680 lines
16 KiB
C
680 lines
16 KiB
C
/* USB Device Firmware Update Implementation for OpenPCD
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* (C) 2006 by Harald Welte <hwelte@hmw-consulting.de>
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*
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* This ought to be compliant to the USB DFU Spec 1.0 as available from
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* http://www.usb.org/developers/devclass_docs/usbdfu10.pdf
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*
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*/
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#include <errno.h>
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#include <usb_ch9.h>
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#include <usb_dfu.h>
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#include <lib_AT91SAM7.h>
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#include <os/dfu.h>
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#include <os/pcd_enumerate.h>
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#include <os/req_ctx.h>
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#include "../openpcd.h"
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/* If debug is enabled, we need to access debug functions from flash
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* and therefore have to omit flashing */
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//#define DEBUG_DFU
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#ifdef DEBUG_DFU
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#define DEBUGE DEBUGP
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#define DEBUGI DEBUGP
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#else
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#define DEBUGE(x, args ...) do { } while (0)
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#define DEBUGI(x, args ...) do { } while (0)
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#endif
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/* this is only called once before DFU mode, no __dfufunc required */
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void udp_init(void)
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{
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/* Set the PLL USB Divider */
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AT91C_BASE_CKGR->CKGR_PLLR |= AT91C_CKGR_USBDIV_1;
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/* Enables the 48MHz USB clock UDPCK and System Peripheral USB Clock */
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AT91C_BASE_PMC->PMC_SCER = AT91C_PMC_UDP;
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AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_UDP);
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/* Enable UDP PullUp (USB_DP_PUP) : enable & Clear of the corresponding PIO
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* Set in PIO mode and Configure in Output */
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AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUP);
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}
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/* Send Data through the control endpoint */
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static void __dfufunc udp_ep0_send_data(const char *pData, u_int32_t length)
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{
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AT91PS_UDP pUdp = AT91C_BASE_UDP;
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u_int32_t cpt = 0;
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AT91_REG csr;
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DEBUGE("send_data: %u bytes ", length);
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do {
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cpt = MIN(length, 8);
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length -= cpt;
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while (cpt--)
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pUdp->UDP_FDR[0] = *pData++;
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if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
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pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
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while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) ;
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}
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pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
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do {
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csr = pUdp->UDP_CSR[0];
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/* Data IN stage has been stopped by a status OUT */
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if (csr & AT91C_UDP_RX_DATA_BK0) {
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pUdp->UDP_CSR[0] &= ~(AT91C_UDP_RX_DATA_BK0);
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DEBUGE("stopped by status out ");
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return;
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}
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} while (!(csr & AT91C_UDP_TXCOMP));
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} while (length);
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if (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) {
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pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
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while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) ;
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}
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}
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/* Send zero length packet through the control endpoint */
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static void __dfufunc udp_ep0_send_zlp(void)
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{
