/*
* DFU_UPLOAD response
*
* -------------
* |4B|TYPE |
* ------------|
* |2B|DATA_LEN|
* ------------|
* |xB|DATA |
* -------------
*
*/
static void handle_upload_req(qda_upl_req_payload_t *req)
{
uint16_t max_len;
uint16_t block_num;
qda_pkt_t *pkt;
qda_upl_rsp_payload_t *rsp;
int retv;
/* store request parameters in temporary variables */
block_num = req->block_num;
max_len = req->max_data_len;
/* prepare upload response packet */
pkt = (qda_pkt_t *)qda_buf;
pkt->type = QDA_PKT_DFU_UPLOAD_RSP;
rsp = (qda_upl_rsp_payload_t *)pkt->payload;
retv =
dfu_process_upload(block_num, max_len, rsp->data, &rsp->data_len);
if (retv == 0) {
xmodem_transmit_package(qda_buf, sizeof(*pkt) + sizeof(*rsp) +
rsp->data_len);
} else {
qda_stall();
}
}
/*
* USB Stall response
*
* -------------
* |4B|TYPE |
* -------------
*/
static void qda_stall()
{
qda_pkt_t *pkt;
pkt = (qda_pkt_t *)qda_buf;
pkt->type = QDA_PKT_STALL;
xmodem_transmit_package(qda_buf, sizeof(*pkt));
}
/*
* DFU_GETSTATE response
*
* -----------------
* |4B|TYPE |
* -----------------
* |1B|STATE |
* -----------------
*/
static void qda_dfu_get_state_rsp(dfu_dev_state_t state)
{
qda_pkt_t *pkt;
qda_get_state_rsp_payload_t *rsp;
pkt = (qda_pkt_t *)qda_buf;
pkt->type = QDA_PKT_DFU_GETSTATE_RSP;
rsp = (qda_get_state_rsp_payload_t *)pkt->payload;
rsp->state = state;
xmodem_transmit_package(qda_buf, sizeof(*pkt) + sizeof(*rsp));
}
/*
* Reply with a USB Device Descriptor response
* -----------------
* |4B|TYPE |
* -----------------
* |2B|VENDOR_ID |
* -----------------
* |2B|PRODUCT_ID |
* -----------------
* |2B|DEVICE_BCD |
* -----------------
*/
static void qda_dev_dsc_rsp()
{
qda_pkt_t *pkt;
qda_dev_dsc_rsp_payload_t *rsp;
pkt = (qda_pkt_t *)qda_buf;
pkt->type = QDA_PKT_DEV_DESC_RSP;
rsp = (qda_dev_dsc_rsp_payload_t *)pkt->payload;
rsp->id_vendor = DFU_CFG_VID;
rsp->id_product = DFU_CFG_PID_DFU;
rsp->bcd_device = DFU_CFG_DEV_BCD;
xmodem_transmit_package(qda_buf, sizeof(*pkt) + sizeof(*rsp));
}
/*
* Reply with a DFU Descriptors response
*
* ----------------------
* |4B|TYPE |
* ----------------------
* |1B|NUM_ALT_SETTINGS |
* ----------------------
* |1B|DFU_ATTRIBUTES |
* ----------------------
* |2B|DETACH_TIMEOUT |
* ----------------------
* |2B|MAX BLOCK SIZE |
* ----------------------
* |2B|DFU_VERSION |
* ----------------------
*/
static void qda_dfu_dsc_rsp()
{
qda_pkt_t *pkt;
qda_dfu_dsc_rsp_payload_t *rsp;
pkt = (qda_pkt_t *)qda_buf;
pkt->type = QDA_PKT_DFU_DESC_RSP;
rsp = (qda_dfu_dsc_rsp_payload_t *)pkt->payload;
rsp->num_alt_settings = DFU_CFG_NUM_ALT_SETTINGS;
rsp->bm_attributes = DFU_CFG_DFU_ATTRIBUTES;
rsp->detach_timeout = DFU_CFG_DETACH_TIMEOUT;
rsp->transfer_size = DFU_CFG_MAX_BLOCK_SIZE;
rsp->bcd_dfu_ver = DFU_CFG_DFU_VERSION_BCD;
xmodem_transmit_package(qda_buf, sizeof(*pkt) + sizeof(*rsp));
}
/*
* DFU_GETSTATUS response
*
* -----------------
* |4B|TYPE |
* ----------------|
* |1B|STATUS |
* ----------------|
* |3B|POLL_TIMEOUT|
* -----------------
* |1B|STATE |
* -----------------
*
*/
static void qda_dfu_get_status_rsp(dfu_dev_state_t state,
dfu_dev_status_t status,
uint32_t poll_timeout)
{
qda_pkt_t *pkt;
qda_get_status_rsp_payload_t *rsp;
pkt = (qda_pkt_t *)qda_buf;
pkt->type = QDA_PKT_DFU_GETSTATUS_RSP;
rsp = (qda_get_status_rsp_payload_t *)pkt->payload;
rsp->status = status;
rsp->poll_timeout = poll_timeout;
rsp->state = state;
xmodem_transmit_package(qda_buf, sizeof(*pkt) + sizeof(*rsp));
}
/* called from QDA */
int dfu_util_qda_send(uint8_t *data, size_t len)
{
printd("QDA send: (%d)\n", len);
return xmodem_transmit_package(data, len);
}
