static void prvSetupHardware( void )
{
SystemCoreClockUpdate();
// enable clock to RAM1
LPC_SYSCON->SYSAHBCLKCTRL |= (1<<26);
// init GPIO
GPIOInit();
// init I2C
I2CInit(I2CMASTER);
//init ADC
ADCInit(ADC_CLK);
// init SPI ports
SSP_IOConfig( 0 );
SSP_Init( 0 );
SSP_IOConfig( 1 );
SSP_Init( 1 );
// init keyboard
CAP_KEY_Init();
// init MOSFET pin
LPC_IOCON->PIO1_25=0x90;
GPIOSetDir(PIN_MOSFET,1);
}
//------------------------------------------------------------------------------
//! static HWStatus_t initSSP(void)
//------------------------------------------------------------------------------
//@ brief initializes SSP interface for communication with sensor
//------------------------------------------------------------------------------
static HWStatus_t initSSP(void)
{
SSPInit_t init;
SSPStatus_t res=0;
init.bitlen = t8_bit;
init.clk_phase = 1;
init.clk_pol = 1;
init.mode = 0;
init.frm_format = 0;
init.loop_back=0;
// init.ser_clk_rate = 9; //! 10 clocks per bit
init.ser_clk_rate = 0; //! 1 clocks per bit
init.clk_prescaler = 12;
init.enable=1;
res = SSP_Init(SSP_2, &init);
if(res != SSP_ERR_OK)
return HW_ERR_RESOURCE;
ssp_init=1;
return HW_ERR_OK;
}
void SSP1_Initialize(void) //Slave
{
SSP_StructInit(&SSP1_InitStructure);
SSP1_InitStructure.SSP_DataSize = SSP_DataSize_8b;
SSP1_InitStructure.SSP_Mode = SSP_Mode_Slave; // SSP1 = Slave
SSP_Init(SSP1,&SSP1_InitStructure);
}
Spi::Spi(SerialCallback callback) : m_rq(SPI_RECEIVEBUF_SIZE), m_tq(SPI_TRANSMITBUF_SIZE, callback)
{
uint32_t i;
volatile uint32_t d;
SSP_CFG_Type configStruct;
configStruct.CPHA = SSP_CPHA_FIRST;
configStruct.CPOL = SSP_CPOL_HI;
configStruct.ClockRate = 204000000;
configStruct.Databit = SSP_DATABIT_16;
configStruct.Mode = SSP_SLAVE_MODE;
configStruct.FrameFormat = SSP_FRAME_SPI;
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP1, &configStruct);
// clear receive fifo
for (i=0; i<8; i++)
d = LPC_SSP1->DR;
// Enable SSP peripheral
SSP_Cmd(LPC_SSP1, ENABLE);
SSP_ClearIntPending(LPC_SSP1, SSP_INTCFG_RX);
SSP_IntConfig(LPC_SSP1, SSP_INTCFG_RX, ENABLE);
NVIC_SetPriority(SSP1_IRQn, 0); // high priority interrupt
m_sync = false;
m_recvCounter = 0;
m_lastRecvCounter = 0;
m_syncCounter = 0;
setAutoSlaveSelect(false);
}
/*******************************************************************************
* Function Name : TP_Init
* Description : TSC2046 Initialization
* Input : None
* Output : None
* Return : None
* Attention : None
*******************************************************************************/
void TP_Init(void)
{
SSP_CFG_Type SSP_ConfigStruct;
/*
* Initialize SPI pin connect
* P2.23 - TP_CS - used as GPIO
* P2.22 - SCK
* P2.26 - MISO
* P2.27 - MOSI
*/
PINSEL_ConfigPin(2, 23, 0);
PINSEL_ConfigPin(2, 22, 2);
PINSEL_ConfigPin(2, 26, 2);
PINSEL_ConfigPin(2, 27, 2);
/* P0.16 CS is output */
GPIO_SetDir(TP_CS_PORT_NUM, (1<<TP_CS_PIN_NUM), 1);
GPIO_SetValue(TP_CS_PORT_NUM, (1<<TP_CS_PIN_NUM));
PINSEL_ConfigPin(2, 11, 0);
GPIO_SetDir(2, (1<<11), 0); /* P2.11 TP_INT is input */
/* initialize SSP configuration structure to default */
SSP_ConfigStructInit(&SSP_ConfigStruct);
SSP_ConfigStruct.ClockRate = 250000;
SSP_ConfigStruct.CPHA = SSP_CPHA_FIRST; //SSP_CPHA_SECOND SSP_CPHA_FIRST
SSP_ConfigStruct.CPOL = SSP_CPOL_HI; //SSP_CPOL_LO SSP_CPOL_HI
/* Initialize SSP peripheral with parameter given in structure above */
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
/* Enable SSP peripheral */
SSP_Cmd(LPC_SSP0, ENABLE);
}
void ads7843_init(void)
{
SSP_CFG_Type SSP_ConfigStruct;
CONFIG_TS_PENIRQ;
scu_pinmux(0x3,3,MD_PLN_FAST,FUNC2); // P3.3 connected to SCL/SCLK func2=SSP0 SCK0
// scu_pinmux(0x9,0,MD_PLN_FAST,FUNC7); // P9.0 connected to nCS func2=SSP0 SSEL0
scu_pinmux(0x9,0,MD_PLN_FAST | MD_EZI,FUNC0);
GPIO_SetDir(4,1<<12,1);
scu_pinmux(0x3,6,MD_PLN_FAST | MD_EZI,FUNC5); // P3.6 connected to SO func2=SSP0 MISO0
GPIO_SetDir(0,1<<6,0);
scu_pinmux(0x3,7,MD_PLN_FAST ,FUNC5); // P3.7 connected to nSI func2=SSP0 MOSI0
// initialize SSP configuration structure to default
SSP_ConfigStructInit(&SSP_ConfigStruct);
SSP_ConfigStruct.ClockRate = 100000;
SSP_ConfigStruct.Databit = SSP_DATABIT_8;
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
// Enable SSP peripheral
SSP_Cmd(LPC_SSP0, ENABLE);
}
static void init_ssp(void)
{
SSP_CFG_Type SSP_ConfigStruct;
PINSEL_CFG_Type PinCfg;
/*
* Initialize SPI pin connect
* P0.7 - SCK;
* P0.8 - MISO
* P0.9 - MOSI
* P2.2 - SSEL - used as GPIO
*/
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 7;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 8;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 9;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Funcnum = 0;
PinCfg.Portnum = 2;
PinCfg.Pinnum = 2;
PINSEL_ConfigPin(&PinCfg);
SSP_ConfigStructInit(&SSP_ConfigStruct);
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP1, &SSP_ConfigStruct);