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AT91PS_UDP pUdp = AT91C_BASE_UDP;
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pUdp->UDP_CSR[0] |= AT91C_UDP_TXPKTRDY;
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while (!(pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP)) ;
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pUdp->UDP_CSR[0] &= ~(AT91C_UDP_TXCOMP);
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while (pUdp->UDP_CSR[0] & AT91C_UDP_TXCOMP) ;
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}
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/* Stall the control endpoint */
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static void __dfufunc udp_ep0_send_stall(void)
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{
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AT91PS_UDP pUdp = AT91C_BASE_UDP;
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pUdp->UDP_CSR[0] |= AT91C_UDP_FORCESTALL;
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while (!(pUdp->UDP_CSR[0] & AT91C_UDP_ISOERROR)) ;
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pUdp->UDP_CSR[0] &= ~(AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR);
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while (pUdp->UDP_CSR[0] & (AT91C_UDP_FORCESTALL | AT91C_UDP_ISOERROR)) ;
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}
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static u_int8_t status;
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static u_int8_t *ptr;
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static u_int8_t dfu_state;
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static int __dfufunc handle_dnload(u_int16_t val, u_int16_t len)
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{
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volatile u_int32_t *p = (volatile u_int32_t *)ptr;
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DEBUGE("download ");
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if (len > AT91C_IFLASH_PAGE_SIZE) {
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/* Too big */
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dfu_state = DFU_STATE_dfuERROR;
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status = DFU_STATUS_errADDRESS;
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udp_ep0_send_stall();
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return -EINVAL;
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}
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if (len & 0x3) {
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dfu_state = DFU_STATE_dfuERROR;
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status = DFU_STATUS_errADDRESS;
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udp_ep0_send_stall();
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return -EINVAL;
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}
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if (len == 0) {
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dfu_state = DFU_STATE_dfuMANIFEST_SYNC;
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return 0;
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}
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#if 0
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for (i = 0; i < len/4; i++)
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p[i] =
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#endif
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/* FIXME: get data packet from FIFO, (erase+)write flash */
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#ifndef DEBUG_DFU
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#endif
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return 0;
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}
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static __dfufunc int handle_upload(u_int16_t val, u_int16_t len)
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{
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DEBUGE("upload ");
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if (len > AT91C_IFLASH_PAGE_SIZE
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|| ptr > AT91C_IFLASH_SIZE) {
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/* Too big */
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dfu_state = DFU_STATE_dfuERROR;
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status = DFU_STATUS_errADDRESS;
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udp_ep0_send_stall();
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return -EINVAL;
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}
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if (ptr + len > AT91C_IFLASH_SIZE)
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len = AT91C_IFLASH_SIZE - (u_int32_t) ptr;
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udp_ep0_send_data((char *)ptr, len);
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ptr+= len;
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return len;
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}
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static __dfufunc void handle_getstatus(void)
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{
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struct dfu_status dstat;
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DEBUGE("getstatus ");
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/* send status response */
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dstat.bStatus = status;
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dstat.bState = dfu_state;
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dstat.iString = 0;
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udp_ep0_send_data((char *)&dstat, sizeof(dstat));
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}
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static void __dfufunc handle_getstate(void)
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{
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u_int8_t u8 = dfu_state;
