diff options
Diffstat (limited to 'thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/hw_config.c')
| -rw-r--r-- | thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/hw_config.c | 461 |
1 files changed, 461 insertions, 0 deletions
diff --git a/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/hw_config.c b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/hw_config.c new file mode 100644 index 0000000..74eb8ed --- /dev/null +++ b/thirdparty/STM32_USB-FS-Device_Lib_V4.0.0/Projects/Audio_Speaker/src/hw_config.c @@ -0,0 +1,461 @@ +/** + ****************************************************************************** + * @file hw_config.c + * @author MCD Application Team + * @version V4.0.0 + * @date 21-January-2013 + * @brief Hardware Configuration & Setup + ****************************************************************************** + * @attention + * + * <h2><center>© COPYRIGHT 2013 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 "hw_config.h" +#include "stm32_it.h" +#include "usb_lib.h" +#include "usb_desc.h" +#include "usb_pwr.h" +#include "usb_prop.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ +#define TIM2ARRValue 3273 /* 22KHz = 72MHz / 3273 */ +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +ErrorStatus HSEStartUpStatus; +EXTI_InitTypeDef EXTI_InitStructure; + +/* Extern variables ----------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len); +/* Private functions ---------------------------------------------------------*/ + +/******************************************************************************* +* Function Name : Set_System +* Description : Configures Main system clocks & power +* Input : None. +* Return : None. +*******************************************************************************/ +void Set_System(void) +{ +#if !defined(STM32L1XX_MD) + GPIO_InitTypeDef GPIO_InitStructure; +#endif /* STM32L1XX_MD */ +#if defined(USB_USE_EXTERNAL_PULLUP) + GPIO_InitTypeDef GPIO_InitStructure; +#endif /* USB_USE_EXTERNAL_PULLUP */ + + /*!< At this stage the microcontroller clock setting is already configured, + this is done through SystemInit() function which is called from startup + file (startup_stm32xxx.s) before to branch to application main. + To reconfigure the default setting of SystemInit() function, refer to + system_stm32xxx.c file + */ + +#ifdef STM32L1XX_MD + /* Enable the SYSCFG module clock */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); +#endif /* STM32L1XX_MD */ + +#ifdef USE_STM3210B_EVAL + /* Enable GPIOB, TIM2 & TIM4 clock */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB , ENABLE); + RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2 | RCC_APB1Periph_TIM4 , ENABLE); +#endif /* USE_STM3210B_EVAL */ + +#if !defined(STM32L1XX_MD) + /* Configure USB pull-up */ + RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIO_DISCONNECT, ENABLE); + + /* Configure USB pull-up */ + GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD; + GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); +#endif /* STM32L1XX_MD */ + +#if defined(USB_USE_EXTERNAL_PULLUP) + /* Enable the USB disconnect GPIO clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIO_DISCONNECT, ENABLE); + + /* USB_DISCONNECT used as USB pull-up */ + GPIO_InitStructure.GPIO_Pin = USB_DISCONNECT_PIN; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; + GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; + GPIO_Init(USB_DISCONNECT, &GPIO_InitStructure); +#endif /* USB_USE_EXTERNAL_PULLUP */ + + USB_Cable_Config(DISABLE); + + USB_Cable_Config(ENABLE); + + /* Configure the EXTI line 18 connected internally to the USB IP */ + EXTI_ClearITPendingBit(EXTI_Line18); + EXTI_InitStructure.EXTI_Line = EXTI_Line18; + EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; + EXTI_InitStructure.EXTI_LineCmd = ENABLE; + EXTI_Init(&EXTI_InitStructure); +} + +/******************************************************************************* +* Function Name : Set_USBClock +* Description : Configures USB Clock input (48MHz) +* Input : None. +* Return : None. +*******************************************************************************/ +void Set_USBClock(void) +{ +#ifdef STM32L1XX_MD + /* Enable USB clock */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); + +#else + /* Select USBCLK source */ + RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5); + + /* Enable the USB clock */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE); +#endif /* STM32L1XX_MD */ +} + +/******************************************************************************* +* Function Name : Enter_LowPowerMode +* Description : Power-off system clocks and power while entering suspend mode +* Input : None. +* Return : None. +*******************************************************************************/ +void