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/**

  ******************************************************************************

  * File Name          : main.c

  * Description        : Main program body

  ******************************************************************************

  *

  * COPYRIGHT(c) 2015 STMicroelectronics

  *

  * Redistribution and use in source and binary forms, with or without modification,

  * are permitted provided that the following conditions are met:

  *   1. Redistributions of source code must retain the above copyright notice,

  *      this list of conditions and the following disclaimer.

  *   2. Redistributions in binary form must reproduce the above copyright notice,

  *      this list of conditions and the following disclaimer in the documentation

  *      and/or other materials provided with the distribution.

  *   3. Neither the name of STMicroelectronics nor the names of its contributors

  *      may be used to endorse or promote products derived from this software

  *      without specific prior written permission.

  *

  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE

  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR

  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER

  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,

  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

  *

  ******************************************************************************

  */

/* Includes ------------------------------------------------------------------*/

#include "stm32f1xx_hal.h"

#include "usb_device.h"

#include "serial.h"

#include "SSD1306.h"

#include <math.h>

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

/* Private variables ---------------------------------------------------------*/

ADC_HandleTypeDef hadc1;

SPI_HandleTypeDef hspi1;

UART_HandleTypeDef huart2;

IRDA_HandleTypeDef hirda3;

/* USER CODE BEGIN PV */

/* Private variables ---------------------------------------------------------*/

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

static void MX_ADC1_Init(void);

static void MX_SPI1_Init(void);

static void MX_USART2_UART_Init(void);

static void MX_USART3_IRDA_Init(void);

/* USER CODE BEGIN PFP */

/* Private function prototypes -----------------------------------------------*/

/* USER CODE END PFP */

/* USER CODE BEGIN 0 */

/* dummy function */

void _init(void)

{

}

/* USER CODE END 0 */

int main(void)

{

  /* USER CODE BEGIN 1 */

        GPIO_InitTypeDef GPIO_InitStruct;

        __HAL_RCC_SPI1_CLK_ENABLE()

        ;

        __HAL_RCC_USART2_CLK_ENABLE()

        ;

        __HAL_RCC_USART3_CLK_ENABLE();

        /* USER CODE END 1 */

        /* MCU Configuration----------------------------------------------------------*/

        /* Reset of all peripherals, Initializes the Flash interface and the Systick. */

        HAL_Init();

        /* Configure the system clock */

        SystemClock_Config();

        /* Initialize all configured peripherals */

        MX_GPIO_Init();

        MX_ADC1_Init();

        MX_SPI1_Init();

        MX_USART2_UART_Init();

        MX_USART3_IRDA_Init();

        MX_USB_DEVICE_Init();

        /* USER CODE BEGIN 2 */

        /* Need to set AF mode for output pins DURR. */

        /* SPI bus AF pin selects */

        GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;

        GPIO_InitStruct.Pin = GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_7;

        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USART2 AF pin selects */

        GPIO_InitStruct.Pin = GPIO_PIN_2;

        GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;

        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* USART3 AF pin selects */

        GPIO_InitStruct.Pin = GPIO_PIN_10;

        HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

        /* Turn on USART2 IRQ  */

        HAL_NVIC_SetPriority(USART2_IRQn, 4, 0);

        HAL_NVIC_EnableIRQ(USART2_IRQn);

        /* Turn on USART3 IRQ */

        HAL_NVIC_SetPriority(USART3_IRQn, 2, 0);

        HAL_NVIC_EnableIRQ(USART3_IRQn);

        /* Setup for IRDA so make USART3 transmission for IRDA inverted - pulses are '0'  */

        HAL_GPIO_WritePin(USART3_INVERT_GPIO_Port, USART3_INVERT_Pin, GPIO_PIN_SET);

        /* setup the USART control blocks */

        init_usart_ctl(&uc2, huart2.Instance);

        init_usart_ctl(&uc3, hirda3.Instance);

        EnableSerialRxInterrupt(&uc2);

        EnableSerialRxInterrupt(&uc3);

        SSD1306_begin(1, 0);

        clearDisplay();

        font_gotoxy(0, 0);

        dim(1);

        font_puts(

                        "Hello world !!\rThis text is a test of the text rendering library in a 5*7 font");

        display();

        /* USER CODE END 2 */

        /* Infinite loop */

        /* USER CODE BEGIN WHILE */

        int cnt = 0;

        /* max characters to forward to USB */

        while (1) {

                /* bit of IRDA stuff */

                uint16_t chars = CDC_Poll_UART();

                /* end of USB stuff */

                print_digits(32, 48, 6, chars);

                print_digits(32,0,  7, hirda3.Init.BaudRate);

                display();

#if 0

                int ang = cnt % 360;

                int si = 32 * sin(ang / 180.0 * 3.14159);

                int co = 32 * cos(ang / 180.0 * 3.14159);

                uint8_t c = (cnt / 360) & 1;

                drawLine(32, 32, 32 + co, 32 + si, c);

