void
systick_isr(void)
{
for (;;) {
flash_led(0x01);
flash_led(0x02);
busywait(800);
}
}
int main(void)
{
// use the system led flasher to flash one of the leds
flash_led(LED1);
appdata_t appdata;
log_init(&appdata.log, "main");
// initialise filesystem
sdcard_mount(&sddisk, 0);
// initialize the test usart device
log_info(&appdata.log, "init %s on %s...", TEST_USART_DEV, "TEST_USART");
usart_create_dev(TEST_USART_DEV, TEST_USART, USART_FULLDUPLEX, 115200, TEST_USART_BUFSIZE);
// start up the application
pthread_t app_thread;
pthread_attr_t app_attr;
pthread_attr_init(&app_attr);
pthread_attr_setstacksize(&app_attr, 384);
pthread_attr_setdetachstate(&app_attr, PTHREAD_CREATE_DETACHED);
pthread_create(&app_thread, &app_attr, (void*(*)(void*))test_task, &appdata);
pthread_attr_destroy(&app_attr);
pthread_exit(0);
return 0;
}
int main(void)
{
flash_led(LED1);
// init logger
log_init(&mainlog, "main");
lcd_init();
graphics_init();
touch_panel_init();
lcd_backlight_init();
lcd_backlight_auto_off(false);
lcd_backlight_enable();
set_background_colour(BLACK);
panel_meter_init(&panelmeter, buffer, BOX_LOCATION, BOX_SIZE, true, "%.3f", "C", BOX_MAIN_FONT, BOX_UNIT_FONT);
panel_meter_enable_touch(&panelmeter, (touch_callback_t)touch_key_callback, panelmeter_touch_appdata);
float val = 0;
while(1)
{
printf("val %.3f\n", (double)val);
panel_meter_update(&panelmeter, val);
val += 0.1;
sleep(1);
}
pthread_exit(0);
return 0;
}
int main(void) {
// LED on pin 4
DDRB = (1 << DDB4);
// power down mode
// the watchdog interrupt wakes up the MCU
set_sleep_mode(SLEEP_MODE_PWR_DOWN);
setup_watchdog();
for (;;) {
// put MCU in sleep mode (sleep_enable(), sleep_cpu(), sleep_disable())
sleep_mode();
// MCU is sleeping...
// WDT interrupt wakes MCU
// and execution resumes here
// blink LED every 3 seconds
if (wdi_counter == 3) {
flash_led();
// reset wdi_counter
wdi_counter = 0;
}
// when loop starts over, MCU is put to sleep again
}
return 0;
}
int main(void)
{
flash_led(LED1);
// init logger
log_init(&log, "main");
// init filesystem
sdcard_mount(&sddisk, 0);
// init networking
net_config(&netconf, DEFAULT_RESOLV_CONF_PATH, DEFAULT_NETIF_CONF_PATH);
net_init(&netconf);
log_info(&log, "device init done...");
install_builtin_cmds(&shell);
install_fs_cmds(&shell);
install_net_cmds(&shell);
install_os_cmds(&shell);
register_command(&shell, &sh_custom_cmd, NULL, NULL, NULL);
start_shell_threaded_server(&shell, NULL, DEFAULT_SHELL_CONFIG_PATH, true, -1, -1, 512);
log_info(&log, "service init done...");
pthread_exit(0);
return 0;
}
void
notmain()
{
int timeout;
flash_led(1, RED|GRN, 4);
init_timeoutq();
pfv_t faddr;
faddr = &blink_led;
create_timeoutq_event( ONE_SEC, 5 * ONE_SEC, blink_led, RED );
create_timeoutq_event( 4 * ONE_SEC, 5 * ONE_SEC, blink_led, GRN );
create_timeoutq_event( 7 * ONE_SEC , 5 * ONE_SEC, blink_led, GRN | RED);
while (1)
{
if (handle_timeoutq_event()) {
//blink_led( RED );
//continue;
}
timeout = bring_timeoutq_current();
wait(timeout);
}
}
void period_blink( unsigned int color )
{
while(1)
{
flash_led( 1, color, 1 );
oldwait(50);
}
}
/* 功能:LED控制
* 参数：同上
* 返回值：无
* */
void led_control_req(char *pskb)
{
struct LedControl *pLed = (struct LedControl *)pskb;
/* 消息处理*/
pLed->LedControlMsg.MsgId = ARM_PC_LEDS_CONTROL_RSP;
pLed->LedControlMsg.MsgLen = sizeof(*pLed)
- sizeof(pLed->LedControlMsg);
if (pLed->Flag == 1) {
pLed->Result = flash_led(pLed->FlashTime);
} else {
pLed->Result = stop_led();
}
}
int main(void)
{
uint8_t i, r1, g1, b1, r2, b2, g2;
pwm_setup();
flash_led();
r1 = g1 = b1 = 0;
while (1)
{
r2 = random() % 255;
g2 = random() % 255;
b2 = random() % 255;
fade(r1, g1, b1, r2, g2, b2, 100, 10);
r1 = r2;
g1 = g2;
b1 = b2;
}
return 0;
}
/* 功能:LED控制
* 参数：MCM请求消息
* 返回值：无
* */
void led_control_req(s8 *pskb)
{
struct stru_led_control_req *prLedCtrlReq = (struct stru_led_control_req *)pskb;
struct stru_led_control_rsp rLedCtrlRsp;
/* 消息处理*/
rLedCtrlRsp.struMsgHeader.u16MsgType = O_MAINMCM_LED_RSP;
rLedCtrlRsp.struMsgHeader.u16MsgLength = sizeof(rLedCtrlRsp) - sizeof(rLedCtrlRsp.struMsgHeader);
rLedCtrlRsp.struMsgHeader.u8TransType = prLedCtrlReq->struMsgHeader.u8TransType;
if (prLedCtrlReq->u8LedCmd == 1) {
rLedCtrlRsp.bSuccessful = flash_led(prLedCtrlReq->u32BlinkTime);
} else {
rLedCtrlRsp.bSuccessful = stop_led();
}
/* 反馈消息到MCM*/
send_rsp_message(&rLedCtrlRsp,
sizeof(rLedCtrlRsp),
prLedCtrlReq->struMsgHeader.u8TransType);
}
int main(void)
{
flash_led(LED1);
log_init(&log, "main");
// init filesystem
sdcard_mount(&sddisk, 0);
// start demo app
pthread_t app_thread;
pthread_attr_t app_attr;
pthread_attr_init(&app_attr);
pthread_attr_setstacksize(&app_attr, 384);
pthread_attr_setdetachstate(&app_attr, PTHREAD_CREATE_DETACHED);
pthread_create(&app_thread, &app_attr, (void*(*)(void*))test, NULL);
pthread_attr_destroy(&app_attr);
pthread_exit(0);
return 0;
}
int main(void)
{
flash_led(LED1);
// init logger
log_init(&mainlog, "main");
lcd_init();
graphics_init();
touch_panel_init();
lcd_backlight_init();
set_background_colour(BACKGROUND);
lcd_backlight_auto_off(true);
lcd_backlight_enable();
lcd_backlight_timeout(30000);
statusbar_init();
// init filesystem
sdfs_init();
log_info(&mainlog, "wait for filesystem...");
while(!sdfs_ready());
// init networking
net_config(&netconf, DEFAULT_RESOLV_CONF_PATH, DEFAULT_NETIF_CONF_PATH);
net_init(&netconf);
log_info(&mainlog, "device init done...");
init_heater_cooler();
log_info(&mainlog, "service init done...");
while(1)
{
usleep(250000);
update_heater_cooler();
}
return 0;
}
void
flash_lonum( unsigned int num )
{
if (num == 0) {
flash_led(1, GRN, 2);
flash_led(1, RED, 2);
} else if (num == 1) {
flash_led(1, GRN, 4);
} else if (num == 2) {
flash_led(1, RED, 4);
} else if (num == 3) {
flash_led(1, RED | GRN, 4);
} else {
flash_led(3, RED | GRN, 100);
}
}
/* main program starts here */
int main(void) {
uint8_t ch;
/*
* Making these local and in registers prevents the need for initializing
* them, and also saves space because code no longer stores to memory.
* (initializing address keeps the compiler happy, but isn't really
* necessary, and uses 4 bytes of flash.)
*/
register uint16_t address = 0;
register pagelen_t length;
// After the zero init loop, this is the first code to run.
//
// This code makes the following assumptions:
// No interrupts will execute
// SP points to RAMEND
// r1 contains zero
//
// If not, uncomment the following instructions:
// cli();
asm volatile ("clr __zero_reg__");
#if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
SP=RAMEND; // This is done by hardware reset
#endif
/*
* modified Adaboot no-wait mod.
* Pass the reset reason to app. Also, it appears that an Uno poweron
* can leave multiple reset flags set; we only want the bootloader to
* run on an 'external reset only' status
*/
ch = MCUSR;
MCUSR = 0;
if (ch & (_BV(WDRF) | _BV(BORF) | _BV(PORF)))
appStart(ch);
#if LED_START_FLASHES > 0
// Set up Timer 1 for timeout counter
TCCR1B = _BV(CS12) | _BV(CS10); // div 1024
#endif
#ifndef SOFT_UART
#if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
UCSRA = _BV(U2X); //Double speed mode USART
UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#else
UART_SRA = _BV(U2X0); //Double speed mode USART0
UART_SRB = _BV(RXEN0) | _BV(TXEN0);
UART_SRC = _BV(UCSZ00) | _BV(UCSZ01);
UART_SRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#endif
#endif
// Set up watchdog to trigger after 1s
watchdogConfig(WATCHDOG_1S);
#if (LED_START_FLASHES > 0) || defined(LED_DATA_FLASH)
/* Set LED pin as output */
LED_DDR |= _BV(LED);
#endif
#ifdef SOFT_UART
/* Set TX pin as output */
UART_DDR |= _BV(UART_TX_BIT);
#endif
#if LED_START_FLASHES > 0
/* Flash onboard LED to signal entering of bootloader */
flash_led(LED_START_FLASHES * 2);
#endif
/* Forever loop: exits by causing WDT reset */
for (;;) {
/* get character from UART */
ch = getch();
if(ch == STK_GET_PARAMETER) {
unsigned char which = getch();
verifySpace();
/*
* Send optiboot version as "SW version"
* Note that the references to memory are optimized away.
*/
if (which == 0x82) {
putch(optiboot_version & 0xFF);
} else if (which == 0x81) {
putch(optiboot_version >> 8);
} else {
/* main program starts here */
int main(void) {
uint8_t ch;
uint16_t pmask;
/*
* Making these local and in registers prevents the need for initializing
* them, and also saves space because code no longer stores to memory.
* (initializing address keeps the compiler happy, but isn't really
* necessary, and uses 4 bytes of flash.)
*/
register uint16_t address = 0;
register uint16_t length;
// After the zero init loop, this is the first code to run.
//
// This code makes the following assumptions:
// No interrupts will execute
// SP points to RAMEND
// r1 contains zero
//
// If not, uncomment the following instructions:
// cli();
asm volatile ("clr __zero_reg__");
SP=RAMEND; // This is done by hardware reset
// Adaboot no-wait mod
ch = MCUSR;
MCUSR = 0;
if (ch & (_BV(WDRF) | _BV(BORF) | _BV(PORF)))
appStart(ch);
// WDT clock by 32KHz IRC
PMCR = 0x80;
PMCR = 0x93;
#if EXT_OSC == 1
#warning Using external crystal now!!!
// for case of 16MHz crystall, no clock divider
PMCR = 0x80;
PMCR = 0x97;
for(ch = 0xf; ch > 0; --ch);
PMCR = 0x80;
PMCR = 0xb7;
CLKPR = 0x80;
CLKPR = 0x00;
// external crsyall flag
VDTCR = 0x80;
VDTCR = 0x4C;
#else
// system clock: 16MHz system clock
CLKPR = 0x80;
CLKPR = 0x01;
#endif
#if LED_START_FLASHES > 0
// Set up Timer 1 for timeout counter
TCCR1B = _BV(CS12) | _BV(CS10); // div 1024
#endif
#ifndef SOFT_UART
#if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
UCSRA = _BV(U2X); //Double speed mode USART
UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#else
//UART_SRA = _BV(U2X0); //Double speed mode USART0
ch = PMXCR | 0x03;
PMXCR = 0x80;
PMXCR = ch;
UART_SRB = _BV(RXEN0) | _BV(TXEN0);
UART_SRC = _BV(UCSZ00) | _BV(UCSZ01);
UART_SRL = (uint8_t)( F_CPU / (BAUD_RATE * 16L) - 1 );
//UART_SRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#endif
#endif
// Set up watchdog to trigger after 500ms
watchdogConfig(WATCHDOG_16MS);
#if (LED_START_FLASHES > 0) || defined(LED_DATA_FLASH)
/* Set LED pin as output */
LED_DDR |= _BV(LED);
#endif
#ifdef SOFT_UART
/* Set TX pin as output */
UART_DDR |= _BV(UART_TX_BIT);
#endif
#if LED_START_FLASHES > 0
/* Flash onboard LED to signal entering of bootloader */
flash_led(LED_START_FLASHES * 2);
#endif
// page erased flag
pmask = 0;
/* Forever loop */
for (;;) {
/* get character from UART */
ch = getch();
if(ch == STK_GET_PARAMETER) {
unsigned char which = getch();
verifySpace();
if (which == 0x82) {
/*
* Send optiboot version as "minor SW version"
*/
putch(OPTIBOOT_MINVER);
} else if (which == 0x81) {
putch(OPTIBOOT_MAJVER);
} else {
/*
* GET PARAMETER returns a generic 0x03 reply for
* other parameters - enough to keep Avrdude happy
*/
putch(0x03);
}
}
else if(ch == STK_SET_DEVICE) {
// SET DEVICE is ignored
getNch(20);
}
else if(ch == STK_SET_DEVICE_EXT) {
// SET DEVICE EXT is ignored
getNch(5);
}
else if(ch == STK_LOAD_ADDRESS) {
// LOAD ADDRESS
uint16_t newAddress;
newAddress = getch();
newAddress = (newAddress & 0xff) | (getch() << 8);
#ifdef RAMPZ
// Transfer top bit to RAMPZ
RAMPZ = (newAddress & 0x8000) ? 1 : 0;
#endif
newAddress += newAddress; // Convert from word address to byte address
address = newAddress;
verifySpace();
}
else if(ch == STK_UNIVERSAL) {
// UNIVERSAL command is ignored
getNch(4);
putch(0x00);
}
/* Write memory, length is big endian and is in bytes */
else if(ch == STK_PROG_PAGE) {
// PROGRAM PAGE - we support flash programming only, not EEPROM
uint8_t *bufPtr;
uint8_t bval;
uint16_t len;
length = (uint16_t)getch() << 8; /* getlen() */
length += getch();
bval = getch();
// If we are in RWW section, immediately start page erase
//if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
// While that is going on, read in page contents
bufPtr = buff;
len = length;
do *bufPtr++ = getch();
while (--len);
EEARL = 0;
EEARH = address >> 8;
ch = EEARH >> 2; // 1KB page size
if((0 == (pmask & (((uint16_t)1 << ch)))) && bval == 'F') {
pmask |= ((uint16_t)1 << ch);
// do page erase here
EECR = 0x94;
EECR = 0x92;
asm("nop"); asm("nop");
}
// Read command terminator, start reply
verifySpace();
// If only a partial page is to be programmed, the erase might not be complete.
// So check that here
//boot_spm_busy_wait();
if (bval == 'E') {
for(len = 0; len < length; len++) {
if(address >= 512)
break;
EEARL = address++;
EEARH = address >> 8;
EEDR = buff[len];
EECR = 0x04;
EECR = 0x02;
}
} else {
#ifdef VIRTUAL_BOOT_PARTITION
if ((uint16_t)(void*)address == 0) {
// This is the reset vector page. We need to live-patch the code so the
// bootloader runs.
//
// Move RESET vector to WDT vector
uint16_t vect = buff[0] | (buff[1] << 8);
rstVect = vect;
wdtVect = buff[8] | (buff[9] << 8);
vect -= 4;
buff[8] = vect & 0xff;
buff[9] = vect >> 8;
// Add jump to bootloader at RESET vector
buff[0] = 0xff;
buff[1] = 0xcd; // jmp
}
#endif
// Write from programming buffer
bufPtr = buff;
for(length = 0; length < SPM_PAGESIZE; length+=2) {
EEARL = 0; EEDR = *bufPtr++;
EEARL = 1; EEDR = *bufPtr++;
EEARL = (address + length) & 0xff;
EECR = 0xA4;
EECR = 0xA2;
}
}
/* main program starts here */
int main(void) {
uint8_t ch;
/*
* Making these local and in registers prevents the need for initializing
* them, and also saves space because code no longer stores to memory.
* (initializing address keeps the compiler happy, but isn't really
* necessary, and uses 4 bytes of flash.)
*/
register uint16_t address = 0;
register uint8_t length;
// After the zero init loop, this is the first code to run.
//
// This code makes the following assumptions:
// No interrupts will execute
// SP points to RAMEND
// r1 contains zero
//
// If not, uncomment the following instructions:
// cli();
asm volatile ("clr __zero_reg__");
#ifdef __AVR_ATmega8__
SP=RAMEND; // This is done by hardware reset
#endif
// Adaboot no-wait mod
ch = MCUSR;
MCUSR = 0;
if (!(ch & _BV(EXTRF))) appStart();
#if LED_START_FLASHES > 0
// Set up Timer 1 for timeout counter
TCCR1B = _BV(CS12) | _BV(CS10); // div 1024
#endif
#ifndef SOFT_UART
#ifdef __AVR_ATmega8__
UCSRA = _BV(U2X); //Double speed mode USART
UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#else
UCSR0A = _BV(U2X0); //Double speed mode USART0
UCSR0B = _BV(RXEN0) | _BV(TXEN0);
UCSR0C = _BV(UCSZ00) | _BV(UCSZ01);
UBRR0L = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#endif
#endif
// Set up watchdog to trigger after 500ms
watchdogConfig(WATCHDOG_1S);
/* Set LED pin as output */
LED_DDR |= _BV(LED);
#ifdef SOFT_UART
/* Set TX pin as output */
UART_DDR |= _BV(UART_TX_BIT);
#endif
#if LED_START_FLASHES > 0
/* Flash onboard LED to signal entering of bootloader */
flash_led(LED_START_FLASHES * 2);
#endif
/* Forever loop */
for (;;) {
/* get character from UART */
ch = getch();
if(ch == STK_GET_PARAMETER) {
unsigned char which = getch();
verifySpace();
if (which == 0x82) {
/*
* Send optiboot version as "minor SW version"
*/
putch(OPTIBOOT_MINVER);
} else if (which == 0x81) {
putch(OPTIBOOT_MAJVER);
} else {
/*
* GET PARAMETER returns a generic 0x03 reply for
* other parameters - enough to keep Avrdude happy
*/
putch(0x03);
}
}
else if(ch == STK_SET_DEVICE) {
// SET DEVICE is ignored
getNch(20);
}
else if(ch == STK_SET_DEVICE_EXT) {
// SET DEVICE EXT is ignored
getNch(5);
}
else if(ch == STK_LOAD_ADDRESS) {
// LOAD ADDRESS
uint16_t newAddress;
newAddress = getch();
newAddress = (newAddress & 0xff) | (getch() << 8);
#ifdef RAMPZ
// Transfer top bit to RAMPZ
RAMPZ = (newAddress & 0x8000) ? 1 : 0;
#endif
newAddress += newAddress; // Convert from word address to byte address
address = newAddress;
verifySpace();
}
else if(ch == STK_UNIVERSAL) {
// UNIVERSAL command is ignored
getNch(4);
putch(0x00);
}
/* Write memory, length is big endian and is in bytes */
else if(ch == STK_PROG_PAGE) {
// PROGRAM PAGE - we support flash programming only, not EEPROM
uint8_t *bufPtr;
uint16_t addrPtr;
getch(); /* getlen() */
length = getch();
getch();
// If we are in RWW section, immediately start page erase
if (address < NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
// While that is going on, read in page contents
bufPtr = buff;
do *bufPtr++ = getch();
while (--length);
// If we are in NRWW section, page erase has to be delayed until now.
// Todo: Take RAMPZ into account
if (address >= NRWWSTART) __boot_page_erase_short((uint16_t)(void*)address);
// Read command terminator, start reply
verifySpace();
// If only a partial page is to be programmed, the erase might not be complete.
// So check that here
boot_spm_busy_wait();
#ifdef VIRTUAL_BOOT_PARTITION
if ((uint16_t)(void*)address == 0) {
// This is the reset vector page. We need to live-patch the code so the
// bootloader runs.
//
// Move RESET vector to WDT vector
uint16_t vect = buff[0] | (buff[1]<<8);
rstVect = vect;
wdtVect = buff[8] | (buff[9]<<8);
vect -= 4; // Instruction is a relative jump (rjmp), so recalculate.
buff[8] = vect & 0xff;
buff[9] = vect >> 8;
// Add jump to bootloader at RESET vector
buff[0] = 0x7f;
buff[1] = 0xce; // rjmp 0x1d00 instruction
}
#endif
// Copy buffer into programming buffer
bufPtr = buff;
addrPtr = (uint16_t)(void*)address;
ch = SPM_PAGESIZE / 2;
do {
uint16_t a;
a = *bufPtr++;
a |= (*bufPtr++) << 8;
__boot_page_fill_short((uint16_t)(void*)addrPtr,a);
addrPtr += 2;
} while (--ch);
// Write from programming buffer
__boot_page_write_short((uint16_t)(void*)address);
boot_spm_busy_wait();
#if defined(RWWSRE)
// Reenable read access to flash
boot_rww_enable();
#endif
}
int shinkos2145_cmdline_arg(void *vctx, int argc, char **argv)
{
struct shinkos2145_ctx *ctx = vctx;
int i, j = 0;
if (!ctx)
return -1;
/* Reset arg parsing */
optind = 1;
opterr = 0;
while ((i = getopt(argc, argv, GETOPT_LIST_GLOBAL "b:c:C:eFil:L:mr:R:suU:X:")) >= 0) {
switch(i) {
GETOPT_PROCESS_GLOBAL
case 'b':
if (optarg[0] == '1')
j = button_set(ctx, BUTTON_ENABLED);
else if (optarg[0] == '0')
j = button_set(ctx, BUTTON_DISABLED);
else
return -1;
break;
case 'c':
j = get_tonecurve(ctx, TONECURVE_USER, optarg);
break;
case 'C':
j = set_tonecurve(ctx, TONECURVE_USER, optarg);
break;
case 'e':
j = get_errorlog(ctx);
break;
case 'F':
j = flash_led(ctx);
break;
case 'i':
j = get_fwinfo(ctx);
break;
case 'l':
j = get_tonecurve(ctx, TONECURVE_CURRENT, optarg);
break;
case 'L':
j = set_tonecurve(ctx, TONECURVE_CURRENT, optarg);
break;
case 'm':
j = get_mediainfo(ctx);
break;
case 'r':
j = reset_curve(ctx, RESET_USER_CURVE);
break;
case 'R':
j = reset_curve(ctx, RESET_PRINTER);
break;
case 's':
j = get_status(ctx);
break;
case 'u':
j = get_user_string(ctx);
break;
case 'U':
j = set_user_string(ctx, optarg);
break;
case 'X':
j = cancel_job(ctx, optarg);
break;
default:
break; /* Ignore completely */
}
if (j) return j;
}
return 0;
}
/* main program starts here */
int main(void) {
uint8_t ch;
uint8_t WaitTime = WATCHDOG_1S; // Set watchdog to trigger after 1 second by default - value set to the watchdog later!