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DEBUGE("getstate ");
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udp_ep0_send_data((char *)&u8, sizeof(u8));
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}
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/* callback function for DFU requests */
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int __dfufunc dfu_ep0_handler(u_int8_t req_type, u_int8_t req,
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u_int16_t val, u_int16_t len)
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{
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int rc;
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DEBUGE("old_state = %u ", dfu_state);
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switch (dfu_state) {
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case DFU_STATE_appIDLE:
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if (req != USB_REQ_DFU_DETACH)
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goto send_stall;
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dfu_state = DFU_STATE_appDETACH;
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goto send_zlp;
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break;
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case DFU_STATE_appDETACH:
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switch (req) {
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case USB_REQ_DFU_GETSTATUS:
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handle_getstatus();
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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default:
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dfu_state = DFU_STATE_appIDLE;
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goto send_stall;
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break;
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}
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/* FIXME: implement timer to return to appIDLE */
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break;
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case DFU_STATE_dfuIDLE:
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switch (req) {
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case USB_REQ_DFU_DNLOAD:
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if (len == 0) {
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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}
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handle_dnload(val, len);
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break;
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case USB_REQ_DFU_UPLOAD:
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ptr = 0;
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dfu_state = DFU_STATE_dfuUPLOAD_IDLE;
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handle_upload(val, len);
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break;
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case USB_REQ_DFU_ABORT:
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/* no zlp? */
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goto send_zlp;
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break;
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case USB_REQ_DFU_GETSTATUS:
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handle_getstatus();
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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default:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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}
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break;
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case DFU_STATE_dfuDNLOAD_SYNC:
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switch (req) {
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case USB_REQ_DFU_GETSTATUS:
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handle_getstatus();
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/* FIXME: state transition depending on block completeness */
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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default:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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}
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break;
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case DFU_STATE_dfuDNBUSY:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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case DFU_STATE_dfuDNLOAD_IDLE:
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switch (req) {
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case USB_REQ_DFU_DNLOAD:
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if (handle_dnload(val, len))
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/* FIXME: state transition */
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break;
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case USB_REQ_DFU_ABORT:
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dfu_state = DFU_STATE_dfuIDLE;
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goto send_zlp;
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break;
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case USB_REQ_DFU_GETSTATUS:
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handle_getstatus();
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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default:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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}
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break;
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case DFU_STATE_dfuMANIFEST_SYNC:
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switch (req) {
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case USB_REQ_DFU_GETSTATUS:
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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default:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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}
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break;
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case DFU_STATE_dfuMANIFEST:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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case DFU_STATE_dfuMANIFEST_WAIT_RST:
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/* we should never go here */
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break;
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case DFU_STATE_dfuUPLOAD_IDLE:
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switch (req) {
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case USB_REQ_DFU_UPLOAD:
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/* state transition if less data then requested */
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rc = handle_upload(val, len);
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if (rc >= 0 && rc < len)
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dfu_state = DFU_STATE_dfuIDLE;
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break;
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case USB_REQ_DFU_ABORT:
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dfu_state = DFU_STATE_dfuIDLE;
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/* no zlp? */
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goto send_zlp;
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break;
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case USB_REQ_DFU_GETSTATUS:
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handle_getstatus();
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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default:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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}
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break;
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case DFU_STATE_dfuERROR:
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switch (req) {
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case USB_REQ_DFU_GETSTATUS:
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handle_getstatus();
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break;
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case USB_REQ_DFU_GETSTATE:
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handle_getstate();
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break;
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case USB_REQ_DFU_CLRSTATUS:
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dfu_state = DFU_STATE_dfuIDLE;
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/* no zlp? */
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goto send_zlp;
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break;
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default:
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dfu_state = DFU_STATE_dfuERROR;
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goto send_stall;
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break;
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}
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break;
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}
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DEBUGE("OK new_state = %u\r\n", dfu_state);
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return 0;
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send_stall:
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udp_ep0_send_stall();
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DEBUGE("STALL new_state = %u\r\n", dfu_state);
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return -EINVAL;
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send_zlp:
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udp_ep0_send_zlp();
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DEBUGE("ZLP new_state = %u\r\n", dfu_state);
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return 0;
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}
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static u_int8_t cur_config;
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/* USB DFU Device descriptor in DFU mode */
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__dfustruct const struct usb_device_descriptor dfu_dev_descriptor = {
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.bLength = USB_DT_DEVICE_SIZE,
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.bDescriptorType = USB_DT_DEVICE,
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.bcdUSB = 0x0100,
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.bDeviceClass = 0x00,
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.bDeviceSubClass = 0x00,
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.bDeviceProtocol = 0x00,
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.bMaxPacketSize0 = 8,
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.idVendor = OPENPCD_VENDOR_ID,
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.idProduct = OPENPCD_PRODUCT_ID,
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.bcdDevice = 0x0000,
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.iManufacturer = 0x00,
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.iProduct = 0x00,
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.iSerialNumber = 0x00,
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.bNumConfigurations = 0x01,
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};
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/* USB DFU Config descriptor in DFU mode */
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__dfustruct const struct _dfu_desc dfu_cfg_descriptor = {
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.ucfg = {
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.bLength = USB_DT_CONFIG_SIZE,
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.bDescriptorType = USB_DT_CONFIG,
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.wTotalLength = USB_DT_CONFIG_SIZE +
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2* USB_DT_INTERFACE_SIZE +
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USB_DT_DFU_SIZE,
