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Diffstat (limited to 'thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Utilities/STM32_EVAL/STM32303C_EVAL/stm32303c_eval.c')
| -rw-r--r-- | thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Utilities/STM32_EVAL/STM32303C_EVAL/stm32303c_eval.c | 762 |
1 files changed, 762 insertions, 0 deletions
diff --git a/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Utilities/STM32_EVAL/STM32303C_EVAL/stm32303c_eval.c b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Utilities/STM32_EVAL/STM32303C_EVAL/stm32303c_eval.c new file mode 100644 index 0000000..37cba19 --- /dev/null +++ b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Utilities/STM32_EVAL/STM32303C_EVAL/stm32303c_eval.c @@ -0,0 +1,762 @@ +/** + ****************************************************************************** + * @file stm32303c_eval.c + * @author MCD Application Team + * @version V1.0.1 + * @date 23-October-2012 + * @brief This file provides: a set of firmware functions to manage Leds, + * push-button and COM ports + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2> + * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "stm32303c_eval.h" + +/** @addtogroup Utilities + * @{ + */ + +/** @addtogroup STM32_EVAL + * @{ + */ + +/** @addtogroup STM32303C_EVAL + * @{ + */ + +/** @defgroup STM32303C_EVAL_LOW_LEVEL + * @brief This file provides firmware functions to manage Leds, push-buttons, + * COM ports, SD card on SPI and temperature sensor (TS751) available on + * STM32303C-EVAL evaluation board from STMicroelectronics. + * @{ + */ + +/** @defgroup STM32303C_EVAL_LOW_LEVEL_Private_TypesDefinitions + * @{ + */ +/** + * @} + */ + + +/** @defgroup STM32303C_EVAL_LOW_LEVEL_Private_Defines + * @{ + */ +/** + * @} + */ + + +/** @defgroup STM32303C_EVAL_LOW_LEVEL_Private_Macros + * @{ + */ +/** + * @} + */ + + +/** @defgroup STM32303C_EVAL_LOW_LEVEL_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_PIN, LED2_PIN, LED3_PIN, + LED4_PIN}; +const uint32_t GPIO_CLK[LEDn] = {LED1_GPIO_CLK, LED2_GPIO_CLK, LED3_GPIO_CLK, + LED4_GPIO_CLK}; + +GPIO_TypeDef* BUTTON_PORT[BUTTONn] = {KEY_BUTTON_GPIO_PORT, RIGHT_BUTTON_GPIO_PORT, + LEFT_BUTTON_GPIO_PORT, UP_BUTTON_GPIO_PORT, + DOWN_BUTTON_GPIO_PORT, SEL_BUTTON_GPIO_PORT}; + +const uint16_t BUTTON_PIN[BUTTONn] = {KEY_BUTTON_PIN, RIGHT_BUTTON_PIN, LEFT_BUTTON_PIN, + UP_BUTTON_PIN, DOWN_BUTTON_PIN, SEL_BUTTON_PIN}; + +const uint32_t BUTTON_CLK[BUTTONn] = {KEY_BUTTON_GPIO_CLK, RIGHT_BUTTON_GPIO_CLK, + LEFT_BUTTON_GPIO_CLK, UP_BUTTON_GPIO_CLK, + DOWN_BUTTON_GPIO_CLK, SEL_BUTTON_GPIO_CLK}; + +const uint16_t BUTTON_EXTI_LINE[BUTTONn] = {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 uint8_t BUTTON_PORT_SOURCE[BUTTONn] = {KEY_BUTTON_EXTI_PORT_SOURCE, + RIGHT_BUTTON_EXTI_PORT_SOURCE, + LEFT_BUTTON_EXTI_PORT_SOURCE, + UP_BUTTON_EXTI_PORT_SOURCE, + DOWN_BUTTON_EXTI_PORT_SOURCE, + SEL_BUTTON_EXTI_PORT_SOURCE}; + +const uint8_t BUTTON_PIN_SOURCE[BUTTONn] = {KEY_BUTTON_EXTI_PIN_SOURCE, + RIGHT_BUTTON_EXTI_PIN_SOURCE, + LEFT_BUTTON_EXTI_PIN_SOURCE, + UP_BUTTON_EXTI_PIN_SOURCE, + DOWN_BUTTON_EXTI_PIN_SOURCE, + SEL_BUTTON_EXTI_PIN_SOURCE}; + +const