int mon_calibrate(int argc, char **argv){
int on_time, off_time;
//check if we should stop calibration mode
if(argc==2){
if(strcmp(argv[1],"stop")==0){
printf("stopping calibration mode\n");
wemo_config.calibrate = false;
//disable the calibration PWM
pwm_channel_disable_interrupt(PWM,CAL_PWM_CHANNEL,CAL_PWM_CHANNEL);
pwm_channel_disable(PWM,CAL_PWM_CHANNEL);
//save the new config
fs_write_config();
return 0;
} else {
printf("usage: specify [stop] or [start # #]\n");
}
return -1;
}
//make sure there are enough params to start
if(argc!=4 || (strcmp(argv[1],"start")!=0)){
printf("usage: specify [stop] or \n");
printf("\t [start on_time off_time] in ms\n");
return -1;
}
//parse the on_time and off_time params
on_time = atoi(argv[2]);
off_time = atoi(argv[3]);
//make sure these times are valid
if(on_time<MIN_CAL_TIME || off_time<MIN_CAL_TIME){
printf("times must be >= %d\n",MIN_CAL_TIME);
return -1;
}
//stop data collection
wemo_config.collect_data = false;
//setup calibration parameters
wemo_config.calibrate = true;
wemo_config.cal_on_time = on_time;
wemo_config.cal_off_time = off_time;
//start the calibration PWM
pwm_channel_enable_interrupt(PWM,CAL_PWM_CHANNEL,CAL_PWM_CHANNEL);
pwm_channel_enable(PWM,CAL_PWM_CHANNEL);
//save the new config
fs_write_config();
return 0;
}
void monitor(void){
uint32_t prev_tick=0;
//allocate memory for buffers and flush them
cmd_buf = membag_alloc(CMD_BUF_SIZE);
if(!cmd_buf)
core_panic();
memset(cmd_buf,0x0,CMD_BUF_SIZE);
//initialize the power packet buffers
tx_pkt = &power_pkts[0];
cur_pkt = &power_pkts[1];
//both are empty
tx_pkt->status = POWER_PKT_EMPTY;
cur_pkt->status = POWER_PKT_EMPTY;
//initialize runtime configs
wemo_config.echo = false;
wemo_config.debug_level = DEBUG_ERROR;
wemo_config.collect_data = true; //collect power data
//check if we are on USB
if(gpio_pin_is_high(VBUS_PIN)){
rgb_led_set(LED_LT_BLUE,0);
//don't start wifi because we are configuring
b_wifi_enabled=false;
//don't collect power data
wemo_config.collect_data = false;
}
//check if the plug is in calibrate mode
if(wemo_config.calibrate){
//start the calibration PWM
pwm_channel_enable_interrupt(PWM,CAL_PWM_CHANNEL,CAL_PWM_CHANNEL);
pwm_channel_enable(PWM,CAL_PWM_CHANNEL);
//don't start wifi because we are in calibration mode
b_wifi_enabled=false;
wemo_config.standalone = true;
wemo_config.collect_data = false;
//indicate cal mode with a purple LED
rgb_led_set(LED_PURPLE,0);
}
//check if reset is pressed
if(gpio_pin_is_low(BUTTON_PIN)){
//erase the configs
memset(wemo_config.nilm_id,0x0,MAX_CONFIG_LEN);
memset(wemo_config.nilm_ip_addr,0x0,MAX_CONFIG_LEN);
memset(wemo_config.wifi_ssid,0x0,MAX_CONFIG_LEN);
memset(wemo_config.wifi_pwd,0x0,MAX_CONFIG_LEN);
//save the erased config
fs_write_config();
core_log("erased config");
//erase the stored data
//spin until button is released
rgb_led_set(LED_ORANGE,500);
while(gpio_pin_is_low(BUTTON_PIN));
rgb_led_set(LED_ORANGE,0); //disable blink
}
//setup WIFI
if(b_wifi_enabled){
if(wifi_init()!=0){
rgb_led_set(LED_PURPLE,0);
}
else{
//good to go! turn light green
rgb_led_set(LED_LT_GREEN,0);
}
}
//initialize the wifi_rx buffer and flag
wifi_rx_buf_full = false;
memset(wifi_rx_buf,0x0,WIFI_RX_BUF_SIZE);
while (1) {
//***** SYS TICK ACTIONS ******
if(sys_tick!=prev_tick){
//check if there is a valid wemo sample
if(wemo_sample.valid==true && wemo_config.collect_data){
core_log_power_data(&wemo_sample);
}
wemo_read_power();
wdt_restart(WDT);
prev_tick = sys_tick;
}
//check for pending data from the Internet
if(wifi_rx_buf_full){
core_process_wifi_data();
wifi_rx_buf_full=false;
}
//see if we have any commands to run
if(cmd_buf_full){
runcmd(cmd_buf); // run it
//clear the buffer
cmd_buf_idx = 0;
memset(cmd_buf,0x0,CMD_BUF_SIZE);
if(wemo_config.echo)
printf("\r> "); //print the prompt
cmd_buf_full=false;
}
}
}
/**
* \brief Application entry point for PWM with LED example.