#endif

                cnt++;

                /* USER CODE END WHILE */

                /* USER CODE BEGIN 3 */

        }

        /* USER CODE END 3 */

}

/** System Clock Configuration

*/

void SystemClock_Config(void)

{

  RCC_OscInitTypeDef RCC_OscInitStruct;

  RCC_ClkInitTypeDef RCC_ClkInitStruct;

  RCC_PeriphCLKInitTypeDef PeriphClkInit;

  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;

  RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;

  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;

  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;

  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;

  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;

  HAL_RCC_OscConfig(&RCC_OscInitStruct);

  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK|RCC_CLOCKTYPE_PCLK1;

  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;

  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;

  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2);

  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC|RCC_PERIPHCLK_USB;

  PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV6;

  PeriphClkInit.UsbClockSelection = RCC_USBPLLCLK_DIV1_5;

  HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);

  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);

  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);

  /* SysTick_IRQn interrupt configuration */

  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);

}

/* ADC1 init function */

void MX_ADC1_Init(void)

{

  ADC_ChannelConfTypeDef sConfig;

    /**Common config

    */

  hadc1.Instance = ADC1;

  hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;

  hadc1.Init.ContinuousConvMode = DISABLE;

  hadc1.Init.DiscontinuousConvMode = DISABLE;

  hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;

  hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;

  hadc1.Init.NbrOfConversion = 1;

  HAL_ADC_Init(&hadc1);

    /**Configure Regular Channel

    */

  sConfig.Channel = ADC_CHANNEL_0;

  sConfig.Rank = 1;

  sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;

  HAL_ADC_ConfigChannel(&hadc1, &sConfig);

}

/* SPI1 init function */

void MX_SPI1_Init(void)

{

  hspi1.Instance = SPI1;

  hspi1.Init.Mode = SPI_MODE_MASTER;

  hspi1.Init.Direction = SPI_DIRECTION_1LINE;

  hspi1.Init.DataSize = SPI_DATASIZE_8BIT;

  hspi1.Init.CLKPolarity = SPI_POLARITY_HIGH;

  hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;

  hspi1.Init.NSS = SPI_NSS_HARD_OUTPUT;

  hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_8;

  hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;

  hspi1.Init.TIMode = SPI_TIMODE_DISABLED;

  hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;

  hspi1.Init.CRCPolynomial = 10;

  HAL_SPI_Init(&hspi1);

}

/* USART2 init function */

void MX_USART2_UART_Init(void)

{

  huart2.Instance = USART2;

  huart2.Init.BaudRate = 115200;

  huart2.Init.WordLength = UART_WORDLENGTH_8B;

  huart2.Init.StopBits = UART_STOPBITS_1;

  huart2.Init.Parity = UART_PARITY_NONE;

  huart2.Init.Mode = UART_MODE_TX_RX;

  huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;

  huart2.Init.OverSampling = UART_OVERSAMPLING_16;

  HAL_UART_Init(&huart2);

}

/* USART3 init function */

void MX_USART3_IRDA_Init(void)

{

  hirda3.Instance = USART3;

  hirda3.Init.BaudRate = 57600; // match apparent baud rate seen

  hirda3.Init.WordLength = IRDA_WORDLENGTH_8B;

  hirda3.Init.Parity = IRDA_PARITY_NONE;

  hirda3.Init.Mode = IRDA_MODE_TX_RX;

  hirda3.Init.Prescaler = 1;

  hirda3.Init.IrDAMode = IRDA_POWERMODE_NORMAL;

  HAL_IRDA_Init(&hirda3);

}

/** Configure pins as

        * Analog

        * Input

        * Output

        * EVENT_OUT

        * EXTI

*/

void MX_GPIO_Init(void)

{

  GPIO_InitTypeDef GPIO_InitStruct;

  /* GPIO Ports Clock Enable */

  __GPIOD_CLK_ENABLE();

  __GPIOA_CLK_ENABLE();

  __GPIOC_CLK_ENABLE();

  __GPIOB_CLK_ENABLE();

  /*Configure GPIO pin : SPI1CD_Pin */

  GPIO_InitStruct.Pin = SPI1CD_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;

  HAL_GPIO_Init(SPI1CD_GPIO_Port, &GPIO_InitStruct);

  /*Configure GPIO pins : SPI_RESET_Pin USART3_INVERT_Pin USB_PWR_Pin */

  GPIO_InitStruct.Pin = SPI_RESET_Pin|USART3_INVERT_Pin|USB_PWR_Pin;

  GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

  GPIO_InitStruct.Speed = GPIO_SPEED_LOW;

  HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

#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

/**

  * @}

  */

/**

  * @}

*/

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/