#define LED1_PIN90 #define LED2_PIN91 #define LED3_PIN67#define CPU_Avg_Slope-4.1 #define CPU_V251.33uint16_t test_val=0; uint8_t print_buf[128]; float read_adc_buf[USER_ADC1_REGULAR_CH-1]; rt_device_t OpenADCDevice(char *name); rt_device_t adc1_dev=RT_NULL; rt_device_t dac_dev=RT_NULL; rt_tick_t shell_getchr_tick; rt_thread_t voltage_ctrl_thread; void VoltageCtrlEntry(void *parameter); void plot_ui() { rt_kprintf("\033[2J"); rt_kprintf("\033[10; 0H"); rt_kprintf("*******************************************\r\n"); rt_kprintf("*voltage:"); rt_kprintf("\033[1; 40; 31m%s\033[0m","00.00"); rt_kprintf("V*\r\n"); rt_kprintf("*current:"); rt_kprintf("\033[1; 40; 32m%s\033[0m","0.000"); rt_kprintf("A*\r\n"); rt_kprintf("*power:"); rt_kprintf("\033[1; 40; 34m%s\033[0m","00.00"); rt_kprintf("W*\r\n"); rt_kprintf("*CPUTemp:00.00C*\r\n"); rt_kprintf("*******************************************\r\n"); rt_kprintf("\033[20; 0H"); }int main(void) { rt_err_t result; uint32_t Speed = 500; /* set LED1 pin mode to output */ rt_pin_mode(LED1_PIN, PIN_MODE_OUTPUT); rt_pin_mode(LED2_PIN, PIN_MODE_OUTPUT); rt_pin_mode(LED3_PIN, PIN_MODE_OUTPUT); adc1_dev = OpenADCDevice("user_adc1"); voltage_ctrl_thread = rt_thread_create("VoltageCtrl", VoltageCtrlEntry, RT_NULL, 2048, 5, 10); if(voltage_ctrl_thread != RT_NULL) rt_thread_startup(voltage_ctrl_thread); plot_ui(); while (1) { rt_pin_write(LED1_PIN, PIN_LOW); rt_pin_write(LED2_PIN, PIN_LOW); rt_pin_write(LED3_PIN, PIN_LOW); rt_thread_mdelay(Speed); rt_pin_write(LED1_PIN, PIN_HIGH); rt_pin_write(LED2_PIN, PIN_HIGH); rt_pin_write(LED3_PIN, PIN_HIGH); rt_thread_mdelay(Speed); } }rt_device_t OpenADCDevice(char *name) { rt_err_t result; rt_device_t adc_dev = rt_device_find(name); if(adc_dev != RT_NULL) { if(adc_dev->open_flag == RT_DEVICE_OFLAG_CLOSE) { result = rt_device_open(adc_dev, RT_DEVICE_OFLAG_RDONLY); if(result == RT_EOK) { rt_kprintf("%s opened!\r\n",name); } else { rt_kprintf("%s open err:%d!\r\n",name,result); } } else { rt_kprintf("%s is already opened!\r\n",name); } } else { rt_kprintf("not find %s device!\r\n",name); } return adc_dev; } void OpenADC1Device() { adc1_dev = OpenADCDevice("user_adc1"); } MSH_CMD_EXPORT(OpenADC1Device, open adc1 device and start adc1 conversion); rt_err_t CloseADCDevice(char *name) { rt_err_t result; rt_device_t adc_dev = rt_device_find(name); if(adc_dev != RT_NULL) { result = rt_device_close(adc_dev); if(result == RT_EOK) { rt_kprintf("%s closed!\r\n",name); } else { rt_kprintf("%s close err:%d!\r\n",name,result); } } else { rt_kprintf("not find %s device!\r\n",name); } return result; } void CloseADC1Device() { CloseADCDevice("user_adc1"); } MSH_CMD_EXPORT(CloseADC1Device, close adc1 device and stop adc1 conversion); void ReadADC1Val() { if(adc1_dev != RT_NULL && adc1_dev->open_flag != RT_DEVICE_OFLAG_CLOSE) { rt_device_read(adc1_dev, 0, read_adc_buf, USER_ADC1_REGULAR_CH-1); sprintf(print_buf, "ADC:%f,%f,%f,%f\r\n", read_adc_buf[0], read_adc_buf[1], read_adc_buf[2], read_adc_buf[3]); rt_kprintf(print_buf); } else { rt_kprintf("user_adc1 dev not opened!