* Output PWM waves on LEDs to make them fade in and out.
*
* \return Unused (ANSI-C compatibility).
*/
int main(void)
{
/* Initialize the SAM system */
sysclk_init();
board_init();
/* Configure the console uart for debug information */
configure_console();
/* Output example information */
puts(STRING_HEADER);
/* Enable PWM peripheral clock */
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
pmc_enable_periph_clk(ID_PWM0);
#else
pmc_enable_periph_clk(ID_PWM);
#endif
/* Disable PWM channels for LEDs */
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
pwm_channel_disable(PWM0, PIN_PWM_LED0_CHANNEL);
pwm_channel_disable(PWM0, PIN_PWM_LED1_CHANNEL);
#else
pwm_channel_disable(PWM, PIN_PWM_LED0_CHANNEL);
pwm_channel_disable(PWM, PIN_PWM_LED1_CHANNEL);
#endif
/* Set PWM clock A as PWM_FREQUENCY*PERIOD_VALUE (clock B is not used) */
pwm_clock_t clock_setting = {
.ul_clka = PWM_FREQUENCY * PERIOD_VALUE,
.ul_clkb = 0,
.ul_mck = sysclk_get_cpu_hz()
};
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
pwm_init(PWM0, &clock_setting);
#else
pwm_init(PWM, &clock_setting);
#endif
/* Initialize PWM channel for LED0 */
/* Period is left-aligned */
g_pwm_channel_led.alignment = PWM_ALIGN_LEFT;
/* Output waveform starts at a low level */
g_pwm_channel_led.polarity = PWM_LOW;
/* Use PWM clock A as source clock */
g_pwm_channel_led.ul_prescaler = PWM_CMR_CPRE_CLKA;
/* Period value of output waveform */
g_pwm_channel_led.ul_period = PERIOD_VALUE;
/* Duty cycle value of output waveform */
g_pwm_channel_led.ul_duty = INIT_DUTY_VALUE;
g_pwm_channel_led.channel = PIN_PWM_LED0_CHANNEL;
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
pwm_channel_init(PWM0, &g_pwm_channel_led);
#else
pwm_channel_init(PWM, &g_pwm_channel_led);
#endif
/* Enable channel counter event interrupt */
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
pwm_channel_enable_interrupt(PWM0, PIN_PWM_LED0_CHANNEL, 0);
#else
pwm_channel_enable_interrupt(PWM, PIN_PWM_LED0_CHANNEL, 0);
#endif
/* Initialize PWM channel for LED1 */
/* Period is center-aligned */
g_pwm_channel_led.alignment = PWM_ALIGN_CENTER;
/* Output waveform starts at a high level */
g_pwm_channel_led.polarity = PWM_HIGH;
/* Use PWM clock A as source clock */
g_pwm_channel_led.ul_prescaler = PWM_CMR_CPRE_CLKA;
/* Period value of output waveform */
g_pwm_channel_led.ul_period = PERIOD_VALUE;
/* Duty cycle value of output waveform */
g_pwm_channel_led.ul_duty = INIT_DUTY_VALUE;
g_pwm_channel_led.channel = PIN_PWM_LED1_CHANNEL;
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
pwm_channel_init(PWM0, &g_pwm_channel_led);
/* Disable channel counter event interrupt */
pwm_channel_disable_interrupt(PWM0, PIN_PWM_LED1_CHANNEL, 0);
#else
pwm_channel_init(PWM, &g_pwm_channel_led);
/* Disable channel counter event interrupt */