Enter_LowPowerMode(void) +{ + /* Set the device state to suspend */ + bDeviceState = SUSPENDED; +} + +/******************************************************************************* +* Function Name : Leave_LowPowerMode +* Description : Restores system clocks and power while exiting suspend mode +* Input : None. +* Return : None. +*******************************************************************************/ +void Leave_LowPowerMode(void) +{ + DEVICE_INFO *pInfo = &Device_Info; + + /* Set the device state to the correct state */ + if (pInfo->Current_Configuration != 0) + { + /* Device configured */ + bDeviceState = CONFIGURED; + } + else + { + bDeviceState = ATTACHED; + } + /*Enable SystemCoreClock*/ + SystemInit(); +} + +/******************************************************************************* +* Function Name : USB_Interrupts_Config +* Description : Configures the USB interrupts +* Input : None. +* Return : None. +*******************************************************************************/ +void USB_Config(void) +{ + NVIC_InitTypeDef NVIC_InitStructure; + + NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); + +#ifdef STM32L1XX_MD + NVIC_InitStructure.NVIC_IRQChannel = USB_LP_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + /* Enable and configure the priority of the USB_HP IRQ Channel*/ + NVIC_InitStructure.NVIC_IRQChannel = USB_HP_IRQn; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; + NVIC_Init(&NVIC_InitStructure); + + /* Enable the USB Wake-up interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USB_FS_WKUP_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + +#else /* USE_STM3210B_EVAL or USE_STM3210E_EVAL */ + + /* Enable and configure the priority of the USB_LP IRQ Channel*/ + NVIC_InitStructure.NVIC_IRQChannel = USB_LP_CAN1_RX0_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + + /* Enable and configure the priority of the USB_HP IRQ Channel*/ + NVIC_InitStructure.NVIC_IRQChannel = USB_HP_CAN1_TX_IRQn; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; + + /* Enable the USB Wake-up interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = USBWakeUp_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1; + NVIC_Init(&NVIC_InitStructure); + +#endif /* STM32L1XX_MD */ + + /* Audio Components Interrupt configuration */ + Audio_Config(); +} +/******************************************************************************* +* Function Name : USB_Interrupts_Config +* Description : Configures the USB interrupts +* Input : None. +* Return : None. +*******************************************************************************/ +void Audio_Config(void) +{ + NVIC_InitTypeDef NVIC_InitStructure; + +#if defined(USE_STM32L152_EVAL) + /* Enable the TIM2 Interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = TIM6_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + +#elif defined(USE_STM3210B_EVAL) + /* Enable the TIM2 Interrupt */ + NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); + +#elif defined(USE_STM3210E_EVAL) + /* SPI2 IRQ Channel configuration */ + NVIC_InitStructure.NVIC_IRQChannel = SPI2_IRQn; + NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2; + NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; + NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; + NVIC_Init(&NVIC_InitStructure); +#endif /* USE_STM3210B_EVAL */ +} +/******************************************************************************* +* Function Name : USB_Cable_Config +* Description : Software Connection/Disconnection of USB Cable +* Input : None. +* Return : Status +*******************************************************************************/ +void USB_Cable_Config (FunctionalState NewState) +{ +#ifdef STM32L1XX_MD + if (NewState != DISABLE) + { + STM32L15_USB_CONNECT; + } + else + { + STM32L15_USB_DISCONNECT; + } + +#else + if (NewState != DISABLE) + { + GPIO_ResetBits(USB_DISCONNECT, USB_DISCONNECT_PIN); + } + else + { + GPIO_SetBits(USB_DISCONNECT, USB_DISCONNECT_PIN); + } +#endif /* STM32L1XX_MD */ +} + +/******************************************************************************* +* Function Name : Speaker_Timer_Config +* Description : Configure and enable the timer +* Input : None. +* Return : None. +*******************************************************************************/ +void Speaker_Config(void) +{ +#ifdef USE_STM32L152_EVAL + DAC_InitTypeDef DAC_InitStructure; + GPIO_InitTypeDef GPIO_InitStructure; + uint16_t TIM6ARRValue = 4000; + + /* TIM6 and DAC clocks enable */ + RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6 | RCC_APB1Periph_DAC, ENABLE); + + /* Enable GPIOA clock */ + RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); + + /* Configure DAC Channel1 and Channel2 as output */ + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_5; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz; + GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ; + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN; + GPIO_Init(GPIOA, &GPIO_InitStructure); + + /* TIM6 Configuration */ + TIM_DeInit(TIM6); + + TIM6ARRValue = (uint32_t)(SystemCoreClock/22000); /* Audio Sample Rate = 22KHz */ + + /* Set the timer auto reload value dependent on the audio frequency */ + TIM_SetAutoreload(TIM6, TIM6ARRValue); /* 22.KHz = 32MHz / 1454 */ + + /* TIM6 TRGO selection */ + TIM_SelectOutputTrigger(TIM6, TIM_TRGOSource_Update); + + /* Enable TIM6 update interrupt */ + TIM_ITConfig(TIM6, TIM_IT_Update, ENABLE); + + /* DAC deinitialize */ + DAC_DeInit(); + DAC_StructInit(&DAC_InitStructure); + + /* Fill DAC InitStructure */ + DAC_InitStructure.DAC_Trigger = DAC_Trigger_T6_TRGO; + DAC_InitStructure.DAC_WaveGeneration = DAC_WaveGeneration_None; + DAC_InitStructure.DAC_OutputBuffer = DAC_OutputBuffer_Disable; + +/* DAC Channel1: 8bit right---------------------------------------------------*/ + /* DAC Channel1 Init */ + DAC_Init(DAC_Channel_1, &DAC_InitStructure); + + /* Enable DAC Channel1 */ + DAC_Cmd(DAC_Channel_1, ENABLE); + + /* Start TIM6 */ + TIM_Cmd(TIM6, ENABLE); + +#elif defined(USE_STM3210B_EVAL) + GPIO_InitTypeDef GPIO_InitStructure; + TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; + TIM_OCInitTypeDef TIM_OCInitStructure; + + /* Configure PB.08 as alternate function (TIM4_OC3) */ + GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; + GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8; + GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; + GPIO_Init(GPIOB, &GPIO_InitStructure); + + /* TIM4 configuration */ + TIM_TimeBaseStructure.TIM_Prescaler = 0x00; /* TIM4CLK = 72 MHz */ + TIM_TimeBaseStructure.TIM_Period = 0xFF; /* PWM frequency : 281.250KHz*/ + TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; + TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; + TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); + /* TIM4's Channel3 in PWM1 mode */ + TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; + TIM_OCInitStructure.TIM_Pulse = 0x7F; /* Duty cycle: 50%*/ + TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; /* set high polarity */ + TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; + TIM_OC3Init(TIM4, &TIM_OCInitStructure); + TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); + + /* TIM2 configuration */ + TIM_TimeBaseStructure.TIM_Period = TIM2ARRValue; + TIM_TimeBaseStructure.TIM_Prescaler = 0x00; /* TIM2CLK = 72 MHz */ + TIM_TimeBaseStructure.TIM_ClockDivision = 0x0; + TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; + TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); + /* Output Compare Inactive Mode configuration: Channel1 */ + TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Timing; + TIM_OCInitStructure.TIM_Pulse = 0x0; + TIM_OC1Init(TIM2, &TIM_OCInitStructure); + TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Disable); + + /* Start TIM4 */ + TIM_Cmd(TIM4, ENABLE); + + /* Start TIM2 */ + TIM_Cmd(TIM2, ENABLE); + + /* Enable TIM2 update interrupt */ + TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE); + +#else + /* Configure the initialization parameters */ + I2S_GPIO_Config(); + I2S_Config(I2S_Standard_Phillips, I2S_MCLKOutput_Enable, I2S_AudioFreq_22k); + CODEC_Config(OutputDevice_SPEAKER, I2S_Standard_Phillips, I2S_MCLKOutput_Enable, 0x08); + SPI_I2S_ITConfig(SPI2, SPI_I2S_IT_TXE, ENABLE); + +#endif +} + +/******************************************************************************* +* Function Name : Get_SerialNum. +* Description : Create the serial number string descriptor. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +void Get_SerialNum(void) +{ + uint32_t Device_Serial0, Device_Serial1, Device_Serial2; + + Device_Serial0 = *(uint32_t*)ID1; + Device_Serial1 = *(uint32_t*)ID2; + Device_Serial2 = *(uint32_t*)ID3; + + Device_Serial0 += Device_Serial2; + + if (Device_Serial0 != 0) + { + IntToUnicode (Device_Serial0, &Speaker_StringSerial[2] , 8); + IntToUnicode (Device_Serial1, &Speaker_StringSerial[18], 4); + } +} + +/******************************************************************************* +* Function Name : HexToChar. +* Description : Convert Hex 32Bits value into char. +* Input : None. +* Output : None. +* Return : None. +*******************************************************************************/ +static void IntToUnicode (uint32_t value , uint8_t *pbuf , uint8_t len) +{ + uint8_t idx = 0; + + for( idx = 0 ; idx < len ; idx ++) + { + if( ((value >> 28)) < 0xA ) + { + pbuf[ 2* idx] = (value >> 28) + '0'; + } + else + { + pbuf[2* idx] = (value >> 28) + 'A' - 10; + } + + value = value << 4; + + pbuf[ 2* idx + 1] = 0; + } +} + +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |