/*---------------------------------------------------------------------------*/
int
main(void)
{
clock_init(); // 初始化 睡眠定时器 必要
soc_init(); // 还函数中启动了全局中断 可修改
rtimer_init(); // rtimer为定时器1 必要
/* Init LEDs here */
leds_init(); // 初始化LED 可修改
leds_off(LEDS_ALL); // 关闭所有LED 非必要
fade(LEDS_GREEN); // 绿色闪烁一下 非必要
/* initialize process manager. */
process_init(); // 任务初始化 必要
/* Init UART */
uart0_init(); // 初始化串口0，先用于调试，可修改
#if DMA_ON
dma_init(); // 非必要
#endif
#if SLIP_ARCH_CONF_ENABLE
slip_arch_init(0);
#else
uart0_set_input(serial_line_input_byte);
serial_line_init();
#endif
fade(LEDS_RED); // 红色LED闪烁一下 非必要
// 打印若干提示信息 非必要 可修改
putstring("**************************************\r\n");
putstring(CONTIKI_VERSION_STRING "\r\n"); // 打印若干信息
putstring("Platform CC2530 NB\r\n");
switch(CHIPID) {
case 0xA5:
putstring("CC2530");
break;
case 0xB5:
putstring("CC2531");
break;
case 0x95:
putstring("CC2533");
break;
case 0x8D:
putstring("CC2540");
break;
}
putstring("-F");
switch(CHIPINFO0 & 0x70) {
case 0x40:
putstring("256,");
break;
case 0x30:
putstring("128,");
break;
case 0x20:
putstring("64,");
break;
case 0x10:
putstring("32,");
break;
}
puthex(CHIPINFO1 + 1);
putstring("KB SRAM\r\n");
#if STARTUP_VERBOSE
PUTSTRING("Net: "); // NETWORK名称
PUTSTRING(NETSTACK_NETWORK.name);
PUTCHAR('\r');PUTCHAR('\n');
PUTSTRING("MAC: "); // MAC名称
PUTSTRING(NETSTACK_MAC.name);
PUTCHAR('\r');PUTCHAR('\n');
PUTSTRING("RDC: "); // RDC名称
PUTSTRING(NETSTACK_RDC.name);
PUTCHAR('\r');PUTCHAR('\n');
PUTSTRING("**************************************\r\n");
#endif
watchdog_init(); // 初始化看门狗
/* Initialise the H/W RNG engine. */
random_init(0); //
/* start services */
process_start(&etimer_process, NULL); // 启动etimer任务
ctimer_init(); // ctimer初始化
/* initialize the netstack */
netstack_init(); // NET协议栈初始化
set_rime_addr(); // 设置RIME地址，相当于设置IP地址
#if BUTTON_SENSOR_ON || ADC_SENSOR_ON
process_start(&sensors_process, NULL);
BUTTON_SENSOR_ACTIVATE();
ADC_SENSOR_ACTIVATE();
#endif
#if UIP_CONF_IPV6 // 非常重要，启动TCPIP查询任务
memcpy(&uip_lladdr.addr, &rimeaddr_node_addr, sizeof(uip_lladdr.addr));
queuebuf_init();
process_start(&tcpip_process, NULL);
#endif /* UIP_CONF_IPV6 */
#if VIZTOOL_CONF_ON
process_start(&viztool_process, NULL);
#endif
energest_init(); // 能量估计初始化，但是该功能未被打开
ENERGEST_ON(ENERGEST_TYPE_CPU); // 该功能未被打开
autostart_start(autostart_processes); // 启动被定义为自动启动的任务
watchdog_start(); // 看门狗初始化
fade(LEDS_YELLOW); // 黄色LED闪烁，完成所有初始化工作
while(1) {
do {
/* Reset watchdog and handle polls and events */
watchdog_periodic(); // 喂狗操作
r = process_run();
} while(r > 0);
#if SHORTCUTS_CONF_NETSTACK // 循环查询无线输入数据包长度 tcpip_process
len = NETSTACK_RADIO.pending_packet();
if(len) {
packetbuf_clear();
len = NETSTACK_RADIO.read(packetbuf_dataptr(), PACKETBUF_SIZE);
if(len > 0) {
packetbuf_set_datalen(len);
NETSTACK_RDC.input();
}
}
#endif
#if LPM_MODE // 该宏被定义为0，没有休眠功能，以下代码均无效
#if (LPM_MODE==LPM_MODE_PM2)
SLEEP &= ~OSC_PD; /* Make sure both HS OSCs are on */
