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atusb/fw/ep0.c: fixed ATUSB_SRAM_READ

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- ep0.c (my_setup): ATUSB_SRAM_READ is FROM_DEV, not TO_DEV
- ep0.c (my_setup): in ATUSB_SRAM_READ, write setup->wLength bytes,
  not "size" (which is uninitialized)
This commit is contained in:
Werner Almesberger 2011-06-03 14:25:19 -03:00
parent 6b447f805c
commit b733431847
1 changed files with 3 additions and 3 deletions
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6
atusb/fw/ep0.c
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@ -169,7 +169,7 @@ static int my_setup(const struct setup_request *setup)
size = setup->wLength+2; size = setup->wLength+2;
usb_recv(&eps[0], buf+2, setup->wLength, do_buf_write, NULL); usb_recv(&eps[0], buf+2, setup->wLength, do_buf_write, NULL);
return 1; return 1;
case ATUSB_TO_DEV(ATUSB_SRAM_READ): case ATUSB_FROM_DEV(ATUSB_SRAM_READ):
debug("ATUSB_SRAM_READ\n"); debug("ATUSB_SRAM_READ\n");
if (setup->wIndex > SRAM_SIZE) if (setup->wIndex > SRAM_SIZE)
return 0; return 0;
@ -178,10 +178,10 @@ static int my_setup(const struct setup_request *setup)
spi_begin(); spi_begin();
spi_send(AT86RF230_SRAM_READ); spi_send(AT86RF230_SRAM_READ);
spi_send(setup->wIndex); spi_send(setup->wIndex);
for (i = 0; i != size; i++) for (i = 0; i != setup->wLength; i++)
buf[i] = spi_recv(); buf[i] = spi_recv();
spi_end(); spi_end();
usb_send(&eps[0], buf, size, NULL, NULL); usb_send(&eps[0], buf, setup->wLength, NULL, NULL);
return 1; return 1;
default: default: