From 7440843d3a1e108fdf78b8cfff073aa60a2a41f7 Mon Sep 17 00:00:00 2001
From: guanjiao ren <guanjiao.ren@ninebot.com>
Date: 星期五, 18 五月 2018 15:22:35 +0800
Subject: [PATCH] spi与dw_driver重写
---
源码/核心板/Src/platform/port.c | 1062 +++++++++++++++++++++++++++++-----------------------------
1 files changed, 532 insertions(+), 530 deletions(-)
diff --git "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/platform/port.c" "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/platform/port.c"
index 87806f8..c9b87fc 100644
--- "a/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/platform/port.c"
+++ "b/\346\272\220\347\240\201/\346\240\270\345\277\203\346\235\277/Src/platform/port.c"
@@ -36,124 +36,124 @@
int No_Configuration(void)
{
- return -1;
+ return -1;
}
unsigned long portGetTickCnt(void)
{
- return time32_incr;
+ return time32_incr;
}
int SysTick_Configuration(void)
{
- if (SysTick_Config(SystemCoreClock / CLOCKS_PER_SEC))
- {
- /* Capture error */
- while (1);
- }
- NVIC_SetPriority (SysTick_IRQn, 5);
+ if (SysTick_Config(SystemCoreClock / CLOCKS_PER_SEC))
+ {
+ /* Capture error */
+ while (1);
+ }
+ NVIC_SetPriority (SysTick_IRQn, 5);
- return 0;
+ return 0;
}
void RTC_Configuration(void)
{
- /* Enable PWR and BKP clocks */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
+ /* Enable PWR and BKP clocks */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
- /* Allow access to BKP Domain */
- PWR_BackupAccessCmd(ENABLE);
+ /* Allow access to BKP Domain */
+ PWR_BackupAccessCmd(ENABLE);
- /* Reset Backup Domain */
- BKP_DeInit();
+ /* Reset Backup Domain */
+ BKP_DeInit();
- /* Enable LSE */
- RCC_LSEConfig(RCC_LSE_ON);
- /* Wait till LSE is ready */
- while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET){}
+ /* Enable LSE */
+ RCC_LSEConfig(RCC_LSE_ON);
+ /* Wait till LSE is ready */
+ while (RCC_GetFlagStatus(RCC_FLAG_LSERDY) == RESET) {}
- /* Select LSE as RTC Clock Source */
- RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
+ /* Select LSE as RTC Clock Source */
+ RCC_RTCCLKConfig(RCC_RTCCLKSource_LSE);
- /* Enable RTC Clock */
- RCC_RTCCLKCmd(ENABLE);
+ /* Enable RTC Clock */
+ RCC_RTCCLKCmd(ENABLE);
- /* Wait for RTC registers synchronization */
- RTC_WaitForSynchro();
+ /* Wait for RTC registers synchronization */
+ RTC_WaitForSynchro();
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
+ /* Wait until last write operation on RTC registers has finished */
+ RTC_WaitForLastTask();
- /* Enable the RTC Second */
- RTC_ITConfig(RTC_IT_SEC, ENABLE);
+ /* Enable the RTC Second */
+ RTC_ITConfig(RTC_IT_SEC, ENABLE);
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
+ /* Wait until last write operation on RTC registers has finished */
+ RTC_WaitForLastTask();
- /* Set RTC prescaler: set RTC period to 1sec */
- RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
+ /* Set RTC prescaler: set RTC period to 1sec */
+ RTC_SetPrescaler(32767); /* RTC period = RTCCLK/RTC_PR = (32.768 KHz)/(32767+1) */
- /* Wait until last write operation on RTC registers has finished */
- RTC_WaitForLastTask();
+ /* Wait until last write operation on RTC registers has finished */
+ RTC_WaitForLastTask();
}
int NVIC_DisableDECAIRQ(void)
{
- EXTI_InitTypeDef EXTI_InitStructure;
+ EXTI_InitTypeDef EXTI_InitStructure;
- /* Configure EXTI line */
- EXTI_InitStructure.EXTI_Line = DECAIRQ_EXTI;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MPW3 IRQ polarity is high by default
- EXTI_InitStructure.EXTI_LineCmd = DECAIRQ_EXTI_NOIRQ;
- EXTI_Init(&EXTI_InitStructure);
+ /* Configure EXTI line */
+ EXTI_InitStructure.EXTI_Line = DECAIRQ_EXTI;
+ EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MPW3 IRQ polarity is high by default
+ EXTI_InitStructure.EXTI_LineCmd = DECAIRQ_EXTI_NOIRQ;
+ EXTI_Init(&EXTI_InitStructure);
- return 0;
+ return 0;
}
int NVIC_Configuration(void)
{
- GPIO_InitTypeDef GPIO_InitStructure;
- EXTI_InitTypeDef EXTI_InitStructure;
- NVIC_InitTypeDef NVIC_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
+ EXTI_InitTypeDef EXTI_InitStructure;
+ NVIC_InitTypeDef NVIC_InitStructure;
- // Enable GPIO used as DECA IRQ for interrupt
- GPIO_InitStructure.GPIO_Pin = DECAIRQ;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; //IRQ pin should be Pull Down to prevent unnecessary EXT IRQ while DW1000 goes to sleep mode
- GPIO_Init(DECAIRQ_GPIO, &GPIO_InitStructure);
+ // Enable GPIO used as DECA IRQ for interrupt
+ GPIO_InitStructure.GPIO_Pin = DECAIRQ;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; //IRQ pin should be Pull Down to prevent unnecessary EXT IRQ while DW1000 goes to sleep mode
+ GPIO_Init(DECAIRQ_GPIO, &GPIO_InitStructure);
