void update_pwm()
{
pwm_set(PWM_CHANNEL_1, _pwmChannel1);
pwm_set(PWM_CHANNEL_2, _pwmChannel2);
pwm_set(PWM_CHANNEL_3, _pwmChannel3);
pwm_set(PWM_CHANNEL_4, _pwmChannel4);
}
/* 关闭电机 */
void pwm_off(void)
{
pwm_set(PWM_FRONT, 0);
pwm_set(PWM_RIGHT, 0);
pwm_set(PWM_BACK, 0);
pwm_set(PWM_LEFT, 0);
}
void moveDistance(int distance)
{
motorInit();
// Start PWM process. Period 1 ms, Freq 1 kHz
pwm_start(basepwm);
// Turn motors counterclockwise for 3 s.
if(distance >=0){
high(M1forward);
high(M2forward);
} else {
high(M1reverse);
high(M2reverse);
distance=abs(distance);
}
pwm_set(M1enable, 0, 1000);
pwm_set(M2enable, 1, 1000);
pause(distance);
// Stop again
pwm_set(M1enable, 0, 0);
pwm_set(M2enable, 1, 0);
// End the PWM process
pwm_stop();
}
void moveMotorT(int left, int right, int time)
{
motorInit();
// Start PWM process. Period 1 ms, Freq 1 kHz
pwm_start(basepwm);
if(left >=0){
high(M1forward);
} else {
high(M1reverse);
left=abs(left);
}
if(right >=0){
high(M2forward);
} else {
high(M2reverse);
right=abs(right);
}
pwm_set(M1enable, 0, left);
pwm_set(M2enable, 1, right);
pause(time);
// Stop again
pwm_set(M1enable, 0, 0);
pwm_set(M2enable, 1, 0);
// End the PWM process
pwm_stop();
}
int main(void)
{
WDT_DISABLE;
pwm_enable(PWM0, PWMSRC_SMCLK, PWM_UP, BIT1, M); // enable 4 TA0 out, up mode
pwm_enable(PWM1, PWMSRC_SMCLK, PWM_UP_DOWN, BIT1 + BIT2, M); // enable 2 TA1 out, u_down mode
// pwm_enable(PWM2, PWMSRC_SMCLK, PWM_UP, BIT1 + BIT2, M); // enable 2 TA 2out, continuous mode
P1DIR |= BIT0; // Loop indicator
P2DIR = ~0;
P2SEL = ~0;
int i = 0;
while (1){
if (i++> M) {
i = 1;
P1OUT ^= BIT0;
}
pwm_set( PWM0, 1, i, PWM_POUT); // +duty%
pwm_set( PWM1, 1, i, PWM_POUT);
pwm_set( PWM1, 2, i, PWM_NOUT);
// pwm_set( PWM2, 1, i, PWM_POUT);
// pwm_set( PWM2, 2, i, PWM_NOUT);
__delay_cycles(1000);
}
// _BIS_SR(CPUOFF);
}
int main(void)
{
int16_t signe = 1;
DDRG=0x3;
PORTG=0x0;
pwm_init();
while(1)
{
pwm_set(NUM, 1 * signe); // not 0 to test for sign problems
wait_ms(2* DELAY);
pwm_set(NUM, P_MAX /2 * signe);
wait_ms(DELAY);
pwm_set(NUM, P_MAX* signe);
wait_ms(DELAY);
pwm_set(NUM, P_MAX /2 * signe);
wait_ms(DELAY);
signe *= -1;
}
return 0;
}
static inline void _pwm_set(pwm_t dev, uint8_t chan, uint16_t val) {
if(val > 5) {
pwm_set(dev, chan, MIN(val+MIN_PWM, MAX_PWM));
}
else {
pwm_set(dev, chan, 0);
}
}
void stopMotors()
{
motorInit();
// Stop
pwm_set(M1enable, 0, 0);
pwm_set(M2enable, 1, 0);
// End the PWM process
pwm_stop();
}
static void fade_to(uint8_t target, uint8_t delay) {
uint8_t cur = pwm_get();
int8_t delta = (target > cur) ? 1 : -1;
for(; cur != target; cur += delta) {
pwm_set(cur);
delay_ticks(delay);
}
pwm_set(target);
}
void on_value() {
switch (the_value) {
case 0xEE11FB04: the_pwm -= 5; break;
case 0xED12FB04: the_pwm += 5; break;
case 0xEF10FB04: the_pwm = 0; break;
case 0xE619FB04: the_pwm = 100; break;
case 0xEC13FB04: the_pwm = 10; break;
}
if(the_pwm>100) {
the_pwm = 100;
}
if(the_pwm<0) {
the_pwm = 0 ;
}
pwm_set(the_pwm);
debugf("on_value: %X\n", the_value);
for(int i=0; i<300; i++) {
if(buf[i]!=0) {
debugf(", %d", buf[i]);
buf[i] = 0 ;
}
}
debugf("\n");
}
void KeyScan_PlayTone(UINT8 bType)
{
PWM_struct PWMInfo;
UINT32 uiKeyToneTimerID;
UINT32 uiKeyPlayTime = 100; //ms
if((ubIsPlaying)||(!bKeyToneEn))
return;
PWMInfo.uiDiv = 180;
PWMInfo.uiPrd = 20;
PWMInfo.uiOnCycle = 0;
PWMInfo.uiInv = 0;
PWMInfo.uiRise = 0;
PWMInfo.uiFall = 10;
pwm_open(PWMID_0);
pwm_set(PWMID_0, &PWMInfo);
if(timer_openAutoClose((UINT *)&uiKeyToneTimerID, (FP)KeyScan_PlayToneStop) == E_OK)
{
pwm_en(PWMID_0);
timer_set(uiKeyToneTimerID, uiKeyPlayTime, _TIMER_CTRL_ONE_SHOT|_TIMER_CTRL_INT_ENABLE, _TIMER_PLAY);
}
ubIsPlaying = TRUE;
}
/* sending functions */
void send_raw(void)
{
/* load pwm timing, retransmit and retransmit timeout */
struct params_t params;
params.raw = next_word();
uint16_t retransmit_delay = next_word();
/* remember positing in timing table */
uint16_t pos = 0;
uint16_t *ptr;
for (uint8_t r = 0; r <= params.repeat; r++) {
/* load the beginning of the current timing sequence */
ptr = (uint16_t*)current_code;
/* copy all timing values up to the terminating nullword */
uint16_t t;
while ( (t = pgm_read_word(ptr++)) != 0 )
timing[pos++] = t;
/* terminate this sequency with the repeat delay */
timing[pos++] = retransmit_delay;
}
/* terminate the whole sequency with a zero */
timing[pos] = 0;
/* remember positing in code table */
current_code = ptr;
/* set loaded pwm value */
pwm_set(params.pwm);
}
int parse_text(char *text, int n)
{
const char *delims = " \r\n\t";
int pwm1 = 0, pwm2 = 0;
int rc;
char *s;
do {
s = strsep(&text, delims);
if (s == NULL)
break;
if (strcmp(s, "pwm1") == 0) {
rc = parse_int(&text, &pwm1);
if (rc < 0) {
goto error;
}
} else if (strcmp(s, "pwm2") == 0) {
rc = parse_int(&text, &pwm2);
if (rc < 0) {
goto error;
}
}
} while (1);
pwm_set(pwm1, pwm2);
return 0;
error:
return -1;
}
void send_nec(void)
{
/* load pwm timing, retransmit and retransmit timeout */
struct params_t params;
params.raw = next_word();
uint16_t retransmit_delay = next_word();
/* load data */
uint16_t data[2];
data[0] = next_word();
data[1] = next_word();
/* add header */
timing[0] = NEC_HEADER_ON;
timing[1] = NEC_HEADER_OFF;
/* remember positing in timing table, calculate retransmit timeout */
uint16_t pos = 2;
uint16_t retransmit = retransmit_delay - NEC_HEADER_OFF;
/* compute 32 bits */
for (uint8_t j = 0; j < 2; j++) {
for (uint8_t i = 0; i < 16; i++) {
/* on timing */
timing[pos++] = NEC_ON;
if (data[j] & 1)
/* one */
timing[pos] = NEC_OFF_ONE;
else
/* zero */
timing[pos] = NEC_OFF_ZERO;
/* subtract cycle length from retransmit */
retransmit -= timing[pos];
pos++;
data[j] >>= 1;
}
}
/* insert last on pulse */
timing[pos++] = NEC_ON;
/* insert retransmits */
for (uint8_t i = 0; i < params.repeat; i++) {
timing[pos++] = retransmit;
timing[pos++] = NEC_REPEAT_ON;
timing[pos++] = NEC_REPEAT_OFF;
timing[pos++] = NEC_ON;
retransmit = retransmit_delay - NEC_REPEAT_OFF - NEC_ON;
}
/* mark end of code */
timing[pos] = 0;
/* set loaded pwm value */
pwm_set(params.pwm);
}
static void power_inc(char idx)
{
if (++power[idx] > 10)
power[idx] = 0;
if (!idx)
pwm_set(power[0]);
}