\r\n"); } } MSH_CMD_EXPORT(ReadADC1Val, read adc1 all channel val); void get_shell_getchr_tick() { shell_getchr_tick = rt_tick_get(); }float SetVoltageVal = 5.0; //Vfloat SetCurrentVal = 3.0; //Afloat VoltagePID_P = 100; float VoltagePID_I = 50; float user_atof(char *str) { float val; char *ch_p=RT_NULL; do{ if(*str == 0) return 0; if(*str == ' ') { str++; } else { break; } } while(1); ch_p = strchr(str , '.'); int valH = atoi(str); float valL=0; if(ch_p > 0) valL = atoi(ch_p+1); do{ if(valL >= 1) { valL /= 10; } else { break; } }while(1); val = valH + valL; return val; }float Sin_vpp=0, Sin_offset=0, Sin_cycle=0, Singal_Cycle_step=0; void EnSinOut(int argc, char **argv) { if(argc >= 2) { if(*argv[1] == '?') { sprintf(print_buf,"Vpp:%f, Offset:%f, Cycle:%f\r\n", Sin_vpp, Sin_offset, Sin_cycle); rt_kprintf(print_buf); } else if(argc >= 4) { float val = user_atof(argv[1]); if(val >=0 && val <=35) { Sin_vpp = val; } else { sprintf(print_buf,"Error:Out range[0,35]! Vpp:%fV\r\n", Sin_vpp); rt_kprintf(print_buf); } val = user_atof(argv[2]); if(val >=0 && val <=35) { Sin_offset = val; } else { sprintf(print_buf,"Error:Out range[0,35]! Offset:%fV\r\n", Sin_offset); rt_kprintf(print_buf); } val = user_atof(argv[3]); if(val >=1 && val <=100) { Sin_cycle = val; Singal_Cycle_step = 2*3.1415926/100/Sin_cycle; } else { sprintf(print_buf,"Error:Out range[1,100]! Cycle:%fS\r\n", Sin_cycle); rt_kprintf(print_buf); } sprintf(print_buf,"Vpp:%fV, Offset:%fV, Cycle:%fS\r\n", Sin_vpp, Sin_offset, Sin_cycle); rt_kprintf(print_buf); } else { rt_kprintf("EnSinOut [vpp offset cycle]\r\n"); } } else { rt_kprintf("EnSinOut [vpp offset cycle]\r\n"); } } MSH_CMD_EXPORT(EnSinOut, enable sinusoidal signal out); void SetVoltage(int argc, char **argv) { if(argc >= 2) { if(*argv[1] == '?') { sprintf(print_buf,"SetVoltageVal:%f\r\n", SetVoltageVal); rt_kprintf(print_buf); } else { float val = user_atof(argv[1]); if(val >=0 && val <=35) { Sin_vpp = 0; SetVoltageVal = val; sprintf(print_buf,"SetVoltageVal:%f\r\n", SetVoltageVal); rt_kprintf(print_buf); } else { sprintf(print_buf,"Error:Out range[0,35]! SetVoltageVal:%f\r\n", SetVoltageVal); rt_kprintf(print_buf); } } } else { rt_kprintf("SetVoltage [val]\r\n"); } } MSH_CMD_EXPORT(SetVoltage, set voltage val); void SetCurrent(int argc, char **argv) { if(argc >= 2) { if(*argv[1] == '?') { sprintf(print_buf,"SetCurrentVal:%f\r\n", SetCurrentVal); rt_kprintf(print_buf); } else { float val = user_atof(argv[1]); if(val >=0 && val <=5) { SetCurrentVal = val; sprintf(print_buf,"SetCurrentVal:%f\r\n", SetCurrentVal); rt_kprintf(print_buf); } else { sprintf(print_buf,"Error:Out range[0,5]! SetCurrentVal:%f\r\n", SetCurrentVal); rt_kprintf(print_buf); } } } else { rt_kprintf("SetCurrent [val]\r\n"); } } MSH_CMD_EXPORT(SetCurrent, set current val); void VoltageCtrlEntry(void *parameter) { uint8_t wait_i=0, replot_flag=0, overcurrent_flag=0; float cpu_temp_ave=0, voltage_ave=0, current_ave=0; dac_dev = rt_device_find("dac"); uint32_t ch = 1; int32_t dac_val = 4095; rt_device_control(dac_dev, RT_DAC_CMD_ENABLE, &ch); rt_device_open(dac_dev, RT_DEVICE_OFLAG_RDWR); rt_device_write(dac_dev, ch, &dac_val, 1); float Voltage_err=0, Voltage_err_old=0, Voltage_err_sum=0; float CtrlVoltage=0; float Singal_Cycle_i=0; rt_thread_sleep(100); while(1) { if(adc1_dev != RT_NULL && adc1_dev->open_flag != RT_DEVICE_OFLAG_CLOSE) { rt_device_read(adc1_dev, 0, read_adc_buf, USER_ADC1_REGULAR_CH-1); float cpu_temp = (CPU_V25 - read_adc_buf[0] * 3.3 / 4096) * 1000 / CPU_Avg_Slope + 25; float voltage = read_adc_buf[1] * 3.3 / 4096 * 12; float current = -(read_adc_buf[2] * 3.3 / 4096 - 1.65)/0.132; if(current < 0) current = 0; if(Sin_vpp > 0.0001)//使能正弦信号输出 { Singal_Cycle_i = fmod(Singal_Cycle_i + Singal_Cycle_step, 2*3.1415926); SetVoltageVal = Sin_offset + Sin_vpp / 2 * sin(Singal_Cycle_i); }if(current <= SetCurrentVal) { if(overcurrent_flag) { if(CtrlVoltage < SetVoltageVal-0.1) { CtrlVoltage += 0.1; } else if(CtrlVoltage > SetVoltageVal+0.1) { CtrlVoltage -= 0.1; } else { CtrlVoltage = SetVoltageVal; overcurrent_flag = 0; } } else { CtrlVoltage = SetVoltageVal; } } else { overcurrent_flag = 1; CtrlVoltage -= 0.1; }Voltage_err = voltage - CtrlVoltage; if(Voltage_err < 0.1 && Voltage_err > -0.1) { Voltage_err_sum += Voltage_err; }if(Voltage_err_old * Voltage_err < 0) { Voltage_err_sum = 0; }if(Voltage_err_sum > 2) { Voltage_err_sum = 2; } else if(Voltage_err_sum < -2) { Voltage_err_sum = -2; }Voltage_err_old = Voltage_err; dac_val += VoltagePID_P * Voltage_err + VoltagePID_I * Voltage_err_sum; if(dac_val < 0) { dac_val = 0; } else if(dac_val > 4095) { dac_val = 4095; } rt_device_write(dac_dev, ch, &dac_val, 1); cpu_temp_ave += cpu_temp; voltage_ave += voltage; current_ave += current; if(wait_i++ >= 100) { if(rt_tick_get() - shell_getchr_tick > 5000) { if(replot_flag) { plot_ui(); replot_flag = 0; } sprintf(print_buf,"%.2f ",voltage_ave / 101); rt_kprintf("\033[11; 26H"); rt_kprintf("\033[1; 40; 31m%s\033[0m",print_buf); sprintf(print_buf,"%.3f ",current_ave / 101); rt_kprintf("\033[12; 26H"); rt_kprintf("\033[1; 40; 32m%s\033[0m",print_buf); sprintf(print_buf,"%.3f ",voltage_ave / 101 * current_ave / 101); rt_kprintf("\033[13; 26H"); rt_kprintf("\033[1; 40; 34m%s\033[0m",print_buf); sprintf(print_buf,"%.2f",cpu_temp_ave / 101); rt_kprintf("\033[14; 26H"); rt_kprintf(print_buf); rt_kprintf("\033[20; 0H"); } else { replot_flag = 1; } wait_i = 0; cpu_temp_ave = 0; voltage_ave = 0; current_ave = 0; } } rt_thread_sleep(RT_TICK_PER_SECOND/100); } }

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