uint8_t BUTTON_IRQn[BUTTONn] = {KEY_BUTTON_EXTI_IRQn, + RIGHT_BUTTON_EXTI_IRQn, LEFT_BUTTON_EXTI_IRQn, + UP_BUTTON_EXTI_IRQn, DOWN_BUTTON_EXTI_IRQn, + SEL_BUTTON_EXTI_IRQn}; + +USART_TypeDef* COM_USART[COMn] = {EVAL_COM1}; + +GPIO_TypeDef* COM_TX_PORT[COMn] = {EVAL_COM1_TX_GPIO_PORT}; + +GPIO_TypeDef* COM_RX_PORT[COMn] = {EVAL_COM1_RX_GPIO_PORT}; + +const uint32_t COM_USART_CLK[COMn] = {EVAL_COM1_CLK}; + +const uint32_t COM_TX_PORT_CLK[COMn] = {EVAL_COM1_TX_GPIO_CLK}; + +const uint32_t COM_RX_PORT_CLK[COMn] = {EVAL_COM1_RX_GPIO_CLK}; + +const uint16_t COM_TX_PIN[COMn] = {EVAL_COM1_TX_PIN}; + +const uint16_t COM_RX_PIN[COMn] = {EVAL_COM1_RX_PIN}; + +const uint16_t COM_TX_PIN_SOURCE[COMn] = {EVAL_COM1_TX_SOURCE}; + +const uint16_t COM_RX_PIN_SOURCE[COMn] = {EVAL_COM1_RX_SOURCE}; + +const uint8_t COM_TX_AF[COMn] = {EVAL_COM1_TX_AF}; + +const uint8_t COM_RX_AF[COMn] = {EVAL_COM1_RX_AF}; + + +/** + * @} + */ + + +/** @defgroup STM32303C_EVAL_LOW_LEVEL_Private_FunctionPrototypes + * @{ + */ + +/** + * @} + */ + +/** @defgroup STM32303C_EVAL_LOW_LEVEL_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_AHBPeriphClockCmd(GPIO_CLK[Led], ENABLE); + + /* Configure the GPIO_LED pin */ + GPIO_InitStructure.GPIO_Pin = GPIO_PIN[Led]; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(GPIO_PORT[Led], &GPIO_InitStructure); + GPIO_PORT[Led]->BSRR = GPIO_PIN[Led]; +} + +/** + * @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]->BRR = 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]->BSRR = 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_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 BUTTON_MODE_GPIO: Button will be used as simple IO + * @arg BUTTON_MODE_EXTI: Button will be connected to EXTI line with interrupt + * generation capability + * @retval None + */ +void STM_EVAL_PBInit(Button_TypeDef Button, ButtonMode_TypeDef Button_Mode) +{ + GPIO_InitTypeDef GPIO_InitStructure; + EXTI_InitTypeDef EXTI_InitStructure; + NVIC_InitTypeDef NVIC_InitStructure; + + /* There is no Wakeup button on STM32303C_EVAL-EVAL, the Button value should + be greater than 0. */ + if(Button > 0) + { + Button = (Button_TypeDef) (Button - 1); + + /* Enable the BUTTON Clock */ + RCC_AHBPeriphClockCmd(BUTTON_CLK[Button], ENABLE); + RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); + + /* Configure Button pin as input */ + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN; + GPIO_InitStructure.GPIO_Pin = BUTTON_PIN[Button]; + GPIO_Init(BUTTON_PORT[Button], &GPIO_InitStructure); + + + if (Button_Mode == BUTTON_MODE_EXTI) + { + /* Connect Button EXTI Line to Button GPIO Pin */ + SYSCFG_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_KEY) + { + EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; + } + else + { + EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; + } + 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_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 - When Button > 0, the Button GPIO pin value is returned. + * - When Button = 0 , error code (0xFF) is returned. + */ +uint32_t STM_EVAL_PBGetState(Button_TypeDef Button) +{ + /* There is no Wakeup button on STM32303C_EVAL-EVAL, the Button value should + be greater than 0. */ + if(Button > 0) + { + Button = (Button_TypeDef) (Button - 1); + return GPIO_ReadInputDataBit(BUTTON_PORT[Button], BUTTON_PIN[Button]); + } + else + { + return 0xFF; /* Error Code */ + } +} + +/** + * @brief Configures COM port. + * @param COM: Specifies the COM port to be configured. + * This parameter can be one of following parameters: + * @arg COM1 + * @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_AHBPeriphClockCmd(COM_TX_PORT_CLK[COM] | COM_RX_PORT_CLK[COM], ENABLE); + + /* Enable USART clock */ + RCC_APB2PeriphClockCmd(COM_USART_CLK[COM], ENABLE); + + /* Connect PXx to USARTx_Tx */ + GPIO_PinAFConfig(COM_TX_PORT[COM], COM_TX_PIN_SOURCE[COM], COM_TX_AF[COM]); + + /* Connect PXx to USARTx_Rx */ + GPIO_PinAFConfig(COM_RX_PORT[COM], COM_RX_PIN_SOURCE[COM], COM_RX_AF[COM]); + + /* Configure USART Tx as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = COM_TX_PIN[COM]; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; + GPIO_Init(COM_TX_PORT[COM], &GPIO_InitStructure); + + /* Configure USART Rx as alternate function push-pull */ + GPIO_InitStructure.GPIO_Pin = COM_RX_PIN[COM]; + GPIO_Init(COM_RX_PORT[COM], &GPIO_InitStructure); + + /* USART configuration */ + USART_Init(COM_USART[COM], USART_InitStruct); + + /* Enable USART */ + USART_Cmd(COM_USART[COM], ENABLE); +} + +/** + * @brief DeInitializes the SPI interface. + * @param None + * @retval None + */ +void SD_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + SPI_Cmd(SD_SPI, DISABLE); /* SD_SPI disable */ + SPI_I2S_DeInit(SD_SPI); /* DeInitializes the SD_SPI */ + + /* SD_SPI Periph clock disable */ + RCC_APB1PeriphClockCmd(SD_SPI_CLK, DISABLE); + + /*Configure SD_SPI pins: SCK */ + GPIO_InitStructure.GPIO_Pin = SD_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(SD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI pins: MISO */ + GPIO_InitStructure.GPIO_Pin = SD_SPI_MISO_PIN; + GPIO_Init(SD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI pins: MOSI */ + GPIO_InitStructure.GPIO_Pin = SD_SPI_MOSI_PIN; + GPIO_Init(SD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI_CS_PIN pin: SD Card CS pin */ + GPIO_InitStructure.GPIO_Pin = SD_CS_PIN; + GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */ + GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN; + GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief Initializes the SD Card and put it into StandBy State (Ready for + * data transfer). + * @param None + * @retval None + */ +void SD_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + SPI_InitTypeDef SPI_InitStructure; + + /* SD_SPI_CS_GPIO, SD_SPI_MOSI_GPIO, SD_SPI_MISO_GPIO, SD_SPI_DETECT_GPIO + and SD_SPI_SCK_GPIO Periph clock enable */ + RCC_AHBPeriphClockCmd(SD_CS_GPIO_CLK | SD_SPI_MOSI_GPIO_CLK | SD_SPI_MISO_GPIO_CLK | + SD_SPI_SCK_GPIO_CLK | SD_DETECT_GPIO_CLK, ENABLE); + + /* SD_SPI Periph clock enable */ + RCC_APB1PeriphClockCmd(SD_SPI_CLK, ENABLE); + + /* Configure SD_SPI pins: SCK */ + GPIO_InitStructure.GPIO_Pin = SD_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; + GPIO_Init(SD_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI pins: MISO */ + GPIO_InitStructure.GPIO_Pin = SD_SPI_MISO_PIN; + GPIO_Init(SD_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI pins: MOSI */ + GPIO_InitStructure.GPIO_Pin = SD_SPI_MOSI_PIN; + GPIO_Init(SD_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI_CS_PIN pin: SD Card CS pin */ + GPIO_InitStructure.GPIO_Pin = SD_CS_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructure); + + /* Configure SD_SPI_DETECT_PIN pin: SD Card detect pin */ + GPIO_InitStructure.GPIO_Pin = SD_DETECT_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; + GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructure); + + /* Connect PXx to SD_SPI_SCK */ + GPIO_PinAFConfig(SD_SPI_SCK_GPIO_PORT, SD_SPI_SCK_SOURCE, SD_SPI_SCK_AF); + + /* Connect PXx to SD_SPI_MISO */ + GPIO_PinAFConfig(SD_SPI_MISO_GPIO_PORT, SD_SPI_MISO_SOURCE, SD_SPI_MISO_AF); + + /* Connect PXx to SD_SPI_MOSI */ + GPIO_PinAFConfig(SD_SPI_MOSI_GPIO_PORT, SD_SPI_MOSI_SOURCE, SD_SPI_MOSI_AF); + + /* SD_SPI Config */ + SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; + SPI_InitStructure.SPI_Mode = SPI_Mode_Master; + SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; + SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; + SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; + SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; + SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2; + + SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; + SPI_InitStructure.SPI_CRCPolynomial = 7; + SPI_Init(SD_SPI, &SPI_InitStructure); + + SPI_RxFIFOThresholdConfig(SD_SPI, SPI_RxFIFOThreshold_QF); + + SPI_Cmd(SD_SPI, ENABLE); /* SD_SPI enable */ +} + +/** + * @brief DeInitializes the TS751_I2C. + * @param None + * @retval None + */ +void TS751_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Disable TS751_I2C */ + I2C_Cmd(TS751_I2C, DISABLE); + + /* DeInitializes the TS751_I2C */ + I2C_DeInit(TS751_I2C); + + /* TS751_I2C Periph clock disable */ + RCC_APB1PeriphClockCmd(TS751_I2C_CLK, DISABLE); + + /* Configure TS751_I2C pins: SCL */ + GPIO_InitStructure.GPIO_Pin = TS751_I2C_SCL_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(TS751_I2C_SCL_GPIO_PORT, &GPIO_InitStructure); + + /* Configure TS751_I2C pins: SDA */ + GPIO_InitStructure.GPIO_Pin = TS751_I2C_SDA_PIN; + GPIO_Init(TS751_I2C_SDA_GPIO_PORT, &GPIO_InitStructure); + + /* Configure TS751_I2C pin: SMBUS ALERT */ + GPIO_InitStructure.GPIO_Pin = TS751_I2C_SMBUSALERT_PIN; + GPIO_Init(TS751_I2C_SMBUSALERT_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief Initializes the TS751_I2C.. + * @param None + * @retval None + */ +void TS751_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* TS751_I2C Periph clock enable */ + RCC_APB1PeriphClockCmd(TS751_I2C_CLK, ENABLE); + + /* Configure the I2C clock source. The clock is derived from the SYSCLK */ + RCC_I2CCLKConfig(RCC_I2C2CLK_SYSCLK); + + /* TS751_I2C_SCL_GPIO_CLK, TS751_I2C_SDA_GPIO_CLK + and TS751_I2C_SMBUSALERT_GPIO_CLK