void SPI_RFT_Configure(SPI_RFT_low_cb_TypeDef pSpi_cb)
{
SPI_InitTypeDef InitStructure;
Spi_cb = pSpi_cb;
SPI_StructInit(&InitStructure);
InitStructure.SPI_CPHA = SPI_CPHA_1Edge; // SPI(0,0)
InitStructure.SPI_CPOL = SPI_CPOL_Low;
InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16; // 1.5 MHz
InitStructure.SPI_DataSize = SPI_DataSize_16b; // 16 bit
InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; // Full-duplex
InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; // MSB first
InitStructure.SPI_Mode = SPI_Mode_Master;
InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_Init(SPIx,&InitStructure);
SPI_NSSInternalSoftwareConfig(SPIx,SPI_NSSInternalSoft_Set);
SPI_Cmd(SPIx,ENABLE);
SPI_I2S_ITConfig(SPIx,SPI_I2S_IT_RXNE,ENABLE);
NVIC_EnableIRQ(SPIx_IRQn);
*CS = 1;
}
void init_dac(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphClockCmd(DAC_CLOCKING_REGISTER, ENABLE);
/* Confugure SCK and MOSI pins as Alternate Function Push Pull */
GPIO_InitStructure.GPIO_Pin = DAC_CLK | DAC_MOSI;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(DAC_PORT, &GPIO_InitStructure);
/* Confugure MISO pin as ususal output */
GPIO_InitStructure.GPIO_Pin = DAC_CS;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(DAC_PORT, &GPIO_InitStructure);
GPIO_SetBits(DAC_PORT, DAC_CS);
SPI_InitStructure.SPI_Direction = SPI_Direction_1Line_Tx;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_Init(SPI1, &SPI_InitStructure);
SPI_Cmd(SPI1, ENABLE);
SPI_NSSInternalSoftwareConfig(SPI1, SPI_NSSInternalSoft_Set);
}
void st7735_initGPIO(void){
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
GPIO_InitStructure.GPIO_Pin = ST7735_PIN_A0;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = ST7735_PIN_SCK | ST7735_PIN_SDA;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
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_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_Init(ST7735_SPI, &SPI_InitStructure);
SPI_Cmd(ST7735_SPI, ENABLE);
SPI_NSSInternalSoftwareConfig(ST7735_SPI, SPI_NSSInternalSoft_Set);
}
/*
Use
EXTI Slave - PA4
SPI1_SCK - PA5 21 *
SPI1_MISO - PA6 22 *
SPI1_MOSI - PA7 23 *
Пускай пока скорость будет маленькая 125 КГц примерно
*/
void SpiInit()
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); //For exti
//SPI lines
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource5, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_SPI1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource7, GPIO_AF_SPI1);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;//SPI_BaudRatePrescaler_256;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_CRCPolynomial = 15;
SPI_Init(SPI1, &SPI_InitStructure);
SPI_I2S_ITConfig(SPI1,SPI_I2S_IT_RXNE,ENABLE);
SPI_NSSInternalSoftwareConfig(SPI1, SPI_NSSInternalSoft_Set);
//SPI_SSOutputCmd(SPI1, ENABLE);
SPI_Cmd(SPI1, ENABLE);
NVIC_EnableIRQ(SPI1_IRQn);
//SPI_I2S_SendData(SPI1, 1234);