// Enable SSP peripheral
SSP_Cmd(LPC_SSP1, ENABLE);
}
/*----------------------------------------------------------*\
| PCD5544 Initialize |
\*----------------------------------------------------------*/
void LCD_Init(void) {
//PINSEL0 &= 0xEFFFFFFF; // 设置SPI管脚连接
PINSEL0 |= 0x20000000; // 设置SPI管脚连接
//PINSEL1 &= 0xFFFFFCFF; // 设置SPI管脚连接
PINSEL1 |= 0x00000100; // 设置SPI管脚连接
IODIR |= (1<<21)|(1<<13)|(1<<19);
IOCLR = (1<<19);
//SSPCCR = 0x08; // 设置SPI时钟分频
//SSPCR = 0x38; // 设置SPI接口模式，MSTR=1，CPOL=1，CPHA=1，LSBF=0
SSP_Init();
IOSET=(1<<19);
IOCLR=(1<<21);
IOCLR=(1<<13); //准备写指令
/*
LCD_Write(32+1); //进入扩展指令
LCD_Write(128+38); //设置Vop,相当于亮度
LCD_Write(4+3); //设置温度系数,相当于对比度
LCD_Write(16 +3); // 设置偏置,这句要与不要的实际效果好像一样
LCD_Write(32+0); //进入基本指令
LCD_Write(12); //使能芯片活动/垂直寻址
*/
LCD_Write(0x21);//初始化Lcd,功能设定使用扩充指令
LCD_Write(0xd0);//设定液晶偏置电压
LCD_Write(0x20);//使用基本指令
LCD_Write(0x0C);//设定显示模式，正常显示
IOSET=(1<<21);
Delay(1);
}
//---------------------------------------------------------------------------------------
void SPI_Config()
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
GPIO_Init(GPIO0, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIO1, &GPIO_InitStructure);
GPIO_WriteBit(GPIO1, GPIO_Pin_10, Bit_SET);
GPIO_WriteBit(GPIO0, GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7, Bit_SET);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_18 | GPIO_Pin_19;
GPIO_Init(GPIO2, &GPIO_InitStructure);
SSP_InitTypeDef SSP_InitStructure;
SSP_InitStructure.SSP_FrameFormat = SSP_FrameFormat_Motorola;
SSP_InitStructure.SSP_Mode = SSP_Mode_Master;
SSP_InitStructure.SSP_CPOL = SSP_CPOL_Low;
SSP_InitStructure.SSP_CPHA = SSP_CPHA_1Edge;
SSP_InitStructure.SSP_DataSize = SSP_DataSize_8b;
SSP_InitStructure.SSP_NSS = SSP_NSS_Soft;
SSP_InitStructure.SSP_ClockRate = 0;
SSP_InitStructure.SSP_ClockPrescaler = 2; /* SSP baud rate : 30 MHz/(4*(2+1))= 2.5MHz */
SSP_Init(SSP0, &SSP_InitStructure);
SSP_Cmd(SSP0, ENABLE);
}
/*----------------------------------------------------------------------------
MAIN function
*----------------------------------------------------------------------------*/
int main (void)
{
unsigned long status, current_tick, last_tick, i, j;
unsigned char data[5];
unsigned char temp;
// SysTick_Config(SystemCoreClock/1000); /* Generate IRQ each 1 ms */
init_mfrc500();
SER_init(); /* UART#1 Initialization */
SSP_IOConfig();
SSP_Init();
// init_eint();
printf("Welcome\r\n");
if(PcdReset() != MI_OK);
{
printf("PcdReset Fail\r\n");
while(1);
}
while(1);
}
static void prvSetupHardware( void )
{
SystemCoreClockUpdate();
// enable clock to RAM1
LPC_SYSCON->SYSAHBCLKCTRL |= (1<<26);
// init GPIO
GPIOInit();
// init I2C
I2CInit(I2CMASTER);
//init ADC
ADCInit(ADC_CLK);
// init SPI ports
SSP_IOConfig( 0 );
SSP_Init( 0 );
SSP_IOConfig( 1 );
SSP_Init( 1 );
if (GPIOGetPinValue( PIN_CAL_DET ))
{
m_eAppCFGStatus = appANTENNA_CAL;
// init CLKOUT pin
LPC_IOCON->PIO0_1=1; // enable CLKOUT
LPC_SYSCON->CLKOUTSEL=3; // select main clock
LPC_SYSCON->CLKOUTUEN=1; // update clock source
LPC_SYSCON->CLKOUTDIV=2; // divide by 2
}
else
{
m_eAppCFGStatus = appNFC_KEYB_TEMP_SWITCH;
// init keyboard
CAP_KEY_Init();
// init MOSFET pin
LPC_IOCON->PIO1_25=0x90;
GPIOSetDir(PIN_MOSFET,1);
}
}
void SSP0_Initialize(void) //Master
{
SSP_StructInit(&SSP0_InitStructure);
SSP0_InitStructure.SSP_FrameFormat = SSP_FrameFormat_MO; // Motorora SPI mode
SSP0_InitStructure.SSP_DataSize = SSP_DataSize_8b;
//SSP0_InitStructure.SSP_BaudRatePrescaler = SSP_BaudRatePrescaler_4;
SSP_Init(SSP0,&SSP0_InitStructure);
}
static void SpiInit(void)
{
// Init : SPI Enable, Master, Clock rate
#if 0
#ifdef USE_RF12
// use clk/8 (2x 1/16th) to avoid exceeding RF12's SPI specs of 2.5 MHz when both are used together
SPCR = _BV(SPE) | _BV(MSTR);
#else
SPCR = _BV(SPE) | _BV(MSTR) | _BV(SPR0);
#endif
SPSR |= _BV(SPI2X);
#else
// LPC17xx config
PINSEL_CFG_Type pin_config =
{
.Portnum = DECODE_PORTNUM(SPI_SCK),
.Pinmode = PINSEL_PINMODE_TRISTATE,
.OpenDrain = PINSEL_PINMODE_NORMAL
};
SSP_CFG_Type ssp_config =
{
.CPHA = SSP_CPHA_FIRST,
.CPOL = SSP_CPOL_HI,
.ClockRate = SSP_CLK,
.Databit = SSP_DATABIT_8,
.Mode = SSP_MASTER_MODE,
.FrameFormat = SSP_FRAME_SPI
};
// setup IO pins for SSP peripheral function
pin_config.Funcnum = 2; // second alternate function
pin_config.Pinnum = DECODE_BITNUM(SPI_MISO);
PINSEL_ConfigPin(&pin_config);
pin_config.Pinnum = DECODE_BITNUM(SPI_MOSI);
PINSEL_ConfigPin(&pin_config);
pin_config.Pinnum = DECODE_BITNUM(SPI_SCK);
PINSEL_ConfigPin(&pin_config);
pin_config.Funcnum = 0; // GPIO control
pin_config.Pinnum = DECODE_BITNUM(SPI_SSEL);
PINSEL_ConfigPin(&pin_config);
// Initialize the SSP
SSP_Init(SSP, &ssp_config);
SSP_Cmd(SSP, ENABLE);
#endif
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
/*
* Set up SPI (SSP)
* Note: Max allowed SPI clock is 4 MHz from datasheet.
