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https://github.com/EranMorkon/AMTS.git
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101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
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Manufacturing tests for the new cortex minimal system
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Copyright (C) 2018 Andreas Mieke
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "display.h"
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#define COLORS 8
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uint8_t i = 0;
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char colors[COLORS][7] = {
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"RED",
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"BLUE",
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"GRAY",
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"BLACK",
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"WHITE",
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"GREEN",
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"BROWN",
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"YELLOW"
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};
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void init_display(void)
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{
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// Init GPIOB and USART3 clocks
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE);
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
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// Create gpio struct and fill it with default values
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GPIO_InitTypeDef gpio;
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GPIO_StructInit(&gpio);
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// Set PB10 to alternate function push pull
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gpio.GPIO_Mode = GPIO_Mode_AF_PP;
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gpio.GPIO_Pin = GPIO_Pin_10;
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GPIO_Init(GPIOB, &gpio);
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// Set PB11 to input floating
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gpio.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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gpio.GPIO_Pin = GPIO_Pin_11;
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GPIO_Init(GPIOB, &gpio);
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// Create usart struct and set USART3 to 9600 baud
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USART_InitTypeDef usart;
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USART_StructInit(&usart);
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usart.USART_BaudRate = 9600;
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USART_Init(USART3, &usart);
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// Init USART clock
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USART_ClockInitTypeDef usartclock;
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USART_ClockStructInit(&usartclock);
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USART_ClockInit(USART3, &usartclock);
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// Enable USART3
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USART_Cmd(USART3, ENABLE);
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}
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void run_display(void)
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{
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// String to store command
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char cmd[16], *cptr;
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cptr = cmd;
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// Fill string with every color from colors[]
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sprintf(cmd, "cls %s\xFF\xFF\xFF", colors[i++]);
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// If the last color is reached, begin again
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if (i == COLORS) i = 0;
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// Send character for character to USART3 (the display)
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while(*cptr) {
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while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET);
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USART_SendData(USART3, *cptr++);
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}
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}
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void deinit_display(void)
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{
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// Reset command
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char *cmd = "rest\xFF\xFF\xFF";
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// Reset the display after the test finishes
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while(*cmd) {
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while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET);
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USART_SendData(USART3, *cmd++);
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}
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// Wait till the last character is sent
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while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET);
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// Then disable USART3 again
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USART_Cmd(USART3, DISABLE);
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USART_DeInit(USART3);
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}
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