void main(void) { init_pins(); init_oscillator(); SPI1_Initialize(); float temp = 0; // Set all pins RD1-7 to inputs, RD0 (MSB is set to output) //TRISD = 0b11111110; // RC2 is PWM pin TRISCbits.RC2 = 0; configure_adc(); configure_pwm(); int ticks = 0; while (1) { MAX_7221_INIT(); temp = get_temperature(0); set_fan_speed(temp); if(ticks % 125 == 0) { MAX_7221_WRITE_FLOAT(temp, 3); ticks = 0; } ticks++; } }
int main(void) { system_clock_config(CLOCK_RESOURCE_XO_26_MHZ, CLOCK_FREQ_26_MHZ); //! [setup_init] configure_pwm(); //! [setup_init] //! [main] while (true) { /* Infinite loop */ } //! [main] }
int main(void) { /*Status flags to indicate the re-burst for library */ uint16_t status_flag = 0u; uint16_t burst_flag = 0u; uint8_t lft_pressed = 0; uint8_t rgt_pressed = 0; static uint8_t old_position = 0; uint8_t uc_char; uint8_t uc_flag; sysclk_init(); board_init(); configure_buttons(); configure_hall(); wdt_disable(WDT); pmc_enable_periph_clk(ID_PIOC); qt_reset_sensing(); config_sensors(); qt_init_sensing(); /* Set the parameters like recalibration threshold, Max_On_Duration etc in this function by the user */ qt_set_parameters(); init_timer_isr(); qt_filter_callback = 0; configure_console(); printf(STRING_HEADER); configure_lcd(); g_pwm_channel = configure_pwm(); /* Cabeçalho do lcd */ pos_lcd_x = 20; pos_lcd_y = 40; start_lcd(pos_lcd_x, pos_lcd_y, ul_duty, hall_1, hall_2, hall_3, phase); /* Infinite loop */ while (1) { static uint8_t phase_aux; static uint32_t hall_1_aux, hall_2_aux, hall_3_aux, ul_duty_aux; /* Atualiza o display somente quando houver alteração nas variáveis que serão apresentadas */ if(ul_duty_aux != ul_duty) { escreve_int_lcd("dc = ", ul_duty*100/PERIOD_VALUE, pos_lcd_x, 40); ul_duty_aux = ul_duty; } if(phase_aux != phase || hall_1_aux != hall_1 || hall_2_aux != hall_2 || hall_3_aux != hall_3) { escreve_int_lcd("hall1 = ", hall_1, pos_lcd_x, 60); escreve_int_lcd("hall2 = ", hall_2, pos_lcd_x, 80); escreve_int_lcd("hall3 = ", hall_3, pos_lcd_x, 100); escreve_int_lcd("phase = ", phase, pos_lcd_x, 120); phase_aux = phase; hall_1_aux = hall_1; hall_2_aux = hall_2; hall_3_aux = hall_3; } if(motor_run == 0 && ul_duty != 0) Hall_Phase(); uc_char = 0; uc_flag = uart_read(CONSOLE_UART, &uc_char); if (!uc_flag) { if (uc_char == 't') { printf(" duty cicle = %lu \r\n",ul_duty*100/PERIOD_VALUE); printf(" hall1 = %lu \r\n", hall_1); printf(" hall2 = %lu \r\n", hall_2); printf(" hall3 = %lu \r\n", hall_3); printf(" phase = %u \r\n\n", phase); } if (uc_char == 'a'){ if(ul_duty < PERIOD_VALUE) ul_duty++; printf(" duty cicle = %lu \r\n",ul_duty*100/PERIOD_VALUE); } if (uc_char == 's'){ if(ul_duty > INIT_DUTY_VALUE) ul_duty--; printf(" duty cicle = %lu \r\n",ul_duty*100/PERIOD_VALUE); } if (uc_char == 'd') { ensaio = 1; printf(" Ensaio de rampa\r\n"); printf(" para parar pressione a letra 'P'\r\n"); } if (uc_char == 'f') { ensaio = 2; printf(" Ensaio de degrau\r\n"); printf(" para parar pressione a letra 'P'\r\n"); } if (uc_char == 'p') { ensaio = 0; ul_duty = 0; } if (uc_char == 'i') { sel_rot = !sel_rot; printf(" Rotacao invertida\r\n"); printf(" para parar pressione a letra 'P'\r\n"); } } if (time_to_measure_touch) { /* Clear flag: it's time to measure touch */ time_to_measure_touch = 0u; do { /* One time measure touch