void app_register_set (uint8_t uRegNo,
uint32_t uValue)
{
uint16_t tempval16;
uint8_t tempval, index;
tempval16 = (uint16_t)(uValue & 0x0000FFFF);
tempval = (uint8_t)(uValue & 0x000000FF);
// registers saved in EEProm
if (uRegNo >= APP_eReg_RemoteAddr00 && uRegNo <= APP_eReg_RemoteAddr31) {
index = (uRegNo - APP_eReg_RemoteAddr00) * 2;
index += APP_eCfg_RemoteAddr00;
eeprom_write_word((uint16_t*)®ister_eeprom_array[index], tempval16);
}
else if (uRegNo >= APP_eReg_RemoteReg00 && uRegNo <= APP_eReg_RemoteReg31) {
index = uRegNo - APP_eReg_RemoteReg00;
index += APP_eCfg_RemoteReg00;
eeprom_write_byte(®ister_eeprom_array[index], tempval);
}
else if (uRegNo >= APP_eReg_TargetReg00 && uRegNo <= APP_eReg_TargetReg31) {
index = uRegNo - APP_eReg_TargetReg00;
index += APP_eCfg_TargetReg00;
eeprom_write_byte(®ister_eeprom_array[index], tempval);
}
else switch (uRegNo) {
// registers saved in EEProm
case APP_eReg_PWMChn1:
tempval = (uint8_t)(uValue & 0x000000FF);
pwm_set(0,tempval);
break;
case APP_eReg_PWMChn2:
tempval = (uint8_t)(uValue & 0x000000FF);
pwm_set(1,tempval);
break;
case APP_eReg_PWMChn3:
tempval = (uint8_t)(uValue & 0x000000FF);
pwm_set(2,tempval);
break;
// registers in ROM/RAM
default:
break;
}
}
static void power_dec(char idx)
{
if (--power[idx] > 10)
power[idx] = 10;
if (!idx)
pwm_set(power[0]);
}
void pwm_init()
{
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM5, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource0, GPIO_AF_TIM5);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource1, GPIO_AF_TIM5);
/* TIM1 Full remapping pins */
// GPIO_PinRemapConfig(GPIO_FullRemap_TIM5, ENABLE);
TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
/* Time Base configuration */
TIM_TimeBaseStructure.TIM_Prescaler = 0;
TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
TIM_TimeBaseStructure.TIM_Period = PWM_PERIOD;
TIM_TimeBaseStructure.TIM_ClockDivision = 0;
TIM_TimeBaseStructure.TIM_RepetitionCounter = 0;
TIM_TimeBaseInit(TIM5, &TIM_TimeBaseStructure);
pwm_set(50, 30);
/* TIM1 counter enable */
TIM_Cmd(TIM5, ENABLE);
/* TIM1 Main Output Enable */
TIM_CtrlPWMOutputs(TIM5, ENABLE);
GPIO_InitStructure.GPIO_Pin = (1<<2)|(1<<3);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_SetBits(GPIOC, (1<<2)|(1<<3));
}
void main()
{
uint8_t brightness=0;
//Initialize PWM
pwm_init();
while(1){
for(i = 0 ; i < 255; i++){
//Setting pwm value
pwm_set(i);
pwm_wait();
}
for(i = 255 ; i > 0; i--){
pwm_set(i);
pwm_wait();
}
}
}
int main(){
DDRC = 0xDB;
PORTC = 0x7E;;
sei();
pwm_init();
pwm_set_scalar(3);
pwm_set(0x00, 120);
pwm_set(0x01, 255);
int a;
while(1){
a++;
}
}
int set_angle(int channel, int angle)
{
// -90 degrees at 42% duty or 430 cnt .93ms width
// 0 degrees at 68% or 696 1.51 width
// +90 degrees at 97% or 933 2.15 width
auto int pwm;
pwm =(int)(690 + (float)angle*512/180);
switch(channel)
{
case 0:
pwm_set(0, pwm, PWM0_OPTION);
break;
case 1:
pwm_set(1, pwm, PWM1_OPTION);
break;
}
return pwm;
}
void TIMER2_IRQHandler(void)
{
// Clear interrupt
if ((NRF_TIMER2->EVENTS_COMPARE[2] == 1) && (NRF_TIMER2->INTENSET & TIMER_INTENSET_COMPARE2_Msk))
