/******************************************************************************
* FunctionName : pwm_period_timer
* Description : pwm period timer function, output high level,
* start each channel's high level timer
* Parameters : NONE
* Returns : NONE
*******************************************************************************/
LOCAL void ICACHE_RAM_ATTR
pwm_tim1_intr_handler(void)
{
uint8 local_toggle = pwm_toggle; // pwm_toggle may change outside
RTC_CLR_REG_MASK(FRC1_INT_ADDRESS, FRC1_INT_CLR_MASK);
if (pwm_current_channel >= (*pwm_channel - 1)) { // *pwm_channel may change outside
pwm_single = pwm_single_toggle[local_toggle];
pwm_channel = &pwm_channel_toggle[local_toggle];
gpio_output_set(pwm_single[*pwm_channel - 1].gpio_set,
pwm_single[*pwm_channel - 1].gpio_clear,
pwm_gpio,
0);
pwm_current_channel = 0;
if (*pwm_channel != 1) {
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, pwm_single[pwm_current_channel].h_time);
} else {
pwm_timer_down = 1;
}
} else {
gpio_output_set(pwm_single[pwm_current_channel].gpio_set,
pwm_single[pwm_current_channel].gpio_clear,
pwm_gpio, 0);
pwm_current_channel++;
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, pwm_single[pwm_current_channel].h_time);
}
}
/******************************************************************************
* FunctionName : pwm_init
* Description : pwm gpio, params and timer initialization
* Parameters : uint16 freq : pwm freq param
* uint16 *duty : each channel's duty
* Returns : NONE
*******************************************************************************/
void ICACHE_FLASH_ATTR
pwm_init(uint16 freq, uint16 *duty)
{
uint8 i;
RTC_REG_WRITE(FRC1_CTRL_ADDRESS, //FRC2_AUTO_RELOAD|
DIVDED_BY_16
| FRC1_ENABLE_TIMER
| TM_EDGE_INT);
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, 0);
// PIN_FUNC_SELECT(PWM_0_OUT_IO_MUX, PWM_0_OUT_IO_FUNC);
// PIN_FUNC_SELECT(PWM_1_OUT_IO_MUX, PWM_1_OUT_IO_FUNC);
// PIN_FUNC_SELECT(PWM_2_OUT_IO_MUX, PWM_2_OUT_IO_FUNC);
// GPIO_OUTPUT_SET(GPIO_ID_PIN(PWM_0_OUT_IO_NUM), 0);
// GPIO_OUTPUT_SET(GPIO_ID_PIN(PWM_1_OUT_IO_NUM), 0);
// GPIO_OUTPUT_SET(GPIO_ID_PIN(PWM_2_OUT_IO_NUM), 0);
for (i = 0; i < PWM_CHANNEL; i++) {
// pwm_gpio |= (1 << pwm_out_io_num[i]);
pwm_gpio = 0;
pwm.duty[i] = 0;
}
pwm_set_freq(500, 0);
// pwm_set_freq_duty(freq, duty);
pwm_start();
ETS_FRC_TIMER1_INTR_ATTACH(pwm_tim1_intr_handler, NULL);
TM1_EDGE_INT_ENABLE();
ETS_FRC1_INTR_ENABLE();
}
/******************************************************************************
* FunctionName : pwm_period_timer
* Description : pwm period timer function, output high level,
* start each channel's high level timer
* Parameters : NONE
* Returns : NONE
*******************************************************************************/
LOCAL void
pwm_tim1_intr_handler(void)
{
RTC_CLR_REG_MASK(FRC1_INT_ADDRESS, FRC1_INT_CLR_MASK);
if (pwm_current_channel == (*pwm_channel - 1)) {
pwm_single = pwm_single_toggle[pwm_toggle];
pwm_channel = &pwm_channel_toggle[pwm_toggle];
gpio_output_set(pwm_single[*pwm_channel - 1].gpio_set,
pwm_single[*pwm_channel - 1].gpio_clear,
pwm_gpio,
0);
pwm_current_channel = 0;
if (*pwm_channel != 1) {
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, pwm_single[pwm_current_channel].h_time);
} else {
pwm_timer_down = 1;
}
} else {
gpio_output_set(pwm_single[pwm_current_channel].gpio_set,
pwm_single[pwm_current_channel].gpio_clear,
pwm_gpio, 0);
pwm_current_channel++;
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, pwm_single[pwm_current_channel].h_time);
}
}
void hw_timer_init(uint8 req)
{
if (req == 1) {
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
FRC1_AUTO_LOAD | DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
} else {
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
}
_xt_isr_attach(ETS_FRC_TIMER1_INUM, hw_timer_isr_cb, NULL);
TM1_EDGE_INT_ENABLE();
_xt_isr_unmask(1 << ETS_FRC_TIMER1_INUM);
}
/******************************************************************************
* FunctionName : hw_timer_init
* Description : initilize the hardware isr timer
* Parameters :
FRC1_TIMER_SOURCE_TYPE source_type:
FRC1_SOURCE, timer use frc1 isr as isr source.
NMI_SOURCE, timer use nmi isr as isr source.
u8 req:
0, not autoload,
1, autoload mode,
* Returns : NONE
*******************************************************************************/
void ICACHE_FLASH_ATTR hw_timer_init(FRC1_TIMER_SOURCE_TYPE source_type, u8 req)
{
if (req == 1) {
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
FRC1_AUTO_LOAD | DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
} else {
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
}
if (source_type == NMI_SOURCE) {
ETS_FRC_TIMER1_NMI_INTR_ATTACH(hw_timer_isr_cb);
} else {
ETS_FRC_TIMER1_INTR_ATTACH(hw_timer_isr_cb, NULL);
}
TM1_EDGE_INT_ENABLE();
ETS_FRC1_INTR_ENABLE();
}
void ICACHE_FLASH_ATTR StartHPATimer()
{
RTC_REG_WRITE(FRC1_CTRL_ADDRESS, FRC1_AUTO_RELOAD|
DIVDED_BY_16 | //5MHz main clock.
FRC1_ENABLE_TIMER |
TM_EDGE_INT );
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, 5000000/DFREQ);
RTC_REG_WRITE(FRC1_COUNT_ADDRESS, 5000000/DFREQ);
//pwm_set_freq_duty(freq, duty);
//pwm_start();
// RTC_REG_WRITE(FRC1_LOAD_ADDRESS, local_single[0].h_time);
ETS_FRC_TIMER1_INTR_ATTACH(timerhandle, NULL);
TM1_EDGE_INT_ENABLE();
ETS_FRC1_INTR_ENABLE();
system_timer_reinit();
hs_adc_start();
}
void gpioCallback(void *arg)
{
uint16 gpio_status = 0;
static uint32 currTicks = 0;
static uint32 prevTicks = 0;
/* get the GPIO interrupt status */
gpio_status = GPIO_REG_READ( GPIO_STATUS_ADDRESS );
/* clear the interrupt */
GPIO_REG_WRITE( GPIO_STATUS_W1TC_ADDRESS, gpio_status);
/* did GPIO 12 (connected to IR receiver) generate the ISR? */
if( gpio_status == BIT(12) )
{
/* yes, and is it the first edge of the IR message frame? */
if ( edgeIndex == 0 )
{
/* yes, then store counter value */
prevTicks = RTC_REG_READ(FRC1_COUNT_ADDRESS);
/* and start the HW TIMER */
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
/* reset relevant variables */
minInterval = 0xFFFFFFFF; // initialize to a very big number
rawIrMsgLen = 0;
#if 1
os_printf("\n\nBeginning of IR message frame detected");
#endif
//Set GPIO0 to HIGH
gpio_output_set( BIT0, 0, BIT0, 0 );
}
else
{
/* record time of current edge */
currTicks = RTC_REG_READ( FRC1_COUNT_ADDRESS );
/* record time interval between current edge and previous edge */
intervalArr[ edgeIndex - 1 ] = ticksToUs( prevTicks - currTicks );
/* keep track the shortest interval */
minInterval = ( intervalArr[ edgeIndex - 1 ] < minInterval ) ? intervalArr[ edgeIndex - 1 ] : minInterval;
/* save time of current edge */
prevTicks = currTicks;
}
edgeIndex++;
}
}
bool Hardware_Timer::start(bool repeating/* = true*/)
{
this->repeating = repeating;
stop();
if(interval == 0 || !callback)
return started;
if (this->repeating == 1) {
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
FRC1_AUTO_LOAD | DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
} else {
RTC_REG_WRITE(FRC1_CTRL_ADDRESS,
DIVDED_BY_16 | FRC1_ENABLE_TIMER | TM_EDGE_INT);
}
TM1_EDGE_INT_ENABLE();
ETS_FRC1_INTR_ENABLE();
started = true;
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, US_TO_RTC_TIMER_TICKS(interval));
return started;
}
//Call this with PWM disabled.
static void ICACHE_FLASH_ATTR enableNightlight(int ena) {
int x;
//Kill PWM
RTC_REG_WRITE(FRC1_CTRL_ADDRESS, 0);
TM1_EDGE_INT_DISABLE();
if (ena) {
gpio_output_set((1<<NIGHTLIGHT_ON_PIN), (1<<NIGHTLIGHT_OFF_PIN), (1<<NIGHTLIGHT_ON_PIN)|(1<<NIGHTLIGHT_OFF_PIN), 0);
os_delay_us(100);
} else {
gpio_output_set((1<<NIGHTLIGHT_OFF_PIN), (1<<NIGHTLIGHT_ON_PIN), (1<<NIGHTLIGHT_ON_PIN)|(1<<NIGHTLIGHT_OFF_PIN), 0);
os_delay_us(10000);
}
gpio_output_set(0, (1<<NIGHTLIGHT_OFF_PIN)|(1<<NIGHTLIGHT_ON_PIN), (1<<NIGHTLIGHT_ON_PIN)|(1<<NIGHTLIGHT_OFF_PIN), 0);
}
void hw_timer_arm(uint32 val)
{
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, US_TO_RTC_TIMER_TICKS(val));
}
void ICACHE_FLASH_ATTR
pwm_start(void)
{
uint8 i, j;
PWM_DBG("--Function pwm_start() is called\n");
PWM_DBG("pwm_gpio:%x,pwm_channel_num:%d\n",pwm_gpio,pwm_channel_num);
PWM_DBG("pwm_out_io_num[0]:%d,[1]:%d,[2]:%d\n",pwm_out_io_num[0],pwm_out_io_num[1],pwm_out_io_num[2]);
PWM_DBG("pwm.period:%d,pwm.duty[0]:%d,[1]:%d,[2]:%d\n",pwm.period,pwm.duty[0],pwm.duty[1],pwm.duty[2]);
LOCK_PWM(critical); // enter critical
struct pwm_single_param *local_single = pwm_single_toggle[pwm_toggle ^ 0x01];
uint8 *local_channel = &pwm_channel_toggle[pwm_toggle ^ 0x01];
// step 1: init PWM_CHANNEL+1 channels param
for (i = 0; i < pwm_channel_num; i++) {
uint32 us = pwm.period * pwm.duty[i] / PWM_DEPTH;
local_single[i].h_time = US_TO_RTC_TIMER_TICKS(us);
PWM_DBG("i:%d us:%d ht:%d\n",i,us,local_single[i].h_time);
local_single[i].gpio_set = 0;
local_single[i].gpio_clear = 1 << pin_num[pwm_out_io_num[i]];
}
local_single[pwm_channel_num].h_time = US_TO_RTC_TIMER_TICKS(pwm.period);
local_single[pwm_channel_num].gpio_set = pwm_gpio;
local_single[pwm_channel_num].gpio_clear = 0;
PWM_DBG("i:%d period:%d ht:%d\n",pwm_channel_num,pwm.period,local_single[pwm_channel_num].h_time);
// step 2: sort, small to big
pwm_insert_sort(local_single, pwm_channel_num + 1);
*local_channel = pwm_channel_num + 1;
PWM_DBG("1channel:%d,single[0]:%d,[1]:%d,[2]:%d,[3]:%d\n",*local_channel,local_single[0].h_time,local_single[1].h_time,local_single[2].h_time,local_single[3].h_time);
// step 3: combine same duty channels
for (i = pwm_channel_num; i > 0; i--) {
if (local_single[i].h_time == local_single[i - 1].h_time) {
local_single[i - 1].gpio_set |= local_single[i].gpio_set;
local_single[i - 1].gpio_clear |= local_single[i].gpio_clear;
for (j = i + 1; j < *local_channel; j++) {
os_memcpy(&local_single[j - 1], &local_single[j], sizeof(struct pwm_single_param));
}
(*local_channel)--;
}
}
PWM_DBG("2channel:%d,single[0]:%d,[1]:%d,[2]:%d,[3]:%d\n",*local_channel,local_single[0].h_time,local_single[1].h_time,local_single[2].h_time,local_single[3].h_time);
// step 4: cacl delt time
for (i = *local_channel - 1; i > 0; i--) {
local_single[i].h_time -= local_single[i - 1].h_time;
}
// step 5: last channel needs to clean
local_single[*local_channel-1].gpio_clear = 0;
// step 6: if first channel duty is 0, remove it
if (local_single[0].h_time == 0) {
local_single[*local_channel - 1].gpio_set &= ~local_single[0].gpio_clear;
local_single[*local_channel - 1].gpio_clear |= local_single[0].gpio_clear;
for (i = 1; i < *local_channel; i++) {
os_memcpy(&local_single[i - 1], &local_single[i], sizeof(struct pwm_single_param));
}
(*local_channel)--;
}
// if timer is down, need to set gpio and start timer
if (pwm_timer_down == 1) {
pwm_channel = local_channel;
pwm_single = local_single;
// start
gpio_output_set(local_single[0].gpio_set, local_single[0].gpio_clear, pwm_gpio, 0);
// yeah, if all channels' duty is 0 or 255, don't need to start timer, otherwise start...
if (*local_channel != 1) {
pwm_timer_down = 0;
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, local_single[0].h_time);
}
}
if (pwm_toggle == 1) {
pwm_toggle = 0;
} else {
pwm_toggle = 1;
}
UNLOCK_PWM(critical); // leave critical
PWM_DBG("3channel:%d,single[0]:%d,[1]:%d,[2]:%d,[3]:%d\n",*local_channel,local_single[0].h_time,local_single[1].h_time,local_single[2].h_time,local_single[3].h_time);
}
void ICACHE_FLASH_ATTR
pwm_start(void)
{
uint8 i, j;
struct pwm_single_param *local_single = pwm_single_toggle[pwm_toggle ^ 0x01];
uint8 *local_channel = &pwm_channel_toggle[pwm_toggle ^ 0x01];
// step 1: init PWM_CHANNEL+1 channels param
for (i = 0; i < PWM_CHANNEL; i++) {
uint32 us = pwm.period * pwm.duty[i] / PWM_DEPTH;
local_single[i].h_time = US_TO_RTC_TIMER_TICKS(us);
local_single[i].gpio_set = 0;
local_single[i].gpio_clear = 1 << pwm_out_io_num[i];
}
local_single[PWM_CHANNEL].h_time = US_TO_RTC_TIMER_TICKS(pwm.period);
local_single[PWM_CHANNEL].gpio_set = pwm_gpio;
local_single[PWM_CHANNEL].gpio_clear = 0;
// step 2: sort, small to big
pwm_insert_sort(local_single, PWM_CHANNEL + 1);
*local_channel = PWM_CHANNEL + 1;
// step 3: combine same duty channels
for (i = PWM_CHANNEL; i > 0; i--) {
if (local_single[i].h_time == local_single[i - 1].h_time) {
local_single[i - 1].gpio_set |= local_single[i].gpio_set;
local_single[i - 1].gpio_clear |= local_single[i].gpio_clear;
for (j = i + 1; j < *local_channel; j++) {
os_memcpy(&local_single[j - 1], &local_single[j], sizeof(struct pwm_single_param));
}
(*local_channel)--;
}
}
// step 4: cacl delt time
for (i = *local_channel - 1; i > 0; i--) {
local_single[i].h_time -= local_single[i - 1].h_time;
}
// step 5: last channel needs to clean
local_single[*local_channel-1].gpio_clear = 0;
// step 6: if first channel duty is 0, remove it
if (local_single[0].h_time == 0) {
local_single[*local_channel - 1].gpio_set &= ~local_single[0].gpio_clear;
local_single[*local_channel - 1].gpio_clear |= local_single[0].gpio_clear;
for (i = 1; i < *local_channel; i++) {
os_memcpy(&local_single[i - 1], &local_single[i], sizeof(struct pwm_single_param));
}
(*local_channel)--;
}
// if timer is down, need to set gpio and start timer
if (pwm_timer_down == 1) {
pwm_channel = local_channel;
pwm_single = local_single;
// start
gpio_output_set(local_single[0].gpio_set, local_single[0].gpio_clear, pwm_gpio, 0);
// yeah, if all channels' duty is 0 or 255, don't need to start timer, otherwise start...
if (*local_channel != 1) {
pwm_timer_down = 0;
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, local_single[0].h_time);
}
}
if (pwm_toggle == 1) {
pwm_toggle = 0;
} else {
pwm_toggle = 1;
}
}
// initialize the custom stuff that goes beyond esp-link
void user_init()
{
// Initialize the GPIO subsystem.
gpio_init();
/* ====================================== */
/* UART */
/* ====================================== */
// Initialize UART0 and UART1
/* NOTE: UART1 and I2S share same GPIO. Cannot use simultaneously. */
uart_init( BIT_RATE_115200, BIT_RATE_115200 );
// uart0_sendStr( "\nUART0 - USED TO PROGRAM THE MODULE\n" );
os_printf("\n===================\nUART1 - DEBUG OUPUT\n===================\n");
/* NOTE: PWM CANNOT BE USED SIMULTANEOUSLY WITH HW TIMER */
#if 0
/* ====================================== */
/* PWM */
/* ====================================== */
uint32 pwm_period = 1000;
uint32 pwm_duty[PWM_CHANNEL] = {0};
uint32 io_info[][3] = { {PWM_0_OUT_IO_MUX,PWM_0_OUT_IO_FUNC,PWM_0_OUT_IO_NUM},
{PWM_1_OUT_IO_MUX,PWM_1_OUT_IO_FUNC,PWM_1_OUT_IO_NUM},
};
/* PIN FUNCTION INIT FOR PWM OUTPUT */
pwm_init(pwm_period, pwm_duty, PWM_CHANNEL, io_info);
/* set pwm_duty cycle */
pwm_set_duty (14185, 0);
pwm_set_duty (22222, 1); // todo: explain why 22222 is the highest possible value
/* start PWM */
pwm_start(); // NOTE: PWM causes spikes in other GPIOs
#endif
/* ====================================== */
/* GPIO INTERRPUT */
/* ====================================== */
/* Set GPIO12 in GPIO mode */
PIN_FUNC_SELECT( PERIPHS_IO_MUX_MTDI_U, FUNC_GPIO12 );
/* Set GPIO12 as input */
GPIO_DIS_OUTPUT( GPIO_ID_PIN(12) );
/* Disable all GPIO interrupts */
ETS_GPIO_INTR_DISABLE();
/* Set a GPIO callback function */
ETS_GPIO_INTR_ATTACH( gpioCallback, NULL );
/* Configure the type of edge */
gpio_pin_intr_state_set( GPIO_ID_PIN(12), GPIO_PIN_INTR_ANYEDGE );
ETS_GPIO_INTR_ENABLE();
/* ====================================== */
/* SOFTWARE TIMER */
/* ====================================== */
// Set GPIO0 to output mode
PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0);
//Set GPIO0 low
gpio_output_set(0, RELAY_PIN, RELAY_PIN, 0);
/* disarm timer */
os_timer_disarm((ETSTimer*)&some_timer);
/* set callback */
os_timer_setfn((ETSTimer*)&some_timer, (os_timer_func_t *) softwareTimerCallback, NULL);
/* arm the timer -> os_timer_arm(<pointer>, <period in ms>, <fire periodically>) */
os_timer_arm((ETSTimer*)&some_timer, 10, 1);
/* ====================================== */
/* OS TASK */
/* ====================================== */
/* setup OS task */
// system_os_task(user_procTask, user_procTaskPrio, user_procTaskQueue, user_procTaskQueueLen);
/* send a message to OS task (fire task) */
// system_os_post(user_procTaskPrio, 0, 0 );
/* ====================================== */
/* HARDWARE TIMER */
/* ====================================== */
/* The hardware timer is used to indicate when a complete IR message frame should have
* arrived in order to process the received data and calculate the IR command.
*
* It is configured in "one-shot" mode. It is started when the beginning of an
* IR message frame is detected and stopped after the complete message frame has been read.
* This means that the duration of the HW timer should be longer than the duration of
* the longest message frame. In the NEC IR tranmission protocol all message frames have
* a duration of approximately 67.5ms.
*/
/* load the HW TIMER */
uint32 ticks = usToTicks(70000); // 70ms
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, ticks);
/* register callback function */
ETS_FRC_TIMER1_INTR_ATTACH( hwTimerCallback, NULL );
/* enable interrupts */
TM1_EDGE_INT_ENABLE();
ETS_FRC1_INTR_ENABLE();
/* don't start timer yet */
/* the timer is started inside the GPIO INT callback */
/* ====================================== */
/* UDP SERVER */
/* ====================================== */
/* usage: echo <data> | nc -wl -u <ip address> <port>
* example: echo "foo" | nc -w1 -u 192.168.1.187 7777 */
/* allocate space for server */
pUdpServer = (struct espconn *) os_zalloc(sizeof(struct espconn));
/* clear allocated memory */
ets_memset(pUdpServer, 0, sizeof(struct espconn));
/* create the server */
espconn_create(pUdpServer);
/* set the type of server */
pUdpServer->type = ESPCONN_UDP;
/* allocate memory for UDP settings */
pUdpServer->proto.udp = (esp_udp *) os_zalloc(sizeof(esp_udp));
/* set the port that the server will be listening to */
pUdpServer->proto.udp->local_port = 7777;
/* register the callback */
espconn_regist_recvcb(pUdpServer, udpServerRxCb);
/* start listening */
if (espconn_create(pUdpServer))
{
while (1) { os_printf("Error creating a UDP server\n"); }
}
/* ====================================== */
/* WIFI */
/* ====================================== */
wifi_set_opmode(STATION_MODE);
wifi_station_get_config_default(&stconf);
// os_strncpy((char*) stconf.ssid, "TP-LINK_2.4GHz_FC2E51", 32);
// os_strncpy((char*) stconf.password, "tonytony", 64);
os_strncpy((char*) stconf.ssid, "WLAN-PUB", 32);
os_strncpy((char*) stconf.password, "", 64);
// os_strncpy((char*) stconf.ssid, "MAD air", 32);
// os_strncpy((char*) stconf.password, "glioninlog", 64);
stconf.bssid_set = 0;
wifi_station_set_config(&stconf);
// /* ====================================== */
// /* WS2812 LED STRIP */
// /* ====================================== */
//
// /* NOTE: UART1 and I2S share same GPIO. Cannot use simultaneously. */
// ws2812_init();
//
// /* G R B */
// uint8_t ledout[] = {
// 0xff, 0x00, 0x00, //4th
//// 0xff, 0x00, 0x00, //3rd
//// 0x00, 0xff, 0x00, //2nd
//// 0x00, 0x00, 0xff, //1st
// };
//
//#if 0
// os_printf("\r\nB R G: %x %x %x\r\n", ledout[0], ledout[1],ledout[2]);
//#endif
//
// ws2812_push( ledout, sizeof( ledout ) );
/* ====================================== */
/* TCP CONNECTION */
/* ====================================== */
/* allocate space for server */
pTcpConn = (struct espconn *) os_zalloc(sizeof(struct espconn));
/* clear allocated memory */
ets_memset(pTcpConn, 0, sizeof(struct espconn));
/* set the type of connection */
pTcpConn->type = ESPCONN_TCP;
/* set state to NONE */
pTcpConn->state = ESPCONN_NONE;
/* allocate memory for TCP settings */
pTcpConn->proto.tcp = (esp_tcp *) os_zalloc(sizeof(esp_tcp));
/* set the port that the connection will be listening to */