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = 0,
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.bmAttributes = USB_CONFIG_ATT_ONE,
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.bMaxPower = 100,
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},
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.uif[0] = {
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.bLength = USB_DT_INTERFACE_SIZE,
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0x00,
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.bAlternateSetting = 0x00,
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.bNumEndpoints = 0x00,
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.bInterfaceClass = 0xfe,
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.bInterfaceSubClass = 0x01,
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.bInterfaceProtocol = 0x02,
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.iInterface = 0,
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},
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.uif[1] = {
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.bLength = USB_DT_INTERFACE_SIZE,
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.bDescriptorType = USB_DT_INTERFACE,
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.bInterfaceNumber = 0x00,
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.bAlternateSetting = 0x01,
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.bNumEndpoints = 0x00,
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.bInterfaceClass = 0xfe,
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.bInterfaceSubClass = 0x01,
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.bInterfaceProtocol = 0x02,
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.iInterface = 0,
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},
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.func_dfu = DFU_FUNC_DESC,
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};
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/* minimal USB EP0 handler in DFU mode */
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static __dfufunc void dfu_udp_ep0_handler(void)
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{
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AT91PS_UDP pUDP = AT91C_BASE_UDP;
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u_int8_t bmRequestType, bRequest;
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u_int16_t wValue, wIndex, wLength, wStatus;
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u_int32_t csr = pUDP->UDP_CSR[0];
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DEBUGE("CSR=0x%04x ", csr);
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if (csr & AT91C_UDP_STALLSENT) {
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DEBUGE("ACK_STALLSENT ");
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pUDP->UDP_CSR[0] = ~AT91C_UDP_STALLSENT;
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}
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if (csr & AT91C_UDP_RX_DATA_BK0) {
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DEBUGE("ACK_BANK0 ");
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pUDP->UDP_CSR[0] &= ~AT91C_UDP_RX_DATA_BK0;
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}
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if (!(csr & AT91C_UDP_RXSETUP)) {
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DEBUGE("no setup packet ");
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return;
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}
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DEBUGE("len=%d ", csr >> 16);
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if (csr >> 16 == 0) {
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DEBUGE("empty packet ");
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return;
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}
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bmRequestType = pUDP->UDP_FDR[0];
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bRequest = pUDP->UDP_FDR[0];
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wValue = (pUDP->UDP_FDR[0] & 0xFF);
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wValue |= (pUDP->UDP_FDR[0] << 8);
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wIndex = (pUDP->UDP_FDR[0] & 0xFF);
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wIndex |= (pUDP->UDP_FDR[0] << 8);
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wLength = (pUDP->UDP_FDR[0] & 0xFF);
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wLength |= (pUDP->UDP_FDR[0] << 8);
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DEBUGE("bmRequestType=0x%2x ", bmRequestType);
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if (bmRequestType & 0x80) {
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DEBUGE("DATA_IN=1 ");
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pUDP->UDP_CSR[0] |= AT91C_UDP_DIR;
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while (!(pUDP->UDP_CSR[0] & AT91C_UDP_DIR)) ;
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}
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pUDP->UDP_CSR[0] &= ~AT91C_UDP_RXSETUP;
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while ((pUDP->UDP_CSR[0] & AT91C_UDP_RXSETUP)) ;
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/* Handle supported standard device request Cf Table 9-3 in USB
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* speciication Rev 1.1 */
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switch ((bRequest << 8) | bmRequestType) {
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case STD_GET_DESCRIPTOR:
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DEBUGE("GET_DESCRIPTOR ");
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if (wValue == 0x100) {
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/* Return Device Descriptor */
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udp_ep0_send_data((const char *)
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&dfu_dev_descriptor,
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MIN(sizeof(dfu_dev_descriptor),