*/
/* Select SSP/SPI port */
SSP_IOConfig( CONTROLLER_SPI_PORT_NUMBER );
/* Initialise SSP/SPI port */
SSP_Init( CONTROLLER_SPI_PORT_NUMBER );
/* Above functions take care of SPI pins */
/* Set SS, DC and RST pins to output */
CONTROLLER_SS_PORT->DIR |= (1 << CONTROLLER_SS_PIN);
CONTROLLER_DC_PORT->DIR |= (1 << CONTROLLER_DC_PIN);
CONTROLLER_RST_PORT->DIR |= (1 << CONTROLLER_RST_PIN);
/* Deselect LCD */
//GLCD_DESELECT();
/* Reset the display */
glcd_reset();
/* Get into the EXTENDED mode! */
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
/* LCD bias select (4 is optimal?) */
glcd_command(PCD8544_SET_BIAS | 0x2);
/* Set VOP */
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
/* Back to standard instructions */
glcd_command(PCD8544_FUNCTION_SET);
/* Normal mode */
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
glcd_select_screen(glcd_buffer,&glcd_bbox);
glcd_clear();
#else /* GLCD_CONTROLLER_PCD8544 */
#error "Controller not supported by LPC111x"
#endif
}
void glcd_init(void)
{
#if defined(GLCD_CONTROLLER_PCD8544)
// Set up SPI (SSP)
// Note: Max allowed SPI clock is 4 MHz from datasheet.
// select SSP/SPI port
SSP_IOConfig( PCD8544_SPI_PORT_NUMBER );
// initialise SSP/SPI port
SSP_Init( PCD8544_SPI_PORT_NUMBER );
// above functions take care of SPI pins
// set SS, DC and RST pins to output
PCD8544_SS_PORT->DIR |= (1 << PCD8544_SS_PIN);
PCD8544_DC_PORT->DIR |= (1 << PCD8544_DC_PIN);
PCD8544_RST_PORT->DIR |= (1 << PCD8544_RST_PIN);
// deselect LCD
//GLCD_DESELECT();
// reset the display
glcd_reset();
// get into the EXTENDED mode!
glcd_command(PCD8544_FUNCTION_SET | PCD8544_EXTENDED_INSTRUCTION);
// LCD bias select (4 is optimal?)
glcd_command(PCD8544_SET_BIAS | 0x2);
// set VOP
glcd_command(PCD8544_SET_VOP | 50); // Experimentally determined
// back to standard instructions
glcd_command(PCD8544_FUNCTION_SET);
// normal mode
glcd_command(PCD8544_DISPLAY_CONTROL | PCD8544_DISPLAY_NORMAL);
glcd_select_screen((uint8_t *)&glcd_buffer,&glcd_bbox);
glcd_clear();
#else /* GLCD_CONTROLLER_PCD8544 */
#error Controller not supported.
#endif
}
void LED_init(){
//TODO lsb first spi mode 0 0?
GPIO_SetDir(LED_OE_PORT, LED_OE_BIT, 1);
GPIO_SetValue(LED_OE_PORT, LED_OE_BIT);
GPIO_SetDir(LED_LE_PORT, LED_LE_BIT, 1);
GPIO_SetValue(LED_LE_PORT, LED_LE_BIT);
GPIO_SetDir(WF_HIBERNATE_PORT, WF_HIBERNATE_BIT, 0);
GPIO_SetValu(WF_HIBERNATE_PORT, WF_HIBERNATE_BIT);
// Initialize SPI pin connect
PINSEL_CFG_Type PinCfg;
SSP_CFG_Type SSP_ConfigStruct;
/* SCK1 */
PinCfg.Funcnum = PINSEL_FUNC_2;
PinCfg.OpenDrain = PINSEL_PINMODE_NORMAL;
PinCfg.Pinmode = PINSEL_PINMODE_PULLDOWN;
PinCfg.Pinnum = LED_SCK_PIN;
PinCfg.Portnum = LED_SCK_PORT;
PINSEL_ConfigPin(&PinCfg);
/* MISO1 */
PinCfg.Pinmode = PINSEL_PINMODE_PULLUP;
PinCfg.Pinnum = LED_MISO_PIN;
PinCfg.Portnum = LED_MISO_PORT;
PINSEL_ConfigPin(&PinCfg);
/* MOSI1 */
PinCfg.Pinnum = LED_MOSI_PIN;
PinCfg.Portnum = LED_MOSI_PORT;
PINSEL_ConfigPin(&PinCfg);
/* initialize SSP configuration structure */
SSP_ConfigStruct.CPHA = SSP_CPHA_FIRST;
SSP_ConfigStruct.CPOL = SSP_CPOL_HI;
SSP_ConfigStruct.ClockRate = 10000000; /* TLC5927 max freq = 30Mhz */
SSP_ConfigStruct.Databit = SSP_DATABIT_16;
SSP_ConfigStruct.Mode = SSP_MASTER_MODE;
SSP_ConfigStruct.FrameFormat = SSP_FRAME_SPI;
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
RIT_Init(LPC_RIT);
RIT_TimerConfig(LPC_RIT, TIME_INTERVAL); //TODO: decide on time interval
NVIC_SetPriority(LPC_RIT, 0); // set according to main.c
NVIC_EnableIRQ(LPC_RIT);
/* Enable SSP peripheral */
SSP_Cmd(LPC_SSP0, ENABLE);
}
void spi_init()
{
uint32_t i;
volatile uint32_t d;
SSP_CFG_Type configStruct;
g_receive.m_buf = new uint16_t[SPI_RECEIVEBUF_SIZE];
g_receive.m_read = 0;
g_receive.m_write = 0;
g_receive.m_produced = 0;
g_receive.m_consumed = 0;
g_transmit.m_buf = new uint16_t[SPI_TRANSMITBUF_SIZE];
g_transmit.m_read = 0;
g_transmit.m_len = 0;
g_transmit.m_callback = (TransmitCallback)NULL;
configStruct.CPHA = SSP_CPHA_FIRST;
configStruct.CPOL = SSP_CPOL_HI;
configStruct.ClockRate = 204000000;
configStruct.Databit = SSP_DATABIT_16;
configStruct.Mode = SSP_SLAVE_MODE;
configStruct.FrameFormat = SSP_FRAME_SPI;
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP1, &configStruct);
// clear receive fifo
for (i=0; i<8; i++)
d = LPC_SSP1->DR;
// Enable SSP peripheral
SSP_Cmd(LPC_SSP1, ENABLE);
SSP_ClearIntPending(LPC_SSP1, SSP_INTCFG_RT);
SSP_IntConfig(LPC_SSP1, SSP_INTCFG_RT, ENABLE);
// sync
spi_sync();
// enable interrupt
NVIC_SetPriority(SSP1_IRQn, 0); // high priority interrupt
NVIC_EnableIRQ(SSP1_IRQn);
}
void SPI1_Int(void)
{
PINSEL_ConfigPin(0, 7, 2);//p0.7：SSP0_SCK
PINSEL_ConfigPin(0, 6, 2);//p0.6: CS //SSP0_SSEL
PINSEL_ConfigPin(0, 8, 2);//p0.8: SSP0_MISO
PINSEL_ConfigPin(0, 9, 2);//p0.9: SSP0_MOSI
