/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "dma.h"
#include "spi.h"
#include "tim.h"
#include "gpio.h"
#include "oled.h"
#include "bmp.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
static void setparameters(void);
void showbegin(void);
void startoutput(void);
void stopoutput(void);
void ShowAMP(double AMP);
void ShowFRE(uint16_t FRE);
void increaseamplitude(void);
void decreaseamplitude(void);
#define LEN 500
uint16_t send_Buf[LEN] = {0};//数组内是PWM比较�?????
static const uint8_t sine_wave_value[LEN]={51,51,52,53,53,54,54,55,56,56,57,58,58,59,59,60,61,61,62,62,
63,64,64,65,65,66,67,67,68,68,69,70,70,71,71,72,72,73,74,74,
75,75,76,76,77,77,78,78,79,79,80,80,81,81,82,82,83,83,84,84,
85,85,86,86,86,87,87,88,88,89,89,89,90,90,90,91,91,92,92,92,
93,93,93,94,94,94,94,95,95,95,96,96,96,96,96,97,97,97,97,98,
98,98,98,98,98,99,99,99,99,99,99,99,99,100,100,100,100,100,100,
100,100,100,100,100,100,100,100,100,100,100,100,100,100,100,100,
100,99,99,99,99,99,99,99,99,98,98,98,98,98,98,97,97,97,97,96,
96,96,96,96,95,95,95,94,94,94,94,93,93,93,92,92,92,91,91,90,
90,90,89,89,89,88,88,87,87,86,86,86,85,85,84,84,83,83,82,82,
81,81,80,80,79,79,78,78,77,77,76,76,75,75,74,74,73,72,72,71,
71,70,70,69,68,68,67,67,66,65,65,64,64,63,62,62,61,61,60,59,
59,58,58,57,56,56,55,54,54,53,53,52,51,51,50,49,49,48,47,47,
46,46,45,44,44,43,42,42,41,41,40,39,39,38,38,37,36,36,35,35,
34,33,33,32,32,31,30,30,29,29,28,28,27,26,26,25,25,24,24,23,
23,22,22,21,21,20,20,19,19,18,18,17,17,16,16,15,15,14,14,14,
13,13,12,12,11,11,11,10,10,10,9,9,8,8,8,7,7,7,6,6,6,6,5,5,5,
4,4,4,4,4,3,3,3,3,2,2,2,2,2,2,1,1,1,1,1,1,1,1,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,2,2,2,2,
2,2,3,3,3,3,4,4,4,4,4,5,5,5,6,6,6,6,7,7,7,8,8,8,9,9,10,10,
10,11,11,11,12,12,13,13,14,14,14,15,15,16,16,17,17,18,18,19,
19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,28,28,29,29,
30,30,31,32,32,33,33,34,35,35,36,36,37,38,38,39,39,40,41,41,
42,42,43,44,44,45,46,46,47,47,48,49,49,50,
};
static const uint8_t triangle_wave_value[LEN] = {0,0,1,1,2,2,2,3,3,4,4,4,5,5,6,6,6,7,7,8,
8,8,9,9,10,10,10,11,11,12,12,12,13,13,14,
14,14,15,15,16,16,16,17,17,18,18,18,19,19,
20,20,20,21,21,22,22,22,23,23,24,24,24,25,
25,26,26,26,27,27,28,28,28,29,29,30,30,30,
31,31,32,32,32,33,33,34,34,34,35,35,36,36,
36,37,37,38,38,38,39,39,40,40,40,41,41,42,
42,42,43,43,44,44,44,45,45,46,46,46,47,47,
48,48,48,49,49,50,50,50,51,51,52,52,52,53,
53,54,54,54,55,55,56,56,56,57,57,58,58,58,
59,59,60,60,60,61,61,62,62,62,63,63,64,64,
64,65,65,66,66,66,67,67,68,68,68,69,69,70,
70,70,71,71,72,72,72,73,73,74,74,74,75,75,
76,76,76,77,77,78,78,78,79,79,80,80,80,81,
81,82,82,82,83,83,84,84,84,85,85,86,86,86,
87,87,88,88,88,89,89,90,90,90,91,91,92,92,
92,93,93,94,94,94,95,95,96,96,96,97,97,98,
98,98,99,99,100,100,99,99,98,98,98,97,97,96,
96,96,95,95,94,94,94,93,93,92,92,92,91,91,90,
90,90,89,89,88,88,88,87,87,86,86,86,85,85,84,
84,84,83,83,82,82,82,81,81,80,80,80,79,79,78,
78,78,77,77,76,76,76,75,75,74,74,74,73,73,72,
72,72,71,71,70,70,70,69,69,68,68,68,67,67,66,
66,66,65,65,64,64,64,63,63,62,62,62,61,61,60,
60,60,59,59,58,58,58,57,57,56,56,56,55,55,54,
54,54,53,53,52,52,52,51,51,50,50,50,49,49,48,
48,48,47,47,46,46,46,45,45,44,44,44,43,43,42,
42,42,41,41,40,40,40,39,39,38,38,38,37,37,36,
36,36,35,35,34,34,34,33,33,32,32,32,31,31,30,
30,30,29,29,28,28,28,27,27,26,26,26,25,25,24,
24,24,23,23,22,22,22,21,21,20,20,20,19,19,18,
18,18,17,17,16,16,16,15,15,14,14,14,13,13,12,
12,12,11,11,10,10,10,9,9,8,8,8,7,7,6,6,6,5,5,
4,4,4,3,3,2,2,2,1,1,0,0,
};
uint16_t NUM = 0;
uint16_t BUTTONSTATE = 0;
uint16_t WAVESTATE = 0; //波形
uint16_t AMPSTATE = 0;
uint16_t FRESTAYE = 0;
uint16_t PUTSTATE = 0;
double AMP = 1.65;
uint16_t FRE = 2;
uint16_t amplitude = 165; // max = 165，幅�?????
