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#include "project.h"
#include "dfu.h"
static int
send_data_quickly (BLE * b, uint8_t * d, size_t sz, int pkts)
{
char bs[64];
size_t mtu = 16;
size_t off = 0;
size_t tx, rx;
int sent = 0;
ble_notify_pkts_start (b);
memset (bs, '\b', sizeof (bs));
while (off != sz)
{
fwrite (bs, 1, sizeof (bs), stdout);
printf ("%6u/%6u bytes", (unsigned) off, (unsigned) sz);
fflush (stdout);
tx = (sz - off);
if (tx > mtu)
tx = mtu;
if (ble_send_data_noresp (b, d + off, tx))
{
printf ("\nFailed\n");
ble_notify_pkts_stop (b);
return EXIT_FAILURE;
}
off += tx;
sent++;
if (sent == pkts)
{
rx = ble_notify_get_pkts (b);
if (rx != off)
{
printf ("\nFailed -Lost a packet\n");
ble_notify_pkts_stop (b);
return EXIT_FAILURE;
}
sent = 0;
}
}
ble_notify_pkts_stop (b);
printf ("\nDone\n");
return EXIT_SUCCESS;
}
#if 0
static int
send_data_slowly (BLE * b, uint8_t * d, size_t sz)
{
char bs[64];
size_t mtu = 16;
size_t off = 0;
size_t tx;
memset (bs, '\b', sizeof (bs));
while (off != sz)
{
fwrite (bs, 1, sizeof (bs), stdout);
printf ("%6u/%6u bytes", (unsigned) off, (unsigned) sz);
fflush (stdout);
tx = (sz - off);
if (tx > mtu)
tx = mtu;
if (ble_send_data (b, d + off, tx))
{
printf ("\nFailed\n");
return EXIT_FAILURE;
}
off += tx;
}
printf ("\nDone\n");
return EXIT_SUCCESS;
}
#endif
int
dfu (const char *bdaddr, const char *type, const char *version, uint8_t * dat,
size_t dat_sz, uint8_t * bin, size_t bin_sz)
{
BLE *b;
uint8_t buf[32];
uint16_t u16;
uint32_t start_data[3];
uint8_t dfu_type;
if (!strcmp (type, "application"))
{
dfu_type = DFU_UPDATE_APP; /*bit field */
start_data[0] = 0;
start_data[1] = 0;
start_data[2] = bin_sz;
}
else if (!strcmp (type, "bootloader"))
{
dfu_type = DFU_UPDATE_BL; /*bit field */
start_data[0] = 0;
start_data[1] = bin_sz;
start_data[2] = 0;
}
else
{
fprintf (stderr, "No idea how to upload %s\n", type);
exit (EXIT_FAILURE);
}
ble_init ();
do
{
b = ble_open (bdaddr);
if (!b)
break;
if (ble_register_notify (b))
break;
buf[0] = OP_CODE_START_DFU;
buf[1] = dfu_type; /*bit field */
ble_wait_setup (b, OP_CODE_START_DFU);
if (ble_send_cp (b, buf, 2))
break;
/*4 bytes sd size, 4 bytes bl size, 4 bytes app size */
if (ble_send_data (b, (uint8_t *) start_data, sizeof (start_data)))
break;
if (ble_wait_run (b) != BLE_DFU_RESP_VAL_SUCCESS)
break;
buf[0] = OP_CODE_RECEIVE_INIT;
buf[1] = DFU_INIT_RX;
if (ble_send_cp (b, buf, 2))
break;
ble_wait_setup (b, OP_CODE_RECEIVE_INIT);
if (ble_send_data (b, dat, dat_sz))
break;
buf[0] = OP_CODE_RECEIVE_INIT;
buf[1] = DFU_INIT_COMPLETE;
if (ble_send_cp (b, buf, 2))
break;
if (ble_wait_run (b) != BLE_DFU_RESP_VAL_SUCCESS)
break;
#if 1
// ble_wait_setup(b,OP_CODE_PKT_RCPT_NOTIF_REQ);
//
buf[0] = OP_CODE_PKT_RCPT_NOTIF_REQ;
u16 = 0x40;
memcpy (&buf[1], &u16, 2);
if (ble_send_cp (b, buf, 3))
break;
// if (ble_wait_run(b)!=BLE_DFU_RESP_VAL_SUCCESS)
// break;
ble_wait_setup (b, OP_CODE_RECEIVE_FW);
buf[0] = OP_CODE_RECEIVE_FW;
if (ble_send_cp (b, buf, 1))
break;
if (send_data_quickly (b, bin, bin_sz, u16) != EXIT_SUCCESS)
break;
if (ble_wait_run (b) != BLE_DFU_RESP_VAL_SUCCESS)
break;
#else
ble_wait_setup (b, OP_CODE_RECEIVE_FW);
buf[0] = OP_CODE_RECEIVE_FW;
if (ble_send_cp (b, buf, 1))
break;
if (send_data_slowly (b, bin, bin_sz) != EXIT_SUCCESS)
break;
if (ble_wait_run (b) != BLE_DFU_RESP_VAL_SUCCESS)
break;
#endif
buf[0] = OP_CODE_IMAGE_SIZE_REQ;
ble_send_cp (b, buf, 1);
ble_wait_setup (b, OP_CODE_VALIDATE);
buf[0] = OP_CODE_VALIDATE;
if (ble_send_cp (b, buf, 1))
break;
if (ble_wait_run (b) != BLE_DFU_RESP_VAL_SUCCESS)
break;
buf[0] = OP_CODE_ACTIVATE_N_RESET;
if (ble_send_cp_noresp (b, buf, 1))
break;
printf ("Success....\n");
ble_close (b);
return 0;
}
while (0);
if (b)
{
buf[0] = OP_CODE_SYS_RESET;
ble_send_cp_noresp (b, buf, 1);
sleep (1);
ble_close (b);
}
return -1;
}
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