void LED_Init(void)
{
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOB);
LL_GPIO_SetPinMode(GPIOB, LL_GPIO_PIN_6, LL_GPIO_MODE_OUTPUT);
LL_GPIO_SetPinPull(GPIOB, LL_GPIO_PIN_6, LL_GPIO_PULL_NO);
LL_GPIO_SetPinSpeed(GPIOB, LL_GPIO_PIN_6, LL_GPIO_SPEED_FREQ_HIGH);
LL_GPIO_SetPinMode(GPIOB, LL_GPIO_PIN_7, LL_GPIO_MODE_OUTPUT);
LL_GPIO_SetPinPull(GPIOB, LL_GPIO_PIN_7, LL_GPIO_PULL_NO);
LL_GPIO_SetPinSpeed(GPIOB, LL_GPIO_PIN_7, LL_GPIO_SPEED_FREQ_HIGH);
}
/**
* @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.
* @param GPIOx GPIO Port
* @param GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
* that contains the configuration information for the specified GPIO peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content
* - ERROR: Not applicable
*/
ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
{
uint32_t pinmask;
uint32_t pinpos;
uint32_t currentpin;
/* Check the parameters */
assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));
/* ------------------------- Configure the port pins ---------------- */
/* Initialize pinpos on first pin set */
pinmask = ((GPIO_InitStruct->Pin) << GPIO_PIN_MASK_POS) >> GPIO_PIN_NB;
pinpos = POSITION_VAL(pinmask);
/* Configure the port pins */
while ((pinmask >> pinpos) != 0U)
{
/* skip if bit is not set */
if ((pinmask & (1U << pinpos)) != 0U)
{
/* Get current io position */
if (pinpos < GPIO_PIN_MASK_POS)
{
currentpin = (0x00000101U << pinpos);
}
else
{
currentpin = ((0x00010001U << (pinpos - GPIO_PIN_MASK_POS)) | 0x04000000U);
}
/* Check Pin Mode and Pin Pull parameters */
assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
/* Pin Mode configuration */
LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
/* Pull-up Pull-down resistor configuration*/
LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
{
/* Check speed and Output mode parameters */
assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed));
assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));
/* Speed mode configuration */
LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);
/* Output mode configuration*/
LL_GPIO_SetPinOutputType(GPIOx, currentpin, GPIO_InitStruct->OutputType);
}
}
pinpos++;
}
return (SUCCESS);
}
/**
* @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.
* @param GPIOx GPIO Port
* @param GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
* that contains the configuration information for the specified GPIO peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content
* - ERROR: Not applicable
*/
ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
{
uint32_t pinpos = 0x00000000U;
uint32_t currentpin = 0x00000000U;
/* Check the parameters */
assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));
assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
/* ------------------------- Configure the port pins ---------------- */
/* Initialize pinpos on first pin set */
pinpos = POSITION_VAL(GPIO_InitStruct->Pin);
/* Configure the port pins */
while ((((GPIO_InitStruct->Pin) & 0x0000FFFFU) >> pinpos) != 0x00000000U)
{
/* Get current io position */
if(pinpos <8 )
{
currentpin = (GPIO_InitStruct->Pin) & (0x00000101U << pinpos);
}
else
{
currentpin = (GPIO_InitStruct->Pin) & ((0x00010001U << (pinpos-8)) | 0x04000000U);
}
if (currentpin)
{
/* Pin Mode configuration */
LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
/* Pull-up Pull down resistor configuration*/
LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_FLOATING))
{
/* Speed mode configuration */
LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);
}
}
pinpos++;
}
if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_FLOATING))
{
/* Check Output mode parameters */
assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));
/* Output mode configuration*/
LL_GPIO_SetPinOutputType(GPIOx, GPIO_InitStruct->Pin, GPIO_InitStruct->OutputType);
}
return (SUCCESS);
}
void TI_TriggerInit(void)
{
uint32_t TIM2_clk;
/******************************/
/* Peripheral clocks enabling */
/******************************/
/* Enable the peripheral clock of GPIOs */
LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOA);
/* Enable the peripheral clock of TIM2 */
LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_TIM2);
/*************************/
/* GPIO AF configuration */
/*************************/
/* GPIO TIM2_CH1 configuration */
LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_5, LL_GPIO_MODE_ALTERNATE);
LL_GPIO_SetPinPull(GPIOA, LL_GPIO_PIN_5, LL_GPIO_PULL_DOWN);
LL_GPIO_SetPinSpeed(GPIOA, LL_GPIO_PIN_5, LL_GPIO_SPEED_FREQ_HIGH);