pTcpConn->proto.tcp->local_port = espconn_port();
/* set the remote port and IP address */
pTcpConn->proto.tcp->remote_port = 80;
os_memcpy(pTcpConn->proto.tcp->remote_ip, server_ip_address, sizeof(server_ip_address));
/* register callbacks */
espconn_regist_connectcb(pTcpConn, tcpConnCb);
espconn_regist_reconcb(pTcpConn, tcpReconnCb);
/* disarm timer */
os_timer_disarm((ETSTimer*)&wifi_setup_timer);
/* set callback */
os_timer_setfn((ETSTimer*)&wifi_setup_timer, (os_timer_func_t *) wifiConnectTimerCb, NULL);
/* arm the timer -> os_timer_arm(<pointer>, <period in ms>, <fire periodically>) */
os_timer_arm((ETSTimer*)&wifi_setup_timer, 5000, 1);
return;
}
void hwTimerCallback( void )
{
int i, j;
int logicState = 1;
int logicStateLen = 0;
bool repeatCode = false;
/* stop the HW TIMER */
RTC_REG_WRITE(FRC1_CTRL_ADDRESS, DIVDED_BY_16 | TM_EDGE_INT);
//Set GPIO0 to LOW
gpio_output_set(0, BIT0, BIT0, 0);
/* load the HW TIMER for next IR message frame */
uint32 ticks = usToTicks(70000);
RTC_REG_WRITE(FRC1_LOAD_ADDRESS, ticks);
/* derive the raw IR message frame */
for( i = 0 ; i < ( edgeIndex - 1 ) ; i++)
{
/* find number of bits in current interval */
logicStateLen = ( intervalArr[i] / minInterval );
for( j = 0 ; j < logicStateLen ; j++)
{
rawIrMsg[ rawIrMsgLen ] = logicState;
rawIrMsgLen++;
}
/* toggle state */
logicState ^= 1;
#if 0
os_printf( "\r\nDuration of interval %d: %d us\r\n", i, intervalArr[i] );
#endif
}
#if 1
/* print the received raw IR message frame */
os_printf( "\r\nRAW IR CODE: ");
for ( i = 0 ; i < rawIrMsgLen ; i++ )
{
os_printf( "%d", rawIrMsg[i] );
}
#endif
/**********************************************
* DECODE NEC MESSAGE FRAME!
* - every message frame contains 32 coded bits
**********************************************/
/* set index to the beginning of the coded bits */
/* the message frame starts with a burst of 16 logic 1's, skip them all */
i = 0 ;
while ( rawIrMsg[i] == 1 ) i++;
/* the message frame continues with a burst of 8 logic 0's, skip them all */
j = 0;
while (rawIrMsg[i] == 0)
{
i++;
j++;
}
/* if the number of zeros is 4, then ignore the current message frame since
* it corresponds to a "REPEATED CODE".
*/
if ( j <= 4 )
{
#if 1
os_printf( "\r\nREPEATED CODE");
#endif
repeatCode = true;
}
/* decode raw message only if it is not a repeat code */
if (repeatCode == false)
{
/* at this point 'i' contains the index of the beginning of the encoded bits */
/* decode raw message
* - [1][0][0][0] represents a '1'
* - [1][0] represents a '0'
*/
irCmd = 0;
for (j = 0; j < 32; j++)
{
if (rawIrMsg[i + 2] == 0)
{
/* it is a '1', so left shift a '1' */
irCmd = (irCmd << 1) | 1;
/* move to the beginning of the next encoded bit
* (increment i until next 1 in raw message frame)
*/
do {i++;} while ( rawIrMsg[i] == 0 );
}
else {
/* it is a '0', so left shift a '0' */
irCmd = irCmd << 1;
/* move to the beginning of the next encoded bit */
i += 2;
}
}
#if 1
/* print the received IR cmd */
os_printf("\r\nIR CMD: %x", irCmd);
#endif
}
/**********************************************
* END - DECODE NEC MESSAGE FRAME!
* - every message frame contains 32 coded bits
**********************************************/
/* reset index */
edgeIndex = 0;
#if 1
os_printf("\r\nEnd of IR message frame\r\n");
#endif
return;
}
