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qpc/examples/arm-cm/qk/gnu/dpp-qk_stm3210c-eval/STM3210C-EVAL/stm32_eval.c
Quantum Leaps 0e95d49224 5.1.0
2013-09-23 14:34:35 -04:00

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/**
******************************************************************************
* @file stm32_eval.c
* @author MCD Application Team
* @version V3.1.0
* @date 06/19/2009
* @brief This file provides firmware functions to manage Leds, push-buttons
* and COM ports available on STM32 Evaluation Boards from STMicroelectronics.
******************************************************************************
* @copy
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32_eval.h"
/** @addtogroup Utilities
* @{
*/
/** @defgroup STM32_EVAL
* @brief This file provides firmware functions to manage Leds, push-buttons
* and COM ports available on STM32 Evaluation Boards from STMicroelectronics.
* @{
*/
/** @defgroup STM32_EVAL_Private_TypesDefinitions
* @{
*/
/**
* @}
*/
/** @defgroup STM32_EVAL_Private_Defines
* @{
*/
/**
* @}
*/
/** @defgroup STM32_EVAL_Private_Macros
* @{
*/
/**
* @}
*/
/** @defgroup STM32_EVAL_Private_Variables
* @{
*/
GPIO_TypeDef* GPIO_PORT[LEDn] = {LED1_GPIO_PORT, LED2_GPIO_PORT, LED3_GPIO_PORT,
LED4_GPIO_PORT};
const uint16_t GPIO_PIN[LEDn] = {LED1_GPIO_PIN, LED2_GPIO_PIN, LED3_GPIO_PIN,
LED4_GPIO_PIN};
const uint32_t GPIO_CLK[LEDn] = {LED1_GPIO_CLK, LED2_GPIO_CLK, LED3_GPIO_CLK,
LED4_GPIO_CLK};
#ifdef USE_STM3210C_EVAL
GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {WAKEUP_BUTTON_PORT, TAMPER_BUTTON_PORT,
KEY_BUTTON_PORT};
const uint16_t BUTTON_PIN[BUTTONn] = {WAKEUP_BUTTON_PIN, TAMPER_BUTTON_PIN,
KEY_BUTTON_PIN};
const uint32_t BUTTON_CLK[BUTTONn] = {WAKEUP_BUTTON_CLK, TAMPER_BUTTON_CLK,
KEY_BUTTON_CLK};
const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {WAKEUP_BUTTON_EXTI_LINE,
TAMPER_BUTTON_EXTI_LINE,
KEY_BUTTON_EXTI_LINE};
const uint16_t BUTTON_PORT_SOURCE[BUTTONn] = {WAKEUP_BUTTON_PORT_SOURCE,
TAMPER_BUTTON_PORT_SOURCE,
KEY_BUTTON_PORT_SOURCE};
const uint16_t BUTTON_PIN_SOURCE[BUTTONn] = {WAKEUP_BUTTON_PIN_SOURCE,
TAMPER_BUTTON_PIN_SOURCE,
KEY_BUTTON_PIN_SOURCE};
const uint16_t BUTTON_IRQn[BUTTONn] = {WAKEUP_BUTTON_IRQn, TAMPER_BUTTON_IRQn,
KEY_BUTTON_IRQn};
USART_TypeDef* COM_USART[COMn] = {EVAL_COM1};
GPIO_TypeDef* COM_PORT[COMn] = {EVAL_COM1_GPIO};
const uint32_t COM_USART_CLK[COMn] = {EVAL_COM1_CLK};
const uint32_t COM_POR_CLK[COMn] = {EVAL_COM1_GPIO_CLK};
const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TxPin};
const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RxPin};
#else
GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {WAKEUP_BUTTON_PORT, TAMPER_BUTTON_PORT,
KEY_BUTTON_PORT, RIGHT_BUTTON_PORT,
LEFT_BUTTON_PORT, UP_BUTTON_PORT,
DOWN_BUTTON_PORT, SEL_BUTTON_PORT};
const uint16_t BUTTON_PIN[BUTTONn] = {WAKEUP_BUTTON_PIN, TAMPER_BUTTON_PIN,
KEY_BUTTON_PIN, RIGHT_BUTTON_PIN,
LEFT_BUTTON_PIN, UP_BUTTON_PIN,
DOWN_BUTTON_PIN, SEL_BUTTON_PIN};