LL_GPIO_SetAFPin_0_7(GPIOA, LL_GPIO_PIN_5, LL_GPIO_AF_1);
/* GPIO TIM2_CH2 configuration */
LL_GPIO_SetPinMode(GPIOA, LL_GPIO_PIN_1, LL_GPIO_MODE_ALTERNATE);
LL_GPIO_SetPinPull(GPIOA, LL_GPIO_PIN_1, LL_GPIO_PULL_DOWN);
LL_GPIO_SetPinSpeed(GPIOA, LL_GPIO_PIN_1, LL_GPIO_SPEED_FREQ_HIGH);
LL_GPIO_SetAFPin_0_7(GPIOA, LL_GPIO_PIN_1, LL_GPIO_AF_1);
/*******************************/
/* Input trigger configuration */
/*******************************/
/* Map TI2FP2 on TI2 */
LL_TIM_IC_SetActiveInput(TIM2, LL_TIM_CHANNEL_CH2, LL_TIM_ACTIVEINPUT_DIRECTTI);
/* TI2FP2 must detect a rising edge */
LL_TIM_IC_SetPolarity(TIM2, LL_TIM_CHANNEL_CH2, LL_TIM_IC_POLARITY_RISING);
/* Configure TI2FP2 as trigger */
LL_TIM_SetTriggerInput(TIM2, LL_TIM_TS_TI2FP2);
/* Enable the slave mode controller: TI2FP2 is used to start the counter */
LL_TIM_SetSlaveMode(TIM2, LL_TIM_SLAVEMODE_TRIGGER);
/*********************************/
/* Output waveform configuration */
/*********************************/
/* Select counter mode: counting up */
LL_TIM_SetCounterMode(TIM2, LL_TIM_COUNTERMODE_UP);
/* Set the one pulse mode: generate only 1 pulse */
LL_TIM_SetOnePulseMode(TIM2, LL_TIM_ONEPULSEMODE_SINGLE);
/* In this example TIM2 input clock (TIM2CLK) is set to APB1 clock (PCLK1), */
/* since APB1 pre-scaler is equal to /2*2 = 1. */
/* TIM2CLK = PCLK1 */
/* PCLK1 = HCLK */
/* => TIM2CLK = SystemCoreClock (32 MHz) */
TIM2_clk = SystemCoreClock/1;
/* Set the TIM2 prescaler to get counter clock frequency at 2 kHz */
LL_TIM_SetPrescaler(TIM2, __LL_TIM_CALC_PSC(TIM2_clk, 2000));
/* Set the capture/compare register to get a pulse delay of 2s (2000000 us)*/
LL_TIM_OC_SetCompareCH1(TIM2, __LL_TIM_CALC_DELAY(TIM2_clk, LL_TIM_GetPrescaler(TIM2), 2000000));
/* Set the autoreload register to get a pulse length of 3s (3000000 us)*/
LL_TIM_SetAutoReload(TIM2, __LL_TIM_CALC_PULSE(TIM2_clk, LL_TIM_GetPrescaler(TIM2), 2000000, 3000000));
/* Set output channel 1 in PWM2 mode */
LL_TIM_OC_SetMode(TIM2, LL_TIM_CHANNEL_CH1, LL_TIM_OCMODE_PWM2);
/* Configure output channel 1 configuration */
LL_TIM_OC_ConfigOutput(TIM2, LL_TIM_CHANNEL_CH1, LL_TIM_OCPOLARITY_HIGH);
/**************************/
/* Start pulse generation */
/**************************/
/* Enable channel 1 */
LL_TIM_CC_EnableChannel(TIM2, LL_TIM_CHANNEL_CH1);
/* Enable auto-reload register preload */
LL_TIM_EnableARRPreload(TIM2);
/* Force update generation */
LL_TIM_GenerateEvent_UPDATE(TIM2);
}
/**
* @brief Initialize GPIO registers according to the specified parameters in GPIO_InitStruct.
* @param GPIOx GPIO Port
* @param GPIO_InitStruct: pointer to a @ref LL_GPIO_InitTypeDef structure
* that contains the configuration information for the specified GPIO peripheral.
* @retval An ErrorStatus enumeration value:
* - SUCCESS: GPIO registers are initialized according to GPIO_InitStruct content
* - ERROR: Not applicable
*/
ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
{
uint32_t pinpos = 0x00000000U;
uint32_t currentpin = 0x00000000U;
/* Check the parameters */
assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));
assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));
/* ------------------------- Configure the port pins ---------------- */
/* Initialize pinpos on first pin set */
/* pinpos = 0; useless as already done in default initialization */
/* Configure the port pins */
while (((GPIO_InitStruct->Pin) >> pinpos) != 0x00000000U)
{
/* Get current io position */
currentpin = (GPIO_InitStruct->Pin) & (0x00000001U << pinpos);
if (currentpin)
{
/* Pin Mode configuration */
LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
{
/* Check Speed mode parameters */
assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed));
/* Speed mode configuration */
LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);
}
/* Pull-up Pull down resistor configuration*/
LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);
if (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE)
{
/* Check Alternate parameter */
assert_param(IS_LL_GPIO_ALTERNATE(GPIO_InitStruct->Alternate));
/* Speed mode configuration */
if (currentpin < LL_GPIO_PIN_8)
{
LL_GPIO_SetAFPin_0_7(GPIOx, currentpin, GPIO_InitStruct->Alternate);
}
else
{
LL_GPIO_SetAFPin_8_15(GPIOx, currentpin, GPIO_InitStruct->Alternate);
}
}
}
pinpos++;
}
if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
{
/* Check Output mode parameters */
assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));
/* Output mode configuration*/
LL_GPIO_SetPinOutputType(GPIOx, GPIO_InitStruct->Pin, GPIO_InitStruct->OutputType);
}
return (SUCCESS);
}