//Init EXTI
//EXTI line
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;//GPIO_Speed_40MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_Init(GPIOA, &GPIO_InitStructure);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource4);
EXTI_InitTypeDef exti;
exti.EXTI_Line = EXTI_Line4;
exti.EXTI_Mode = EXTI_Mode_Interrupt;
exti.EXTI_Trigger = EXTI_Trigger_Rising;
exti.EXTI_LineCmd = ENABLE;
EXTI_Init(&exti);
NVIC_EnableIRQ(EXTI4_IRQn);
}
void SPI_RC522_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
SPI_InitTypeDef SPI_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOA |
RCC_APB2Periph_GPIOB, ENABLE);
#if _SPI_RC522_PORT == 1
RCC_APB2PeriphClockCmd(RC522_SPI_CLK ,ENABLE);
#elif _SPI_RC522_PORT == 2
RCC_APB1PeriphClockCmd(RC522_SPI_CLK ,ENABLE);
#endif
RCC_APB2PeriphClockCmd(RC522_SPI_CS_GPIO_CLK, ENABLE);
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin =RC522_SPI_CS_PIN ;
GPIO_InitStructure.GPIO_Mode=GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(RC522_SPI_CS_PORT, &GPIO_InitStructure);
RF_Deactivate();
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = RC522_SPI_SCK_PIN | RC522_SPI_MISO_PIN | RC522_SPI_MOSI_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(RC522_SPI_GPIO_PORT, &GPIO_InitStructure);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //полный дуплекс
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_SPEED;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial=7;
SPI_Init(RC522_SPI, &SPI_InitStructure);
SPI_Cmd(RC522_SPI, ENABLE);
SPI_NSSInternalSoftwareConfig(RC522_SPI, SPI_NSSInternalSoft_Set);//надо, что бы stm знал, что он мастер
//Reset
RCC_APB2PeriphClockCmd(RC522_RST_GPIO_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = RC522_RST_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(RC522_RST_PORT, &GPIO_InitStructure);
GPIO_SetBits(RC522_RST_PORT, RC522_RST_PIN);
RF_Deactivate();
}
void SPI_Enable(void)
{
SPI_Struct_init.SPI_Direction = SPI_Direction_1Line_Tx ;
SPI_Struct_init.SPI_Mode = SPI_Mode_Master;
SPI_Struct_init.SPI_DataSize = SPI_DataSize_16b;
SPI_Struct_init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16;
SPI_Struct_init.SPI_NSS = SPI_NSS_Soft;
SPI_Struct_init.SPI_CPOL = SPI_CPOL_Low;
SPI_Init(SPI1,&SPI_Struct_init);
SPI_NSSInternalSoftwareConfig(SPI1, SPI_NSSInternalSoft_Set);
SPI_Cmd(SPI1, ENABLE);
};
// SPI initialization with given prescaler
void nRF24_SPI_Init(uint16_t prescaler) {
SPI_InitTypeDef SPI;
SPI.SPI_Mode = SPI_Mode_Master;
SPI.SPI_BaudRatePrescaler = prescaler;
SPI.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI.SPI_CPOL = SPI_CPOL_Low;
SPI.SPI_CPHA = SPI_CPHA_1Edge;
SPI.SPI_CRCPolynomial = 7;
SPI.SPI_DataSize = SPI_DataSize_8b;
SPI.SPI_FirstBit = SPI_FirstBit_MSB;
SPI.SPI_NSS = SPI_NSS_Soft;
SPI_Init(SPI_PORT,&SPI);
// NSS must be set to '1' due to NSS_Soft settings (otherwise it will be Multimaster mode).
SPI_NSSInternalSoftwareConfig(SPI_PORT,SPI_NSSInternalSoft_Set);
}
void dw1000_ioset(void)
{
GPIO_InitTypeDef gpio_init;
//dw1000 相关引脚初始化
gpio_init.GPIO_Pin = DW1000_RSTn; //DW1000复位引脚
gpio_init.GPIO_Mode = GPIO_Mode_AIN;
gpio_init.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(DW1000_DATA_PORT, &gpio_init);
//GPIO_SetBits(DW1000_DATA_PORT, DW1000_RSTn);
gpio_init.GPIO_Pin = DW1000_CS; //DW1000片选引脚
gpio_init.GPIO_Mode = GPIO_Mode_Out_PP;
gpio_init.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_Init(DW1000_DATA_PORT, &gpio_init);
GPIO_SetBits(DW1000_DATA_PORT, DW1000_CS);
gpio_init.GPIO_Pin = DW1000_SCK | DW1000_MOSI; //DW1000 SPI时钟和MOSI引脚
gpio_init.GPIO_Mode = GPIO_Mode_AF_PP;
gpio_init.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(DW1000_DATA_PORT, &gpio_init);
gpio_init.GPIO_Pin = DW1000_MISO; //DW1000 MISO引脚
gpio_init.GPIO_Mode = GPIO_Mode_AF_OD;
gpio_init.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(DW1000_DATA_PORT, &gpio_init);
gpio_init.GPIO_Pin = DW1000_WAK; //DW1000唤醒引脚
gpio_init.GPIO_Mode = GPIO_Mode_Out_PP;
gpio_init.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(DW1000_CTRL_PORT, &gpio_init);
GPIO_ResetBits(DW1000_DATA_PORT, DW1000_WAK);
gpio_init.GPIO_Pin = DW1000_IRQn; //DW1000中断引脚
gpio_init.GPIO_Mode = GPIO_Mode_IN_FLOATING;
gpio_init.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_Init(DW1000_CTRL_PORT, &gpio_init);
GPIO_EXTILineConfig(DW1000_INT_PORT, DW1000_INT_PIN);
//SPI初始化
BSP_DWTSpiSet(DW1000_SLOW_SPEED);
SPI_NSSInternalSoftwareConfig(SPI1, SPI_NSSInternalSoft_Set);
}
void SPI_Initialize()
{
SPI_RCC_Configuration();
SPI_GPIO_Configuration(SPI_Mode_Master);
SPI_InitTypeDef SPI_InitStructure;
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_16;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_Init(NRF_SPI, &SPI_InitStructure);
SPI_Cmd(NRF_SPI, ENABLE);
SPI_NSSInternalSoftwareConfig(NRF_SPI, SPI_NSSInternalSoft_Set);
}
void init_SPI(void)
{
SPI_InitTypeDef SPI_InitStructure;
SPI_StructInit(&SPI_InitStructure);
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256;
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge;
SPI_InitStructure.SPI_CRCPolynomial = 7;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_Init(NRF24L01_SPI,&SPI_InitStructure);
// NSS must be set to '1' due to NSS_Soft settings (otherwise it will be Multimaster mode).
SPI_NSSInternalSoftwareConfig(NRF24L01_SPI,SPI_NSSInternalSoft_Set);
NRF24L01_CSN_HIGH;
NRF24L01_CE_LOW;
SPI_Cmd(NRF24L01_SPI,ENABLE);
}
void SPI_Config(void)
{
SPI_GPIO_Config();
SPI_InitTypeDef SPI_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI3, ENABLE);
SPI_I2S_DeInit(SPI3);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
SPI_InitStructure.SPI_Mode = SPI_Mode_Slave;
SPI_InitStructure.SPI_DataSize = SPI_DataSize_16b;
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low;
SPI_InitStructure.SPI_CPHA = SPI_CPHA_2Edge;
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft;
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8;
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB;
SPI_InitStructure.SPI_CRCPolynomial = 0;
SPI_Init(SPI3, &SPI_InitStructure);
SPI_SSOutputCmd(SPI3,DISABLE);
SPI_NSSInternalSoftwareConfig(SPI1, SPI_NSSInternalSoft_Set);
SPI_Cmd(SPI3, ENABLE);
SPI3->DR = DLE;
}
uint16_t lcd_init(framebuffer_t *framebuffer, lcd_wait_func_t wait_func)
{
uint16_t i;
// use framebuffer
lcd_state.framebuffer = framebuffer;
// scrolling is on by default, if we have a framebuffer
// UTF-8 is on by default, because I use Eclipse
lcd_state.flags = framebuffer != NULL ? LCD_FLAG_SCROLL|LCD_FLAG_UTF8CYR : LCD_FLAG_UTF8CYR;
// use user :) wait function or default one
lcd_state.wait_func = wait_func == NULL ? lcd_dumb_wait : wait_func;
// init clocks
RCC_APB2PeriphClockCmd(LCD_SPI_CLK, ENABLE);
RCC_AHBPeriphClockCmd(LCD_GPIO_CLK, ENABLE);
/*
* init GPIOs.