const uint32_t BUTTON_CLK[BUTTONn] = {WAKEUP_BUTTON_CLK, TAMPER_BUTTON_CLK,
KEY_BUTTON_CLK, RIGHT_BUTTON_CLK,
LEFT_BUTTON_CLK, UP_BUTTON_CLK,
DOWN_BUTTON_CLK, SEL_BUTTON_CLK};
const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {WAKEUP_BUTTON_EXTI_LINE,
TAMPER_BUTTON_EXTI_LINE,
KEY_BUTTON_EXTI_LINE,
RIGHT_BUTTON_EXTI_LINE,
LEFT_BUTTON_EXTI_LINE,
UP_BUTTON_EXTI_LINE,
DOWN_BUTTON_EXTI_LINE,
SEL_BUTTON_EXTI_LINE};
const uint16_t BUTTON_PORT_SOURCE[BUTTONn] = {WAKEUP_BUTTON_PORT_SOURCE,
TAMPER_BUTTON_PORT_SOURCE,
KEY_BUTTON_PORT_SOURCE,
RIGHT_BUTTON_PORT_SOURCE,
LEFT_BUTTON_PORT_SOURCE,
UP_BUTTON_PORT_SOURCE,
DOWN_BUTTON_PORT_SOURCE,
SEL_BUTTON_PORT_SOURCE};
const uint16_t BUTTON_PIN_SOURCE[BUTTONn] = {WAKEUP_BUTTON_PIN_SOURCE,
TAMPER_BUTTON_PIN_SOURCE,
KEY_BUTTON_PIN_SOURCE,
RIGHT_BUTTON_PIN_SOURCE,
LEFT_BUTTON_PIN_SOURCE,
UP_BUTTON_PIN_SOURCE,
DOWN_BUTTON_PIN_SOURCE,
SEL_BUTTON_PIN_SOURCE};
const uint16_t BUTTON_IRQn[BUTTONn] = {WAKEUP_BUTTON_IRQn, TAMPER_BUTTON_IRQn,
KEY_BUTTON_IRQn, RIGHT_BUTTON_IRQn,
LEFT_BUTTON_IRQn, UP_BUTTON_IRQn,
DOWN_BUTTON_IRQn, SEL_BUTTON_IRQn};
USART_TypeDef* COM_USART[COMn] = {EVAL_COM1, EVAL_COM2};
GPIO_TypeDef* COM_PORT[COMn] = {EVAL_COM1_GPIO, EVAL_COM2_GPIO};
const uint32_t COM_USART_CLK[COMn] = {EVAL_COM1_CLK, EVAL_COM2_CLK};
const uint32_t COM_POR_CLK[COMn] = {EVAL_COM1_GPIO_CLK, EVAL_COM2_GPIO_CLK};
const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TxPin, EVAL_COM2_TxPin};
const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RxPin, EVAL_COM2_RxPin};
#endif
/**
* @}
*/
/** @defgroup STM32_EVAL_Private_FunctionPrototypes
* @{
*/
/**
* @}
*/
/** @defgroup STM32_EVAL_Private_Functions
* @{
*/
/**
* @brief Configures LED GPIO.
* @param Led: Specifies the Led to be configured.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval None
*/
void STM_EVAL_LEDInit(Led_TypeDef Led)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable the GPIO_LED Clock */
RCC_APB2PeriphClockCmd(GPIO_CLK[Led], ENABLE);
/* Configure the GPIO_LED pin */
GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Led];
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIO_PORT[Led], &GPIO_InitStructure);
}
/**
* @brief Turns selected LED On.
* @param Led: Specifies the Led to be set on.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval None
*/
void STM_EVAL_LEDOn(Led_TypeDef Led)
{
GPIO_PORT[Led]->BSRR = GPIO_PIN[Led];
}
/**
* @brief Turns selected LED Off.
* @param Led: Specifies the Led to be set off.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval None
*/
void STM_EVAL_LEDOff(Led_TypeDef Led)
{
GPIO_PORT[Led]->BRR = GPIO_PIN[Led];
}
/**
* @brief Toggles the selected LED.
* @param Led: Specifies the Led to be toggled.
* This parameter can be one of following parameters:
* @arg LED1
* @arg LED2
* @arg LED3
* @arg LED4
* @retval None
*/
void STM_EVAL_LEDToggle(Led_TypeDef Led)
{
GPIO_PORT[Led]->ODR ^= GPIO_PIN[Led];
}
/**
* @brief Configures Button GPIO and EXTI Line.
* @param Button: Specifies the Button to be configured.
* This parameter can be one of following parameters:
* @arg Button_WAKEUP: Wakeup Push Button
* @arg Button_TAMPER: Tamper Push Button
* @arg Button_KEY: Key Push Button
* @arg Button_RIGHT: Joystick Right Push Button
* @arg Button_LEFT: Joystick Left Push Button
* @arg Button_UP: Joystick Up Push Button
* @arg Button_DOWN: Joystick Down Push Button
* @arg Button_SEL: Joystick Sel Push Button
* @param Button_Mode: Specifies Button mode.
* This parameter can be one of following parameters:
* @arg Mode_GPIO: Button will be used as simple IO
* @arg Mode_EXTI: Button will be connected to EXTI line with interrupt
* generation capability
* @retval None
*/
void STM_EVAL_PBInit(Button_TypeDef Button, Button_Mode_TypeDef Button_Mode)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable Button GPIO clock */
RCC_APB2PeriphClockCmd(BUTTON_CLK[Button] | RCC_APB2Periph_AFIO, ENABLE);
/* Configure Button pin as input floating */
GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button];
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure);
if (Button_Mode == Mode_EXTI)
{
/* Connect Button EXTI Line to Button GPIO Pin */
GPIO_EXTILineConfig(BUTTON_PORT_SOURCE[Button], BUTTON_PIN_SOURCE[Button]);
/* Configure Button EXTI line */
EXTI_InitStructure.EXTI_Line = BUTTON_EXTI_LINE[Button];
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
if(Button != Button_WAKEUP)
{
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
}
else
{
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
}
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set Button EXTI Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = BUTTON_IRQn[Button];
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
}
/**
* @brief Returns the selected Button state.
* @param Button: Specifies the Button to be checked.
* This parameter can be one of following parameters:
* @arg Button_WAKEUP: Wakeup Push Button
* @arg Button_TAMPER: Tamper Push Button
* @arg Button_KEY: Key Push Button
* @arg Button_RIGHT: Joystick Right Push Button
* @arg Button_LEFT: Joystick Left Push Button
* @arg Button_UP: Joystick Up Push Button
* @arg Button_DOWN: Joystick Down Push Button
* @arg Button_SEL: Joystick Sel Push Button
* @retval The Button GPIO pin value.
*/
uint32_t STM_EVAL_PBGetState(Button_TypeDef Button)
{
return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]);
}
/**
* @brief Configures COM port.
* @param COM: Specifies the COM port to be configured.
* This parameter can be one of following parameters:
* @arg COM1
* @arg COM2
* @param USART_InitStruct: pointer to a USART_InitTypeDef structure that
* contains the configuration information for the specified USART peripheral.
* @retval None
*/
void STM_EVAL_COMInit(COM_TypeDef COM, USART_InitTypeDef* USART_InitStruct)
{
GPIO_InitTypeDef GPIO_InitStructure;
/* Enable GPIO clock */
RCC_APB2PeriphClockCmd(COM_POR_CLK[COM] | RCC_APB2Periph_AFIO, ENABLE);
/* Enable UART clock */
#if defined (USE_STM3210E_EVAL)
if (COM == COM1)
{
RCC_APB2PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
}
else
{
RCC_APB1PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
}
#elif defined (USE_STM3210B_EVAL)
if (COM == COM1)
{
RCC_APB2PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
}
else
{
/* Enable the USART2 Pins Software Remapping */
GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE);
RCC_APB1PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
}
#elif defined (USE_STM3210C_EVAL)
if (COM == COM1)
{
/* Enable the USART2 Pins Software Remapping */
GPIO_PinRemapConfig(GPIO_Remap_USART2, ENABLE);
RCC_APB1PeriphClockCmd(COM_USART_CLK[COM], ENABLE);
}
#endif
/* Configure USART Tx as alternate function push-pull */
GPIO_InitStructure.GPIO_Pin = COM_TX_PIN[COM];
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(COM_PORT[COM], &GPIO_InitStructure);
/* Configure USART Rx as input floating */
GPIO_InitStructure.GPIO_Pin = COM_RX_PIN[COM];
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(COM_PORT[COM], &GPIO_InitStructure);
/* USART configuration */
USART_Init(COM_USART[COM], USART_InitStruct);
/* Enable USART */
USART_Cmd(COM_USART[COM], ENABLE);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/
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