{
NRF_TIMER2->EVENTS_COMPARE[2] = 0;
}
// Process buttons
if (nrf_gpio_pin_read(BUTTON1) == 0)
{
pwm_set(LED_INTENSITY_HIGH);
}
else if (nrf_gpio_pin_read(BUTTON0) == 0)
{
pwm_set(LED_INTENSITY_LOW);
}
else
{
pwm_set(LED_OFF);
}
}
void tim2_isr(void)
{
/* reset interrupt flag */
if (timer_get_flag(TIM2, TIM_DIER_UIE)) {
timer_clear_flag(TIM2, TIM_DIER_UIE);
}
/* call user callback */
uint16_t next_value;
pwm_update_callback(&next_value);
pwm_set(next_value);
}
/*******************************************
* Main
*/
int main(void)
{
uint32_t i;
uint8_t d1 = 0;
int8_t delta = +1; // Step for testing
clock_init();
gpio_setup();
tim_setup();
i2c_setup();
lcd_init();
lcd_seekto(1, 0 );
lcd_writes("................");
while (1) {
// Blink
gpio_toggle(GPIOB, GPIO1);
// Put chars to LCD
//lcd_putchar(' ' + d1);
lcd_home();
lcd_writes("Count ");
lcd_write_uint(d1, 3);
if( d1 % 10 == 0 )
{
lcd_seekto(1, d1 / 10 );
lcd_writes(".<^^>.");
}
// Spinwait s bit
for (i = 0; i < ( 20 * 72000 ); i++)
{
__asm__("nop");
}
// Sweep PWM
d1 += delta;
// Pingpong
if( d1 >= 100 )
delta = -1;
else if( d1 <= 0 )
delta = +1;
pwm_set( d1 );
}
// Never reached
return 0;
}
static void next_timer(void)
{
d_h[0] = d_h[1];
d_m[0] = d_m[1];
if (d_m[0] || d_h[0])
power[0] = power[1];
else
power[0] = 0;
d_h[1] = d_m[1] = power[1] = 0;
pwm_set(power[0]);
}
void motorTest()
{
motorInit();
// Start PWM process. Period 1 ms, Freq 1 kHz
pwm_start(basepwm);
// Turn motors counterclockwise for 3 s.
high(M1forward);
high(M2forward);
pwm_set(M1enable, 0, 1000);
pwm_set(M2enable, 1, 1000);
pause(2000);
// Stop again
pwm_set(M1enable, 0, 0);
pwm_set(M2enable, 1, 0);
// End the PWM process
pwm_stop();
}
int main(void) {
DDRB |= 1<<PB0;
usart_init();
pwm_init();
pwm_set(0);
char ch;
while(1) {
if(char_fifo_is_empty(usart_recv_fifo()))
char_fifo_pop(usart_recv_fifo(), &ch);
usart_send_char(ch);
}
return 0;
}
/**
Play sound (beep) by using PWM
Play sound (beep) by using PWM.
@param void
@return void
*/
void GPIOMap_SoundPlayPWM(void)
{
PWM_CFG PWMInfo;
PWMInfo.uiDiv = 99; // 1500Hz (base-clock (3MHz) / (div + 1) / basic-period)
PWMInfo.uiPrd = 20; // basic period
PWMInfo.uiRise = 0; // +50
PWMInfo.uiFall = 10; // -50
PWMInfo.uiOnCycle = 50; // 33 ms
PWMInfo.uiInv = 0; // not invert
pwm_set(PWM_BEEP_SOUND, &PWMInfo);
pwm_en(PWM_BEEP_SOUND);
}
int main(void)
{
timer1_initialize();
DDRA = 0xFF;
PORTD |= 0x0F;
while (1)
//sei();
{
scan_key();
show_direction();
pwm_set();
_delay_ms(10);
}
}
void process_boucle_courant(void)
{
static unsigned int i;
float temp;
pi_boucle_courant.mesure = current_read;
pi_boucle_courant.reference = current_ref;
/*
i++;
if(i>=1000)
{
printf("Current rx : [%i] ; Current res [%i]\r\n",(int16_t)(current_read*1000.0),(int16_t)(current_ref*1000.0));
i=0;
}
*/
if(current_loop_enable)
{
do_pi_float(&pi_boucle_courant);
temp = (pi_boucle_courant.commande);
if(temp > 510.0) temp = 510.0;
if(temp < -510.0) temp = -510.0;
pwm_set((signed int)temp);
// debug with manual pwm input from current ref
//pwm_set((signed int)((float)(current_ref*500.0)));
}
else
{
pwm_set(0);
}
}