- /* Connect EXTI Line to GPIO Pin */
- GPIO_EXTILineConfig(DECAIRQ_EXTI_PORT, DECAIRQ_EXTI_PIN);
+ /* Connect EXTI Line to GPIO Pin */
+ GPIO_EXTILineConfig(DECAIRQ_EXTI_PORT, DECAIRQ_EXTI_PIN);
- /* Configure EXTI line */
- EXTI_InitStructure.EXTI_Line = DECAIRQ_EXTI;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MPW3 IRQ polarity is high by default
- EXTI_InitStructure.EXTI_LineCmd = DECAIRQ_EXTI_USEIRQ;
- EXTI_Init(&EXTI_InitStructure);
+ /* Configure EXTI line */
+ EXTI_InitStructure.EXTI_Line = DECAIRQ_EXTI;
+ EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MPW3 IRQ polarity is high by default
+ EXTI_InitStructure.EXTI_LineCmd = DECAIRQ_EXTI_USEIRQ;
+ EXTI_Init(&EXTI_InitStructure);
- /* Set NVIC Grouping to 16 groups of interrupt without sub-grouping */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
+ /* Set NVIC Grouping to 16 groups of interrupt without sub-grouping */
+ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
- /* Enable and set EXTI Interrupt to the lowest priority */
- NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = DECAIRQ_EXTI_USEIRQ;
+ /* Enable and set EXTI Interrupt to the lowest priority */
+ NVIC_InitStructure.NVIC_IRQChannel = DECAIRQ_EXTI_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = DECAIRQ_EXTI_USEIRQ;
- NVIC_Init(&NVIC_InitStructure);
+ NVIC_Init(&NVIC_InitStructure);
- /* Enable the RTC Interrupt */
- //NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQn;
- //NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 10;
- //NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- //NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ /* Enable the RTC Interrupt */
+ //NVIC_InitStructure.NVIC_IRQChannel = RTC_IRQn;
+ //NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 10;
+ //NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+ //NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- //NVIC_Init(&NVIC_InitStructure);
+ //NVIC_Init(&NVIC_InitStructure);
- return 0;
+ return 0;
}
/**
@@ -165,137 +165,137 @@
*/
ITStatus EXTI_GetITEnStatus(uint32_t EXTI_Line)
{
- ITStatus bitstatus = RESET;
- uint32_t enablestatus = 0;
- /* Check the parameters */
- assert_param(IS_GET_EXTI_LINE(EXTI_Line));
+ ITStatus bitstatus = RESET;
+ uint32_t enablestatus = 0;
+ /* Check the parameters */
+ assert_param(IS_GET_EXTI_LINE(EXTI_Line));
- enablestatus = EXTI->IMR & EXTI_Line;
- if (enablestatus != (uint32_t)RESET)
- {
- bitstatus = SET;
- }
- else
- {
- bitstatus = RESET;
- }
- return bitstatus;
+ enablestatus = EXTI->IMR & EXTI_Line;
+ if (enablestatus != (uint32_t)RESET)
+ {
+ bitstatus = SET;
+ }
+ else
+ {
+ bitstatus = RESET;
+ }
+ return bitstatus;
}
int RCC_Configuration(void)
{
- ErrorStatus HSEStartUpStatus;
- RCC_ClocksTypeDef RCC_ClockFreq;
+ ErrorStatus HSEStartUpStatus;
+ RCC_ClocksTypeDef RCC_ClockFreq;
- /* Set HSION bit */
- RCC->CR |= (uint32_t)0x00000001;
-
- // select HSI as PLL source
- RCC->CFGR |= (uint32_t)RCC_CFGR_PLLSRC_HSI_Div2;
-
- //PLLCLK=8/2*12=48M
- RCC->CFGR |= (uint32_t)RCC_CFGR_PLLMULL9;
-
- /* HCLK = SYSCLK/1 */
- RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1;
-
- /* Enable PLL */
- RCC->CR |= RCC_CR_PLLON;
-
- /* Wait till PLL is ready */
- while((RCC->CR & RCC_CR_PLLRDY) == 0)
- {
- }
- /* Select PLL as system clock source */
- RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
- RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL;
-
- /* Wait till PLL is used as system clock source */
- while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08)
- {
- }
- SystemCoreClockUpdate();
- RCC_GetClocksFreq(&RCC_ClockFreq);
+ /* Set HSION bit */
+ RCC->CR |= (uint32_t)0x00000001;
- /* Enable SPI1 clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
+ // select HSI as PLL source
+ RCC->CFGR |= (uint32_t)RCC_CFGR_PLLSRC_HSI_Div2;
- /* Enable SPI2 clock */
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
+ //PLLCLK=8/2*12=48M
+ RCC->CFGR |= (uint32_t)RCC_CFGR_PLLMULL9;
- /* Enable GPIOs clocks */
- RCC_APB2PeriphClockCmd(
- RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
- RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO,
- ENABLE);
+ /* HCLK = SYSCLK/1 */
+ RCC->CFGR |= (uint32_t)RCC_CFGR_HPRE_DIV1;
- return 0;
+ /* Enable PLL */
+ RCC->CR |= RCC_CR_PLLON;
+
+ /* Wait till PLL is ready */
+ while((RCC->CR & RCC_CR_PLLRDY) == 0)
+ {
+ }
+ /* Select PLL as system clock source */
+ RCC->CFGR &= (uint32_t)((uint32_t)~(RCC_CFGR_SW));
+ RCC->CFGR |= (uint32_t)RCC_CFGR_SW_PLL;
+
+ /* Wait till PLL is used as system clock source */
+ while ((RCC->CFGR & (uint32_t)RCC_CFGR_SWS) != (uint32_t)0x08)
+ {
+ }
+ SystemCoreClockUpdate();
+ RCC_GetClocksFreq(&RCC_ClockFreq);
+
+ /* Enable SPI1 clock */
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
+
+ /* Enable SPI2 clock */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
+
+ /* Enable GPIOs clocks */
+ RCC_APB2PeriphClockCmd(
+ RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
+ RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
+ RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO,
+ ENABLE);
+
+ return 0;
}
void usartinit(void)
{
- USART_InitTypeDef USART_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
+ USART_InitTypeDef USART_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
- /* USARTx configured as follow:
- - BaudRate = 115200 baud
- - Word Length = 8 Bits
- - One Stop Bit
- - No parity
- - Hardware flow control disabled (RTS and CTS signals)
- - Receive and transmit enabled
- */
- USART_InitStructure.USART_BaudRate = 115200 ;
- USART_InitStructure.USART_WordLength = USART_WordLength_8b;
- USART_InitStructure.USART_StopBits = USART_StopBits_1;
- USART_InitStructure.USART_Parity = USART_Parity_No;
- USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
- USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
+ /* USARTx configured as follow:
+ - BaudRate = 115200 baud
+ - Word Length = 8 Bits
+ - One Stop Bit
+ - No parity
+ - Hardware flow control disabled (RTS and CTS signals)
+ - Receive and transmit enabled
+ */
+ USART_InitStructure.USART_BaudRate = 115200 ;
+ USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+ USART_InitStructure.USART_StopBits = USART_StopBits_1;
+ USART_InitStructure.USART_Parity = USART_Parity_No;
+ USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+ USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
- /* Enable GPIO clock */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE);
+ /* Enable GPIO clock */
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE);
- //For EVB1000 -> USART2_REMAP = 0
+ //For EVB1000 -> USART2_REMAP = 0
- /* Enable the USART2 Pins Software Remapping */
+ /* Enable the USART2 Pins Software Remapping */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
- /* Configure USART Tx as alternate function push-pull */
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
+ /* Configure USART Tx as alternate function push-pull */
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
- /* Configure USART Rx as input floating */
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
+ /* Configure USART Rx as input floating */
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
- /* USART configuration */
- USART_Init(USART1, &USART_InitStructure);
+ /* USART configuration */
+ USART_Init(USART1, &USART_InitStructure);
- /* Enable USART */
- USART_Cmd(USART1, ENABLE);
+ /* Enable USART */
+ USART_Cmd(USART1, ENABLE);
}
void SPI_ChangeRate(uint16_t scalingfactor)
{
- uint16_t tmpreg = 0;
+ uint16_t tmpreg = 0;
- /* Get the SPIx CR1 value */
- tmpreg = SPIx->CR1;
+ /* Get the SPIx CR1 value */
+ tmpreg = SPIx->CR1;
- /*clear the scaling bits*/
- tmpreg &= 0xFFC7;
+ /*clear the scaling bits*/
+ tmpreg &= 0xFFC7;
- /*set the scaling bits*/
- tmpreg |= scalingfactor;
+ /*set the scaling bits*/
+ tmpreg |= scalingfactor;
- /* Write to SPIx CR1 */
- SPIx->CR1 = tmpreg;
+ /* Write to SPIx CR1 */
+ SPIx->CR1 = tmpreg;
}
/*! ------------------------------------------------------------------------------------------------------------------
@@ -328,83 +328,83 @@
void SPI_ConfigFastRate(uint16_t scalingfactor)
{
- SPI_InitTypeDef SPI_InitStructure;
+ SPI_InitTypeDef SPI_InitStructure;
- SPI_I2S_DeInit(SPIx);
+ SPI_I2S_DeInit(SPIx);
- // SPIx Mode setup
- 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_Low; //
- //SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //
- SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
- //SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; //
- //SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
- SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
- SPI_InitStructure.SPI_BaudRatePrescaler = scalingfactor; //sets BR[2:0] bits - baudrate in SPI_CR1 reg bits 4-6
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
- SPI_InitStructure.SPI_CRCPolynomial = 7;
+ // SPIx Mode setup
+ 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_Low; //
+ //SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //
+ SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
+ //SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; //
+ //SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
+ SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
+ SPI_InitStructure.SPI_BaudRatePrescaler = scalingfactor; //sets BR[2:0] bits - baudrate in SPI_CR1 reg bits 4-6
+ SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+ SPI_InitStructure.SPI_CRCPolynomial = 7;
- SPI_Init(SPIx, &SPI_InitStructure);
+ SPI_Init(SPIx, &SPI_InitStructure);
- // Enable SPIx
- SPI_Cmd(SPIx, ENABLE);
+ // Enable SPIx
+ SPI_Cmd(SPIx, ENABLE);
}
int SPI_Configuration(void)
{
- SPI_InitTypeDef SPI_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
+ SPI_InitTypeDef SPI_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
- SPI_I2S_DeInit(SPIx);
+ SPI_I2S_DeInit(SPIx);
- // SPIx Mode setup
- 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_Low; //
- //SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //
- SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
- //SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; //
- //SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
- SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
- //SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4; //sets BR[2:0] bits - baudrate in SPI_CR1 reg bits 4-6
- SPI_InitStructure.SPI_BaudRatePrescaler = SPIx_PRESCALER;
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
- SPI_InitStructure.SPI_CRCPolynomial = 7;
+ // SPIx Mode setup
+ 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_Low; //
+ //SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //
+ SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
+ //SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; //
+ //SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
+ SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
+ //SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_4; //sets BR[2:0] bits - baudrate in SPI_CR1 reg bits 4-6
+ SPI_InitStructure.SPI_BaudRatePrescaler = SPIx_PRESCALER;
+ SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+ SPI_InitStructure.SPI_CRCPolynomial = 7;
- SPI_Init(SPIx, &SPI_InitStructure);
+ SPI_Init(SPIx, &SPI_InitStructure);
- // SPIx SCK and MOSI pin setup
- GPIO_InitStructure.GPIO_Pin = SPIx_SCK | SPIx_MOSI;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ // SPIx SCK and MOSI pin setup
+ GPIO_InitStructure.GPIO_Pin = SPIx_SCK | SPIx_MOSI;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(SPIx_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIx_GPIO, &GPIO_InitStructure);
- // SPIx MISO pin setup
- GPIO_InitStructure.GPIO_Pin = SPIx_MISO;
- //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+ // SPIx MISO pin setup
+ GPIO_InitStructure.GPIO_Pin = SPIx_MISO;
+ //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
- GPIO_Init(SPIx_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIx_GPIO, &GPIO_InitStructure);
- // SPIx CS pin setup
- GPIO_InitStructure.GPIO_Pin = SPIx_CS;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ // SPIx CS pin setup
+ GPIO_InitStructure.GPIO_Pin = SPIx_CS;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(SPIx_CS_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIx_CS_GPIO, &GPIO_InitStructure);
- // Disable SPIx SS Output
- SPI_SSOutputCmd(SPIx, DISABLE);
+ // Disable SPIx SS Output
+ SPI_SSOutputCmd(SPIx, DISABLE);
- // Enable SPIx
- SPI_Cmd(SPIx, ENABLE);
+ // Enable SPIx
+ SPI_Cmd(SPIx, ENABLE);
- // Set CS high
- GPIO_SetBits(SPIx_CS_GPIO, SPIx_CS);
+ // Set CS high
+ GPIO_SetBits(SPIx_CS_GPIO, SPIx_CS);
return 0;
}
@@ -412,71 +412,71 @@
int SPI2_Configuration(void)
{
- SPI_InitTypeDef SPI_InitStructure;
- GPIO_InitTypeDef GPIO_InitStructure;
+ SPI_InitTypeDef SPI_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
- SPI_I2S_DeInit(SPIy);
+ SPI_I2S_DeInit(SPIy);
- // SPIy Mode setup
- //SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
- 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_Low; //
- SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //
- //SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
- SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; //
- //SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
- SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
- SPI_InitStructure.SPI_BaudRatePrescaler = SPIy_PRESCALER;
- SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
- SPI_InitStructure.SPI_CRCPolynomial = 7;
+ // SPIy Mode setup
+ //SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
+ 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_Low; //
+ SPI_InitStructure.SPI_CPOL = SPI_CPOL_High; //
+ //SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
+ SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge; //
+ //SPI_InitStructure.SPI_NSS = SPI_NSS_Hard;
+ SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
+ SPI_InitStructure.SPI_BaudRatePrescaler = SPIy_PRESCALER;
+ SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
+ SPI_InitStructure.SPI_CRCPolynomial = 7;
- SPI_Init(SPIy, &SPI_InitStructure);
+ SPI_Init(SPIy, &SPI_InitStructure);
- // SPIy SCK and MOSI pin setup
- GPIO_InitStructure.GPIO_Pin = SPIy_SCK | SPIy_MOSI;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ // SPIy SCK and MOSI pin setup
+ GPIO_InitStructure.GPIO_Pin = SPIy_SCK | SPIy_MOSI;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
- // SPIy MISO pin setup
- GPIO_InitStructure.GPIO_Pin = SPIy_MISO;
- //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+ // SPIy MISO pin setup
+ GPIO_InitStructure.GPIO_Pin = SPIy_MISO;
+ //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
- GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
- // SPIy CS pin setup
- GPIO_InitStructure.GPIO_Pin = SPIy_CS;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ // SPIy CS pin setup
+ GPIO_InitStructure.GPIO_Pin = SPIy_CS;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(SPIy_CS_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIy_CS_GPIO, &GPIO_InitStructure);
- // Disable SPIy SS Output
- SPI_SSOutputCmd(SPIy, DISABLE);
+ // Disable SPIy SS Output
+ SPI_SSOutputCmd(SPIy, DISABLE);
- // Enable SPIy
- SPI_Cmd(SPIy, ENABLE);
+ // Enable SPIy
+ SPI_Cmd(SPIy, ENABLE);
- // Set CS high
- GPIO_SetBits(SPIy_CS_GPIO, SPIy_CS);
+ // Set CS high
+ GPIO_SetBits(SPIy_CS_GPIO, SPIy_CS);
- // LCD_RS pin setup
- GPIO_InitStructure.GPIO_Pin = LCD_RS;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ // LCD_RS pin setup
+ GPIO_InitStructure.GPIO_Pin = LCD_RS;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
- // LCD_RW pin setup
- GPIO_InitStructure.GPIO_Pin = LCD_RW;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ // LCD_RW pin setup
+ GPIO_InitStructure.GPIO_Pin = LCD_RW;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
+ GPIO_Init(SPIy_GPIO, &GPIO_InitStructure);
return 0;
}
@@ -490,90 +490,92 @@
#define SW7 GPIO_Pin_7
#define SW8 GPIO_Pin_8
uint8_t Work_Mode;
-extern uint8_t TAG_ID,ANCHOR_ID;
+extern uint8_t TAG_ID, ANCHOR_ID;
int GPIO_Configuration(void)
{
- GPIO_InitTypeDef GPIO_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
- /* Configure all unused GPIO port pins in Analog Input mode (floating input
- * trigger OFF), this will reduce the power consumption and increase the device
- * immunity against EMI/EMC */
+ /* Configure all unused GPIO port pins in Analog Input mode (floating input
+ * trigger OFF), this will reduce the power consumption and increase the device
+ * immunity against EMI/EMC */
- // Enable GPIOs clocks
- RCC_APB2PeriphClockCmd(
- RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO,
- ENABLE);
+ // Enable GPIOs clocks
+ RCC_APB2PeriphClockCmd(
+ RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
+ RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO,
+ ENABLE);
- // Set all GPIO pins as analog inputs
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
- GPIO_Init(GPIOB, &GPIO_InitStructure);
- GPIO_Init(GPIOC, &GPIO_InitStructure);
+ // Set all GPIO pins as analog inputs
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_Init(GPIOB, &GPIO_InitStructure);
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
-GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
- //Enable GPIO used for User button
- GPIO_InitStructure.GPIO_Pin = TA_BOOT1;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(TA_BOOT1_GPIO, &GPIO_InitStructure);
+ GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
+ //Enable GPIO used for User button
+ GPIO_InitStructure.GPIO_Pin = TA_BOOT1;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(TA_BOOT1_GPIO, &GPIO_InitStructure);
- //Enable GPIO used for Response Delay setting
-
- GPIO_InitStructure.GPIO_Pin = SW1|SW2;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
-
- GPIO_InitStructure.GPIO_Pin = SW3 | SW4 | SW5 | SW6 | SW7 | SW8;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
-
- GPIO_InitStructure.GPIO_Pin = LED_PIN;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
+ //Enable GPIO used for Response Delay setting
-if (GPIO_ReadInputDataBit(GPIOA,SW1) == RESET)
-{
- Work_Mode = 0;//TX
- GPIO_Toggle(GPIOA,LED_PIN);
-}else{
- Work_Mode = 1; //RX
-}
- TAG_ID = 0;
-if(GPIO_ReadInputDataBit(GPIOB,SW6) == RESET)
-{
- TAG_ID |= 1<<2;
-}
-if(GPIO_ReadInputDataBit(GPIOB,SW7) == RESET)
-{
- TAG_ID |= 1<<1;
-}
-if(GPIO_ReadInputDataBit(GPIOB,SW8) == RESET)
-{
- TAG_ID |= 1;
-}
+ GPIO_InitStructure.GPIO_Pin = SW1 | SW2;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
-if(GPIO_ReadInputDataBit(GPIOB,SW3) == RESET)
-{
- ANCHOR_ID |= 1<<2;
-}
-if(GPIO_ReadInputDataBit(GPIOB,SW4) == RESET)
-{
- ANCHOR_ID |= 1<<1;
-}
-if(GPIO_ReadInputDataBit(GPIOB,SW5) == RESET)
-{
- ANCHOR_ID |= 1;
-}
+ GPIO_InitStructure.GPIO_Pin = SW3 | SW4 | SW5 | SW6 | SW7 | SW8;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
+ GPIO_Init(GPIOB, &GPIO_InitStructure);
- // Disable GPIOs clocks
- //RCC_APB2PeriphClockCmd(
- // RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
- // RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
- // RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO,
- // DISABLE);
+ GPIO_InitStructure.GPIO_Pin = LED_PIN;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
- // Enable GPIO used for LEDs
+ if (GPIO_ReadInputDataBit(GPIOA, SW1) == RESET)
+ {
+ Work_Mode = 0;//TX
+ GPIO_Toggle(GPIOA, LED_PIN);
+ }
+ else
+ {
+ Work_Mode = 1; //RX
+ }
+ TAG_ID = 0;
+ if(GPIO_ReadInputDataBit(GPIOB, SW6) == RESET)
+ {
+ TAG_ID |= 1 << 2;
+ }
+ if(GPIO_ReadInputDataBit(GPIOB, SW7) == RESET)
+ {
+ TAG_ID |= 1 << 1;
+ }
+ if(GPIO_ReadInputDataBit(GPIOB, SW8) == RESET)
+ {
+ TAG_ID |= 1;
+ }
+
+ if(GPIO_ReadInputDataBit(GPIOB, SW3) == RESET)
+ {
+ ANCHOR_ID |= 1 << 2;
+ }
+ if(GPIO_ReadInputDataBit(GPIOB, SW4) == RESET)
+ {
+ ANCHOR_ID |= 1 << 1;
+ }
+ if(GPIO_ReadInputDataBit(GPIOB, SW5) == RESET)
+ {
+ ANCHOR_ID |= 1;
+ }
+
+ // Disable GPIOs clocks
+ //RCC_APB2PeriphClockCmd(
+ // RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB |
+ // RCC_APB2Periph_GPIOC | RCC_APB2Periph_GPIOD |
+ // RCC_APB2Periph_GPIOE | RCC_APB2Periph_AFIO,
+ // DISABLE);
+
+ // Enable GPIO used for LEDs
return 0;
@@ -582,22 +584,22 @@
void reset_DW1000(void)
{
- GPIO_InitTypeDef GPIO_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
- // Enable GPIO used for DW1000 reset
- GPIO_InitStructure.GPIO_Pin = DW1000_RSTn;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(DW1000_RSTn_GPIO, &GPIO_InitStructure);
+ // Enable GPIO used for DW1000 reset
+ GPIO_InitStructure.GPIO_Pin = DW1000_RSTn;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(DW1000_RSTn_GPIO, &GPIO_InitStructure);
- //drive the RSTn pin low
- GPIO_ResetBits(DW1000_RSTn_GPIO, DW1000_RSTn);
+ //drive the RSTn pin low
+ GPIO_ResetBits(DW1000_RSTn_GPIO, DW1000_RSTn);
- //put the pin back to tri-state ... as input
- GPIO_InitStructure.GPIO_Pin = DW1000_RSTn;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(DW1000_RSTn_GPIO, &GPIO_InitStructure);
+ //put the pin back to tri-state ... as input
+ GPIO_InitStructure.GPIO_Pin = DW1000_RSTn;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(DW1000_RSTn_GPIO, &GPIO_InitStructure);
deca_sleep(2);
}
@@ -605,214 +607,214 @@
void setup_DW1000RSTnIRQ(int enable)
{
- GPIO_InitTypeDef GPIO_InitStructure;
- EXTI_InitTypeDef EXTI_InitStructure;
- NVIC_InitTypeDef NVIC_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
+ EXTI_InitTypeDef EXTI_InitStructure;
+ NVIC_InitTypeDef NVIC_InitStructure;
- if(enable)
- {
- // Enable GPIO used as DECA IRQ for interrupt
- GPIO_InitStructure.GPIO_Pin = DECARSTIRQ;
- //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; //IRQ pin should be Pull Down to prevent unnecessary EXT IRQ while DW1000 goes to sleep mode
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(DECARSTIRQ_GPIO, &GPIO_InitStructure);
+ if(enable)
+ {
+ // Enable GPIO used as DECA IRQ for interrupt
+ GPIO_InitStructure.GPIO_Pin = DECARSTIRQ;
+ //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPD; //IRQ pin should be Pull Down to prevent unnecessary EXT IRQ while DW1000 goes to sleep mode
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(DECARSTIRQ_GPIO, &GPIO_InitStructure);
- /* Connect EXTI Line to GPIO Pin */
- GPIO_EXTILineConfig(DECARSTIRQ_EXTI_PORT, DECARSTIRQ_EXTI_PIN);
+ /* Connect EXTI Line to GPIO Pin */
+ GPIO_EXTILineConfig(DECARSTIRQ_EXTI_PORT, DECARSTIRQ_EXTI_PIN);
- /* Configure EXTI line */
- EXTI_InitStructure.EXTI_Line = DECARSTIRQ_EXTI;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MP IRQ polarity is high by default
- EXTI_InitStructure.EXTI_LineCmd = ENABLE;
- EXTI_Init(&EXTI_InitStructure);
+ /* Configure EXTI line */
+ EXTI_InitStructure.EXTI_Line = DECARSTIRQ_EXTI;
+ EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MP IRQ polarity is high by default
+ EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+ EXTI_Init(&EXTI_InitStructure);
- /* Set NVIC Grouping to 16 groups of interrupt without sub-grouping */
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
+ /* Set NVIC Grouping to 16 groups of interrupt without sub-grouping */
+ NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
- /* Enable and set EXTI Interrupt to the lowest priority */
- NVIC_InitStructure.NVIC_IRQChannel = DECARSTIRQ_EXTI_IRQn;
- NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
- NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
- NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+ /* Enable and set EXTI Interrupt to the lowest priority */
+ NVIC_InitStructure.NVIC_IRQChannel = DECARSTIRQ_EXTI_IRQn;
+ NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 15;
+ NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+ NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
- NVIC_Init(&NVIC_InitStructure);
- }
- else
- {
- //put the pin back to tri-state ... as input
- GPIO_InitStructure.GPIO_Pin = DW1000_RSTn;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_Init(DW1000_RSTn_GPIO, &GPIO_InitStructure);
+ NVIC_Init(&NVIC_InitStructure);
+ }
+ else
+ {
+ //put the pin back to tri-state ... as input
+ GPIO_InitStructure.GPIO_Pin = DW1000_RSTn;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(DW1000_RSTn_GPIO, &GPIO_InitStructure);
- /* Configure EXTI line */
- EXTI_InitStructure.EXTI_Line = DECARSTIRQ_EXTI;
- EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
- EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MP IRQ polarity is high by default
- EXTI_InitStructure.EXTI_LineCmd = DISABLE;
- EXTI_Init(&EXTI_InitStructure);
- }
+ /* Configure EXTI line */
+ EXTI_InitStructure.EXTI_Line = DECARSTIRQ_EXTI;
+ EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+ EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //MP IRQ polarity is high by default
+ EXTI_InitStructure.EXTI_LineCmd = DISABLE;
+ EXTI_Init(&EXTI_InitStructure);
+ }
}
int ETH_GPIOConfigure(void)
{
#if 0
- GPIO_InitTypeDef GPIO_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
- /* ETHERNET pins configuration */
- /* AF Output Push Pull:
- - ETH_MII_MDIO / ETH_RMII_MDIO: PA2
- - ETH_MII_MDC / ETH_RMII_MDC: PC1
- - ETH_MII_TXD2: PC2
- - ETH_MII_TX_EN / ETH_RMII_TX_EN: PB11
- - ETH_MII_TXD0 / ETH_RMII_TXD0: PB12
- - ETH_MII_TXD1 / ETH_RMII_TXD1: PB13
- - ETH_MII_PPS_OUT / ETH_RMII_PPS_OUT: PB5
- - ETH_MII_TXD3: PB8 */
+ /* ETHERNET pins configuration */
+ /* AF Output Push Pull:
+ - ETH_MII_MDIO / ETH_RMII_MDIO: PA2
+ - ETH_MII_MDC / ETH_RMII_MDC: PC1
+ - ETH_MII_TXD2: PC2
+ - ETH_MII_TX_EN / ETH_RMII_TX_EN: PB11
+ - ETH_MII_TXD0 / ETH_RMII_TXD0: PB12
+ - ETH_MII_TXD1 / ETH_RMII_TXD1: PB13
+ - ETH_MII_PPS_OUT / ETH_RMII_PPS_OUT: PB5
+ - ETH_MII_TXD3: PB8 */
- /* Configure PA2 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
+ /* Configure PA2 as alternate function push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
- /* Configure PC1 and PC2 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
+ /* Configure PC1 and PC2 as alternate function push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1 | GPIO_Pin_2;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
- /* Configure PB5, PB8, PB11, PB12 and PB13 as alternate function push-pull */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_11 |
- GPIO_Pin_12 | GPIO_Pin_13;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
+ /* Configure PB5, PB8, PB11, PB12 and PB13 as alternate function push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_11 |
+ GPIO_Pin_12 | GPIO_Pin_13;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ GPIO_Init(GPIOB, &GPIO_InitStructure);
- /**************************************************************/
- /* For Remapped Ethernet pins */
- /*************************************************************/
- /* Input (Reset Value):
- - ETH_MII_CRS CRS: PA0
- - ETH_MII_RX_CLK / ETH_RMII_REF_CLK: PA1
- - ETH_MII_COL: PA3
- - ETH_MII_RX_DV / ETH_RMII_CRS_DV: PD8
- - ETH_MII_TX_CLK: PC3
- - ETH_MII_RXD0 / ETH_RMII_RXD0: PD9
- - ETH_MII_RXD1 / ETH_RMII_RXD1: PD10
- - ETH_MII_RXD2: PD11
- - ETH_MII_RXD3: PD12
- - ETH_MII_RX_ER: PB10 */
+ /**************************************************************/
+ /* For Remapped Ethernet pins */
+ /*************************************************************/
+ /* Input (Reset Value):
+ - ETH_MII_CRS CRS: PA0
+ - ETH_MII_RX_CLK / ETH_RMII_REF_CLK: PA1
+ - ETH_MII_COL: PA3
+ - ETH_MII_RX_DV / ETH_RMII_CRS_DV: PD8
+ - ETH_MII_TX_CLK: PC3
+ - ETH_MII_RXD0 / ETH_RMII_RXD0: PD9
+ - ETH_MII_RXD1 / ETH_RMII_RXD1: PD10
+ - ETH_MII_RXD2: PD11
+ - ETH_MII_RXD3: PD12
+ - ETH_MII_RX_ER: PB10 */
- /* Configure PA0, PA1 and PA3 as input */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_3;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOA, &GPIO_InitStructure);
+ /* Configure PA0, PA1 and PA3 as input */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_3;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