SSP_ConfigStruct.CPHA = SSP_CPHA_FIRST;//SSP控制寄存器在帧传输的第一个时钟跳变沿捕获串行数据
SSP_ConfigStruct.CPOL = SSP_CPOL_HI;//SSP控制器使总线时钟在每帧数据传输之间保持高电平
SSP_ConfigStruct.ClockRate = 1000000;//
SSP_ConfigStruct.Databit = SSP_DATABIT_8;//每帧8位数据
SSP_ConfigStruct.Mode = SSP_SLAVE_MODE;//选择SSP为从机
SSP_ConfigStruct.FrameFormat = SSP_FRAME_SPI;//SPI 模式
SSP_Init(LPC_SSP1, &SSP_ConfigStruct);// Initialize SSP peripheral with parameter given in structure above
LPC_SSP1->CR1 |= SSP_CR1_SSP_EN;//SSP_Cmd(0, ENABLE);// Enable SSP peripheral
printf("\n\rSPI_INIT\n\r");
}
//-----------------------------------------------------------------//
// Setup SSP module
// HCLK = 32 MHz
// The information rate is computed using the following formula:
// F_SSPCLK / ( CPSDVR * (1 + SCR) )
// 3.2 MHz
//-----------------------------------------------------------------//
void HW_SSPInit(void)
{
SSP_InitTypeDef sSSP;
SSP_StructInit (&sSSP);
SSP_BRGInit(MDR_SSP2,SSP_HCLKdiv1); // F_SSPCLK = HCLK / 1
sSSP.SSP_SCR = 0x04; // 0 to 255
sSSP.SSP_CPSDVSR = 2; // even 2 to 254
sSSP.SSP_Mode = SSP_ModeMaster;
sSSP.SSP_WordLength = SSP_WordLength9b;
sSSP.SSP_SPH = SSP_SPH_1Edge;
sSSP.SSP_SPO = SSP_SPO_Low;
sSSP.SSP_FRF = SSP_FRF_SPI_Motorola;
sSSP.SSP_HardwareFlowControl = SSP_HardwareFlowControl_SSE;
SSP_Init (MDR_SSP2,&sSSP);
SSP_Cmd(MDR_SSP2, ENABLE);
}
/*******************************************************************************
* Function Name : Lcd_Configuration
* Description : Configures LCD Control lines
* Input : None
* Output : None
* Return : None
* Attention : None
*******************************************************************************/
static void LCD_Configuration(void)
{
PINSEL_CFG_Type PinCfg;
SSP_CFG_Type SSP_ConfigStruct;
/*
* Initialize SPI pin connect
* P0.15 - LCD_CSB - used as GPIO
* P0.16 - LCD_SCK
* P0.17 - LCD_MISO
* P0.18 - LCD_MOSI
*/
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 15;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 17;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 18;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Funcnum = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 16;
PINSEL_ConfigPin(&PinCfg);
/* P1.31 LCD_CSB is output */
GPIO_SetDir(CSB_PORT_NUM, ( (uint32_t) 1 << CSB_PIN_NUM ), 1);
GPIO_SetValue(CSB_PORT_NUM, ( (uint32_t) 1 << CSB_PIN_NUM ) );
/* initialize SSP configuration structure to default */
SSP_ConfigStructInit(&SSP_ConfigStruct);
SSP_ConfigStruct.CPHA = SSP_CPHA_SECOND;
SSP_ConfigStruct.CPOL = SSP_CPOL_LO;
SSP_ConfigStruct.ClockRate = 34000000;
/* Initialize SSP peripheral with parameter given in structure above */
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
/* Enable SSP peripheral */
SSP_Cmd(LPC_SSP0, ENABLE);
}
SPI::SPI(PinName mosi, PinName miso, PinName sclk, const char *name) :
_mosi(-1), _miso(-1), _sclk(-1), _bits(8), _hz(1000000), _mode(0),
_delay(0) {
_name = (char *) name;
// ハードSPIのみをサポート（ピン固定）
if (mosi == MOSI && (miso == MISO || miso == NC) && sclk == SCKL) {
_spi = LPC_SSP0;
SSP_IOConfig(SSP_NUM); /* initialize SSP port, share pins with SPI1 on port2(p2.0-3). */
SSP_Init(SSP_NUM);
// 8bits, mode=0;
format(_bits, _mode);
// 1MHz
frequency(_hz);
// バッファの初期化（例題に習った）
for (int i = 0; i < SSP_BUFSIZE; i++) {
src_addr[i] = 0;
dst_addr[i] = 0;
}
}
}
int main(void)
{
volatile int timeKeeper=0;
unsigned char i=0;
SSP_CFG_Type sspChannelConfig;
SSP_DATA_SETUP_Type sspDataConfig;
uint8_t rxBuff[5];
uint8_t txBuff[5];
LPC_PINCON->PINSEL0 |= 0x2<<14; //SCK1
LPC_PINCON->PINSEL0 |= 0x2<<18; //MOSI1
PORT_CS->FIODIR |= 1<<2; //P2.2 as CSn
sspDataConfig.length = 1;
sspDataConfig.tx_data = txBuff;
sspDataConfig.rx_data = rxBuff;
SSP_ConfigStructInit(&sspChannelConfig);
SSP_Init(SSP_CHANNEL, &sspChannelConfig);
SSP_Cmd(SSP_CHANNEL, ENABLE);
while(1)
{
if (timeKeeper++ % 500000 == 0)
{
PORT_CS->FIOCLR |= PIN_MASK_CS; //CS low
txBuff[0] = segmentLUT[i++]; //Buffer next numeral
//Only display 0-9
if (i==10) i=0;
//Transfer to 7-Segment Display Driver
SSP_ReadWrite(SSP_CHANNEL, &sspDataConfig, SSP_TRANSFER_POLLING);
PORT_CS->FIOSET |= PIN_MASK_CS; //CS High
}
}
return 0 ;
}
void spi_init (int spi_channel)
{
SSP_CFG_Type SSP_ConfigStruct;
if (spi_channel == 0)
pSPI = LPC_SSP0;
else
pSPI = LPC_SSP1;
/* initialize SSP configuration structure */
SSP_ConfigStruct.CPHA = SSP_CPHA_FIRST;
SSP_ConfigStruct.CPOL = SSP_CPOL_HI;
SSP_ConfigStruct.ClockRate = 200000; /* 200KHz */
SSP_ConfigStruct.Databit = SSP_DATABIT_8;
SSP_ConfigStruct.Mode = SSP_MASTER_MODE;
SSP_ConfigStruct.FrameFormat = SSP_FRAME_SPI;
SSP_Init(pSPI, &SSP_ConfigStruct);
/* Enable SSP peripheral */
SSP_Cmd(pSPI, ENABLE);
}
/*******************************************************************************
* Function Name : SPI_FLASH_Init
* Description : SPI FLASH Configuration
* Input : None
* Output : None
* Return : None
