/**
* @brief Configure TIM1 to generate 6 Steps PWM signal
* @param None
* @retval None
*/
static void TIM1_Config(void)
{
/* TIM1 Peripheral Configuration */
TIM1_DeInit();
/* Time Base configuration */
TIM1_TimeBaseInit(0, TIM1_COUNTERMODE_UP, 4095, 0);
/* Channel 1, 2 and 3 Configuration in TIMING mode */
/* TIM1_Pulse = 2047 */
TIM1_OC1Init(TIM1_OCMODE_TIMING, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
2047, TIM1_OCPOLARITY_HIGH, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_SET);
/* TIM1_Pulse = 1023 */
TIM1_OC2Init(TIM1_OCMODE_TIMING, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE, 1023,
TIM1_OCPOLARITY_HIGH, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_SET);
/* TIM1_Pulse = 511 */
TIM1_OC3Init(TIM1_OCMODE_TIMING, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
511, TIM1_OCPOLARITY_HIGH, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_SET);
/* Automatic Output enable, Break, dead time and lock configuration*/
TIM1_BDTRConfig( TIM1_OSSISTATE_ENABLE, TIM1_LOCKLEVEL_OFF, 1, TIM1_BREAK_DISABLE,
TIM1_BREAKPOLARITY_LOW, TIM1_AUTOMATICOUTPUT_ENABLE);
TIM1_CCPreloadControl(ENABLE);
TIM1_ITConfig(TIM1_IT_COM, ENABLE);
/* TIM1 counter enable */
TIM1_Cmd(ENABLE);
}
/**
* @brief Configure TIM1 to allow sine wave generation
* @param None
* @retval None
*/
static void TIM1_Config(void)
{
TIM1_DeInit();
/* Time base configuration */
/*
TIM1_Period = INIT_TIM1_ARR
TIM1_Prescaler = 0
TIM1_RepetitionCounter=0
*/
TIM1_TimeBaseInit(0, TIM1_COUNTERMODE_UP, INIT_TIM1_ARR, 0);
/* PWM configuration */
/*
TIM1_OCMode = TIM1_OCMODE_PWM1
TIM1_OutputState = TIM1_OUTPUTSTATE_ENABLE
TIM1_Pulse = INIT_TIM1_CCR1
TIM1_OCPolarity = TIM1_OCPOLARITY_LOW
*/
TIM1_OC1Init(TIM1_OCMODE_PWM1, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_DISABLE,
INIT_TIM1_CCR1, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_LOW,
TIM1_OCIDLESTATE_RESET, TIM1_OCNIDLESTATE_RESET);
/* Update Interrupt Enable */
TIM1_ITConfig(TIM1_IT_UPDATE, ENABLE);
/* ARRPreload Enable */
TIM1_ARRPreloadConfig(ENABLE);
/* Enable TIM1 */
TIM1_Cmd(ENABLE);
/* Enable CC1 output*/
TIM1_CtrlPWMOutputs(ENABLE);
}
void initTimer(void)
{
TIM1_DeInit();
TIM1_TimeBaseInit(15, TIM1_COUNTERMODE_UP,5000-1, 0); //5MS
TIM1_ARRPreloadConfig(ENABLE);
TIM1_ITConfig(TIM1_IT_UPDATE, ENABLE);
TIM1_Cmd(ENABLE);
}
/**
* @brief Configure TIM1 to generate 3 complementary signals, to insert a
* defined dead time value, to use the break feature and to lock the
* desired parameters
* @param None
* @retval None
*/
static void TIM1_Config(void)
{
/* TIM1 Peripheral Configuration */
TIM1_DeInit();
/* Time Base configuration */
/*
TIM1_Prescaler = 0
TIM1_CounterMode = TIM1_COUNTERMODE_UP
TIM1_Period = 65535
TIM1_RepetitionCounter = 0
*/
TIM1_TimeBaseInit(0, TIM1_COUNTERMODE_UP, 65535,0);
/* Channel 1, 2 and 3 Configuration in PWM mode */
/*
TIM1_OCMode = TIM1_OCMODE_PWM2
TIM1_OutputState = TIM1_OUTPUTSTATE_ENABLE
TIM1_OutputNState = TIM1_OUTPUTNSTATE_ENABLE
TIM1_Pulse = CCR1_Val
TIM1_OCPolarity = TIM1_OCPOLARITY_LOW
TIM1_OCNPolarity = TIM1_OCNPOLARITY_LOW
TIM1_OCIdleState = TIM1_OCIDLESTATE_SET
TIM1_OCNIdleState = TIM1_OCIDLESTATE_RESET
*/
TIM1_OC1Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
CCR1_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_LOW, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_RESET);
/* TIM1_Pulse = CCR2_Val */
TIM1_OC2Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
CCR2_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_LOW, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_RESET);
/* TIM1_Pulse = CCR3_Val */
TIM1_OC3Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
CCR3_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_LOW, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_RESET);
/* Automatic Output enable, Break, dead time and lock configuration */
/*
TIM1_OSSIState = TIM1_OSSISTATE_ENABLE
TIM1_LockLevel = TIM1_LOCKLEVEL_1
TIM1_DeadTime = 117
TIM1_Break = TIM1_BREAK_ENABLE
TIM1_BreakPolarity = TIM1_BREAKPOLARITY_HIGH
TIM1_AutomaticOutput = TIM1_AUTOMATICOUTPUT_ENABLE
*/
TIM1_BDTRConfig( TIM1_OSSISTATE_ENABLE, TIM1_LOCKLEVEL_1, 117, TIM1_BREAK_ENABLE,
TIM1_BREAKPOLARITY_HIGH, TIM1_AUTOMATICOUTPUT_ENABLE);
/* TIM1 counter enable */
TIM1_Cmd(ENABLE);
/* Main Output Enable */
TIM1_CtrlPWMOutputs(ENABLE);
}
void CAN_Node_OW_init(void)
{
GPIO_Init(OW_PORT, OW_IN, GPIO_MODE_IN_FL_NO_IT); // external pull up
GPIO_Init(OW_PORT, OW_OUT, GPIO_MODE_OUT_PP_LOW_FAST);
GPIO_WriteLow(OW_PORT, OW_OUT);
// Configure TIM1 to run at 1MHz frequency.
