->pipesel != 0; cfg++) {
+ if (cfg->endpoint == endpoint) {
+ break;
+ }
+ }
+ if (cfg->pipesel == 0) {
+ return false;
+ }
+
+ pipe = ((cfg->pipesel & USB_PIPESEL_PIPESEL) >> USB_PIPESEL_PIPESEL_SHIFT);
+
+ g_usbx_function_PipeTbl[ pipe ] = (uint16_t)(endpoint | ((cfg->pipesel & USB_FUNCTION_FIFO_USE) << 0));
+
+ /* There are maintenance routine of SHTNAK and BFRE bits
+ * in original sample program. This sample is not
+ * programmed. Do maintenance the "def_pipecfg" array if
+ * you want it. */
+
+ /* Interrupt Disable */
+ buf = USB20X.BRDYENB;
+ buf &= (uint16_t)~g_usbx_function_bit_set[pipe];
+ USB20X.BRDYENB = buf;
+ buf = USB20X.NRDYENB;
+ buf &= (uint16_t)~g_usbx_function_bit_set[pipe];
+ USB20X.NRDYENB = buf;
+ buf = USB20X.BEMPENB;
+ buf &= (uint16_t)~g_usbx_function_bit_set[pipe];
+ USB20X.BEMPENB = buf;
+
+ usbx_function_set_pid_nak(pipe);
+
+ /* CurrentPIPE Clear */
+ if (RZA_IO_RegRead_16(&USB20X.CFIFOSEL, USB_CFIFOSEL_CURPIPE_SHIFT, USB_CFIFOSEL_CURPIPE) == pipe) {
+ RZA_IO_RegWrite_16(&USB20X.CFIFOSEL, 0, USB_CFIFOSEL_CURPIPE_SHIFT, USB_CFIFOSEL_CURPIPE);
+ }
+
+ if (RZA_IO_RegRead_16(&USB20X.D0FIFOSEL, USB_DnFIFOSEL_CURPIPE_SHIFT, USB_DnFIFOSEL_CURPIPE) == pipe) {
+ RZA_IO_RegWrite_16(&USB20X.D0FIFOSEL, 0, USB_DnFIFOSEL_CURPIPE_SHIFT, USB_DnFIFOSEL_CURPIPE);
+ }
+
+ if (RZA_IO_RegRead_16(&USB20X.D1FIFOSEL, USB_DnFIFOSEL_CURPIPE_SHIFT, USB_DnFIFOSEL_CURPIPE) == pipe) {
+ RZA_IO_RegWrite_16(&USB20X.D1FIFOSEL, 0, USB_DnFIFOSEL_CURPIPE_SHIFT, USB_DnFIFOSEL_CURPIPE);
+ }
+
+ /* PIPE Configuration */
+ USB20X.PIPESEL = pipe;
+ USB20X.PIPECFG = cfg->pipecfg;
+ USB20X.PIPEBUF = cfg->pipebuf;
+ USB20X.PIPEMAXP = cfg->pipemaxp;
+ USB20X.PIPEPERI = cfg->pipeperi;
+
+ g_usbx_function_pipecfg[pipe] = cfg->pipecfg;
+ g_usbx_function_pipebuf[pipe] = cfg->pipebuf;
+ g_usbx_function_pipemaxp[pipe] = cfg->pipemaxp;
+ g_usbx_function_pipeperi[pipe] = cfg->pipeperi;
+
+ /* Buffer Clear */
+ usbx_function_set_sqclr(pipe);
+ usbx_function_aclrm(pipe);
+
+ /* init Global */
+ g_usbx_function_pipe_status[pipe] = DEVDRV_USBF_PIPE_IDLE;
+ g_usbx_function_PipeDataSize[pipe] = 0;
+
+ return true;
+}
+
+
+/*************************************************************************/
+// read setup packet
+void USBHAL::EP0setup(uint8_t *buffer)
+{
+ memcpy(buffer, setup_buffer, MAX_PACKET_SIZE_EP0);
+}
+
+
+/*************************************************************************/
+void USBHAL::EP0readStage(void)
+{
+ // No implements
+}
+
+
+/*************************************************************************/
+void USBHAL::EP0read(void)
+{
+ uint8_t *buffer;
+ uint32_t size;
+
+ /* remain of last writing */
+ while (EP0_read_status != DEVDRV_USBF_WRITEEND) {
+ static uint8_t bbb[2] = { 255, 255 };
+ EP0write(&bbb[0], 0);
+ }
+
+ buffer = (uint8_t*)(&setup_buffer[4]);
+ size = (MAX_PACKET_SIZE_EP0 / 2) - 8;
+ usbx_api_function_CtrlWriteStart(size, buffer);
