/**
* Automatically called by @ref gprot_register_changed()
*
* Implements the logic associated with the application specific flag register.
*/
void gprot_update_flags(void)
{
if ((gprot_flag_reg & GPROT_FLAG_PWM_COMM) != 0) {
pwm_comm();
return;
}
if ((gprot_flag_reg & GPROT_FLAG_COMM_TIM) != 0) {
if ((gprot_flag_reg_old & GPROT_FLAG_COMM_TIM) == 0) {
control_process_ignite();
}
} else {
if ((gprot_flag_reg_old & GPROT_FLAG_COMM_TIM) != 0) {
control_process_kill();
}
}
if ((gprot_flag_reg & GPROT_FLAG_ADC_COMM) != 0) {
demo = true;
} else {
if ((gprot_flag_reg_old & GPROT_FLAG_ADC_COMM) != 0) {
demo = false;
}
}
if ((gprot_flag_reg & GPROT_FLAG_ALL_LO) != 0) {
pwm_all_lo();
} else {
if ((gprot_flag_reg_old & GPROT_FLAG_ALL_LO) != 0) {
pwm_off();
}
}
if ((gprot_flag_reg & GPROT_FLAG_ALL_HI) != 0) {
pwm_all_hi();
} else {
if ((gprot_flag_reg_old & GPROT_FLAG_ALL_HI) != 0) {
pwm_off();
}
}
/* add other flags here (up to 16) */
gprot_flag_reg_old = gprot_flag_reg;
}
/**
* Initialize the three phase (6outputs) PWM peripheral and internal state.
*/
void pwm_init(void)
{
NVIC_InitTypeDef nvic;
GPIO_InitTypeDef gpio;
TIM_TimeBaseInitTypeDef tim_base;
TIM_OCInitTypeDef tim_oc;
TIM_BDTRInitTypeDef tim_bdtr;
(void)gpc_setup_reg(GPROT_PWM_OFFSET_REG_ADDR, &pwm_offset);
/* Enable clock for TIM1 subsystem */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1 |
RCC_APB2Periph_GPIOA |
RCC_APB2Periph_GPIOB, ENABLE);
/* Enable TIM1 interrupt */
nvic.NVIC_IRQChannel = TIM1_TRG_COM_IRQn;
nvic.NVIC_IRQChannelPreemptionPriority = 0;
nvic.NVIC_IRQChannelSubPriority = 1;
nvic.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvic);
/* Enable TIM1 interrupt */
nvic.NVIC_IRQChannel = TIM1_CC_IRQn;
nvic.NVIC_IRQChannelPreemptionPriority = 0;
nvic.NVIC_IRQChannelSubPriority = 1;
nvic.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvic);
/* GPIOA: TIM1 channel 1, 2 and 3 as alternate function
push-pull */
gpio.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10;
gpio.GPIO_Mode = GPIO_Mode_AF_PP;
gpio.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &gpio);
/* GPIOB: TIM1 channel 1N, 2N and 3N as alternate function
* push-pull
*/
gpio.GPIO_Pin = GPIO_Pin_13 | GPIO_Pin_14 | GPIO_Pin_15;
GPIO_Init(GPIOB, &gpio);
/* Time base configuration */
tim_base.TIM_Period = PWM__BASE_CLOCK / PWM__FREQUENCY;
tim_base.TIM_Prescaler = 0;
tim_base.TIM_ClockDivision = 0;
tim_base.TIM_CounterMode = TIM_CounterMode_Up;
tim_base.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM1, &tim_base);
/* TIM1 channel 1, 2 and 3 settings */
tim_oc.TIM_OCMode = TIM_OCMode_Timing;
tim_oc.TIM_OutputState = TIM_OutputState_Enable;
tim_oc.TIM_OutputNState = TIM_OutputNState_Enable;
tim_oc.TIM_Pulse = pwm_val;
tim_oc.TIM_OCPolarity = TIM_OCPolarity_High;
tim_oc.TIM_OCNPolarity = TIM_OCNPolarity_High;
tim_oc.TIM_OCIdleState = TIM_OCIdleState_Set;
tim_oc.TIM_OCNIdleState = TIM_OCNIdleState_Set;
TIM_OC1Init(TIM1, &tim_oc);
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);
TIM_OC2Init(TIM1, &tim_oc);
TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable);
TIM_OC3Init(TIM1, &tim_oc);
TIM_OC3PreloadConfig(TIM1, TIM_OCPreload_Enable);
/* TIM1 configure channel 4 as adc trigger source */
tim_oc.TIM_OCMode = TIM_OCMode_PWM2;
tim_oc.TIM_Pulse = pwm_offset;
TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable);
TIM_OC4Init(TIM1, &tim_oc);
/* Automatic Output enable, break, dead time and lock configuration */
tim_bdtr.TIM_OSSRState = TIM_OSSRState_Enable;
tim_bdtr.TIM_OSSIState = TIM_OSSIState_Enable;
tim_bdtr.TIM_LOCKLevel = TIM_LOCKLevel_OFF;
tim_bdtr.TIM_DeadTime = 10;
tim_bdtr.TIM_Break = TIM_Break_Disable;
tim_bdtr.TIM_BreakPolarity = TIM_BreakPolarity_High;
tim_bdtr.TIM_AutomaticOutput = TIM_AutomaticOutput_Disable;
TIM_BDTRConfig(TIM1, &tim_bdtr);
TIM_CCPreloadControl(TIM1, ENABLE);
/* Enable COM and CC interrupt */
TIM_ITConfig(TIM1, TIM_IT_COM, ENABLE);
//TIM_ITConfig(TIM1, TIM_IT_COM | TIM_IT_CC4, ENABLE);
/* TIM1 enable counter */
TIM_Cmd(TIM1, ENABLE);
/* Main output enable */
TIM_CtrlPWMOutputs(TIM1, ENABLE);
/* Setting default state of pwm to pwm_off */
pwm_off();
}
int main(void)
{ char key;
// Map the I/O sections
setup_io();
// Set ALL GPIO pins to the required mode
setup_gpio();
// Set up PWM module
setup_pwm();
// Setup the SPI
setup_spi();
// We don't touch the UART for now
//
// Here your main program can start
//
do {
printf(" l/L : Walk the LEDS\n");
printf(" b/B : Show buttons\n");
printf(" m/M : Control the motor\n");
printf(" a/A : Read the ADC values\n");
printf(" c/C : ADC => Motor\n");
printf("( D : Set the DAC values\n");
printf(" q/Q : Quit program\n");
key = getchar();
switch (key)
{
case 'l':
case 'L':
quick_led_demo();
break;
case 'b':
case 'B':
quick_buttons_demo();
break;
case 'm':
case 'M':
quick_pwm_demo();
break;
case 'a':
case 'A':
quick_adc_demo();
break;
case 'c':
case 'C':
adc_pwm_demo();
break;
case 0x0A:
case 0x0D:
// ignore CR/LF
break;
default:
printf("???\n");
}
} while (key!='q' && key!='Q');
// make sure everything is off!
leds_off();
pwm_off();
restore_io();
return 0;
} // main
/********************************** 函数实现区 *********************************/
void pwm_init(void)
{
uint32_T pre_scale_val = 0;
/*
*
* 将计数器时钟设置为:15MHz, 计算预分频值
* PWM_TIMCLK使用 APB1 的时钟 即 HCLK/2
*
* 预分频值:
* pre_scale_val = (APB1_CLK / PWM_TIM_CLK ) - 1
* => pre_scale_val = ((SystemCoreClock / 2 ) /15 MHz) - 1
*
*/
pre_scale_val = (uint32_t)((SystemCoreClock/2) / 15000000) - 1;
/*
* 设置周期为:1000 便于编程
* ARR = (PWM_TIM源时钟/PWM_TIM输出频率) - 1
* => PWM_TIM输出频率 = PWM_TIM源时钟 / (ARR + 1)
* ARR = 1000
* PWM_TIM源时钟:15MHz
* => PWM_TIM输出频率 = 15000000 / (1000 + 1)
* = 14.985 kHz
*
* 设置PWM_TIM输出频率为20 KHz, 周期(ARR)为:
* ARR = (PWM_TIM源时钟/PWM_TIM输出频率) - 1
* = 749
* */
s_period = 1000;
/* 配置PWM_TIM计数器:
* Initialize PWM_TIM peripheral as follows:
* Prescaler = (SystemCoreClock / 2 / 15000000) - 1
* Period = (750 - 1)
* ClockDivision = 0
* Counter direction = Up
* */
s_tim_handle.Instance = PWM_TIM;
s_tim_handle.Init.Prescaler = pre_scale_val;
s_tim_handle.Init.Period = s_period;
s_tim_handle.Init.ClockDivision = 0;
s_tim_handle.Init.CounterMode = TIM_COUNTERMODE_UP;
s_tim_handle.Init.RepetitionCounter = 0;
if (HAL_TIM_PWM_Init(&s_tim_handle) != HAL_OK)
{
ERR_STR("执行失败.");
}
/* 各通道的占空比计算如下:
* PWM_TIM_Channel1 占空比 = (PWM_TIM_CCR1/ PWM_TIM_ARR + 1)* 100
* PWM_TIM Channel2 占空比 = (PWM_TIM_CCR2/ PWM_TIM_ARR + 1)* 100
* PWM_TIM Channel3 占空比 = (PWM_TIM_CCR3/ PWM_TIM_ARR + 1)* 100
* PWM_TIM Channel4 占空比 = (PWM_TIM_CCR4/ PWM_TIM_ARR + 1)* 100
*
* 初始化的时候占空比全0
*/
/* 所有通道都需要 */
s_sConfig.OCMode = TIM_OCMODE_PWM1;
s_sConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
s_sConfig.OCFastMode = TIM_OCFAST_DISABLE;
s_sConfig.OCNPolarity = TIM_OCNPOLARITY_HIGH;
s_sConfig.OCNIdleState = TIM_OCNIDLESTATE_RESET;
s_sConfig.OCIdleState = TIM_OCIDLESTATE_RESET;
/* 测试电机 */
pwm_test();
/* 关闭电机 */
pwm_off();
return;
}
/**
* @brief Handles the given user command
*
* This handles the given user command (user_command_t) either by processing
* it directly, or by passing it over to the actual handler using
* UserState_HandleUserCommand().
