Skool - ARM Hungary
A simple alarm clock for the 1 day workshop presented by Skool and ARM Hungary in 2015.
Dependencies: Skool_wkshp_lib2015 mbed
Diff: mbed_clock.cpp
- Revision:
- 2:e084bab7bc1c
- Parent:
- 1:f76b625bd36e
- Child:
- 4:2c4154aae49e
diff -r f76b625bd36e -r e084bab7bc1c mbed_clock.cpp
--- a/mbed_clock.cpp Tue Sep 15 21:53:26 2015 +0000
+++ b/mbed_clock.cpp Thu Sep 24 15:49:20 2015 +0000
@@ -1,110 +1,41 @@
#include "mbed.h"
#include "serial_lcd.h"
+#include "pc_uart.h"
+#include "rtc.h"
+#include "keypad.h"
+#include "menu.h"
-DigitalOut myled(LED1); // On-board LED
-Serial pc(SERIAL_TX, SERIAL_RX); // UART to communicate with PC
DigitalOut R_LED(PA_10); // RED part of the RGB LED
DigitalOut G_LED(PB_5); // GREEN part of the RGB LED
DigitalOut B_LED(PA_9); // BLUE part of the RGB LED
-DigitalOut LCD_RST(PB_10); // LCD RST
-DigitalOut LCD_BL(PA_8); // LCD BackLight
PwmOut speaker(PB_4); // Speaker
-I2C i2c1(I2C_SDA, I2C_SCL); // I2C interface for LCD display
-
-
-// Define your own keypad values
-const char Keytable[] = { '1', '2', '3', 'A', // r0
- '4', '5', '6', 'B', // r1
- '7', '8', '9', 'C', // r2
- '*', '0', '#', 'D' // r3
- };
- // c0 c1 c2 c3
-const uint16_t rows[4] = {GPIO_PIN_5, GPIO_PIN_6, GPIO_PIN_8, GPIO_PIN_9};
-const uint16_t cols[4] = {GPIO_PIN_10, GPIO_PIN_11, GPIO_PIN_12, 0xFFFF};
-//const int nrows = 4;
-const int ncols = 3;
-const char BCD2HEX[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
-const char DOW[7][3] = { {'H',' ',' '}, {'K',' ',' '}, {'S','z','e'}, {'C','s',' '}, {'P',' ',' '}, {'S','z','o'}, {'V',' ',' '} };
-
-uint32_t Index = 0xFF;
-uint32_t new_key = 0;
uint32_t Systck_cnt = 0;
uint32_t Systck_evt = 0;
-GPIO_InitTypeDef keypadInit;
-
-void Error(int err) {
- switch (err) {
- case 0: pc.printf("\033[44m\033[37mI2C communication error!\033[00m\r\n");
- break;
- case 1: pc.printf("\033[44m\033[37mIncorrect calibration data error!\033[00m\r\n");
- break;
- default: pc.printf("\033[44m\033[37mUnknown error!\033[00m\r\n");
- break;
- }
- while (1) {
- myled = 1;
- wait(0.1);
- myled = !myled;
- wait(0.1);
- myled = !myled;
- wait(0.1);
- myled = !myled;
- wait(2);
- }
-}
-void EXTI9_5_IRQHandler(void) {
- HAL_NVIC_DisableIRQ(EXTI9_5_IRQn);
- if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_5) != 0) {
- __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_5);
- HAL_GPIO_EXTI_Callback(0);
- } else if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_6) != 0) {
- __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_6);
- HAL_GPIO_EXTI_Callback(1);
- } else if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_7) != 0) {
- __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_7);
- HAL_GPIO_EXTI_Callback(4);
- } else if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_8) != 0) {
- __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_8);
- HAL_GPIO_EXTI_Callback(2);
- } else if (__HAL_GPIO_EXTI_GET_IT(GPIO_PIN_9) != 0) {
- __HAL_GPIO_EXTI_CLEAR_IT(GPIO_PIN_9);
- HAL_GPIO_EXTI_Callback(3);
- }
- HAL_GPIO_WritePin(GPIOC, cols[0] | cols[1] | cols[2], GPIO_PIN_RESET); // All cols are driven Low for resume IRQ operation
- //NVIC_ClearPendingIRQ(EXTI9_5_IRQn);
- HAL_NVIC_ClearPendingIRQ(EXTI9_5_IRQn);
-}
+extern uint32_t Index;
+extern uint32_t new_key;
+extern Serial pc; // UART to communicate with PC
+extern DigitalOut myled; // On-board LED
+extern FSM_State Main_FSM_States;
+extern RTC_HandleTypeDef rtch;
+extern RTC_TimeTypeDef rtc_time;
+extern RTC_DateTypeDef rtc_date;
+extern RTC_AlarmTypeDef rtc_alarm;
+extern int tmp_date, tmp_sec;
+extern int AlarmA_Enabled;
+extern int AlarmA_triggered;
-void HAL_GPIO_EXTI_Callback(uint16_t pin) {
- int col;
- int temp;
+const float scala[38] = { 0.0f, 108.0f, 112.5f, 121.5f, 129.6f, 135.0f, 144.0f, 150.0f, 162.0f, 172.8f, 180.0f, 194.4f, 202.5f,
+ 216.0f, 225.0f, 243.0f, 259.2f, 270.0f, 288.0f, 300.0f, 324.0f, 345.6f, 360.0f, 388.8f, 405.0f,
+ 432.0f, 450.0f, 486.0f, 518.4f, 540.0f, 576.0f, 600.0f, 648.0f, 691.2f, 720.0f, 777.6f, 810.0f,
+ 864.0f };
- for (col = 0; col < ncols; col++) {
- HAL_GPIO_WritePin(GPIOC, cols[0] | cols[1] | cols[2], GPIO_PIN_SET); // All cols are driven High
- HAL_GPIO_WritePin(GPIOC, cols[col], GPIO_PIN_RESET); // 1 col is driven Low
- wait_ms(50);
- temp = GPIOC->IDR;
- temp = (temp & 0x0360);
- switch (temp) {
- case 0x0340: Index = col;
- break;
- case 0x0320: Index = 4 + col;
- break;
- case 0x0260: Index = 8 + col;
- break;
- case 0x0160: Index = 12 + col;
- break;
- default: Index = 0xFF;
- break;
- }
- if (Index != 0xFF) {
- break;
- }
- }
- new_key++;
-}
+const uint32_t song[54][2] = { {16, 4}, {18, 4}, {20, 4}, {18, 4}, {16, 2}, { 0, 2}, {16, 4}, {18, 4}, {20, 4}, {18, 4}, {16, 2}, { 0, 2}, {20, 4}, {20, 4}, {21, 4}, {21, 4},
+ {20, 4}, {20, 4}, {18, 2}, {20, 4}, {20, 4}, {21, 4}, {21, 4}, {20, 4}, {20, 4}, {18, 2}, {20, 4}, {18, 4}, {20, 4}, {21, 4}, {23, 4}, {21, 4},
+ {20, 4}, {18, 4}, {20, 4}, {18, 4}, {20, 4}, {21, 4}, {23, 4}, {21, 4}, {20, 4}, {18, 4}, {16, 4}, {18, 4}, {20, 4}, {18, 4}, {16, 2}, { 0, 2},
+ {16, 4}, {18, 4}, {20, 4}, {18, 4}, {16, 2}, { 0, 2} };
+
void SysTick_Handler(void) {
HAL_SYSTICK_Callback();
}
@@ -114,226 +45,45 @@
Systck_evt++;
}
-int write_ser_lcd(unsigned char data, bool mode) {
- char wd[2];
- int status;
-
- wd[0] = ((mode) ? 0x40 : 0x00);
- wd[1] = (char)data;
