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April 29, 2019 00:34
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| /****************************************************************************** | |
| * | |
| * Copyright (C) 2009 - 2014 Xilinx, Inc. All rights reserved. | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining a copy | |
| * of this software and associated documentation files (the "Software"), to deal | |
| * in the Software without restriction, including without limitation the rights | |
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| * copies of the Software, and to permit persons to whom the Software is | |
| * furnished to do so, subject to the following conditions: | |
| * | |
| * The above copyright notice and this permission notice shall be included in | |
| * all copies or substantial portions of the Software. | |
| * | |
| * Use of the Software is limited solely to applications: | |
| * (a) running on a Xilinx device, or | |
| * (b) that interact with a Xilinx device through a bus or interconnect. | |
| * | |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
| * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF | |
| * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
| * SOFTWARE. | |
| * | |
| * Except as contained in this notice, the name of the Xilinx shall not be used | |
| * in advertising or otherwise to promote the sale, use or other dealings in | |
| * this Software without prior written authorization from Xilinx. | |
| * | |
| ******************************************************************************/ | |
| /* | |
| * helloworld.c: simple test application | |
| * | |
| * This application configures UART 16550 to baud rate 9600. | |
| * PS7 UART (Zynq) is not initialized by this application, since | |
| * bootrom/bsp configures it to baud rate 115200 | |
| * | |
| * ------------------------------------------------ | |
| * | UART TYPE BAUD RATE | | |
| * ------------------------------------------------ | |
| * uartns550 9600 | |
| * uartlite Configurable only in HW design | |
| * ps7_uart 115200 (configured by bootrom/bsp) | |
| */ | |
| #include <stdio.h> | |
| #include "platform.h" | |
| #include "xil_printf.h" | |
| // Add address definitions | |
| #define MY_ADDER_BASE 0x43c00000 | |
| // Offsets | |
| #define INPUT_A_REG_OFFSET 0 | |
| #define INPUT_B_REG_OFFSET 1 | |
| #define OUTPUT_REG_OFFSET 2 | |
| #define SPARE_REG_OFFSET 3 | |
| int main() | |
| { | |
| uint32_t* const my_adder_base_addr = (uint32_t*)MY_ADDER_BASE; | |
| uint32_t i; | |
| init_platform(); | |
| print("Hello World\n\r"); | |
| // Write input A register and input B register | |
| my_adder_base_addr[INPUT_A_REG_OFFSET] = 0x3; | |
| my_adder_base_addr[INPUT_B_REG_OFFSET] = 0x7; | |
| // Wait for a moment | |
| for(i = 0; i < 1000; i++) | |
| ; | |
| if(my_adder_base_addr[OUTPUT_REG_OFFSET] == 0xA) { | |
| print("The result is read as correct.\n\r"); | |
| } | |
| else { | |
| print("The hardware design might be wrong.\n\r"); | |
| } | |
| print("Also, check LEDs. It should look like 0000 1010\n\r"); | |
| cleanup_platform(); | |
| return 0; | |
| } |
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