supleed2/ELEC60013-ES-CW2
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This commit is contained in:
Kacper 2022-03-23 14:43:09 +00:00
parent 1223947839
commit 65033439bd
2 changed files with 54 additions and 27 deletions
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3
platformio.ini
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@ -13,5 +13,6 @@ platform = ststm32
board = nucleo_l432kc board = nucleo_l432kc
framework = arduino framework = arduino
monitor_speed = 115200 monitor_speed = 115200
lib_deps = lib_deps =
olikraus/U8g2@^2.32.10 olikraus/U8g2@^2.32.10
stm32duino/STM32duino FreeRTOS@^10.3.1

78
src/main.cpp
View file

@ -2,6 +2,7 @@
#include <Arduino.h> #include <Arduino.h>
#include <U8g2lib.h> #include <U8g2lib.h>
#include <STM32FreeRTOS.h>
volatile int32_t currentStepSize; volatile int32_t currentStepSize;
volatile uint8_t keyArray[7]; volatile uint8_t keyArray[7];
@ -90,7 +91,6 @@ uint16_t getTopKey(volatile uint8_t array[]) {
} }
} }
} }
Serial.println(topKey);
return topKey; return topKey;
} }
@ -102,12 +102,40 @@ void sampleISR(){
} }
void scanKeysTask(void * pvParameters){ void scanKeysTask(void * pvParameters){
for (uint8_t i = 0; i < 3; i++) { const TickType_t xFrequency = 50/portTICK_PERIOD_MS;
TickType_t xLastWakeTime = xTaskGetTickCount();
while(1){
vTaskDelayUntil(&xLastWakeTime, xFrequency);
for (uint8_t i = 0; i < 3; i++) {
setRow(i);
delayMicroseconds(3);
keyArray[i] = readCols();
}
for (uint8_t i = 3; i < 7; i++) {
setRow(i); setRow(i);
delayMicroseconds(3); delayMicroseconds(3);
keyArray[i] = readCols(); keyArray[i] = readCols();
} }
__atomic_store_n(&currentStepSize, stepSizes[getTopKey(keyArray)], __ATOMIC_RELAXED); __atomic_store_n(&currentStepSize, stepSizes[getTopKey(keyArray)], __ATOMIC_RELAXED);
}
}
void displayUpdateTask(void * pvParameters){
const TickType_t xFrequency = 100/portTICK_PERIOD_MS;
TickType_t xLastWakeTime = xTaskGetTickCount();
while(1){
vTaskDelayUntil(&xLastWakeTime, xFrequency);
u8g2.clearBuffer(); // clear the internal memory
u8g2.setFont(u8g2_font_profont12_mf); // choose a suitable font
u8g2.setCursor(2, 10); // set the cursor position
u8g2.print(currentStepSize); // Print the current frequency
digitalToggle(LED_BUILTIN);
u8g2.setCursor(2, 20);
for (uint8_t i = 0; i < 7; i++) {
u8g2.print(keyArray[i], HEX);
}
u8g2.sendBuffer(); // transfer internal memory to the display
}
} }
void setup() { void setup() {
@ -144,28 +172,26 @@ void setup() {
sampleTimer->setOverflow(samplingRate, HERTZ_FORMAT); sampleTimer->setOverflow(samplingRate, HERTZ_FORMAT);
sampleTimer->attachInterrupt(sampleISR); sampleTimer->attachInterrupt(sampleISR);
sampleTimer->resume(); sampleTimer->resume();
TaskHandle_t scanKeysHandle = NULL;
TaskHandle_t displayUpdateHandle = NULL;
xTaskCreate(
scanKeysTask, /* Function that implements the task */
"scanKeys", /* Text name for the task */
64, /* Stack size in words, not bytes */
NULL, /* Parameter passed into the task */
2, /* Task priority */
&scanKeysHandle /* Pointer to store the task handle */
);
xTaskCreate(
displayUpdateTask, /* Function that implements the task */
"displayUpdate", /* Text name for the task */
256, /* Stack size in words, not bytes */
NULL, /* Parameter passed into the task */
1, /* Task priority */
&displayUpdateHandle /* Pointer to store the task handle */
);
vTaskStartScheduler();
} }
void loop() { void loop() {}
static uint32_t next = millis();
for (uint8_t i = 3; i < 7; i++) {
setRow(i);
delayMicroseconds(3);
keyArray[i] = readCols();
}
if (millis() > next) {
next += interval;
u8g2.clearBuffer(); // clear the internal memory
u8g2.setFont(u8g2_font_profont12_mf); // choose a suitable font
u8g2.setCursor(2, 10); // set the cursor position
scanKeysTask(NULL);
u8g2.print(currentStepSize); // Print the current frequency
digitalToggle(LED_BUILTIN);
u8g2.setCursor(2, 20);
for (uint8_t i = 0; i < 7; i++) {
u8g2.print(keyArray[i], HEX);
}
u8g2.sendBuffer(); // transfer internal memory to the display
}
}