- status = i2c1.write(ST7032I_ADDR, wd, 2, false);
- return status;
-}
-
-void write_ser_text(unsigned char *text, uint32_t len) {
- int i;
- char wd[41];
- int status;
-
- wd[0] = 0x40;
- for (i = 0; i < len; i++) {
- wd[i + 1] = (char)text[i];
- }
- status = i2c1.write(ST7032I_ADDR, wd, len + 1, false);
- if (status != 0) {
- Error(0);
- }
-}
-
-int init_ser_lcd(void) {
- int status;
-
- LCD_RST = 0x0; // Generating Reset pulse
- LCD_BL = 0x0; // BackLight off
-// BL_LCD = 0.0;
- wait_us(200);
- LCD_RST = 0x1;
- wait_ms(40);
- status = write_ser_lcd(0x38, false); // Function set with IS = 0
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x39, false); // Function set with IS = 1
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x14, false); // Internal OSC frequency adjustment
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x79, false); // Contrast set
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x5C, false); // Power/Icon/Contrast control
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x6E, false); // Follower control
- if (status != 0) {
- Error(0);
- }
- wait_ms(200);
-// wait_us(30);
- status = write_ser_lcd(0x0C, false); // Display ON
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x01, false); // Clear display
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x06, false); // Entry mode set
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- status = write_ser_lcd(0x02, false); // Home
- if (status != 0) {
- Error(0);
- }
- wait_us(30);
- LCD_BL = 0x1; // BackLight ON
-// BL_LCD = 0.5;
- return 0;
-}
-
int main() {
uint32_t RGB_sel = 0;
- uint32_t currentHclk;
uint32_t dummy;
-
+ int i;
+ float tone;
- HAL_StatusTypeDef HAL_status;
- HAL_LockTypeDef HAL_lock;
- RTC_HandleTypeDef rtch;
- HAL_RTCStateTypeDef rtc_state;
- RTC_InitTypeDef rtc_init;
- RTC_TimeTypeDef rtc_time;
- RTC_DateTypeDef rtc_date;
- RTC_AlarmTypeDef rtc_alarm;
- int tmp_date, tmp_sec;
-
- char tt[16];
-
+ speaker = 0;
R_LED = 1;
G_LED = 1;
B_LED = 1;
- rtc_init.AsynchPrediv = 0x7F;
- rtc_init.SynchPrediv = 0xFF;
- rtc_init.HourFormat = RTC_HOURFORMAT_24;
- rtc_init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
- rtc_init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
- rtc_init.OutPut = RTC_OUTPUT_DISABLE;
-
- rtc_date.Date = 13;
- rtc_date.Month = 9;
- rtc_date.WeekDay = 7;
- rtc_date.Year = 15;
- tmp_date = 13;
-
- rtc_time.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
- rtc_time.Hours = 23;
- rtc_time.Minutes = 58;
- rtc_time.Seconds = 46;
- rtc_time.StoreOperation =RTC_STOREOPERATION_SET;
- tmp_sec = 0;
-
- rtch.Instance = RTC;
- rtch.Init = rtc_init;
- rtch.Lock = HAL_lock;