* Attention : None
*******************************************************************************/
void SPI_FLASH_RTC_Init(void)
{
SSP_CFG_Type SSP_ConfigStruct;
/*
* Initialize SPI pin connect
* P2.19 - SSEL - used as GPIO
* P2.22 - SCK
* P2.26 - MISO
* P2.27 - MOSI
*/
PINSEL_ConfigPin(FLASH_CS_PORT_NUM, FLASH_CS_PIN_NUM, 0); /* P2.19 - GPIO */
// PINSEL_ConfigPin(RTC_CS_PORT_NUM, RTC_CS_PIN_NUM, 0); /* P2.21 - GPIO */
PINSEL_ConfigPin(RTC_FLASH_MOSI_PORT_NUM, RTC_FLASH_MOSI_PIN_NUM, RTC_FLASH_MOSI_FUN_NUM); /* SSP0_SCK */
PINSEL_ConfigPin(RTC_FLASH_MISO_PORT_NUM, RTC_FLASH_MISO_PIN_NUM, RTC_FLASH_MISO_FUN_NUM); /* SSP0_MISO */
PINSEL_ConfigPin(RTC_FLASH_SCK_PORT_NUM, RTC_FLASH_SCK_PIN_NUM, RTC_FLASH_SCK_FUN_NUM); /* SSP0_MOSI */
PINSEL_SetPinMode(RTC_FLASH_MOSI_PORT_NUM,RTC_FLASH_MOSI_PIN_NUM,IOCON_MODE_PULLUP);
PINSEL_SetPinMode(RTC_FLASH_MISO_PORT_NUM,RTC_FLASH_MISO_PIN_NUM,IOCON_MODE_PLAIN);
/* P2.19 CS is output */
GPIO_SetDir(FLASH_CS_PORT_NUM, (1<<FLASH_CS_PIN_NUM), 1);
SPI_FLASH_CS_HIGH();
/* P2.21 CS is output */
// GPIO_SetDir(RTC_CS_PORT_NUM, (1<<RTC_CS_PIN_NUM), 1);
// SPI_RTC_CS_HIGH();
/* initialize SSP configuration structure to default */
SSP_ConfigStructInit(&SSP_ConfigStruct);
SSP_ConfigStruct.CPHA = SSP_CPHA_FIRST;
SSP_ConfigStruct.CPOL = SSP_CPOL_HI;
//SSP_ConfigStruct.FrameFormat = SSP_FRAME_TI;
//SSP_ConfigStruct.Databit = SSP_DATABIT_8;
/* Initialize SSP peripheral with parameter given in structure above */
SSP_ConfigStruct.ClockRate = 3000000;
//SSP_ConfigStruct.Mode = SSP_MASTER_MODE;
SSP_Init(RTC_FLASH_SSP, &SSP_ConfigStruct);
/* Enable SSP peripheral */
SSP_Cmd(RTC_FLASH_SSP, ENABLE);
}
void ssp_spi_init(){
SSP_CFG_Type SSP_ConfigStruct;
PINSEL_CFG_Type PinCfg;
SSP_ConfigStructInit(&SSP_ConfigStruct);
/*
* Initialize SPI pin connect
* P0.7 - SCK;
* P0.6 - SSEL
* P0.8 - MISO
* P0.9 - MOSI
*/
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 7;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 8;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 9;
PINSEL_ConfigPin(&PinCfg);
LPC_PINCON->PINSEL0 &= ~(0x3<<12); // [P0.6] SSEL1 as GPIO. auto ssp does not work because it toggles cs between bytes.
LPC_GPIO0->FIODIR |= (1 << SPI_SCK_PIN) | (1 << SPI_MOSI_PIN) | (1 << SPI_SSEL_PIN);
LPC_GPIO0->FIODIR &= ~(1 << SPI_MISO_PIN);
LPC_GPIO0->FIOSET |= PIN_MASK_CS; // - set high
SSP_Init(LPC_SSP1,&SSP_ConfigStruct);
SSP_Cmd(LPC_SSP1, ENABLE);
}
/**
* @brief Main Function
*/
int main()
{
/* Set Systme init */
SystemInit();
// *(volatile uint32_t *)(0x41001014) = 0x0060100; //clock setting 48MHz
/* CLK OUT Set */
// PAD_AFConfig(PAD_PA,GPIO_Pin_2, PAD_AF2); // PAD Config - CLKOUT used 3nd Function
/* < SSP_StructInit default values
SSP_InitStructure.SSP_SerialClockRate = 0x00;
SSP_InitStructure.SSP_FrameFormat = SSP_FrameFormat_MO;
SSP_InitStructure.SSP_CPHA = SSP_CPHA_1Edge;
SSP_InitStructure.SSP_CPOL = SSP_CPOL_Low;
SSP_InitStructure.SSP_DataSize = SSP_DataSize_8b;
SSP_InitStructure.SSP_SOD = SSP_SOD_RESET;
SSP_InitStructure.SSP_Mode = SSP_Mode_Master;
SSP_InitStructure.SSP_NSS = SSP_NSS_Hard;
SSP_InitStructure.SSP_LBM = SSP_LBM_RESET;
SSP_InitStructure.SSP_SSE = SSP_SSE_SET;
SSP_InitStructure.SSP_BaudRatePrescaler = SSP_BaudRatePrescaler_2;
*/
/* SSP0 Init -- SSP Master */
SSP_StructInit(&SSP0_InitStructure);
SSP0_InitStructure.SSP_FrameFormat = SSP_FrameFormat_MO; // Motorora SPI mode
SSP0_InitStructure.SSP_DataSize = SSP_DataSize_16b;
SSP_Init(SSP0,&SSP0_InitStructure);
/* SSP1 Init -- SSP Slave */
SSP_StructInit(&SSP1_InitStructure);
SSP1_InitStructure.SSP_DataSize = SSP_DataSize_16b;
SSP1_InitStructure.SSP_Mode = SSP_Mode_Slave; // SSP1 = Slave
SSP_Init(SSP1,&SSP1_InitStructure);
/* GPIO LED(R) Setting */
GPIO_InitDef.GPIO_Pin = GPIO_Pin_8; // Connecting GPIO_Pin_8(LED(R))
GPIO_InitDef.GPIO_Mode = GPIO_Mode_OUT; // Set to GPIO Mode to Output Port
GPIO_Init(GPIOC, &GPIO_InitDef); // Set to GPIOC
PAD_AFConfig(PAD_PC,GPIO_Pin_8, PAD_AF1); // PAD Config - LED used 2nd Function
/* GPIO LED(G) Setting */
GPIO_InitDef.GPIO_Pin = GPIO_Pin_9; // Connecting GPIO_Pin_9(LED(G))
GPIO_InitDef.GPIO_Mode = GPIO_Mode_OUT; // Set to GPIO Mode to Output Port
GPIO_Init(GPIOC, &GPIO_InitDef); // Set to GPIOC
PAD_AFConfig(PAD_PC,GPIO_Pin_9, PAD_AF1); // PAD Config - LED used 2nd Function
GPIO_SetBits(GPIOC, GPIO_Pin_8); // LED red off
GPIO_SetBits(GPIOC, GPIO_Pin_9); // LED green off
/* Send only data to SSP1 */
for (TxIdx=0; TxIdx<BufferSize; TxIdx++)
{
SSP_SendData(SSP0, SSP0_Buffer_Tx[TxIdx]);
while( SSP_GetFlagStatus(SSP0, SSP_FLAG_BSY) );
}
/* Receive only data from SSP0 */
while(SSP_GetFlagStatus(SSP1, SSP_FLAG_RNE))
{
SSP1_Buffer_Rx[RxIdx] = (uint16_t)SSP_ReceiveData(SSP1);
RxIdx++;
}
/* Check the received data with the send ones */
TransferStatus = Buffercmp(SSP0_Buffer_Tx, SSP1_Buffer_Rx, BufferSize);
