mirror of
https://github.com/EranMorkon/AMTS.git
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92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/*
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Demo program for the 2017/18 open door day at HTL Hollabrunn
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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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#include "bma.h"
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#include "eeprom.h"
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#include "bluetooth.h"
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#define BUFFER_SIZE 256
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int main()
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{
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// Variables needed
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disp_state_t current_state = DISP_STATE_NONE;
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uint8_t X, Y, Z, running = 0;
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uint8_t bX[BUFFER_SIZE] = {128}, bY[BUFFER_SIZE] = {128}, bZ[BUFFER_SIZE] = {128}; // 128 is the 'zero' line in the display, so the array is initzialized to 128
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uint16_t buffer_pos = 0;
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// Init everything we need
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disp_init();
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systick_init();
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bma_init();
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eeprom_init();
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bluetooth_init();
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// Enable display
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disp_enable();
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// Main loop
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for (;;) {
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// Check if button is pressed
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current_state = disp_get_last_state();
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if(current_state == DISP_STATE_START) {
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// If start button set running to true
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running = 1;
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} else if(current_state == DISP_STATE_PAUSE) {
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// On pause set running to false
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running = 0;
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}
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// Only read and send data if display is actually running
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if(running == 1) {
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// Get accelerations
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bma_get_acc(&X, &Y, &Z);
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// Put them into the buffer (for save/recall)
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bX[buffer_pos] = X;
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bY[buffer_pos] = Y;
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bZ[buffer_pos] = Z;
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// Send data to display and bluetooth
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disp_send_gyro_data(X, Y, Z);
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bluetooth_send_gyro_data(X, Y, Z);
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// Increment buffer position
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buffer_pos++;
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if(buffer_pos == BUFFER_SIZE) {
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// If buffer size is reached, return to 0 (ringbuffer)
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buffer_pos = 0;
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}
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}
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if(current_state == DISP_STATE_SAVE) {
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// On save, send the three arrays to the EEPROM
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eeprom_write(0x0000, bX, BUFFER_SIZE);
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eeprom_write(0x0400, bY, BUFFER_SIZE);
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eeprom_write(0x0800, bZ, BUFFER_SIZE);
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}
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if(current_state == DISP_STATE_RECALL) {
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// On recall read the three arrays from EEPROM
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eeprom_read(0x0000, bX, BUFFER_SIZE);
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eeprom_read(0x0400, bY, BUFFER_SIZE);
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eeprom_read(0x0800, bZ, BUFFER_SIZE);
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// Also update display and bluetooth completely with the new data in the buffer
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for(uint16_t i = 0; i < BUFFER_SIZE; i++) {
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disp_send_gyro_data(bX[i], bY[i], bZ[i]);
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bluetooth_send_gyro_data(bX[i], bY[i], bZ[i]);
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}
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}
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}
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}
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