- rtch.State = rtc_state;
-
-
- __PWR_CLK_ENABLE();
- HAL_PWR_EnableBkUpAccess();
-// __HAL_RTC_WRITEPROTECTION_DISABLE(&rtch);
- __HAL_RCC_LSE_CONFIG(RCC_LSE_ON);
- __HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
- dummy = RCC->BDCR;
- dummy |= RCC_BDCR_RTCEN;
- RCC->BDCR = dummy;
-// __HAL_RCC_RTC_ENABLE();
- HAL_status = HAL_RTC_Init(&rtch);
- pc.printf("HAL_Status: %d\r\n",HAL_status);
- HAL_status = HAL_RTC_SetDate(&rtch, &rtc_date, FORMAT_BIN);
- pc.printf("HAL_Status: %d\r\n",HAL_status);
- HAL_status = HAL_RTC_SetTime(&rtch, &rtc_time, FORMAT_BIN);
- pc.printf("HAL_Status: %d\r\n",HAL_status);
-
- __GPIOC_CLK_ENABLE();
- keypadInit.Pin = cols[0] | cols[1] | cols[2];
- keypadInit.Mode = GPIO_MODE_OUTPUT_OD;
- keypadInit.Pull = GPIO_NOPULL;
- keypadInit.Speed = GPIO_SPEED_MEDIUM;
- HAL_GPIO_Init(GPIOC, &keypadInit);
-
- HAL_GPIO_WritePin(GPIOC, cols[0] | cols[1] | cols[2], GPIO_PIN_SET);
- HAL_GPIO_WritePin(GPIOC, cols[2], GPIO_PIN_RESET);
-
- keypadInit.Pin = rows[0] | rows[1] | rows[2] | rows[3];
- keypadInit.Mode = GPIO_MODE_INPUT;
- keypadInit.Pull = GPIO_PULLUP;
- HAL_GPIO_Init(GPIOC, &keypadInit);
- keypadInit.Pin = rows[3];
- keypadInit.Mode = GPIO_MODE_IT_FALLING;
- keypadInit.Pull = GPIO_PULLUP;
- HAL_GPIO_Init(GPIOC, &keypadInit);
- NVIC_SetVector(EXTI9_5_IRQn, (uint32_t)EXTI9_5_IRQHandler);
- HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);
+ InitRTC();
+ Init_keypad();
NVIC_SetVector(SysTick_IRQn, (uint32_t)SysTick_Handler);
HAL_SYSTICK_Config(14400000);
__enable_irq();
- pc.printf("\f\033[00m\033[33mmbed Clock with STM32F303RE NUCLEO board\033[00m\r\n");
- currentHclk = HAL_RCC_GetHCLKFreq();
- pc.printf("Current HCLK is: %d\r\n",currentHclk);
-/* speaker.period(1.0/864.0);
- speaker = 0.5;
- wait(0.1);
- speaker = 0.0;
-*/
-
init_ser_lcd();
write_ser_lcd(0x80, false); // set DDRAM addr to 0x00
- write_ser_text((unsigned char *)"Hello", 5);
+ write_ser_text((char *)" Alarm clock ", 16);
write_ser_lcd(0xC0, false); // set DDRAM addr to 0x40, beginning of 2nd line
- write_ser_text((unsigned char *)"Teszt",5);
+ write_ser_text((char *)"ARM SKOOL",16);
- wait(2.0);
+ wait(3.0);
write_ser_lcd(0x01, false); // Clear display
- wait_us(30);
+ wait_us(1100);
write_ser_lcd(0x06, false); // Entry mode set
wait_us(30);
- write_ser_lcd(0x80, false); // set DDRAM addr to 0x00, beginning of 1st line
- wait_us(30);
- write_ser_text((unsigned char *)"2015.09.12. Szo", 15);
- write_ser_lcd(0xC0, false); // set DDRAM addr to 0x40, beginning of 2nd line
- wait_us(30);
- write_ser_text((unsigned char *)"23:24:56 23.2", 13);
- write_ser_lcd(0xDF, true);
+ ShowTime();
+ ShowDate();
while (1) {
if (new_key != 0) {
