void Init_GPIOs (void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
conf_analog_all_GPIOS(); /* configure all GPIOs as analog input */
/* Enable GPIOs clock */
RCC_AHBPeriphClockCmd(LD_GPIO_PORT_CLK | USERBUTTON_GPIO_CLK, ENABLE);
/* USER button and WakeUP button init: GPIO set in input interrupt active mode */
/* Configure User Button pin as input */
GPIO_InitStructure.GPIO_Pin = USERBUTTON_GPIO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_40MHz;
GPIO_Init(USERBUTTON_GPIO_PORT, &GPIO_InitStructure);
/* Connect Button EXTI Line to Button GPIO Pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA,EXTI_PinSource0);
/* Configure User Button and IDD_WakeUP EXTI line */
EXTI_InitStructure.EXTI_Line = EXTI_Line0 ; // PA0 for User button AND IDD_WakeUP
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set User Button and IDD_WakeUP EXTI Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn ;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Configure the GPIO_LED pins LD3 & LD4*/
GPIO_InitStructure.GPIO_Pin = LD_GREEN_GPIO_PIN | LD_BLUE_GPIO_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(LD_GPIO_PORT, &GPIO_InitStructure);
GPIO_LOW(LD_GPIO_PORT, LD_GREEN_GPIO_PIN);
GPIO_LOW(LD_GPIO_PORT, LD_BLUE_GPIO_PIN);
/* Disable all GPIOs clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA | RCC_AHBPeriph_GPIOB |
RCC_AHBPeriph_GPIOC | RCC_AHBPeriph_GPIOD |
RCC_AHBPeriph_GPIOE | RCC_AHBPeriph_GPIOH, DISABLE);
}
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_md.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Configure Clocks for Application need */
RCC_Configuration();
uint8_t rxBuf[4];
uint8_t txBuf[16];
uint8_t chByte[2];
uint8_t chMainStep=MAIN_STEP_IDLE;
int16_t* iCurentAdcValue=(int16_t*)chByte; // теперь тут будет лежать последнее измеренное число
/* Configure RTC Clocks */
RTC_Configuration();
/* Enable debug features in low power modes (Sleep, STOP and STANDBY) */
#ifdef DEBUG_SWD_PIN
DBGMCU_Config(DBGMCU_SLEEP | DBGMCU_STOP | DBGMCU_STANDBY, ENABLE);
#endif
/* Configure SysTick IRQ and SysTick Timer to generate interrupts */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 500);
/* Init I/O ports */
conf_analog_all_GPIOS(); /* configure all GPIOs as analog input */
InitButton();
MesureCurInit();
LCD_GLASS_Init();/* Initializes the LCD glass */
// RCC_AHBPeriphClockCmd(LD_GPIO_PORT_CLK , ENABLE);
//RCC_AHBPeriphClockCmd(LD_GPIO_PORT_CLK | P_GATE1_GPIO_PORT_CLK |
/// P_GATE2_GPIO_PORT_CLK | N_GATE1_GPIO_PORT_CLK |
// N_GATE2_GPIO_PORT_CLK , ENABLE);
Delay.Init();
DbgUART.UART_Init(USART3);
i2cMgr.SetDbgUART(&DbgUART);
i2cMgr.Init();
calipers.Init();
calipers.Callback=CallBackCalipers;
// Setup i2cCmd to write config data to ADC
txBuf[0]=0x88; //Bits 3 and 2 control the ADS1100Тs data rate "1 0"= 16SPS
I2C_command.Address=0x48;
I2C_command.DataToRead.Length = 0;
I2C_command.DataToRead.Buf=rxBuf;
I2C_command.DataToWrite.Buf = txBuf;
I2C_command.DataToWrite.Length = 1;
I2C_command.Callback=CallBackI2C;
i2cMgr.AddCmd(I2C_command);
// Setup i2cCmd to read data from ADC
I2C_command.Address=0x48;
I2C_command.DataToRead.Length = 4;
I2C_command.DataToRead.Buf=rxBuf;
I2C_command.DataToWrite.Buf = txBuf;
I2C_command.DataToWrite.Length = 0;
I2C_command.Callback=CallBackI2C;
/* Display Welcome message */
// LCD_GLASS_ScrollSentence((uint8_t*)" CELESTIA ONLINE ",1,SCROLL_SPEED);
Delay.Reset(&TimeDelay);
Delay.Reset(&DbgDelay);
MesureCurStop();
char chI2cCounter=0;
MesureCurUpward();
chflagI2C=1;
while(1){
i2cMgr.Task();
calipers.Task();
switch (chMainStep)
{
case MAIN_STEP_IDLE:
if (calipers.GetState()==SPI_END_RX) //при выходе из холостго режима пропускаем первый отсчет со штангена, чтобы ток в датчике
{
chMainStep=MAIN_STEP_WAIT_CALIPERS_START;
DbgUART.SendPrintF("OUT IDLE \n");
MesureCurUpward(); // включаем ток
chflagI2C=0;
}
break;
case MAIN_STEP_WAIT_CALIPERS_START:
if (calipers.GetState()==SPI_IDLE) // давно небыло посылок с штангена,
{
DbgUART.SendPrintF("IN IDLE \n");
chMainStep=MAIN_STEP_IDLE; // переходим в холостой режим
MesureCurStop(); //отключаем ток в датчике.
}
if (calipers.GetState()==SPI_START_RX) // начало приема данных со штангена
{
//DbgUART.SendPrintF("IN I2C \n");
chMainStep=MAIN_STEP_WAIT_I2C;
i2cMgr.AddCmd(I2C_command);
}
break;
case MAIN_STEP_WAIT_I2C:
if (chflagI2C==1) // закончилась работа с I2C
{
chMainStep=MAIN_STEP_WAIT_CALIPERS_END;
MesureCurToggle(); // переключаем направление тока
}
break;
case MAIN_STEP_WAIT_CALIPERS_END:
if (calipers.GetState()==SPI_END_RX) // закончилcz прием данных о штангена
{
chByte[0]=rxBuf[1];
chByte[1]=rxBuf[0];
DbgUART.SendPrintF("ACD_VAL=%d \n",*iCurentAdcValue);
LCD_GLASS_Clear();
tiny_sprintf(strDisp, " %d ", calipers.iSpiDataRx );
LCD_GLASS_DisplayString( (unsigned char *) strDisp );
DbgUART.SendPrintF("CALIPERS_VAL=%d \n",calipers.iSpiDataRx);
DbgUART.SendPrintF("OUT I2CE \n");
chMainStep=MAIN_STEP_WAIT_CALIPERS_START;
}
break;
} //switch
// if (Delay.Elapsed(&DbgDelay,100)) DbgUART.SendPrintF("i2c flag=%d main_state=%d \n ",chflagI2C, chMainStep) ;
/* if (chflagI2C==1) // закончилась работа с I2C
{
MesureCurToggle();
chflagI2C=0;
}
if (Delay.Elapsed(&DbgDelay,250))
{
if (chI2cCounter<=10)
{
//MesureCurToggle();
chByte[0]=rxBuf[1];
chByte[1]=rxBuf[0];
DbgUART.SendPrintF("ACD_VAL=%d \n",*iCurentAdcValue);
rxBuf[0]=0;
rxBuf[1]=0;
chI2cCounter++;
//chflagI2C=0;
i2cMgr.AddCmd(I2C_command);
}
}
*/
if (flag_UserButton == TRUE)
{
clearUserButtonFlag();
chI2cCounter=0;
}
}
}