/* TransferStatus = PASSED, if the data transmitted and received are correct */
/* TransferStatus = FAILED, if the data transmitted and received are different */
if(TransferStatus == PASSED)
{
GPIO_ResetBits(GPIOC, GPIO_Pin_9); //Received are correct == LED green On
}
else if(TransferStatus == FAILED)
{
GPIO_ResetBits(GPIOC, GPIO_Pin_8); //Received are different == LED red On
}
}
/* SSP_LoopBack function */
void SSP_LoopBack(void)
{
SSP_InitTypeDef initSSP;
SSP_FIFOState fifoState;
uint16_t datTx = 0U; /* must use 16bit type */
uint32_t cntTx = 0U;
uint32_t cntRx = 0U;
uint16_t receive = 0U;
uint16_t Rx_Buf[MAX_BUFSIZE] = { 0U };
uint16_t Tx_Buf[MAX_BUFSIZE] = { 0U };
SystemInit();
/* enable the LED on board to display some info */
UART_Configuration(UART);
UART_Print(UART, "This is an example for SSP module!\n\r");
/* configure the SSP module */
initSSP.FrameFormat = SSP_FORMAT_SPI;
/* default is to run at maximum bit rate */
initSSP.PreScale = 2U;
initSSP.ClkRate = 1U;
/* define BITRATE_MIN to run at minimum bit rate */
/* BitRate = fSYS / (PreScale x (1 + ClkRate)) */
#ifdef BITRATE_MIN
initSSP.PreScale = 254U;
initSSP.ClkRate = 255U;
#endif
initSSP.ClkPolarity = SSP_POLARITY_LOW;
initSSP.ClkPhase = SSP_PHASE_FIRST_EDGE;
initSSP.DataSize = 16U;
initSSP.Mode = SSP_MASTER;
SSP_Init(&initSSP);
/* enable loop back mode for self test */
SSP_SetLoopBackMode(ENABLE);
/* enable and run SSP module */
SSP_Enable();
while (1) {
datTx++;
/* send data if Tx FIFO is available */
fifoState = SSP_GetFIFOState(SSP_TX);
if ((fifoState == SSP_FIFO_EMPTY) || (fifoState == SSP_FIFO_NORMAL)) {
SSP_SetTxData(datTx);
if (cntTx < MAX_BUFSIZE) {
Tx_Buf[cntTx] = datTx;
cntTx++;
} else {
/* do nothing */
}
} else {
/* do nothing */
}
/* check if there is data arrived */
fifoState = SSP_GetFIFOState(SSP_RX);
if ((fifoState == SSP_FIFO_FULL) || (fifoState == SSP_FIFO_NORMAL)) {
receive = SSP_GetRxData();
if (cntRx < MAX_BUFSIZE) {
Rx_Buf[cntRx] = receive;
cntRx++;
} else {
/* Place a break point here to check if receive data is right. */
/* Success Criteria: */
/* Every data transmited from Tx_Buf is received in Rx_Buf. */
/* When the line "#define BITRATE_MIN" is commented, the SSP is run in maxium */
/* bit rate, so we can find there is enough time to transmit date from 1 to */
/* MAX_BUFSIZE one by one. but if we uncomment that line, SSP is run in */
/* minimum bit rate, we will find that receive data can't catch "datTx++", */
/* in this so slow bit rate, when the Tx FIFO is available, the cntTx has */
/* been increased so much. */
__NOP();
}
} else {
/* do nothing */
}
sprintf(message, "Received data is %d\n\r" + (uint8_t)(receive / 8000));
UART_Print(UART, message);
}
}
void spi_init(spi_t *obj, PinName mosi, PinName miso, PinName sclk, PinName ssel)
{
SSP_InitTypeDef config;
// Check pin parameters
SPIName spi_mosi = (SPIName)pinmap_peripheral(mosi, PinMap_SPI_MOSI);
SPIName spi_miso = (SPIName)pinmap_peripheral(miso, PinMap_SPI_MISO);
SPIName spi_sclk = (SPIName)pinmap_peripheral(sclk, PinMap_SPI_SCLK);
SPIName spi_ssel = (SPIName)pinmap_peripheral(ssel, PinMap_SPI_SSEL);
SPIName spi_data = (SPIName)pinmap_merge(spi_mosi, spi_miso);
SPIName spi_cntl = (SPIName)pinmap_merge(spi_sclk, spi_ssel);
obj->module = (SPIName)pinmap_merge(spi_data, spi_sclk);
obj->module = (SPIName)pinmap_merge(spi_data, spi_cntl);
MBED_ASSERT((int)obj->module!= NC);
// Identify SPI module to use
switch ((int)obj->module) {
case SPI_0:
obj->spi = TSB_SSP0;
break;
case SPI_1:
obj->spi = TSB_SSP1;
break;
case SPI_2:
obj->spi = TSB_SSP2;
break;
default:
obj->spi= NULL;
obj->module = (SPIName)NC;
error("Cannot found SPI module corresponding with input pins.");
break;
}
// pin out the spi pins
pinmap_pinout(mosi, PinMap_SPI_MOSI);
pinmap_pinout(miso, PinMap_SPI_MISO);
pinmap_pinout(sclk, PinMap_SPI_SCLK);
if (ssel != NC) {
pinmap_pinout(ssel, PinMap_SPI_SSEL);
}
// Declare Config
config.FrameFormat = SSP_FORMAT_SPI;
// bit_rate = Fsys / (clk_prescale * (clk_rate + 1))
config.PreScale = 48;
config.ClkRate = 0;
config.ClkPolarity = SSP_POLARITY_LOW;
config.ClkPhase = SSP_PHASE_FIRST_EDGE;
config.DataSize = 0x08;
obj->bits = config.DataSize;
config.Mode = SSP_MASTER;
SSP_Init(obj->spi, &config);
// Disable all interrupt
SSP_SetINTConfig(obj->spi, SSP_INTCFG_NONE);
SSP_Enable(obj->spi);
}
/*********************************************************************//**
* @brief Main SSP program body
**********************************************************************/
int c_entry(void)
{
GPDMA_Channel_CFG_Type GPDMACfg;
PINSEL_CFG_Type PinCfg;
// DeInit NVIC and SCBNVIC
NVIC_DeInit();
NVIC_SCBDeInit();
/* Configure the NVIC Preemption Priority Bits:
* two (2) bits of preemption priority, six (6) bits of sub-priority.
* Since the Number of Bits used for Priority Levels is five (5), so the
* actual bit number of sub-priority is three (3)
*/
NVIC_SetPriorityGrouping(0x05);
// Set Vector table offset value
#if (__RAM_MODE__==1)
NVIC_SetVTOR(0x10000000);
#else
NVIC_SetVTOR(0x00000000);
#endif
/*
* Initialize SPI pin connect
* P0.15 - SCK;
* P0.16 - SSEL
* P0.17 - MISO
* P0.18 - MOSI
*/
PinCfg.Funcnum = 2;
PinCfg.OpenDrain = 0;
PinCfg.Pinmode = 0;
PinCfg.Portnum = 0;
PinCfg.Pinnum = 15;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 17;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 18;
PINSEL_ConfigPin(&PinCfg);
PinCfg.Pinnum = 16;
PINSEL_ConfigPin(&PinCfg);
/*
* Initialize debug via UART
*/
debug_frmwrk_init();
// print welcome screen
print_menu();
/* Initializing SSP device section ------------------------------------------------------ */
// initialize SSP configuration structure to default
SSP_ConfigStructInit(&SSP_ConfigStruct);
// Initialize SSP peripheral with parameter given in structure above
SSP_Init(LPC_SSP0, &SSP_ConfigStruct);
// Enable SSP peripheral
SSP_Cmd(LPC_SSP0, ENABLE);
/* GPDMA Interrupt configuration section ------------------------------------------------- */
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(DMA_IRQn, ((0x01<<3)|0x01));
/* Enable SSP0 interrupt */
NVIC_EnableIRQ(DMA_IRQn);
/* Initializing Buffer section ----------------------------------------------------------- */
Buffer_Init();
/* Initialize GPDMA controller */
GPDMA_Init();
/* Setting GPDMA interrupt */
// Disable interrupt for DMA
NVIC_DisableIRQ (DMA_IRQn);
/* preemption = 1, sub-priority = 1 */
NVIC_SetPriority(DMA_IRQn, ((0x01<<3)|0x01));
/* Configure GPDMA channel 0 -------------------------------------------------------------*/
/* DMA Channel 0 */
GPDMACfg.ChannelNum = 0;
// Source memory
GPDMACfg.SrcMemAddr = (uint32_t) &dma_src;
// Destination memory - Not used
GPDMACfg.DstMemAddr = 0;
// Transfer size
GPDMACfg.TransferSize = sizeof(dma_src);
// Transfer width - not used
GPDMACfg.TransferWidth = 0;
// Transfer type
GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_M2P;
// Source connection - unused
GPDMACfg.SrcConn = 0;
// Destination connection
GPDMACfg.DstConn = GPDMA_CONN_SSP0_Tx;
// Linker List Item - unused
GPDMACfg.DMALLI = 0;
// Setup channel with given parameter
GPDMA_Setup(&GPDMACfg, GPDMA_Callback0);
/* Reset terminal counter */
Channel0_TC = 0;
/* Reset Error counter */
Channel0_Err = 0;
/* Configure GPDMA channel 1 -------------------------------------------------------------*/
/* DMA Channel 1 */
GPDMACfg.ChannelNum = 1;
// Source memory - not used
GPDMACfg.SrcMemAddr = 0;
// Destination memory - Not used
GPDMACfg.DstMemAddr = (uint32_t) &dma_dst;
// Transfer size
GPDMACfg.TransferSize = sizeof(dma_dst);
// Transfer width - not used
GPDMACfg.TransferWidth = 0;
// Transfer type
GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_P2M;
// Source connection
GPDMACfg.SrcConn = GPDMA_CONN_SSP0_Rx;
// Destination connection - not used
GPDMACfg.DstConn = 0;
// Linker List Item - unused
GPDMACfg.DMALLI = 0;
// Setup channel with given parameter
GPDMA_Setup(&GPDMACfg, GPDMA_Callback1);
/* Reset terminal counter */
Channel1_TC = 0;
/* Reset Error counter */
Channel1_Err = 0;
_DBG_("Start transfer...");
// Enable Tx and Rx DMA on SSP0
SSP_DMACmd (LPC_SSP0, SSP_DMA_RX, ENABLE);
SSP_DMACmd (LPC_SSP0, SSP_DMA_TX, ENABLE);
// Enable GPDMA channel 0
GPDMA_ChannelCmd(0, ENABLE);
// Enable GPDMA channel 0
GPDMA_ChannelCmd(1, ENABLE);
// Enable interrupt for DMA
NVIC_EnableIRQ (DMA_IRQn);
/* Wait for GPDMA processing complete */
while (((Channel0_TC == 0) && (Channel0_Err == 0)) \
|| ((Channel1_TC == 0) && (Channel1_Err ==0)));
/* Verify buffer */
Buffer_Verify();
_DBG_("Verify complete!");
/* Loop forever */
while(1);
return 1;
}
void main(void)
#endif
{
RST_CLK_DeInit();
RST_CLK_CPU_PLLconfig (RST_CLK_CPU_PLLsrcHSIdiv2,0);
/* Enable peripheral clocks --------------------------------------------------*/
RST_CLK_PCLKcmd((RST_CLK_PCLK_RST_CLK | RST_CLK_PCLK_SSP1 | RST_CLK_PCLK_SSP2 | RST_CLK_PCLK_DMA),ENABLE);
RST_CLK_PCLKcmd((RST_CLK_PCLK_PORTF | RST_CLK_PCLK_PORTD), ENABLE);
/* Init NVIC */
SCB->AIRCR = 0x05FA0000 | ((uint32_t)0x500);
SCB->VTOR = 0x08000000;
/* Disable all interrupt */
NVIC->ICPR[0] = 0xFFFFFFFF;
NVIC->ICER[0] = 0xFFFFFFFF;
/* Disable all DMA request */
MDR_DMA->CHNL_REQ_MASK_CLR = 0xFFFFFFFF;
MDR_DMA->CHNL_USEBURST_CLR = 0xFFFFFFFF;
/* Reset PORTD settings */
PORT_DeInit(MDR_PORTD);
/* Reset PORTF settings */
PORT_DeInit(MDR_PORTF);
/* Configure SSP2 pins: FSS, CLK, RXD, TXD */
/* Configure PORTD pins 2, 3, 5, 6 */
PORT_InitStructure.PORT_Pin = (PORT_Pin_2 | PORT_Pin_3 | PORT_Pin_5);
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_InitStructure.PORT_FUNC = PORT_FUNC_ALTER;
PORT_InitStructure.PORT_MODE = PORT_MODE_DIGITAL;
PORT_InitStructure.PORT_SPEED = PORT_SPEED_FAST;
PORT_Init(MDR_PORTD, &PORT_InitStructure);
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_InitStructure.PORT_Pin = (PORT_Pin_6);
PORT_Init(MDR_PORTD, &PORT_InitStructure);
/* Configure SSP1 pins: FSS, CLK, RXD, TXD */
/* Configure PORTF pins 0, 1, 2, 3 */
PORT_InitStructure.PORT_Pin = (PORT_Pin_3);
PORT_InitStructure.PORT_OE = PORT_OE_IN;
PORT_Init(MDR_PORTF, &PORT_InitStructure);
PORT_InitStructure.PORT_Pin = (PORT_Pin_0 | PORT_Pin_1 | PORT_Pin_2);
PORT_InitStructure.PORT_OE = PORT_OE_OUT;
PORT_Init(MDR_PORTF, &PORT_InitStructure);
/* Init RAM */
Init_RAM (DstBuf1, BufferSize);
Init_RAM (SrcBuf1, BufferSize);
Init_RAM (DstBuf2, BufferSize);
Init_RAM (SrcBuf2, BufferSize);
/* Reset all SSP settings */
SSP_DeInit(MDR_SSP1);
SSP_DeInit(MDR_SSP2);
SSP_BRGInit(MDR_SSP1,SSP_HCLKdiv16);
SSP_BRGInit(MDR_SSP2,SSP_HCLKdiv16);
/* SSP1 MASTER configuration ------------------------------------------------*/
SSP_StructInit (&sSSP);
sSSP.SSP_SCR = 0x10;
sSSP.SSP_CPSDVSR = 2;
sSSP.SSP_Mode = SSP_ModeMaster;
sSSP.SSP_WordLength = SSP_WordLength16b;
sSSP.SSP_SPH = SSP_SPH_1Edge;
sSSP.SSP_SPO = SSP_SPO_Low;
sSSP.SSP_FRF = SSP_FRF_SPI_Motorola;
sSSP.SSP_HardwareFlowControl = SSP_HardwareFlowControl_SSE;
SSP_Init (MDR_SSP1,&sSSP);
/* SSP2 SLAVE configuration ------------------------------------------------*/
sSSP.SSP_SPH = SSP_SPH_1Edge;
sSSP.SSP_SPO = SSP_SPO_Low;
sSSP.SSP_CPSDVSR = 12;
sSSP.SSP_Mode = SSP_ModeSlave;
SSP_Init (MDR_SSP2,&sSSP);
/* Enable SSP1 DMA Rx and Tx request */
SSP_DMACmd(MDR_SSP1,(SSP_DMA_RXE | SSP_DMA_TXE), ENABLE);
/* Enable SSP2 DMA Rx and Tx request */
SSP_DMACmd(MDR_SSP2,(SSP_DMA_RXE | SSP_DMA_TXE), ENABLE);
/* Reset all DMA settings */
DMA_DeInit();
DMA_StructInit(&DMA_InitStr);
/* DMA_Channel_SSP1_RX configuration ---------------------------------*/
/* Set Primary Control Data */
DMA_PriCtrlStr.DMA_SourceBaseAddr = (uint32_t)(&(MDR_SSP1->DR));
DMA_PriCtrlStr.DMA_DestBaseAddr = (uint32_t)DstBuf1;
DMA_PriCtrlStr.DMA_SourceIncSize = DMA_SourceIncNo;
DMA_PriCtrlStr.DMA_DestIncSize = DMA_DestIncHalfword;
DMA_PriCtrlStr.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_PriCtrlStr.DMA_Mode = DMA_Mode_Basic;
DMA_PriCtrlStr.DMA_CycleSize = BufferSize;
DMA_PriCtrlStr.DMA_NumContinuous = DMA_Transfers_4;
DMA_PriCtrlStr.DMA_SourceProtCtrl = DMA_SourcePrivileged;
DMA_PriCtrlStr.DMA_DestProtCtrl = DMA_DestPrivileged;
/* Set Channel Structure */
DMA_InitStr.DMA_PriCtrlData = &DMA_PriCtrlStr;
DMA_InitStr.DMA_Priority = DMA_Priority_High;
DMA_InitStr.DMA_UseBurst = DMA_BurstClear;
DMA_InitStr.DMA_SelectDataStructure = DMA_CTRL_DATA_PRIMARY;
/* Init DMA channel */
DMA_Init(DMA_Channel_SSP1_RX, &DMA_InitStr);
/* DMA_Channel_SSP2_RX configuration ---------------------------------*/
/* Set Primary Control Data */
DMA_PriCtrlStr.DMA_SourceBaseAddr = (uint32_t)(&(MDR_SSP2->DR));
DMA_PriCtrlStr.DMA_DestBaseAddr = (uint32_t)DstBuf2;
/* Init DMA channel */
DMA_Init(DMA_Channel_SSP2_RX, &DMA_InitStr);
/* DMA_Channel_SSP1_TX configuration ---------------------------------*/
/* Set Primary Control Data */
DMA_PriCtrlStr.DMA_SourceBaseAddr = (uint32_t)SrcBuf1;
DMA_PriCtrlStr.DMA_DestBaseAddr = (uint32_t)(&(MDR_SSP1->DR));
DMA_PriCtrlStr.DMA_SourceIncSize = DMA_SourceIncHalfword;
DMA_PriCtrlStr.DMA_DestIncSize = DMA_DestIncNo;
DMA_InitStr.DMA_Priority = DMA_Priority_Default;
/* Init DMA channel */
DMA_Init(DMA_Channel_SSP1_TX, &DMA_InitStr);
/* DMA_Channel_SSP2_TX configuration ---------------------------------*/
/* Set Primary Control Data */
DMA_PriCtrlStr.DMA_SourceBaseAddr = (uint32_t)SrcBuf2;
DMA_PriCtrlStr.DMA_DestBaseAddr = (uint32_t)(&(MDR_SSP2->DR));
/* Init DMA channel */
DMA_Init(DMA_Channel_SSP2_TX, &DMA_InitStr);
/* Enable SSP1 */
SSP_Cmd(MDR_SSP1, ENABLE);
/* Enable SSP2 */
SSP_Cmd(MDR_SSP2, ENABLE);
/* Transfer complete */
while((SSP_GetFlagStatus(MDR_SSP1, SSP_FLAG_BSY)))
{
}
while((SSP_GetFlagStatus(MDR_SSP2, SSP_FLAG_BSY)))
{
}
/* Check the corectness of written dada */
TransferStatus1 = Verif_mem ((BufferSize), SrcBuf1, DstBuf2);
TransferStatus2 = Verif_mem ((BufferSize), SrcBuf2, DstBuf1);
/* TransferStatus1, TransferStatus2 = PASSED, if the data transmitted and received
are correct */
/* TransferStatus1, TransferStatus2 = FAILED, if the data transmitted and received
are different */
while(1)
{
}
}
