RESULT versaloon_get_target_voltage(uint16_t *voltage)
{
uint16_t inlen;
#if PARAM_CHECK
if (NULL == versaloon_buf) {
LOG_BUG(ERRMSG_INVALID_BUFFER, TO_STR(versaloon_buf));
return ERRCODE_INVALID_BUFFER;
}
if (NULL == voltage) {
LOG_BUG(ERRMSG_INVALID_PARAMETER, __func__);
return ERRCODE_INVALID_PARAMETER;
}
#endif
versaloon_buf[0] = VERSALOON_GET_TVCC;
if ((ERROR_OK != versaloon_send_command(1, &inlen)) || (inlen != 2)) {
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "communicate with versaloon");
return ERRCODE_FAILURE_OPERATION;
} else {
*voltage = versaloon_buf[0] + (versaloon_buf[1] << 8);
return ERROR_OK;
}
}
RESULT versaloon_init(void)
{
uint16_t ret = 0;
uint8_t retry;
uint32_t timeout_tmp;
/* malloc temporary buffer */
versaloon_buf =
(uint8_t *)malloc(versaloon_interface.usb_setting.buf_size);
if (NULL == versaloon_buf) {
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
/* connect to versaloon */
timeout_tmp = versaloon_usb_to;
/* not output error message when connectting */
/* 100ms delay when connect */
versaloon_usb_to = 100;
for (retry = 0; retry < VERSALOON_RETRY_CNT; retry++) {
versaloon_buf[0] = VERSALOON_GET_INFO;
if ((ERROR_OK == versaloon_send_command(1, &ret)) && (ret >= 3))
break;
}
versaloon_usb_to = timeout_tmp;
if (VERSALOON_RETRY_CNT == retry) {
versaloon_fini();
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "communicate with versaloon");
return ERRCODE_FAILURE_OPERATION;
}
versaloon_buf[ret] = 0;
versaloon_buf_size = versaloon_buf[0] + (versaloon_buf[1] << 8);
versaloon_interface.usb_setting.buf_size = versaloon_buf_size;
LOG_INFO("%s", versaloon_buf + 2);
/* free temporary buffer */
free(versaloon_buf);
versaloon_buf = NULL;
versaloon_buf =
(uint8_t *)malloc(versaloon_interface.usb_setting.buf_size);
if (NULL == versaloon_buf) {
versaloon_fini();
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
versaloon_cmd_buf =
(uint8_t *)malloc(versaloon_interface.usb_setting.buf_size - 3);
if (NULL == versaloon_cmd_buf) {
versaloon_fini();
LOG_ERROR(ERRMSG_NOT_ENOUGH_MEMORY);
return ERRCODE_NOT_ENOUGH_MEMORY;
}
if (ERROR_OK != usbtoxxx_init()) {
LOG_ERROR(ERRMSG_FAILURE_OPERATION, "initialize usbtoxxx");
return ERROR_FAIL;
}
return versaloon_get_target_voltage(&ret);
}