uint16_t frequency = 2000; //频率KHz
uint16_t tim; //定时器自动装载�??
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_DMA_Init();
MX_SPI2_Init();
MX_TIM3_Init();
/* USER CODE BEGIN 2 */
OLED_Init();
//OLED_ShowString(0, 6, "CH1", 8, 1);
showbegin();
setparameters();
//OLED_Refresh();
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
if(PUTSTATE==1){
startoutput();
}
else{
stopoutput();
}
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/** Configure the main internal regulator output voltage
*/
HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1);
/** Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLM = RCC_PLLM_DIV1;
RCC_OscInitStruct.PLL.PLLN = 8;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/** Initializes the CPU, AHB and APB buses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
Error_Handler();
}
}
/* USER CODE BEGIN 4 */
void HAL_GPIO_EXTI_Falling_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == Astate_Pin)
{
if(HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_4)==0){
NUM=NUM+1;
}
else{
NUM=NUM-1;
}
switch(NUM%4){
case 1:
OLED_ShowString(0, 100, "Amplitude:", 8, 1);
OLED_ShowString(0, 120, "Signal Output:", 8, 1);
OLED_ShowString(0, 90, "Signal Wave:", 8, 0);
OLED_Refresh();
BUTTONSTATE=1;
break;
case 2:
OLED_ShowString(0, 90, "Signal Wave:", 8, 1);
OLED_ShowString(0, 110, "Frequency:", 8, 1);
OLED_ShowString(0, 100, "Amplitude:", 8, 0);
OLED_Refresh();
BUTTONSTATE=2;
break;
case 3:
OLED_ShowString(0, 100, "Amplitude:", 8, 1);
OLED_ShowString(0, 120, "Signal Output:", 8, 1);
OLED_ShowString(0, 110, "Frequency:", 8, 0);
OLED_Refresh();
BUTTONSTATE=3;
break;
case 0:
OLED_ShowString(0, 110, "Frequency:", 8, 1);
OLED_ShowString(0, 90, "Signal Wave:", 8, 1);
OLED_ShowString(0, 120, "Signal Output:", 8, 0);
OLED_Refresh();
BUTTONSTATE=0;
break;
}
}
if(GPIO_Pin == KeyUp_Pin){
switch(BUTTONSTATE){
case 1:
if(WAVESTATE>=3){
WAVESTATE=0;
}
else{
WAVESTATE++;
}
switch(WAVESTATE){
case 0:
OLED_ShowString(78, 90, "DC ", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, dc, 1);
OLED_Refresh();
setparameters();
break;
case 1:
OLED_ShowString(78, 90, "SINE", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, sin, 1);
OLED_Refresh();
setparameters();
break;
case 2:
OLED_ShowString(78, 90, "SQUA", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, sqr, 1);
OLED_Refresh();
setparameters();
break;
case 3:
OLED_ShowString(78, 90, "TRIA", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, tri, 1);
OLED_Refresh();
setparameters();
break;
}
break;
case 2:
increaseamplitude();
break;
case 3:
increasefreq();
break;
case 0:
switch(PUTSTATE){
case 0:
OLED_ShowString(90, 120, "ON ", 8, 1);
OLED_Refresh();
break;
case 1:
OLED_ShowString(90, 120, "OFF", 8, 1);
OLED_Refresh();
break;
}
if(PUTSTATE>=1){
PUTSTATE=0;
}
else{
PUTSTATE++;
}
break;
}
}
if(GPIO_Pin == KeyDown_Pin){
switch(BUTTONSTATE){
case 1:
if(WAVESTATE <= 0){
WAVESTATE=3;
}
else{
WAVESTATE--;
}
switch(WAVESTATE){
case 0:
OLED_ShowString(78, 90, "DC ", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, dc, 1);
OLED_Refresh();
setparameters();
break;
case 1:
OLED_ShowString(78, 90, "SINE", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, sin, 1);
