| /* |
| * SPDX-FileCopyrightText: 2020 Efabless Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| // This include is relative to $CARAVEL_PATH (see Makefile) |
| #include "verilog/dv/caravel/defs.h" |
| |
| // -------------------------------------------------------- |
| |
| void main() |
| { |
| reg_spimaster_config = 0xa002; // Enable, prescaler = 2 |
| |
| reg_mprj_datal = 0x00000000; |
| reg_mprj_datah = 0x00000000; |
| |
| // Configure mprj_io 10 and 25 as analog (digital in/out = off) |
| // Configure mprj_io 11, 12, 26, and 27 as digital output |
| // mprj_io 14 to 24 are analog pads and cannot be configured |
| |
| reg_mprj_io_27 = GPIO_MODE_USER_STD_OUTPUT; |
| reg_mprj_io_26 = GPIO_MODE_USER_STD_OUTPUT; |
| reg_mprj_io_25 = GPIO_MODE_USER_STD_ANALOG; |
| |
| reg_mprj_io_12 = GPIO_MODE_USER_STD_OUTPUT; |
| reg_mprj_io_11 = GPIO_MODE_USER_STD_OUTPUT; |
| reg_mprj_io_10 = GPIO_MODE_USER_STD_ANALOG; |
| |
| /* Apply configuration */ |
| reg_mprj_xfer = 1; |
| while (reg_mprj_xfer == 1); |
| |
| /* Block until end of test */ |
| while (1); |
| } |
| |