Periph clock enable */ + RCC_AHBPeriphClockCmd(TS751_I2C_SCL_GPIO_CLK | TS751_I2C_SDA_GPIO_CLK | + TS751_I2C_SMBUSALERT_GPIO_CLK, ENABLE); + + /* Connect PXx to I2C_SCL */ + GPIO_PinAFConfig(TS751_I2C_SCL_GPIO_PORT, TS751_I2C_SCL_SOURCE, TS751_I2C_SCL_AF); + + /* Connect PXx to I2C_SDA */ + GPIO_PinAFConfig(TS751_I2C_SDA_GPIO_PORT, TS751_I2C_SDA_SOURCE, TS751_I2C_SDA_AF); + + /* Connect PXx to I2C_SMBUSALER */ + GPIO_PinAFConfig(TS751_I2C_SMBUSALERT_GPIO_PORT, TS751_I2C_SMBUSALERT_SOURCE, TS751_I2C_SMBUSALERT_AF); + + /* Configure TS751_I2C pins: SCL */ + GPIO_InitStructure.GPIO_Pin = TS751_I2C_SCL_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(TS751_I2C_SCL_GPIO_PORT, &GPIO_InitStructure); + + /* Configure TS751_I2C pins: SDA */ + GPIO_InitStructure.GPIO_Pin = TS751_I2C_SDA_PIN; + GPIO_Init(TS751_I2C_SDA_GPIO_PORT, &GPIO_InitStructure); + + /* Configure TS751_I2C pin: SMBUS ALERT */ + GPIO_InitStructure.GPIO_Pin = TS751_I2C_SMBUSALERT_PIN; + GPIO_Init(TS751_I2C_SMBUSALERT_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief DeInitializes peripherals used by the I2C EEPROM driver. + * @param None + * @retval None + */ +void sEE_I2C_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* sEE_I2C Peripheral Disable */ + I2C_Cmd(sEE_I2C, DISABLE); + + /* sEE_I2C DeInit */ + I2C_DeInit(sEE_I2C); + + /* sEE_I2C Periph clock disable */ + RCC_APB1PeriphClockCmd(sEE_I2C_CLK, DISABLE); + + /* GPIO configuration */ + /* Configure sEE_I2C pins: SCL */ + GPIO_InitStructure.GPIO_Pin = sEE_I2C_SCL_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(sEE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE_I2C pins: SDA */ + GPIO_InitStructure.GPIO_Pin = sEE_I2C_SDA_PIN; + GPIO_Init(sEE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief Initializes peripherals used by the I2C EEPROM driver. + * @param None + * @retval None + */ +void sEE_I2C_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + /* Configure the I2C clock source. The clock is derived from the SYSCLK */ + RCC_I2CCLKConfig(RCC_I2C2CLK_SYSCLK); + + /* sEE_I2C_SCL_GPIO_CLK and sEE_I2C_SDA_GPIO_CLK Periph clock enable */ + RCC_AHBPeriphClockCmd(sEE_I2C_SCL_GPIO_CLK | sEE_I2C_SDA_GPIO_CLK, ENABLE); + + /* sEE_I2C Periph clock enable */ + RCC_APB1PeriphClockCmd(sEE_I2C_CLK, ENABLE); + + /* Connect PXx to I2C_SCL*/ + GPIO_PinAFConfig(sEE_I2C_SCL_GPIO_PORT, sEE_I2C_SCL_SOURCE, sEE_I2C_SCL_AF); + + /* Connect PXx to I2C_SDA*/ + GPIO_PinAFConfig(sEE_I2C_SDA_GPIO_PORT, sEE_I2C_SDA_SOURCE, sEE_I2C_SDA_AF); + + /* GPIO configuration */ + /* Configure sEE_I2C pins: SCL */ + GPIO_InitStructure.GPIO_Pin = sEE_I2C_SCL_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; + GPIO_Init(sEE_I2C_SCL_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE_I2C pins: SDA */ + GPIO_InitStructure.GPIO_Pin = sEE_I2C_SDA_PIN; + GPIO_Init(sEE_I2C_SDA_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief DeInitializes the SPI interface. + * @param None + * @retval None + */ +void sEE_SPI_LowLevel_DeInit(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + + SPI_Cmd(sEE_SPI, DISABLE); /* sEE_SPI disable */ + SPI_I2S_DeInit(sEE_SPI); /* DeInitializes the sEE_SPI */ + + /* sEE_SPI Periph clock disable */ + RCC_APB1PeriphClockCmd(sEE_SPI_CLK, DISABLE); + + /* Configure sEE_SPI pins: SCK */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(sEE_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE pins: MISO */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_MISO_PIN; + GPIO_Init(sEE_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE pins: MOSI */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_MOSI_PIN; + GPIO_Init(sEE_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE_CS_PIN pin: sEE Card CS pin */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_CS_PIN; + GPIO_Init(sEE_SPI_CS_GPIO_PORT, &GPIO_InitStructure); +} + +/** + * @brief Initializes the SPI interface for EEPROM + * @param None + * @retval None + */ +void sEE_SPI_LowLevel_Init(void) +{ + GPIO_InitTypeDef GPIO_InitStructure; + SPI_InitTypeDef SPI_InitStructure; + + /* sEE_CS_GPIO, sEE_MOSI_GPIO, sEE_MISO_GPIO and sEE_SCK_GPIO + Periph clock enable */ + RCC_AHBPeriphClockCmd(sEE_SPI_CS_GPIO_CLK | sEE_SPI_MOSI_GPIO_CLK | sEE_SPI_MISO_GPIO_CLK | + sEE_SPI_SCK_GPIO_CLK , ENABLE); + + /* sEE Periph clock enable */ + RCC_APB1PeriphClockCmd(sEE_SPI_CLK, ENABLE); + + /* Configure sEE pins: SCK */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_SCK_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; + GPIO_Init(sEE_SPI_SCK_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE pins: MISO */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_MISO_PIN; + GPIO_Init(sEE_SPI_MISO_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE pins: MOSI */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_MOSI_PIN; + GPIO_Init(sEE_SPI_MOSI_GPIO_PORT, &GPIO_InitStructure); + + /* Configure sEE_CS_PIN pin: sEE Card CS pin */ + GPIO_InitStructure.GPIO_Pin = sEE_SPI_CS_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(sEE_SPI_CS_GPIO_PORT, &GPIO_InitStructure); + + /* Connect PXx to sEE_SCK */ + GPIO_PinAFConfig(sEE_SPI_SCK_GPIO_PORT, sEE_SPI_SCK_SOURCE, sEE_SPI_SCK_AF); + + /* Connect PXx to sEE_MISO */ + GPIO_PinAFConfig(sEE_SPI_MISO_GPIO_PORT, sEE_SPI_MISO_SOURCE, sEE_SPI_MISO_AF); + + /* Connect PXx to sEE_MOSI */ + GPIO_PinAFConfig(sEE_SPI_MOSI_GPIO_PORT, sEE_SPI_MOSI_SOURCE, sEE_SPI_MOSI_AF); + + /* sEE SPI Config */ + SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; + SPI_InitStructure.SPI_Mode = SPI_Mode_Master; + SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; + SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; + SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; + SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; + SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_64; + + SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; + SPI_InitStructure.SPI_CRCPolynomial = 7; + SPI_Init(sEE_SPI, &SPI_InitStructure); + + SPI_RxFIFOThresholdConfig(sEE_SPI, SPI_RxFIFOThreshold_QF); + + SPI_Cmd(sEE_SPI, ENABLE); /* sEE_SPI enable */ +} + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/** + * @} + */ + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |