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  1. /**
  2.   ******************************************************************************
  3.   * File Name          : main.c
  4.   * Description        : Main program body
  5.   ******************************************************************************
  6.   *
  7.   * COPYRIGHT(c) 2016 STMicroelectronics
  8.   *
  9.   * Redistribution and use in source and binary forms, with or without modification,
  10.   * are permitted provided that the following conditions are met:
  11.   *   1. Redistributions of source code must retain the above copyright notice,
  12.   *      this list of conditions and the following disclaimer.
  13.   *   2. Redistributions in binary form must reproduce the above copyright notice,
  14.   *      this list of conditions and the following disclaimer in the documentation
  15.   *      and/or other materials provided with the distribution.
  16.   *   3. Neither the name of STMicroelectronics nor the names of its contributors
  17.   *      may be used to endorse or promote products derived from this software
  18.   *      without specific prior written permission.
  19.   *
  20.   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  21.   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22.   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  23.   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  24.   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25.   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  26.   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  27.   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28.   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29.   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30.   *
  31.   ******************************************************************************
  32.   */
  33. /* Includes ------------------------------------------------------------------*/
  34. #include "stm32f1xx_hal.h"
  35. #include "usb_device.h"
  36.  
  37. /* USER CODE BEGIN Includes */
  38. #include "ap_math.h"
  39. #include "serial.h"
  40. #include "SSD1306.h"
  41. #include "dials.h"
  42. #include <math.h>
  43.  
  44.  
  45. /* USER CODE END Includes */
  46.  
  47. /* Private variables ---------------------------------------------------------*/
  48. ADC_HandleTypeDef hadc1;
  49.  
  50. SPI_HandleTypeDef hspi1;
  51.  
  52. UART_HandleTypeDef huart2;
  53. IRDA_HandleTypeDef hirda3;
  54.  
  55. /* USER CODE BEGIN PV */
  56. /* Private variables ---------------------------------------------------------*/
  57.  
  58. /* USER CODE END PV */
  59.  
  60. /* Private function prototypes -----------------------------------------------*/
  61. void SystemClock_Config(void);
  62. static void MX_GPIO_Init(void);
  63. static void MX_ADC1_Init(void);
  64. static void MX_SPI1_Init(void);
  65. static void MX_USART2_UART_Init(void);
  66. static void MX_USART3_IRDA_Init(void);
  67.  
  68. /* USER CODE BEGIN PFP */
  69. /* Private function prototypes -----------------------------------------------*/
  70.  
  71. /* USER CODE END PFP */
  72.  
  73. /* USER CODE BEGIN 0 */
  74. /* dummy function */
  75. void _init(void) {
  76.  
  77. }
  78.  
  79. /* USER CODE END 0 */
  80.  
  81. int main(void)
  82. {
  83.  
  84.   /* USER CODE BEGIN 1 */
  85.  
  86.         GPIO_InitTypeDef GPIO_InitStruct;
  87.  
  88.         __HAL_RCC_SPI1_CLK_ENABLE()
  89.         ;
  90.         __HAL_RCC_USART2_CLK_ENABLE()
  91.         ;
  92.         __HAL_RCC_USART3_CLK_ENABLE();
  93.   /* USER CODE END 1 */
  94.  
  95.   /* MCU Configuration----------------------------------------------------------*/
  96.  
  97.   /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  98.   HAL_Init();
  99.  
  100.   /* Configure the system clock */
  101.   SystemClock_Config();
  102.  
  103.   /* Initialize all configured peripherals */
  104.   MX_GPIO_Init();
  105.   MX_ADC1_Init();
  106.   MX_SPI1_Init();
  107.   MX_USART2_UART_Init();
  108.   MX_USART3_IRDA_Init();
  109.   MX_USB_DEVICE_Init();
  110.  
  111.   /* USER CODE BEGIN 2 */
  112.         /* Need to set AF mode for output pins DURR. */
  113.         /* SPI bus AF pin selects */
  114.         GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
  115.  
  116.         GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_7;
  117.         GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  118.         HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  119.  
  120.         /* USART2 AF pin selects */
  121.         GPIO_InitStruct.Pin = GPIO_PIN_2;
  122.         GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
  123.         HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  124.  
  125.         /* USART3 AF pin selects */
  126.         GPIO_InitStruct.Pin = GPIO_PIN_10;
  127.         HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  128.  
  129.         /* Turn on USART2 IRQ  */
  130.         HAL_NVIC_SetPriority(USART2_IRQn, 4, 0);
  131.         HAL_NVIC_EnableIRQ(USART2_IRQn);
  132.  
  133.         /* Turn on USART3 IRQ */
  134.         HAL_NVIC_SetPriority(USART3_IRQn, 2, 0);
  135.         HAL_NVIC_EnableIRQ(USART3_IRQn);
  136.  
  137.         /* Setup for IRDA so make USART3 transmission for IRDA inverted - pulses are '0'  */
  138.         HAL_GPIO_WritePin(USART3_INVERT_GPIO_Port, USART3_INVERT_Pin, GPIO_PIN_SET);
  139.  
  140.         /* setup the USART control blocks */
  141.         init_usart_ctl(&uc2, huart2.Instance);
  142.         init_usart_ctl(&uc3, hirda3.Instance);
  143.  
  144.         EnableSerialRxInterrupt(&uc2);
  145.         EnableSerialRxInterrupt(&uc3);
  146.  
  147.         ap_init(); // set up the approximate math library
  148.  
  149.         ssd1306_begin(1, 0);
  150.         clearDisplay();
  151.         dim(1);
  152.         //font_puts(
  153.         //              "Hello world !!\rThis text is a test of the text rendering library in a 5*7 font");
  154.  
  155.         static const xp = 128 - 42;
  156.         dial_origin(xp, 40);
  157.         dial_size(40);
  158.         dial_draw_scale(10, 20, 16 , 2);
  159.  
  160.         display();
  161.  
  162.   /* USER CODE END 2 */
  163.  
  164.   /* Infinite loop */
  165.   /* USER CODE BEGIN WHILE */
  166.         uint32_t Ticks = HAL_GetTick()+100;
  167.         int16_t dial0 = 0;
  168.         int16_t dial1 = -1;
  169.  
  170.         int c = 0;
  171.         int i;
  172.         char buff[10];
  173.  
  174.  
  175.         while (1) {
  176.  
  177.                 uint16_t cc = SerialCharsReceived(&uc3);
  178.                 HAL_Delay(1);
  179.                 CDC_Poll_UART(); /* keep the traffic flowing */
  180.  
  181.                 dial0 = (c * 2)% 100;
  182.                 uint32_t CurrTicks = HAL_GetTick();
  183.                 if (CurrTicks > Ticks) {
  184.                         Ticks = CurrTicks+100;
  185.                         /* old needle un-draw */
  186.                         if (dial1 >= 0) {
  187.                                 dial_draw_needle(dial1);
  188.                         }
  189.                         // print value overlaid by needle
  190.                         print_digits(xp-16, 48, 4, 3, c);
  191.  
  192.  
  193.  
  194.                         dial_draw_needle(dial0);
  195.                         dial1 = dial0;
  196.  
  197.  
  198.  
  199.                         c++;
  200.                         for(i=0; i< 5; i++)
  201.                         buff[i]=i+c;
  202.                         print_large_string(buff,0,0,5);
  203.                         //font_gotoxy(0, 2);
  204.                         //font_puts("baud\r\n");
  205.                         //char buff[10];
  206.                         //itoa(hirda3.Init.BaudRate, buff, 10);
  207.                         //char l = 6 - strlen(buff);
  208.                         /* pad with leading spaces */
  209.                         //while (l > 0) {
  210.                         //      font_putchar(' ');
  211.                         //      l--;
  212.                         //}
  213.  
  214.                         //font_puts(itoa(hirda3.Init.BaudRate, buff, 10));
  215.  
  216.                         display();
  217.                 }
  218.   /* USER CODE END WHILE */
  219.  
  220.   /* USER CODE BEGIN 3 */
  221.  
  222.         }
  223.   /* USER CODE END 3 */
  224.  
  225. }
  226.  
  227. /** System Clock Configuration
  228. */
  229. void SystemClock_Config(void)
  230. {
  231.  
  232.   RCC_OscInitTypeDef RCC_OscInitStruct;
  233.   RCC_ClkInitTypeDef RCC_ClkInitStruct;
  234.   RCC_PeriphCLKInitTypeDef PeriphClkInit;
  235.  
  236.   RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  237.   RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
  238.   RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  239.   RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  240.   RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  241.   RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  242.   HAL_RCC_OscConfig(&RCC_OscInitStruct);
  243.  
  244.   RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
  245.                               |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  246.   RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  247.   RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  248.   RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  249.   RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
  250.   HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);
  251.  
  252.   PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC|RCC_PERIPHCLK_USB;
  253.   PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;
  254.   PeriphClkInit.UsbClockSelection = RCC_USBCLKSOURCE_PLL_DIV1_5;
  255.   HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
  256.  
  257.   HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
  258.  
  259.   HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
  260.  
  261.   /* SysTick_IRQn interrupt configuration */
  262.   HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
  263. }
  264.  
  265. /* ADC1 init function */
  266. void MX_ADC1_Init(void)
  267. {
  268.  
  269.   ADC_ChannelConfTypeDef sConfig;
  270.  
  271.     /**Common config
  272.     */
  273.   hadc1.Instance = ADC1;
  274.   hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
  275.   hadc1.Init.ContinuousConvMode = DISABLE;
  276.   hadc1.Init.DiscontinuousConvMode = DISABLE;
  277.   hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
  278.   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
  279.   hadc1.Init.NbrOfConversion = 1;
  280.   HAL_ADC_Init(&hadc1);
  281.  
  282.     /**Configure Regular Channel
  283.     */
  284.   sConfig.Channel = ADC_CHANNEL_0;
  285.   sConfig.Rank = 1;
  286.   sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
  287.   HAL_ADC_ConfigChannel(&hadc1, &sConfig);
  288.  
  289. }
  290.  
  291. /* SPI1 init function */
  292. void MX_SPI1_Init(void)
  293. {
  294.  
  295.   hspi1.Instance = SPI1;
  296.   hspi1.Init.Mode = SPI_MODE_MASTER;
  297.   hspi1.Init.Direction = SPI_DIRECTION_1LINE;
  298.   hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
  299.   hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;
  300.   hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
  301.   hspi1.Init.NSS = SPI_NSS_SOFT;
  302.   hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;
  303.   hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
  304.   hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
  305.   hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
  306.   hspi1.Init.CRCPolynomial = 10;
  307.   HAL_SPI_Init(&hspi1);
  308.  
  309. }
  310.  
  311. /* USART2 init function */
  312. void MX_USART2_UART_Init(void)
  313. {
  314.  
  315.   huart2.Instance = USART2;
  316.   huart2.Init.BaudRate = 115200;
  317.   huart2.Init.WordLength = UART_WORDLENGTH_8B;
  318.   huart2.Init.StopBits = UART_STOPBITS_1;
  319.   huart2.Init.Parity = UART_PARITY_NONE;
  320.   huart2.Init.Mode = UART_MODE_TX_RX;
  321.   huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  322.   huart2.Init.OverSampling = UART_OVERSAMPLING_16;
  323.   HAL_UART_Init(&huart2);
  324.  
  325. }
  326.  
  327. /* USART3 init function */
  328. void MX_USART3_IRDA_Init(void)
  329. {
  330.  