+}
+
+
+/*************************************************************************/
+uint32_t USBHAL::EP0getReadResult(uint8_t *buffer)
+{
+ memcpy(buffer, (uint8_t*)(&setup_buffer[4]), g_usbx_function_PipeDataSize[USB_FUNCTION_PIPE0]);
+
+ return g_usbx_function_PipeDataSize[USB_FUNCTION_PIPE0];
+}
+
+
+/*************************************************************************/
+void USBHAL::EP0write(uint8_t *buffer, uint32_t size)
+{
+ /* zero byte writing */
+ if ( (size == 0) && (EP0_read_status == DEVDRV_USBF_WRITEEND) ) {
+ return;
+ }
+
+ if (EP0_read_status == DEVDRV_USBF_WRITEEND) {
+ /*1st block*/
+ EP0_read_status = usbx_api_function_CtrlReadStart(size, buffer);
+ } else {
+ /* waits the last transmission */
+ /*other blocks*/
+ g_usbx_function_data_count[ USB_FUNCTION_PIPE0 ] = size;
+ g_usbx_function_data_pointer [ USB_FUNCTION_PIPE0 ] = buffer;
+ EP0_read_status = usbx_function_write_buffer_c(USB_FUNCTION_PIPE0);
+ }
+ /*max size may be deblocking outside*/
+ if (size == MAX_PACKET_SIZE_EP0) {
+ EP0_read_status = DEVDRV_USBF_WRITING;
+ }
+}
+
+
+/*************************************************************************/
+#if 0 // No implements
+void USBHAL::EP0getWriteResult(void)
+{
+}
+#endif
+
+/*************************************************************************/
+void USBHAL::EP0stall(void)
+{
+ stallEndpoint( 0 );
+}
+
+
+/*************************************************************************/
+EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t max_size)
+{
+ uint32_t pipe = EP2PIPE(endpoint);
+ uint32_t pipe_size;
+ uint16_t pipe_status;
+ EP_STATUS status = EP_COMPLETED;
+
+ pipe_status = usbx_api_function_check_pipe_status(pipe, &pipe_size);
+
+ switch (pipe_status) {
+ case DEVDRV_USBF_PIPE_IDLE:
+ case DEVDRV_USBF_PIPE_WAIT:
+ usbx_api_function_set_pid_nak(pipe);
+ usbx_api_function_clear_pipe_status(pipe);
+
+ usbx_api_function_start_receive_transfer(pipe, max_size, recv_buffer);
+ break;
+
+ default:
+ status = EP_PENDING;
+ break;
+ }
+
+ return status;
+}
+
+
+/*************************************************************************/
+EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t *buffer, uint32_t *bytes_read )
+{
+ uint32_t pipe = EP2PIPE(endpoint);
+ uint16_t pipe_status;
+ uint16_t err;
+ EP_STATUS status = EP_PENDING;
+
+
+ if (EPx_read_status != DEVDRV_USBF_PIPE_WAIT) {
+ return status;
+ }
+
+ pipe_status = usbx_api_function_check_pipe_status(pipe, bytes_read);
+ switch (pipe_status) {
+ case DEVDRV_USBF_PIPE_IDLE:
+ return EP_COMPLETED;
+
+ case DEVDRV_USBF_PIPE_DONE:
+ return EP_COMPLETED;
+
+ case DEVDRV_USBF_PIPE_WAIT:
+ break;
+
+ default:
+ return status;
+ }
+
+ /* sets the output buffer and size */
+ g_usbx_function_data_pointer[pipe] = buffer;
+
+ /* receives data from pipe */
+ err = usbx_function_read_buffer(pipe);
+ recv_error = err;
+ switch (err) {
+ case USB_FUNCTION_READEND:
+ case USB_FUNCTION_READSHRT:
+ case USB_FUNCTION_READOVER:
+ *bytes_read = g_usbx_function_PipeDataSize[pipe];
+ break;
+
+ case USB_FUNCTION_READING:
+ case DEVDRV_USBF_FIFOERROR:
+ break;
+ }
+
+ pipe_status = usbx_api_function_check_pipe_status(pipe, bytes_read);
+ switch (pipe_status) {
+ case DEVDRV_USBF_PIPE_DONE:
+ status = EP_COMPLETED;
+ break;
+
+ case DEVDRV_USBF_PIPE_IDLE:
+ case DEVDRV_USBF_PIPE_NORES:
+ case DEVDRV_USBF_PIPE_STALL:
+ case DEVDRV_USBF_FIFOERROR:
+ default:
+ break;
+ }
+
+ return status;
+}
+
+
+/*************************************************************************/
+EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size)
+{
+ uint32_t pipe = EP2PIPE(endpoint);
+ uint32_t pipe_size;
+ uint16_t pipe_status;
+ uint16_t err;
+ uint16_t count;
+ EP_STATUS status = EP_PENDING;
+
+ pipe_status = usbx_api_function_check_pipe_status(pipe, &pipe_size);
+
+ /* waits the last transmission */
+ count = 30000;
+ while ((pipe_status == DEVDRV_USBF_PIPE_WAIT) || (pipe_status == DEVDRV_USBF_PIPE_DONE)) {
+ pipe_status = usbx_api_function_check_pipe_status(pipe, &pipe_size);
+ if( --count == 0 ) {
+ pipe_status = DEVDRV_USBF_PIPE_STALL;
+ break;
+ }
+ }
+
+ switch (pipe_status) {
+ case DEVDRV_USBF_PIPE_IDLE:
+ err = usbx_api_function_start_send_transfer(pipe, size, data);
+
+ switch (err) {
+ /* finish to write */
+ case DEVDRV_USBF_WRITEEND:
+ /* finish to write, but data is short */
+ case DEVDRV_USBF_WRITESHRT:
+ /* continue to write */
+ case DEVDRV_USBF_WRITING:
+ /* use DMA */
+ case DEVDRV_USBF_WRITEDMA:
+ /* error */
+ case DEVDRV_USBF_FIFOERROR:
+ status = EP_PENDING;
+ break;
+ }
+ break;
+
+ case DEVDRV_USBF_PIPE_WAIT:
+ case DEVDRV_USBF_PIPE_DONE:
+ status = EP_PENDING;
+ break;
+
+ case DEVDRV_USBF_PIPE_NORES:
+ case DEVDRV_USBF_PIPE_STALL:
+ default:
+ status = EP_STALLED;
+ break;
+ }
+
+ return status;
+}
+
+
+/*************************************************************************/
+EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint)
+{
+ uint32_t pipe = EP2PIPE(endpoint);
+ uint32_t pipe_size;
+ uint16_t pipe_status;
+ EP_STATUS status = EP_PENDING;
+
+ pipe_status = usbx_api_function_check_pipe_status(pipe, &pipe_size);
+
+ switch (pipe_status) {
+ case DEVDRV_USBF_PIPE_IDLE:
+ status = EP_COMPLETED;
+ break;
+
+ case DEVDRV_USBF_PIPE_WAIT:
+ status = EP_PENDING;
+ break;
+
+ case DEVDRV_USBF_PIPE_DONE:
+ usbx_function_stop_transfer(pipe);
+ status = EP_COMPLETED;
+ break;
+
+ case DEVDRV_USBF_PIPE_NORES:
+ status = EP_STALLED;
+ break;
+
+ case DEVDRV_USBF_PIPE_STALL:
+ status = EP_STALLED;
+ break;
+
+ default:
+ status = EP_PENDING;
+ }
+
+ return status;
+}
+
+
+/*************************************************************************/
+void USBHAL::stallEndpoint(uint8_t endpoint)
+{
+ uint32_t pipe = EP2PIPE(endpoint);
+
+ usbx_function_clear_pid_stall(pipe);
+}
+
+
+/*************************************************************************/
+void USBHAL::unstallEndpoint(uint8_t endpoint)
+{
+ uint32_t pipe = EP2PIPE(endpoint);
+
+ usbx_function_set_pid_stall( pipe );
+}
+
+
+/*************************************************************************/
+bool USBHAL::getEndpointStallState(uint8_t endpoint)
+{
+ // No implemens
+ return false;
+}
+
+
+/*************************************************************************/
+#if 0 // No implements
+void USBHAL::remoteWakeup(void)
+{
+}
+#endif
+
+/*************************************************************************/
+void USBHAL::_usbisr(void)
+{
+ instance->usbisr();
+}
+
+
+/*************************************************************************/
+void USBHAL::usbisr(void)
+{
+ uint16_t int_sts0;
+ uint16_t int_sts1;
+ uint16_t int_sts2;
+ uint16_t int_sts3;
+ uint16_t int_enb0;
+ uint16_t int_enb2;
+ uint16_t int_enb3;
+ uint16_t int_enb4;
+ volatile uint16_t dumy_sts;
+
+
+ int_sts0 = USB20X.INTSTS0;
+
+ if (!(int_sts0 & (
+ USB_FUNCTION_BITVBINT |
+ USB_FUNCTION_BITRESM |
+ USB_FUNCTION_BITSOFR |
+ USB_FUNCTION_BITDVST |
+ USB_FUNCTION_BITCTRT |
+ USB_FUNCTION_BITBEMP |
+ USB_FUNCTION_BITNRDY |
+ USB_FUNCTION_BITBRDY ))) {
+ return;
+ }
+
+ int_sts1 = USB20X.BRDYSTS;
+ int_sts2 = USB20X.NRDYSTS;
+ int_sts3 = USB20X.BEMPSTS;
+ int_enb0 = USB20X.INTENB0;
+ int_enb2 = USB20X.BRDYENB;
+ int_enb3 = USB20X.NRDYENB;
+ int_enb4 = USB20X.BEMPENB;
+
+ if ((int_sts0 & USB_FUNCTION_BITRESM) &&
+ (int_enb0 & USB_FUNCTION_BITRSME)) {
+ USB20X.INTSTS0 = (uint16_t)~USB_FUNCTION_BITRESM;
+ RZA_IO_RegWrite_16(&USB20X.INTENB0, 0, USB_INTENB0_RSME_SHIFT, USB_INTENB0_RSME);
+ /*usbx_function_USB_FUNCTION_Resume();*/
+ suspendStateChanged(1);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITVBINT) &&
+ (int_enb0 & USB_FUNCTION_BITVBSE)) {
+ USB20X.INTSTS0 = (uint16_t)~USB_FUNCTION_BITVBINT;
+
+ if (usbx_function_CheckVBUStaus() == DEVDRV_USBF_ON) {
+ usbx_function_USB_FUNCTION_Attach();
+ } else {
+ usbx_function_USB_FUNCTION_Detach();
+ }
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITSOFR) &&
+ (int_enb0 & USB_FUNCTION_BITSOFE)) {
+ USB20X.INTSTS0 = (uint16_t)~USB_FUNCTION_BITSOFR;
+ SOF((USB20X.FRMNUM & USB_FRMNUM_FRNM) >> USB_FRMNUM_FRNM_SHIFT);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITDVST) &&
+ (int_enb0 & USB_FUNCTION_BITDVSE)) {
+ USB20X.INTSTS0 = (uint16_t)~USB_FUNCTION_BITDVST;
+ switch (int_sts0 & USB_FUNCTION_BITDVSQ) {
+ case USB_FUNCTION_DS_POWR:
+ break;
+
+ case USB_FUNCTION_DS_DFLT:
+ /*****************************************************************************
+ * Function Name: usbx_function_USB_FUNCTION_BusReset
+ * Description : This function is executed when the USB device is transitioned
+ * : to POWERD_STATE. Sets the device descriptor according to the
+ * : connection speed determined by the USB reset hand shake.
+ * Arguments : none
+ * Return Value : none
+ *****************************************************************************/
+ usbx_function_init_status(); /* memory clear */
+
+#if 0
+ /* You would program those steps in USBCallback_busReset
+ * if the system need the comment out steps.
+ */
+
+ if (usbx_function_is_hispeed() == USB_FUNCTION_HIGH_SPEED) {
+ /* Device Descriptor reset */
+ usbx_function_ResetDescriptor(USB_FUNCTION_HIGH_SPEED);
+ } else {
+ /* Device Descriptor reset */
+ usbx_function_ResetDescriptor(USB_FUNCTION_FULL_SPEED);
+ }
+#endif
+ /* Default Control PIPE reset */
+ /*****************************************************************************
+ * Function Name: usbx_function_ResetDCP
+ * Description : Initializes the default control pipe(DCP).
+ * Outline : Reset default control pipe
+ * Arguments : none
+ * Return Value : none
+ *****************************************************************************/
+ USB20X.DCPCFG = 0;
+ USB20X.DCPMAXP = 64; /*TODO: This value is copied from sample*/
+
+ USB20X.CFIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE);
+ USB20X.D0FIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE);
+ USB20X.D1FIFOSEL = (uint16_t)(USB_FUNCTION_BITMBW_8 | USB_FUNCTION_BITBYTE_LITTLE);
+
+ busReset();
+ break;
+
+ case USB_FUNCTION_DS_ADDS:
+ break;
+
+ case USB_FUNCTION_DS_CNFG:
+ break;
+
+ case USB_FUNCTION_DS_SPD_POWR:
+ case USB_FUNCTION_DS_SPD_DFLT:
+ case USB_FUNCTION_DS_SPD_ADDR:
+ case USB_FUNCTION_DS_SPD_CNFG:
+ suspendStateChanged(0);
+ /*usbx_function_USB_FUNCTION_Suspend();*/
+ break;
+
+ default:
+ break;
+ }
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITBEMP) &&
+ (int_enb0 & USB_FUNCTION_BITBEMP) &&
+ ((int_sts3 & int_enb4) & g_usbx_function_bit_set[USB_FUNCTION_PIPE0])) {
+ /* ==== BEMP PIPE0 ==== */
+ usbx_function_BEMPInterruptPIPE0(int_sts3, int_enb4, this, &USBHAL::EP0in);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITBRDY) &&
+ (int_enb0 & USB_FUNCTION_BITBRDY) &&
+ ((int_sts1 & int_enb2) & g_usbx_function_bit_set[USB_FUNCTION_PIPE0])) {
+ /* ==== BRDY PIPE0 ==== */
+ usbx_function_BRDYInterruptPIPE0(int_sts1, int_enb2, this, &USBHAL::EP0out);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITNRDY) &&
+ (int_enb0 & USB_FUNCTION_BITNRDY) &&
+ ((int_sts2 & int_enb3) & g_usbx_function_bit_set[USB_FUNCTION_PIPE0])) {
+ /* ==== NRDY PIPE0 ==== */
+ usbx_function_NRDYInterruptPIPE0(int_sts2, int_enb3, this, NULL);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITCTRT) && (int_enb0 & USB_FUNCTION_BITCTRE)) {
+ int_sts0 = USB20X.INTSTS0;
+ USB20X.INTSTS0 = (uint16_t)~USB_FUNCTION_BITCTRT;
+
+ if (((int_sts0 & USB_FUNCTION_BITCTSQ) == USB_FUNCTION_CS_RDDS) ||
+ ((int_sts0 & USB_FUNCTION_BITCTSQ) == USB_FUNCTION_CS_WRDS) ||
+ ((int_sts0 & USB_FUNCTION_BITCTSQ) == USB_FUNCTION_CS_WRND)) {
+
+ /* remake EP0 into buffer */
+ usbx_function_save_request();
+ if ((USB20X.INTSTS0 & USB_FUNCTION_BITVALID) && (
+ ((int_sts0 & USB_FUNCTION_BITCTSQ) == USB_FUNCTION_CS_RDDS) ||
+ ((int_sts0 & USB_FUNCTION_BITCTSQ) == USB_FUNCTION_CS_WRDS) ||
+ ((int_sts0 & USB_FUNCTION_BITCTSQ) == USB_FUNCTION_CS_WRND))) {
+ /* New SETUP token received */
+ /* Three dummy reads for cleearing interrupt requests */
+ dumy_sts = USB20X.INTSTS0;
+ dumy_sts = USB20X.INTSTS0;
+ dumy_sts = USB20X.INTSTS0;
+ return;
+ }
+ }
+
+ switch (int_sts0 & USB_FUNCTION_BITCTSQ) {
+ case USB_FUNCTION_CS_IDST:
+ if (g_usbx_function_TestModeFlag == DEVDRV_USBF_YES) {
+ /* ==== Test Mode ==== */
+ usbx_function_USB_FUNCTION_TestMode();
+ }
+ /* Needs not procedure in this state */
+ break;
+
+ case USB_FUNCTION_CS_RDDS:
+ /* Reads a setup packet */
+ EP0setupCallback();
+ break;
+
+ case USB_FUNCTION_CS_WRDS:
+ /* Original code was the SetDescriptor was called */
+ EP0setupCallback();
+ break;
+
+ case USB_FUNCTION_CS_WRND:
+ EP0setupCallback();
+
+ /*The EP0setupCallback should finish in successful */
+ usbx_function_set_pid_buf(USB_FUNCTION_PIPE0);
+
+ RZA_IO_RegWrite_16(&USB20X.DCPCTR, 1, USB_DCPCTR_CCPL_SHIFT, USB_DCPCTR_CCPL);
+ break;
+
+ case USB_FUNCTION_CS_RDSS:
+ RZA_IO_RegWrite_16(&USB20X.DCPCTR, 1, USB_DCPCTR_CCPL_SHIFT, USB_DCPCTR_CCPL);
+ break;
+
+ case USB_FUNCTION_CS_WRSS:
+ RZA_IO_RegWrite_16(&USB20X.DCPCTR, 1, USB_DCPCTR_CCPL_SHIFT, USB_DCPCTR_CCPL);
+ break;
+
+ case USB_FUNCTION_CS_SQER:
+ usbx_function_set_pid_stall(USB_FUNCTION_PIPE0);
+ break;
+
+ default:
+ usbx_function_set_pid_stall(USB_FUNCTION_PIPE0);
+ break;
+ }
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITBEMP) &&
+ (int_enb0 & USB_FUNCTION_BITBEMP) &&
+ (int_sts3 & int_enb4) ) {
+ /* ==== BEMP PIPEx ==== */
+ usbx_function_BEMPInterrupt(int_sts3, int_enb4, this, epCallback);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITBRDY) &&
+ (int_enb0 & USB_FUNCTION_BITBRDY) &&
+ (int_sts1 & int_enb2) ) {
+ /* ==== BRDY PIPEx ==== */
+ usbx_function_BRDYInterrupt(int_sts1, int_enb2, this, epCallback);
+ } else if (
+ (int_sts0 & USB_FUNCTION_BITNRDY) &&
+ (int_enb0 & USB_FUNCTION_BITNRDY) &&
+ (int_sts2 & int_enb3)) {
+ /* ==== NRDY PIPEx ==== */
+ usbx_function_NRDYInterrupt(int_sts2, int_enb3, this, epCallback);
+ } else {
+ /* Do Nothing */
+ }
+
+ /* Three dummy reads for cleearing interrupt requests */
+ dumy_sts = USB20X.INTSTS0;
+ dumy_sts = USB20X.INTSTS1;
+}
+
+/*************************************************************************/
+#endif
+/*************************************************************************/
+/*EOF*/