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imxtools/sbloader: implement stmp36xx recovery support

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Change-Id: I6cfb432cd474ca00d7dff77577c0aa499b78fe2d
This commit is contained in:
Amaury Pouly 2012-12-13 16:02:58 +01:00
parent 153bc0d7ec
commit 788bf2e3b2
1 changed files with 30 additions and 2 deletions
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32
utils/imxtools/sbtools/sbloader.c
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@ -24,6 +24,10 @@
#include <libusb.h> #include <libusb.h>
#include <stdint.h> #include <stdint.h>
#ifndef MIN
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#endif
void put32le(uint8_t *buf, uint32_t i) void put32le(uint8_t *buf, uint32_t i)
{ {
*buf++ = i & 0xff; *buf++ = i & 0xff;
@ -67,8 +71,8 @@ int send_hid(libusb_device_handle *dev, int xfer_size, uint8_t *data, int size,
libusb_detach_kernel_driver(dev, 0); libusb_detach_kernel_driver(dev, 0);
libusb_detach_kernel_driver(dev, 4); libusb_detach_kernel_driver(dev, 4);
libusb_claim_interface (dev, 0); libusb_claim_interface(dev, 0);
libusb_claim_interface (dev, 4); libusb_claim_interface(dev, 4);
uint8_t *xfer_buf = malloc(1 + xfer_size); uint8_t *xfer_buf = malloc(1 + xfer_size);
uint8_t *p = xfer_buf; uint8_t *p = xfer_buf;
@ -129,6 +133,30 @@ int send_hid(libusb_device_handle *dev, int xfer_size, uint8_t *data, int size,
int send_recovery(libusb_device_handle *dev, int xfer_size, uint8_t *data, int size, int nr_xfers) int send_recovery(libusb_device_handle *dev, int xfer_size, uint8_t *data, int size, int nr_xfers)
{ {
(void) nr_xfers;
// there should be no kernel driver attached but in doubt...
libusb_detach_kernel_driver(dev, 0);
libusb_claim_interface(dev, 0);
int sent = 0;
while(sent < size)
{
int xfered;
int len = MIN(size - sent, xfer_size);
int ret = libusb_bulk_transfer(dev, 1, data + sent, len, &xfered, 1000);
if(ret < 0)
{
printf("transfer error at send offset %d\n", sent);
return 1;
}
if(xfered == 0)
{
printf("empty transfer at step offset %d\n", sent);
return 2;
}
sent += xfered;
}
return 0;
} }
int main(int argc, char **argv) int main(int argc, char **argv)