pwm_channel_disable_interrupt(PWM, PIN_PWM_LED1_CHANNEL, 0);
#endif
/* Configure interrupt and enable PWM interrupt */
#if (SAMV70 || SAMV71 || SAME70 || SAMS70)
NVIC_DisableIRQ(PWM0_IRQn);
NVIC_ClearPendingIRQ(PWM0_IRQn);
NVIC_SetPriority(PWM0_IRQn, 0);
NVIC_EnableIRQ(PWM0_IRQn);
/* Enable PWM channels for LEDs */
pwm_channel_enable(PWM0, PIN_PWM_LED0_CHANNEL);
pwm_channel_enable(PWM0, PIN_PWM_LED1_CHANNEL);
#else
NVIC_DisableIRQ(PWM_IRQn);
NVIC_ClearPendingIRQ(PWM_IRQn);
NVIC_SetPriority(PWM_IRQn, 0);
NVIC_EnableIRQ(PWM_IRQn);
/* Enable PWM channels for LEDs */
pwm_channel_enable(PWM, PIN_PWM_LED0_CHANNEL);
pwm_channel_enable(PWM, PIN_PWM_LED1_CHANNEL);
#endif
/* Infinite loop */
while (1) {
}
}
void init_pwm(void)
{
/* Enable PWM peripheral clock */
pmc_enable_periph_clk(ID_PWM0);
/* Disable PWM channels for LEDs */
pwm_channel_disable(PWM0, PIN_PWM_LED0_CHANNEL);
pwm_channel_disable(PWM0, PIN_PWM_LED1_CHANNEL);
/* Set PWM clock A as PWM_FREQUENCY*PERIOD_VALUE (clock B is not used) */
pwm_clock_t clock_setting = {
.ul_clka = PWM_FREQUENCY * PERIOD_VALUE,
.ul_clkb = 0,
.ul_mck = sysclk_get_cpu_hz()
};
pwm_init(PWM0, &clock_setting);
/* Initialize PWM channel for LED0 */
/* Period is left-aligned */
g_pwm_channel_led.alignment = PWM_ALIGN_LEFT;
/* Output waveform starts at a low level */
g_pwm_channel_led.polarity = PWM_LOW;
/* Use PWM clock A as source clock */
g_pwm_channel_led.ul_prescaler = PWM_CMR_CPRE_CLKA;
/* Period value of output waveform */
g_pwm_channel_led.ul_period = PERIOD_VALUE;
/* Duty cycle value of output waveform */
g_pwm_channel_led.ul_duty = INIT_DUTY_VALUE;
g_pwm_channel_led.channel = PIN_PWM_LED0_CHANNEL;
pwm_channel_init(PWM0, &g_pwm_channel_led);
/* Enable channel counter event interrupt */
pwm_channel_enable_interrupt(PWM0, PIN_PWM_LED0_CHANNEL, 0);
/* Initialize PWM channel for LED1 */
/* Period is center-aligned */
g_pwm_channel_led.alignment = PWM_ALIGN_CENTER;
/* Output waveform starts at a high level */
g_pwm_channel_led.polarity = PWM_HIGH;
/* Use PWM clock A as source clock */
g_pwm_channel_led.ul_prescaler = PWM_CMR_CPRE_CLKA;
/* Period value of output waveform */
g_pwm_channel_led.ul_period = PERIOD_VALUE;
/* Duty cycle value of output waveform */
g_pwm_channel_led.ul_duty = INIT_DUTY_VALUE;
g_pwm_channel_led.channel = PIN_PWM_LED1_CHANNEL;
pwm_channel_init(PWM0, &g_pwm_channel_led);
/* Disable channel counter event interrupt */
pwm_channel_disable_interrupt(PWM0, PIN_PWM_LED1_CHANNEL, 0);
/* Configure interrupt and enable PWM interrupt */
NVIC_DisableIRQ(PWM0_IRQn);
NVIC_ClearPendingIRQ(PWM0_IRQn);
NVIC_SetPriority(PWM0_IRQn, 0);
NVIC_EnableIRQ(PWM0_IRQn);
/* Enable PWM channels for LEDs */
pwm_channel_enable(PWM0, PIN_PWM_LED0_CHANNEL);
//jsi 15feb16 pwm_channel_enable(PWM0, PIN_PWM_LED1_CHANNEL);
}