// NOTE assuming master clock frequency is 8MHz.
TIM1_DeInit();
TIM1_TimeBaseInit(7, TIM1_COUNTERMODE_UP, 60, 0);
TIM1_SelectOnePulseMode(TIM1_OPMODE_SINGLE);
}
/**
* @brief Configure TIM1 to generate 7 PWM signals with 4 different duty cycles
* @param None
* @retval None
*/
static void TIM1_Config(void)
{
TIM1_DeInit();
/* Time Base configuration */
/*
TIM1_Period = 4095
TIM1_Prescaler = 0
TIM1_CounterMode = TIM1_COUNTERMODE_UP
TIM1_RepetitionCounter = 0
*/
TIM1_TimeBaseInit(0, TIM1_COUNTERMODE_UP, 4095, 0);
/* Channel 1, 2,3 and 4 Configuration in PWM mode */
/*
TIM1_OCMode = TIM1_OCMODE_PWM2
TIM1_OutputState = TIM1_OUTPUTSTATE_ENABLE
TIM1_OutputNState = TIM1_OUTPUTNSTATE_ENABLE
TIM1_Pulse = CCR1_Val
TIM1_OCPolarity = TIM1_OCPOLARITY_LOW
TIM1_OCNPolarity = TIM1_OCNPOLARITY_HIGH
TIM1_OCIdleState = TIM1_OCIDLESTATE_SET
TIM1_OCNIdleState = TIM1_OCIDLESTATE_RESET
*/
TIM1_OC1Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
CCR1_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_RESET);
/*TIM1_Pulse = CCR2_Val*/
TIM1_OC2Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE, CCR2_Val,
TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_RESET);
/*TIM1_Pulse = CCR3_Val*/
TIM1_OC3Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, TIM1_OUTPUTNSTATE_ENABLE,
CCR3_Val, TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH, TIM1_OCIDLESTATE_SET,
TIM1_OCNIDLESTATE_RESET);
/*TIM1_Pulse = CCR4_Val*/
TIM1_OC4Init(TIM1_OCMODE_PWM2, TIM1_OUTPUTSTATE_ENABLE, CCR4_Val, TIM1_OCPOLARITY_LOW,
TIM1_OCIDLESTATE_SET);
/* TIM1 counter enable */
TIM1_Cmd(ENABLE);
/* TIM1 Main Output Enable */
TIM1_CtrlPWMOutputs(ENABLE);
}
void led_on(void)
{
TIM1_DeInit();
/* TIM1 configuration:
* TIM1 in PWM mode without output disabled. We only interest in the interrupts.
* Period of PWM is 1024us; Duty cycle adjustable from 1/16 - 15/16.
* With 16Mhz clock, we use:
* TIM1_Period = 16 - 1
* TIM1_Prescaler = 1024 - 1
* TIM1_Pulse = [0..15]
*/
TIM1_TimeBaseInit(1023, TIM1_COUNTERMODE_UP, 15, 0);
/*
TIM1_OCMode = TIM1_OCMODE_PWM1
TIM1_OutputState = TIM1_OUTPUTSTATE_DISABLED
TIM1_OutputNState = TIM1_OUTPUTNSTATE_DISABLED
TIM1_Pulse = [1..16], change using TIM1_SetCompare1
TIM1_OCPolarity = TIM1_OCPOLARITY_LOW; Doesn't matter as output is disabled
TIM1_OCNPolarity = TIM1_OCNPOLARITY_HIGH; Doesn't matter as output is disabled
TIM1_OCIdleState = TIM1_OCIDLESTATE_SET; Doesn't matter as output is disabled
TIM1_OCNIdleState = TIM1_OCIDLESTATE_RESET; Doesn't matter as output is disabled
*/
TIM1_OC1Init
(
TIM1_OCMODE_PWM1,
TIM1_OUTPUTSTATE_DISABLE, TIM1_OUTPUTNSTATE_DISABLE,
_duty,
TIM1_OCPOLARITY_LOW, TIM1_OCNPOLARITY_HIGH,
TIM1_OCIDLESTATE_SET, TIM1_OCNIDLESTATE_RESET
);
TIM1_ITConfig((TIM1_IT_TypeDef)(TIM1_IT_UPDATE | TIM1_IT_CC1), ENABLE);
/* TIM1 Main Output disabled */
TIM1_CtrlPWMOutputs(DISABLE);
/* TIM1 counter enable */
TIM1_Cmd(ENABLE);
}
void CAN_Node_OW_deinit(void)
{
GPIO_Init(OW_PORT, OW_OUT, GPIO_MODE_IN_FL_NO_IT);
TIM1_DeInit();
}