/*
* Making these local and in registers prevents the need for initializing
* them, and also saves space because code no longer stores to memory.
* (initializing address keeps the compiler happy, but isn't really
* necessary, and uses 4 bytes of flash.)
*/
register uint16_t address = 0;
register pagelen_t length;
// After the zero init loop, this is the first code to run.
//
// This code makes the following assumptions:
// No interrupts will execute
// SP points to RAMEND
// r1 contains zero
//
// If not, uncomment the following instructions:
// Following lines enabled by Mark Griffiths to allow jumping directly to the boot loader from user code.
cli();
asm volatile ("clr __zero_reg__");
//#if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
SP=RAMEND; // This is done by hardware reset
//#endif
/*
* modified Adaboot no-wait mod.
* Pass the reset reason to app. Also, it appears that an Uno poweron
* can leave multiple reset flags set; we only want the bootloader to
* run on an 'external reset only' status
*/
// ch = MCUSR;
// MCUSR = 0;
// if (ch & (_BV(WDRF) | _BV(BORF) | _BV(PORF)))
// appStart(ch);
// Modified no wait mod by Mark Griffiths 8th of April 2015
// This modification allows the majority of the reset flags to be kept
// unmodified in the MCUSR register for use by user sketches!
// Previous method saved the MCUSR data in r2, but because it cleared
// MCUSR before attempting to update the flash memory, there was no way
// for user code to distinguish between an external reset and a watchdog
// reset. It also required extra code and an extra byte of RAM in the
// user sketch.
ch = MCUSR;
if (ch == 0) {
WaitTime = WATCHDOG_8S; // If no Reset Flags are set, it must mean that the user code jumped to the boot loader! Wait 8 seconds for the firmware to be updated!
} else {
if ((ch & (_BV(WDRF) | _BV(EXTRF))) != _BV(EXTRF)) { // To run the boot loader, External Reset Flag must be set and the Watchdog Flag MUST be cleared! Otherwise jump straight to user code.
MCUSR = ~(_BV(WDRF));
appStart(ch);
}
}
#if LED_START_FLASHES > 0
// Set up Timer 1 for timeout counter
TCCR1B = _BV(CS12) | _BV(CS10); // div 1024
#endif
#ifndef SOFT_UART
#if defined(__AVR_ATmega8__) || defined (__AVR_ATmega32__)
UCSRA = _BV(U2X); //Double speed mode USART
UCSRB = _BV(RXEN) | _BV(TXEN); // enable Rx & Tx
UCSRC = _BV(URSEL) | _BV(UCSZ1) | _BV(UCSZ0); // config USART; 8N1
UBRRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#else
UART_SRA = _BV(U2X0); //Double speed mode USART0
UART_SRB = _BV(RXEN0) | _BV(TXEN0);
UART_SRC = _BV(UCSZ00) | _BV(UCSZ01);
UART_SRL = (uint8_t)( (F_CPU + BAUD_RATE * 4L) / (BAUD_RATE * 8L) - 1 );
#endif
#endif
watchdogConfig(WaitTime);
#if (LED_START_FLASHES > 0) || defined(LED_DATA_FLASH)
/* Set LED pin as output */
LED_DDR |= _BV(LED);
#endif
#ifdef SOFT_UART
/* Set TX pin as output */
UART_DDR |= _BV(UART_TX_BIT);
#endif
#if LED_START_FLASHES > 0
/* Flash onboard LED to signal entering of bootloader */
flash_led(LED_START_FLASHES * 2);
#endif
/* Forever loop: exits by causing WDT reset */
for (;;) {
/* get character from UART */
ch = getch();
if(ch == STK_GET_PARAMETER) {
unsigned char which = getch();
verifySpace();
/*
* Send optiboot version as "SW version"
* Note that the references to memory are optimized away.
*/
if (which == 0x82) {
putch(optiboot_version & 0xFF);
} else if (which == 0x81) {
putch(optiboot_version >> 8);
} else {
void
blink_led(unsigned int color)
{
flash_led( 1, color, 1 );
return;
}