*
* g_eepromSaveDelay and g_checkIfAutoOffDelay get reset every time this
* function is called to make sure the appropriate functionality works as
* intended.
*
* @param user_command The user command that should be handled
*
* @see UserState_HandleUserCommand()
* @see g_eepromSaveDelay
* @see g_checkIfAutoOffDelay
*/
void handle_user_command(user_command_t user_command)
{
if (UC_ONOFF == user_command) {
log_state("OF\n");
if (user_power_state < UPS_AUTO_OFF) {
user_power_state = UPS_MANUAL_OFF;
pwm_off();
} else {
if (user_power_state == UPS_MANUAL_OFF) {
user_power_state = UPS_NORMAL_ON;
} else {
user_power_state = UPS_OVERRIDE_ON;
}
pwm_on();
user_setNewTime(NULL);
}
preferences_save();
} else {
int8_t i;
bool handled = false;
for (i = g_topOfStack - 1; i >= 0 && !handled; --i) {
handled |= UserState_HandleUserCommand(g_stateStack[i], user_command);
}
if (!handled) {
if (UC_BRIGHTNESS_UP == user_command) {
log_state("B+\n");
pwm_increase_brightness();
} else if (UC_BRIGHTNESS_DOWN == user_command) {
log_state("B-\n");
pwm_decrease_brightness();
} else if (UC_NORMAL_MODE == user_command) {
addSubState(-1, MS_normalMode, (void*)1);
} else if (UC_SET_TIME == user_command) {
addState(MS_setSystemTime, NULL);
} else if (UC_SET_ONOFF_TIMES == user_command) {
addState(MS_setOnOffTime, NULL);
} else if (UC_DEMO_MODE == user_command) {
menu_state_t curTop = user_get_current_menu_state();
log_state("BS\n");
if (MS_demoMode == curTop) {
quitMyself(MS_demoMode, NULL);
} else {
addState(MS_demoMode, NULL);
}
} else if (UC_CALIB_BRIGHTNESS == user_command) {
pwm_modifyLdrBrightness2pwmStep();
// Indicate the change to user
if (pwm_is_enabled()) {
pwm_off();
_delay_ms(USER_VISUAL_INDICATION_TOGGLE_MS);
pwm_on();
}
} else if (UC_PULSE_MODE == user_command) {
menu_state_t curTop = user_get_current_menu_state();
log_state("PLS\n");
if (MS_pulse == curTop) {
leaveSubState(g_topOfStack - 1);
} else {
if ((MS_normalMode == curTop)
#if (ENABLE_RGB_SUPPORT == 1)
|| (MS_hueMode == curTop)
#endif
) {
addState(MS_pulse, NULL);
}
}
DISPLAY_SPECIAL_USER_COMMANDS_HANDLER
#if (ENABLE_RGB_SUPPORT == 1)
} else if (UC_HUE_MODE == user_command) {
log_state("HM");
addSubState(-1, MS_hueMode, NULL);
#endif
#if (ENABLE_DCF_SUPPORT == 1)
} else if (UC_DCF_GET_TIME == user_command) {
log_state("DCF\n");
dcf77_enable();
#endif
#if (ENABLE_AMBILIGHT_SUPPORT == 1)
} else if (UC_AMBILIGHT == user_command) {
log_state("AL\n");
PIN(USER_AMBILIGHT) |= _BV(BIT(USER_AMBILIGHT));
#endif
#if (ENABLE_BLUETOOTH_SUPPORT == 1)
} else if (UC_BLUETOOTH == user_command) {
log_state("BT\n");
PIN(USER_BLUETOOTH) |= _BV(BIT(USER_BLUETOOTH));
#endif
#if (ENABLE_AUXPOWER_SUPPORT == 1)
} else if (UC_AUXPOWER == user_command) {
log_state("AUX\n");
PIN(USER_AUXPOWER) |= _BV(BIT(USER_AUXPOWER));
#endif
} else {
return;
}
}