/**
******************************************************************************
* 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****/