- if (Index < 0xFF) {
- pc.printf("Key pressed: %c\r\n",Keytable[Index]);
- write_ser_lcd(0xCF, false); // set DDRAM addr to 0x4F, end of 2nd line
- write_ser_lcd(Keytable[Index], true);
- } else {
- pc.printf("Incorrect Index value!\r\n");
- }
- if (new_key > 1) {
- pc.printf("There were missed keys: %d\r\n",new_key);
+ if ((Index < 0xFF) & (Keytable[Index] == '#')) {
+ Main_FSM_States = IN_MENU;
+ MainMenu_Handler();
}
new_key = 0;
Index = 0xFF;
@@ -344,47 +94,41 @@
HAL_RTC_GetTime(&rtch, &rtc_time, FORMAT_BCD);
HAL_RTC_GetDate(&rtch, &rtc_date, FORMAT_BCD);
if (rtc_time.Seconds != tmp_sec) {
- tt[0] = BCD2HEX[((rtc_time.Hours & 0xF0) >> 4)];
- tt[1] = BCD2HEX[(rtc_time.Hours & 0x0F)];
- tt[2] = ':';
- tt[3] = BCD2HEX[((rtc_time.Minutes & 0xF0) >> 4)];
- tt[4] = BCD2HEX[(rtc_time.Minutes & 0x0F)];
- tt[5] = ':';
- tt[6] = BCD2HEX[((rtc_time.Seconds & 0xF0) >> 4)];
- tt[7] = BCD2HEX[(rtc_time.Seconds & 0x0F)];
- tt[8] = 0x00; // For printf
- tmp_sec = rtc_time.Seconds;
- write_ser_lcd(0xC0, false);
- pc.printf("\033[3;0H"); // Move the cursur to the beginning of the 3rd line.
- pc.printf(tt);
- write_ser_text((unsigned char *)tt, 8);
+ ShowTime();
dummy = 0;
if (rtc_date.Date != tmp_date) {
- tt[0] = BCD2HEX[2];
- tt[1] = BCD2HEX[0];
- tt[2] = BCD2HEX[((rtc_date.Year & 0xF0) >> 4)];
- tt[3] = BCD2HEX[(rtc_date.Year & 0x0F)];
- tt[4] = '.';
- tt[5] = BCD2HEX[((rtc_date.Month & 0xF0) >> 4)];
- tt[6] = BCD2HEX[(rtc_date.Month & 0x0F)];
- tt[7] = '.';
- tt[8] = BCD2HEX[((rtc_date.Date & 0xF0) >> 4)];
- tt[9] = BCD2HEX[(rtc_date.Date & 0x0F)];
- tt[10] = '.';
- tmp_date = rtc_date.Date;
- tt[11] = ' ';
- tt[12] = DOW[rtc_date.WeekDay - 1][0];
- tt[13] = DOW[rtc_date.WeekDay - 1][1];
- tt[14] = DOW[rtc_date.WeekDay - 1][2];
- tt[15] = 0x00; // For printf
- write_ser_lcd(0x80, false);
- pc.printf("\033[4;0H"); // Move the cursur to the beginning of the 4th line.
- pc.printf(tt);
- write_ser_text((unsigned char *)tt,15);
+ ShowDate();
}
}
-
+
+ if (AlarmA_triggered) {
+ AlarmA_triggered = 0;
+ ShowAlarmText();
+ for (i = 0; i < 54; i++) {
+ if (song[i][0] > 0.0f) {
+ tone = float(1.0f/scala[song[i][0]]);
+ speaker.period(tone);
+ speaker = 0.5;
+ } else {
+ speaker = 0;
+ }
+ wait(float(1.0f/song[i][1]));
+ if ((new_key != 0) & (Index < 0xFF) & (Keytable[Index] == '#')) {
+ i = 54;
+ new_key = 0;
+ Index = 0xFF;
+ HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);
+ }
+ }
+ write_ser_lcd(0x01, false); // Clear display
+ wait_us(1100);
+ write_ser_lcd(0x06, false); // Entry mode set
+ wait_us(30);
+ ShowTime();
+ ShowDate();
+ }
+
if (Systck_cnt > 5) {
switch (RGB_sel % 3) {
case 0:
@@ -419,6 +163,3 @@
Systck_evt = 0;
}
}
-
-
-