  331.   hirda3.Instance = USART3;
  332.   hirda3.Init.BaudRate = 115200;
  333.   hirda3.Init.WordLength = IRDA_WORDLENGTH_8B;
  334.   hirda3.Init.Parity = IRDA_PARITY_NONE;
  335.   hirda3.Init.Mode = IRDA_MODE_TX_RX;
  336.   hirda3.Init.Prescaler = 1;
  337.   hirda3.Init.IrDAMode = IRDA_POWERMODE_NORMAL;
  338.   HAL_IRDA_Init(&hirda3);
  339.  
  340. }
  341.  
  342. /** Configure pins as
  343.         * Analog
  344.         * Input
  345.         * Output
  346.         * EVENT_OUT
  347.         * EXTI
  348. */
  349. void MX_GPIO_Init(void)
  350. {
  351.  
  352.   GPIO_InitTypeDef GPIO_InitStruct;
  353.  
  354.   /* GPIO Ports Clock Enable */
  355.   __HAL_RCC_GPIOD_CLK_ENABLE();
  356.   __HAL_RCC_GPIOA_CLK_ENABLE();
  357.   __HAL_RCC_GPIOC_CLK_ENABLE();
  358.   __HAL_RCC_GPIOB_CLK_ENABLE();
  359.  
  360.   /*Configure GPIO pin Output Level */
  361.   HAL_GPIO_WritePin(GPIOA, SPI1_NSS1_Pin|SPI1CD_Pin, GPIO_PIN_RESET);
  362.  
  363.   /*Configure GPIO pin Output Level */
  364.   HAL_GPIO_WritePin(GPIOC, SPI_RESET_Pin|SPI_NSS2_Pin|USART3_INVERT_Pin|USB_PWR_Pin, GPIO_PIN_RESET);
  365.  
  366.   /*Configure GPIO pins : SPI1_NSS1_Pin SPI1CD_Pin */
  367.   GPIO_InitStruct.Pin = SPI1_NSS1_Pin|SPI1CD_Pin;
  368.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  369.   GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  370.   HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
  371.  
  372.   /*Configure GPIO pins : SPI_RESET_Pin SPI_NSS2_Pin USART3_INVERT_Pin USB_PWR_Pin */
  373.   GPIO_InitStruct.Pin = SPI_RESET_Pin|SPI_NSS2_Pin|USART3_INVERT_Pin|USB_PWR_Pin;
  374.   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
  375.   GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
  376.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  377.  
  378.   /*Configure GPIO pins : SW1_PUSH_Pin SW1_I_Pin SW1_Q_Pin SW2_PUSH_Pin */
  379.   GPIO_InitStruct.Pin = SW1_PUSH_Pin|SW1_I_Pin|SW1_Q_Pin|SW2_PUSH_Pin;
  380.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  381.   GPIO_InitStruct.Pull = GPIO_PULLUP;
  382.   HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
  383.  
  384.   /*Configure GPIO pins : SW2_I_Pin SW2_Q_Pin */
  385.   GPIO_InitStruct.Pin = SW2_I_Pin|SW2_Q_Pin;
  386.   GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
  387.   GPIO_InitStruct.Pull = GPIO_PULLUP;
  388.   HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
  389.  
  390. }
  391.  
  392. /* USER CODE BEGIN 4 */
  393.  
  394. /* USER CODE END 4 */
  395.  
  396. #ifdef USE_FULL_ASSERT
  397.  
  398. /**
  399.    * @brief Reports the name of the source file and the source line number
  400.    * where the assert_param error has occurred.
  401.    * @param file: pointer to the source file name
  402.    * @param line: assert_param error line source number
  403.    * @retval None
  404.    */
  405. void assert_failed(uint8_t* file, uint32_t line)
  406. {
  407.   /* USER CODE BEGIN 6 */
  408.         /* User can add his own implementation to report the file name and line number,
  409.          ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  410.   /* USER CODE END 6 */
  411.  
  412. }
  413.  
  414. #endif
  415.  
  416. /**
  417.   * @}
  418.   */
  419.  
  420. /**
  421.   * @}
  422. */
  423.  
  424. /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  425.