OLED_Refresh();
setparameters();
break;
case 2:
OLED_ShowString(78, 90, "SQUA", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, sqr, 1);
OLED_Refresh();
setparameters();
break;
case 3:
OLED_ShowString(78, 90, "TRIA", 8, 1);
OLED_ShowPicture(0, 20, 128, 64, tri, 1);
OLED_Refresh();
setparameters();
break;
}
break;
case 2:
decreaseamplitude();
break;
case 3:
decreasefreq();
break;
case 0:
switch(PUTSTATE){
case 0:
OLED_ShowString(90, 120, "ON ", 8, 1);
OLED_Refresh();
break;
case 1:
OLED_ShowString(90, 120, "OFF", 8, 1);
OLED_Refresh();
break;
}
if(PUTSTATE<=0){
PUTSTATE=1;
}
else{
PUTSTATE--;
}
break;
}
}
}
void showbegin(void){
OLED_ShowPicture(0, 20, 128, 64, dc, 1);
OLED_ShowString(0, 0, "Signal Generator", 16, 1);
OLED_ShowString(0, 90, "Signal Wave:", 8, 1);
OLED_ShowString(78, 90, "DC ", 8, 1);
OLED_ShowString(0, 100, "Amplitude:", 8, 1);
OLED_ShowString(66, 100, "3.00V", 8, 1);
OLED_ShowString(0, 110, "Frequency:", 8, 1);
OLED_ShowString(66, 110, "2KHz", 8, 1);
OLED_ShowString(0, 120, "Signal Output:", 8, 1);
OLED_ShowString(90, 120, "---", 8, 1);
OLED_Refresh();
}
void ShowAMP(double AMP)
{
char str[5];
sprintf(str, "%.2fV", AMP);
OLED_ShowString(66, 100, str, 8, 1);
OLED_Refresh();
}
void ShowFRE(uint16_t FRE)
{
char str[6];
sprintf(str, "%dKHz", FRE);
OLED_ShowString(66, 110, str, 8, 1);
OLED_Refresh();
}
void startoutput(void){
HAL_TIM_PWM_Start_DMA(&htim3, TIM_CHANNEL_3,(uint16_t*)send_Buf,LEN);
}
void stopoutput(void){
HAL_TIM_PWM_Stop_DMA(&htim3, TIM_CHANNEL_3);
}
void increaseamplitude(void){
if (amplitude < 165)
{
amplitude = amplitude + 15;
if(WAVESTATE == 0){
AMP =(double) ( 3*((double)amplitude / (double)165 ));
}
else{
AMP = (double)((0.5*tim * amplitude / 165 + tim/2 )/tim*3-1.5);
}
setparameters();
ShowAMP(AMP);
}
}
void decreaseamplitude(void){
if (amplitude > 0)
{
amplitude = amplitude - 15;
if(WAVESTATE == 0){
AMP = (double) ( 3*((double)amplitude / (double)165 ));
}
else{
AMP = (double)((0.5*tim * amplitude / 165 + tim/2 )/tim*3-1.5);
}
setparameters();
ShowAMP(AMP);
}
}
void increasefreq(void){
if (frequency < 100000)
{
frequency += 1000;
FRE=frequency/1000;
setparameters();
ShowFRE(FRE);
}
}
void decreasefreq(void){
if (frequency > 100)
{
frequency -= 1000;
FRE=frequency/1000;
setparameters();
ShowFRE(FRE);
}
}
static void setparameters(void){
uint16_t i;
tim = 64000000 / LEN / frequency;// ARR
TIM3->CNT = 0;
__HAL_TIM_SET_AUTORELOAD(&htim3, (tim-1));
switch(WAVESTATE){
case 0:
for (i = 0; i < LEN; i++){
send_Buf[i]=(uint16_t)((50*amplitude/165) * (tim-1) / 50);//直流
}
break;
case 1:
for (i = 0; i < LEN; i++){
send_Buf[i]=(uint16_t)((sine_wave_value[i]-50) * (tim -1) / 100 * (amplitude) / 165 + tim /2);//sin
}
break;
case 2:
for (i = 0; i < LEN; i++){
send_Buf[i]=(uint16_t)((50 + 50*(amplitude)/165 * (i<LEN/2?1:-1)) * (tim-1) / 100);//方波
}
break;
case 3:
for (i = 0; i < LEN; i++){
send_Buf[i]=(uint16_t)((triangle_wave_value[i]-50) * tim / 100 * (amplitude) / 165 + tim /2);//三角�????
}
break;
default:
break;
}
}
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
__disable_irq();
while (1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t *file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