* since there be no reading, MISO is not used,
* and pin is configured as output GPIO for RESET signal
*/
// switch SCK and MOSI pins to alternate function
GPIO_PinAFConfig(LCD_PORT, LCD_SCK_PIN_NUM, GPIO_AF_0);
GPIO_PinAFConfig(LCD_PORT, LCD_MOSI_PIN_NUM, GPIO_AF_0);
// set common parameters
lcd_gpio_config.GPIO_Mode = GPIO_Mode_AF;
lcd_gpio_config.GPIO_OType = GPIO_OType_PP;
lcd_gpio_config.GPIO_PuPd = GPIO_PuPd_NOPULL;
lcd_gpio_config.GPIO_Speed = GPIO_Speed_50MHz;
// config SCK pin
lcd_gpio_config.GPIO_Pin = LCD_SCK_PIN;
GPIO_Init(LCD_PORT, &lcd_gpio_config);
// config MOSI pin
lcd_gpio_config.GPIO_Pin = LCD_MOSI_PIN;
GPIO_Init(LCD_PORT, &lcd_gpio_config);
// config MISO pin
lcd_gpio_config.GPIO_Mode = GPIO_Mode_OUT;
lcd_gpio_config.GPIO_Pin = LCD_RESET_PIN;
GPIO_Init(LCD_PORT, &lcd_gpio_config);
/*
* init SPI
* hell bunch of configurations :-\
*/
// just in case
SPI_I2S_DeInit(LCD_SPI);
// config SPI
lcd_spi_config.SPI_Direction = SPI_Direction_1Line_Tx;
lcd_spi_config.SPI_Mode = SPI_Mode_Master;
lcd_spi_config.SPI_DataSize = SPI_DataSize_9b;
lcd_spi_config.SPI_CPOL = SPI_CPOL_Low;
lcd_spi_config.SPI_CPHA = SPI_CPHA_1Edge;
// lcd_spi_config.SPI_CPOL = SPI_CPOL_High;
// lcd_spi_config.SPI_CPHA = SPI_CPHA_2Edge;
lcd_spi_config.SPI_NSS = SPI_NSS_Soft;
lcd_spi_config.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
lcd_spi_config.SPI_FirstBit = SPI_FirstBit_MSB;
lcd_spi_config.SPI_CRCPolynomial = 7; // ?
SPI_Init(LCD_SPI, &lcd_spi_config);
// enable NSS
SPI_NSSInternalSoftwareConfig(LCD_SPI, SPI_NSSInternalSoft_Set);
// enable SPI
SPI_Cmd(LCD_SPI, ENABLE);
// finally, send RESET signal
GPIO_ResetBits(LCD_PORT, LCD_RESET_PIN);
lcd_state.wait_func(5); // let RESET last 5 msec!
GPIO_SetBits(LCD_PORT, LCD_RESET_PIN);
// // send Reading Mode command
// lcd_write_command(0xdb);
// // switch SPI to read
// SPI_BiDirectionalLineConfig(LCD_SPI, SPI_Direction_Rx);
// while(SPI_GetReceptionFIFOStatus(LCD_SPI) < SPI_ReceptionFIFOStatus_HalfFull);
// data = SPI_I2S_ReceiveData16(LCD_SPI);
// // switch SPI back to write
// SPI_BiDirectionalLineConfig(LCD_SPI, SPI_Direction_Tx);
// send command of internal display reset
lcd_write_command(0xE2);
// wait...
lcd_state.wait_func(20);
// send init commands to display
for(i = 0; i < sizeof(lcd_init_sequence); i++)
lcd_write_command(lcd_init_sequence[i]);
return 0;
}