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wLength));
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} else if (wValue == 0x200) {
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/* Return Configuration Descriptor */
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udp_ep0_send_data((const char *)
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&dfu_cfg_descriptor,
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MIN(sizeof(dfu_cfg_descriptor),
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wLength));
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#if 0
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} else if (wValue == 0x400) {
|
|
/* Return Interface descriptor */
|
|
if (wIndex != 0x01)
|
|
udp_ep0_send_stall();
|
|
udp_ep0_send_data((const char *)
|
|
&dfu_if_descriptor,
|
|
MIN(sizeof(dfu_if_descriptor),
|
|
wLength));
|
|
#endif
|
|
} else
|
|
udp_ep0_send_stall();
|
|
break;
|
|
case STD_SET_ADDRESS:
|
|
DEBUGE("SET_ADDRESS ");
|
|
udp_ep0_send_zlp();
|
|
pUDP->UDP_FADDR = (AT91C_UDP_FEN | wValue);
|
|
pUDP->UDP_GLBSTATE = (wValue) ? AT91C_UDP_FADDEN : 0;
|
|
break;
|
|
case STD_SET_CONFIGURATION:
|
|
DEBUGE("SET_CONFIG ");
|
|
if (wValue)
|
|
DEBUGE("VALUE!=0 ");
|
|
cur_config = wValue;
|
|
udp_ep0_send_zlp();
|
|
pUDP->UDP_GLBSTATE =
|
|
(wValue) ? AT91C_UDP_CONFG : AT91C_UDP_FADDEN;
|
|
pUDP->UDP_CSR[1] =
|
|
(wValue) ? (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_BULK_OUT) :
|
|
0;
|
|
pUDP->UDP_CSR[2] =
|
|
(wValue) ? (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_BULK_IN) : 0;
|
|
pUDP->UDP_CSR[3] =
|
|
(wValue) ? (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_INT_IN) : 0;
|
|
pUDP->UDP_IER = (AT91C_UDP_EPINT0|AT91C_UDP_EPINT1|
|
|
AT91C_UDP_EPINT2|AT91C_UDP_EPINT3);
|
|
break;
|
|
case STD_GET_CONFIGURATION:
|
|
DEBUGE("GET_CONFIG ");
|
|
udp_ep0_send_data((char *)&(cur_config),
|
|
sizeof(cur_config));
|
|
break;
|
|
case STD_GET_STATUS_ZERO:
|
|
DEBUGE("GET_STATUS_ZERO ");
|
|
wStatus = 0;
|
|
udp_ep0_send_data((char *)&wStatus, sizeof(wStatus));
|
|
break;
|
|
case STD_GET_STATUS_INTERFACE:
|
|
DEBUGE("GET_STATUS_INTERFACE ");
|
|
wStatus = 0;
|
|
udp_ep0_send_data((char *)&wStatus, sizeof(wStatus));
|
|
break;
|
|
case STD_GET_STATUS_ENDPOINT:
|
|
DEBUGE("GET_STATUS_ENDPOINT(EPidx=%u) ", wIndex&0x0f);
|
|
wStatus = 0;
|
|
wIndex &= 0x0F;
|
|
if ((pUDP->UDP_GLBSTATE & AT91C_UDP_CONFG) && (wIndex == 0)) {
|
|
wStatus =
|
|
(pUDP->UDP_CSR[wIndex] & AT91C_UDP_EPEDS) ? 0 : 1;
|
|
udp_ep0_send_data((char *)&wStatus,
|
|
sizeof(wStatus));
|
|
} else if ((pUDP->UDP_GLBSTATE & AT91C_UDP_FADDEN)
|
|
&& (wIndex == 0)) {
|
|
wStatus =
|
|
(pUDP->UDP_CSR[wIndex] & AT91C_UDP_EPEDS) ? 0 : 1;
|
|
udp_ep0_send_data((char *)&wStatus,
|
|
sizeof(wStatus));
|
|
} else
|
|
udp_ep0_send_stall();
|
|
break;
|
|
case STD_SET_FEATURE_ZERO:
|
|
DEBUGE("SET_FEATURE_ZERO ");
|
|
udp_ep0_send_stall();
|
|
break;
|
|
case STD_SET_FEATURE_INTERFACE:
|
|
DEBUGE("SET_FEATURE_INTERFACE ");
|
|
udp_ep0_send_zlp();
|
|
break;
|
|
case STD_SET_FEATURE_ENDPOINT:
|
|
DEBUGE("SET_FEATURE_ENDPOINT ");
|
|
udp_ep0_send_stall();
|
|
break;
|
|
case STD_CLEAR_FEATURE_ZERO:
|
|
DEBUGE("CLEAR_FEATURE_ZERO ");
|
|
udp_ep0_send_stall();
|
|
break;
|
|
case STD_CLEAR_FEATURE_INTERFACE:
|
|
DEBUGE("CLEAR_FEATURE_INTERFACE ");
|
|
udp_ep0_send_zlp();
|
|
break;
|
|
case STD_CLEAR_FEATURE_ENDPOINT:
|
|
DEBUGE("CLEAR_FEATURE_ENDPOINT(EPidx=%u) ", wIndex & 0x0f);
|
|
udp_ep0_send_stall();
|
|
break;
|
|
case STD_SET_INTERFACE:
|
|
DEBUGE("SET INTERFACE ");
|
|
udp_ep0_send_stall();
|
|
break;
|
|
default:
|
|
DEBUGE("DEFAULT(req=0x%02x, type=0x%02x) ", bRequest, bmRequestType);
|
|
if ((bmRequestType & 0x3f) == USB_TYPE_DFU) {
|
|
dfu_ep0_handler(bmRequestType, bRequest, wValue, wLength);
|
|
} else
|
|
udp_ep0_send_stall();
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* minimal USB IRQ handler in DFU mode */
|
|
static __dfufunc void dfu_udp_irq(void)
|
|
{
|
|
AT91PS_UDP pUDP = AT91C_BASE_UDP;
|
|
AT91_REG isr = pUDP->UDP_ISR;
|
|
|
|
if (isr & AT91C_UDP_ENDBUSRES) {
|
|
pUDP->UDP_IER = AT91C_UDP_EPINT0;
|
|
/* reset all endpoints */
|
|
pUDP->UDP_RSTEP = (unsigned int)-1;
|
|
pUDP->UDP_RSTEP = 0;
|
|
/* Enable the function */
|
|
pUDP->UDP_FADDR = AT91C_UDP_FEN;
|
|
/* Configure endpoint 0 */
|
|
pUDP->UDP_CSR[0] = (AT91C_UDP_EPEDS | AT91C_UDP_EPTYPE_CTRL);
|
|
cur_config = 0;
|
|
}
|
|
|
|
if (isr & AT91C_UDP_EPINT0)
|
|
dfu_udp_ep0_handler();
|
|
|
|
/* clear all interrupts */
|
|
pUDP->UDP_ICR = isr;
|
|
|
|
AT91F_AIC_ClearIt(AT91C_BASE_AIC, AT91C_ID_UDP);
|
|
}
|
|
|
|
/* this is only called once before DFU mode, no __dfufunc required */
|
|
static void dfu_switch(void)
|
|
{
|
|
AT91PS_AIC pAic = AT91C_BASE_AIC;
|
|
|
|
DEBUGE("Switching to DFU mode ");
|
|
|
|
pAic->AIC_SVR[AT91C_ID_UDP] = (unsigned int) &dfu_udp_irq;
|
|
dfu_state = DFU_STATE_dfuIDLE;
|
|
}
|
|
|
|
void __dfufunc dfu_main(void)
|
|
{
|
|
/*
|
|
AT91F_AIC_ConfigureIt(AT91C_BASE_AIC, AT91C_ID_UDP,
|
|
OPENPCD_IRQ_PRIO_UDP,
|
|
AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL, dfu_udp_irq);
|
|
*/
|
|
|
|
AT91PS_AIC pAic = AT91C_BASE_AIC;
|
|
pAic->AIC_IDCR = 1 << AT91C_ID_UDP;
|
|
pAic->AIC_SVR[AT91C_ID_UDP] = (unsigned int) &dfu_udp_irq;
|
|
pAic->AIC_SMR[AT91C_ID_UDP] = AT91C_AIC_SRCTYPE_INT_HIGH_LEVEL |
|
|
OPENPCD_IRQ_PRIO_UDP;
|
|
pAic->AIC_ICCR = 1 << AT91C_ID_UDP;
|
|
|
|
AT91F_AIC_EnableIt(AT91C_BASE_AIC, AT91C_ID_UDP);
|
|
|
|
/* End-of-Bus-Reset is always enabled */
|
|
|
|
/* Clear for set the Pull up resistor */
|
|
AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, OPENPCD_PIO_UDP_PUP);
|
|
|
|
/* do nothing, since all of DFU is interrupt driven */
|
|
while (1) ;
|
|
}
|
|
|
|
const struct dfuapi __dfufunctab dfu_api = {
|
|
.ep0_send_data = &udp_ep0_send_data,
|
|
.ep0_send_zlp = &udp_ep0_send_zlp,
|
|
.ep0_send_stall = &udp_ep0_send_stall,
|
|
.dfu_ep0_handler = &dfu_ep0_handler,
|
|
.dfu_switch = &dfu_switch,
|
|
.dfu_state = &dfu_state,
|
|
.dfu_dev_descriptor = &dfu_dev_descriptor,
|
|
.dfu_cfg_descriptor = &dfu_cfg_descriptor,
|
|
};
|
|
|
|
int foo = 12345;
|