- /* Configure PB10 as input */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOB, &GPIO_InitStructure);
+ /* Configure PB10 as input */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(GPIOB, &GPIO_InitStructure);
- /* Configure PC3 as input */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOC, &GPIO_InitStructure);
+ /* Configure PC3 as input */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
- /* Configure PD8, PD9, PD10, PD11 and PD12 as input */
- GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
- GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
- GPIO_Init(GPIOD, &GPIO_InitStructure); /**/
+ /* Configure PD8, PD9, PD10, PD11 and PD12 as input */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+ GPIO_Init(GPIOD, &GPIO_InitStructure); /**/
- /* MCO pin configuration------------------------------------------------- */
- /* Configure MCO (PA8) as alternate function push-pull */
- //GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
- //GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
- //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
- //GPIO_Init(GPIOA, &GPIO_InitStructure);
+ /* MCO pin configuration------------------------------------------------- */
+ /* Configure MCO (PA8) as alternate function push-pull */
+ //GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
+ //GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ //GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+ //GPIO_Init(GPIOA, &GPIO_InitStructure);
#endif
- return 0;
+ return 0;
}
int is_button_low(uint16_t GPIOpin)
{
- int result = 1;
+ int result = 1;
- if (GPIO_ReadInputDataBit(TA_BOOT1_GPIO, TA_BOOT1))
- result = 0;
+ if (GPIO_ReadInputDataBit(TA_BOOT1_GPIO, TA_BOOT1))
+ result = 0;
- return result;
+ return result;
}
//when switch (S1) is 'on' the pin is low
int is_switch_on(uint16_t GPIOpin)
{
- int result = 1;
+ int result = 1;
- if (GPIO_ReadInputDataBit(TA_SW1_GPIO, GPIOpin))
- result = 0;
+ if (GPIO_ReadInputDataBit(TA_SW1_GPIO, GPIOpin))
+ result = 0;
- return result;
+ return result;
}
void led_off (led_t led)
{
- switch (led)
- {
- case LED_PC6:
- GPIO_ResetBits(GPIOC, GPIO_Pin_6);
- break;
- case LED_PC7:
- GPIO_ResetBits(GPIOC, GPIO_Pin_7);
- break;
- case LED_PC8:
- GPIO_ResetBits(GPIOC, GPIO_Pin_8);
- break;
- case LED_PC9:
- GPIO_ResetBits(GPIOC, GPIO_Pin_9);
- break;
- case LED_ALL:
- GPIO_ResetBits(GPIOC, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_6 | GPIO_Pin_7);
- break;
- default:
- // do nothing for undefined led number
- break;
- }
+ switch (led)
+ {
+ case LED_PC6:
+ GPIO_ResetBits(GPIOC, GPIO_Pin_6);
+ break;
+ case LED_PC7:
+ GPIO_ResetBits(GPIOC, GPIO_Pin_7);
+ break;
+ case LED_PC8:
+ GPIO_ResetBits(GPIOC, GPIO_Pin_8);
+ break;
+ case LED_PC9:
+ GPIO_ResetBits(GPIOC, GPIO_Pin_9);
+ break;
+ case LED_ALL:
+ GPIO_ResetBits(GPIOC, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_6 | GPIO_Pin_7);
+ break;
+ default:
+ // do nothing for undefined led number
+ break;
+ }
}
void led_on (led_t led)
{
- switch (led)
- {
- case LED_PC6:
- GPIO_SetBits(GPIOC, GPIO_Pin_6);
- break;
- case LED_PC7:
- GPIO_SetBits(GPIOC, GPIO_Pin_7);
- break;
- case LED_PC8:
- GPIO_SetBits(GPIOC, GPIO_Pin_8);
- break;
- case LED_PC9:
- GPIO_SetBits(GPIOC, GPIO_Pin_9);
- break;
- case LED_ALL:
- GPIO_SetBits(GPIOC, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_6 | GPIO_Pin_7);
- break;
- default:
- // do nothing for undefined led number
- break;
- }
+ switch (led)
+ {
+ case LED_PC6:
+ GPIO_SetBits(GPIOC, GPIO_Pin_6);
+ break;
+ case LED_PC7:
+ GPIO_SetBits(GPIOC, GPIO_Pin_7);
+ break;
+ case LED_PC8:
+ GPIO_SetBits(GPIOC, GPIO_Pin_8);
+ break;
+ case LED_PC9:
+ GPIO_SetBits(GPIOC, GPIO_Pin_9);
+ break;
+ case LED_ALL:
+ GPIO_SetBits(GPIOC, GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_6 | GPIO_Pin_7);
+ break;
+ default:
+ // do nothing for undefined led number
+ break;
+ }
}
#ifdef USART_SUPPORT
@@ -854,8 +856,8 @@
int is_IRQ_enabled(void)
{
- return (( NVIC->ISER[((uint32_t)(DECAIRQ_EXTI_IRQn) >> 5)]
- & (uint32_t)0x01 << (DECAIRQ_EXTI_IRQn & (uint8_t)0x1F) ) ? 1 : 0) ;
+ return (( NVIC->ISER[((uint32_t)(DECAIRQ_EXTI_IRQn) >> 5)]
+ & (uint32_t)0x01 << (DECAIRQ_EXTI_IRQn & (uint8_t)0x1F) ) ? 1 : 0) ;
}
/*! ------------------------------------------------------------------------------------------------------------------
@@ -913,9 +915,9 @@
*/
void peripherals_init (void)
{
- rcc_init();
- gpio_init();
- systick_init();
- spi_peripheral_init();
- usartinit();
+ rcc_init();
+ gpio_init();
+ systick_init();
+ spi_peripheral_init();
+ usartinit();
}
--
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