This patch extends dfu code to support transmission with -R switch
specified at dfu-util.
When -R is specified, the extra USB_REQ_DFU_DETACH request is sent after
successful data transmission. Then dfu resources are released and reset
command is issued.
Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
{
const char *str_env;
char *s = "dfu";
+ int ret, i = 0;
char *env_bkp;
- int ret;
if (argc < 3)
return CMD_RET_USAGE;
g_dnl_register(s);
while (1) {
+ if (dfu_reset())
+ /*
+ * This extra number of usb_gadget_handle_interrupts()
+ * calls is necessary to assure correct transmission
+ * completion with dfu-util
+ */
+ if (++i == 10)
+ goto exit;
+
if (ctrlc())
goto exit;
dfu_free_entities();
free(env_bkp);
+ if (dfu_reset())
+ run_command("reset", 0);
+
return CMD_RET_SUCCESS;
}
#include <linux/list.h>
#include <linux/compiler.h>
+static bool dfu_reset_request;
static LIST_HEAD(dfu_list);
static int dfu_alt_num;
+bool dfu_reset(void)
+{
+ return dfu_reset_request;
+}
+
+void dfu_trigger_reset()
+{
+ dfu_reset_request = true;
+}
+
static int dfu_find_alt_num(const char *s)
{
int i = 0;
DFU_STATE_dfuMANIFEST_WAIT_RST;
to_runtime_mode(f_dfu);
f_dfu->dfu_state = DFU_STATE_appIDLE;
+
+ dfu_trigger_reset();
break;
default:
f_dfu->dfu_state = DFU_STATE_dfuERROR;
const char *dfu_get_layout(enum dfu_layout l);
struct dfu_entity *dfu_get_entity(int alt);
char *dfu_extract_token(char** e, int *n);
+void dfu_trigger_reset(void);
+bool dfu_reset(void);
int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);