sensors */ status_flag = qt_measure_sensors(current_time_ms_touch); burst_flag = status_flag & QTLIB_BURST_AGAIN; /*Time critical host application code goes here */ } while (burst_flag); } /* Time Non-critical host application code goes here */ if ((GET_SENSOR_STATE(BOARD_LEFT_KEY_ID) != 0) && (lft_pressed == 0)) { lft_pressed = 1; if(ul_duty > INIT_DUTY_VALUE) ul_duty--; printf(" duty cicle = %lu \r\n",ul_duty*100/PERIOD_VALUE); } else { if ((GET_SENSOR_STATE(BOARD_LEFT_KEY_ID) == 0) && (lft_pressed == 1)) { lft_pressed = 0; } } if ((GET_SENSOR_STATE(BOARD_RIGHT_KEY_ID) != 0) && (rgt_pressed == 0)) { rgt_pressed = 1; if(ul_duty < PERIOD_VALUE) ul_duty++; printf(" duty cicle = %lu \r\n",ul_duty*100/PERIOD_VALUE); } else { if ((GET_SENSOR_STATE(BOARD_RIGHT_KEY_ID) == 0) && (rgt_pressed == 1)) { rgt_pressed = 0; } } if (GET_ROTOR_SLIDER_POSITION(0) != old_position) { old_position = GET_ROTOR_SLIDER_POSITION(0); if (motor_run==0) flag_hab_m = 1; ul_duty = old_position*PERIOD_VALUE/255; } } }
int main(void) { int i, spi_timeout; unsigned long counter; /* Disable JTAG port so we get our I/O pins back */ DDPCONbits.JTAGEN = 0; /* Enable optimal performance */ SYSTEMConfigPerformance(GetSystemClock()); /* Use 1:1 CPU Core:Peripheral clocks */ OSCSetPBDIV(OSC_PB_DIV_1); /* configure the core timer roll-over rate */ OpenCoreTimer(CORE_TICK_RATE); /* set up the core timer interrupt */ mConfigIntCoreTimer((CT_INT_ON | CT_INT_PRIOR_6 | CT_INT_SUB_PRIOR_0)); /* enable multi vector interrupts */ INTConfigureSystem(INT_SYSTEM_CONFIG_MULT_VECTOR); INTEnableInterrupts(); map_peripherals(); init_io_ports(); configure_pwm(); init_spi(); init_dma(); /* wait until tx buffer is filled up */ while (!SPI2STATbits.SPITBF); reset_board(); spi_data_ready = 0; spi_timeout = 0; counter = 0; /* enable watchdog */ WDTCONSET = 0x8000; /* main loop */ while (1) { if (spi_data_ready) { spi_data_ready = 0; /* the first element received is a command string */ switch (rxBuf[0]) { case 0x5453523E: /* >RST */ reset_board(); break; case 0x314D433E: /* >CM1 */ stepgen_update_input((const void *)&rxBuf[1]); stepgen_get_position((void *)&txBuf[1]); break; case 0x324D433E: /* >CM2 */ update_outputs(rxBuf[1]); update_pwm_duty((uint32_t *)&rxBuf[2]); txBuf[1] = read_inputs(); break; case 0x4746433E: /* >CFG */ stepgen_update_stepwidth(rxBuf[1]); update_pwm_period(rxBuf[2]); stepgen_reset(); break; case 0x5453543E: /* >TST */ for (i=0; i<BUFSIZE; i++) txBuf[i] = rxBuf[i] ^ ~0; break; } } /* if rx buffer is half-full, update the integrity check. There isn't enough time if we wait for complete transfer */ if (DCH0INTbits.CHDHIF) { DCH0INTCLR = 1<<4; /* clear flag */ txBuf[0] = rxBuf[0] ^ ~0; } /* if rx buffer is full, data from spi bus is ready */ if (DCH0INTbits.CHBCIF) { DCH0INTCLR = 1<<3; /* clear flag */ spi_data_ready = 1; spi_timeout = SPI_TIMEOUT; } /* reset the board if there is no SPI activity */ if (spi_timeout) spi_timeout--; if (spi_timeout == 1) { DCH0ECONSET=BIT_6; /* abort DMA transfers */ DCH1ECONSET=BIT_6; init_spi(); init_dma(); reset_board(); /* wait until tx buffer is filled up */ while (!SPI2STATbits.SPITBF); } /* blink onboard led */ if (!(counter++ % (spi_timeout ? 0x10000 : 0x40000))) { LED_TOGGLE; } /* keep alive */ WDTCONSET = 0x01; } return 0; }