using stm32cube to generate startup code
Diff: main.cpp
- Revision:
- 0:8a83ba215cd0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Aug 25 15:09:19 2014 +0000 @@ -0,0 +1,247 @@ +/** + ****************************************************************************** + * File Name : main.c + * Date : 21/08/2014 07:33:41 + * Description : Main program body + ****************************************************************************** + * + * COPYRIGHT(c) 2014 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 "stm32f4xx_hal.h" + +/* Private variables ---------------------------------------------------------*/ +ADC_HandleTypeDef hadc1; + +UART_HandleTypeDef huart2; + +/* USER CODE BEGIN 0 */ + +#include "mbed.h" +AnalogIn analog_value(A0); + +DigitalOut myled(LED1); + +// Calculate the corresponding acquisition measure for a given value in mV +#define MV(x) ((0xFFF*x)/3300) + +/* USER CODE END 0 */ + +/* Private function prototypes -----------------------------------------------*/ +void SystemClock_Config(void); +static void MX_GPIO_Init(void); +static void MX_ADC1_Init(void); +static void MX_USART2_UART_Init(void); + +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(); + + /* Configure the system clock */ + SystemClock_Config(); + + /* System interrupt init*/ + /* Sets the priority grouping field */ + HAL_NVIC_SetPriorityGrouping(NVIC_PRIORITYGROUP_4); + HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0); + + /* Initialize all configured peripherals */ + MX_GPIO_Init(); + MX_ADC1_Init(); + MX_USART2_UART_Init(); + + /* USER CODE BEGIN 2 */ + + /* USER CODE END 2 */ + + /* USER CODE BEGIN 3 */ + /* Infinite loop */ + while (1) { + uint16_t meas = analog_value.read_u16(); // Converts and read the analog input value + if (meas > MV(1000)) { // If the value is greater than 1000 mV toggle the LED + myled = !myled; + } + wait(1); // 200 ms + } + /* USER CODE END 3 */ + +} + +/** System Clock Configuration +*/ +void SystemClock_Config(void) +{ + + RCC_ClkInitTypeDef RCC_ClkInitStruct; + RCC_OscInitTypeDef RCC_OscInitStruct; + + __PWR_CLK_ENABLE(); + + __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2); + + RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI; + RCC_OscInitStruct.HSIState = RCC_HSI_ON; + RCC_OscInitStruct.HSICalibrationValue = 6; + RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; + RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; + RCC_OscInitStruct.PLL.PLLM = 16; + RCC_OscInitStruct.PLL.PLLN = 336; + RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4; + RCC_OscInitStruct.PLL.PLLQ = 7; + 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); + +} + +/* ADC1 init function */ +void MX_ADC1_Init(void) +{ + + ADC_ChannelConfTypeDef sConfig; + + /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) + */ + hadc1.Instance = ADC1; + hadc1.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV2; + hadc1.Init.Resolution = ADC_RESOLUTION12b; + hadc1.Init.ScanConvMode = DISABLE; + hadc1.Init.ContinuousConvMode = DISABLE; + hadc1.Init.DiscontinuousConvMode = DISABLE; + hadc1.Init.NbrOfDiscConversion = 1; + hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE; + hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; + hadc1.Init.NbrOfConversion = 1; + hadc1.Init.DMAContinuousRequests = DISABLE; + hadc1.Init.EOCSelection = EOC_SINGLE_CONV; + HAL_ADC_Init(&hadc1); + + /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time. + */ + sConfig.Channel = ADC_CHANNEL_0; + sConfig.Rank = 1; + sConfig.SamplingTime = ADC_SAMPLETIME_3CYCLES; + HAL_ADC_ConfigChannel(&hadc1, &sConfig); + +} + +/* 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); + +} + +/** Configure pins as + * Analog + * Input + * Output + * EVENT_OUT + * EXTI +*/ +void MX_GPIO_Init(void) +{ + + GPIO_InitTypeDef GPIO_InitStruct; + + /* GPIO Ports Clock Enable */ + __GPIOC_CLK_ENABLE(); + __GPIOH_CLK_ENABLE(); + __GPIOA_CLK_ENABLE(); + __GPIOB_CLK_ENABLE(); + + /*Configure GPIO pin : PC13 */ + GPIO_InitStruct.Pin = GPIO_PIN_13; + GPIO_InitStruct.Mode = GPIO_MODE_EVT_RISING; + GPIO_InitStruct.Pull = GPIO_NOPULL; + HAL_GPIO_Init(GPIOC, &GPIO_InitStruct); + + /*Configure GPIO pin : PA5 */ + GPIO_InitStruct.Pin = GPIO_PIN_5; + GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; + GPIO_InitStruct.Pull = GPIO_NOPULL; + GPIO_InitStruct.Speed = GPIO_SPEED_LOW; + HAL_GPIO_Init(GPIOA, &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****/