while(!(SLEEP & HFRC_STB)); /* Wait for RCOSC to be stable */
CLKCON |= OSC; /* Switch to the RCOSC */
while(!(CLKCON & OSC)); /* Wait till it's happened */
SLEEP |= OSC_PD; /* Turn the other one off */
#endif /* LPM_MODE==LPM_MODE_PM2 */
/*
* Set MCU IDLE or Drop to PM1. Any interrupt will take us out of LPM
* Sleep Timer will wake us up in no more than 7.8ms (max idle interval)
*/
SLEEPCMD = (SLEEPCMD & 0xFC) | (LPM_MODE - 1);
#if (LPM_MODE==LPM_MODE_PM2)
/*
* Wait 3 NOPs. Either an interrupt occurred and SLEEP.MODE was cleared or
* no interrupt occurred and we can safely power down
*/
__asm
nop
nop
nop
__endasm;
if(SLEEPCMD & SLEEP_MODE0) {
#endif /* LPM_MODE==LPM_MODE_PM2 */
ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_LPM);
/* We are only interested in IRQ energest while idle or in LPM */
ENERGEST_IRQ_RESTORE(irq_energest);
/* Go IDLE or Enter PM1 */
PCON |= PCON_IDLE;
/* First instruction upon exiting PM1 must be a NOP */
__asm
nop
__endasm;
/* Remember energest IRQ for next pass */
ENERGEST_IRQ_SAVE(irq_energest);
ENERGEST_ON(ENERGEST_TYPE_CPU);
ENERGEST_OFF(ENERGEST_TYPE_LPM);
#if (LPM_MODE==LPM_MODE_PM2)
SLEEPCMD &= ~SLEEP_OSC_PD; /* Make sure both HS OSCs are on */
while(!(SLEEPCMD & SLEEP_XOSC_STB)); /* Wait for XOSC to be stable */
CLKCONCMD &= ~CLKCONCMD_OSC; /* Switch to the XOSC */
/*
* On occasion the XOSC is reported stable when in reality it's not.
* We need to wait for a safeguard of 64us or more before selecting it
*/
clock_delay(10);
while(CLKCONCMD & CLKCONCMD_OSC); /* Wait till it's happened */
}
#endif /* LPM_MODE==LPM_MODE_PM2 */
#endif /* LPM_MODE */
}
}
/*---------------------------------------------------------------------------*/
int
main(void)
{
/* Hardware initialization */
clock_init();
soc_init();
rtimer_init();
/* Init LEDs here */
leds_init();
leds_off(LEDS_ALL);
fade(LEDS_GREEN);
/* initialize process manager. */
process_init();
/* Init UART */
uart0_init();
#if DMA_ON
dma_init();
#endif
#if SLIP_ARCH_CONF_ENABLE
slip_arch_init(0);
#else
uart0_set_input(serial_line_input_byte);
serial_line_init();
#endif
fade(LEDS_RED);
PUTSTRING("##########################################\n");
putstring(CONTIKI_VERSION_STRING "\n");
putstring("TI SmartRF05 EB\n");
switch(CHIPID) {
case 0xA5:
putstring("cc2530");
break;
case 0xB5:
putstring("cc2531");
break;
case 0x95:
putstring("cc2533");
break;
case 0x8D:
putstring("cc2540");
break;
}
putstring("-F");
switch(CHIPINFO0 & 0x70) {
case 0x40:
putstring("256, ");
break;
case 0x30:
putstring("128, ");
break;
case 0x20:
putstring("64, ");
break;
case 0x10:
putstring("32, ");
break;
}
puthex(CHIPINFO1 + 1);
putstring("KB SRAM\n");
PUTSTRING("\nSDCC Build:\n");
#if STARTUP_VERBOSE
#ifdef HAVE_SDCC_BANKING
PUTSTRING(" With Banking.\n");
#endif /* HAVE_SDCC_BANKING */
#ifdef SDCC_MODEL_LARGE
PUTSTRING(" --model-large\n");
#endif /* SDCC_MODEL_LARGE */
#ifdef SDCC_MODEL_HUGE
PUTSTRING(" --model-huge\n");
#endif /* SDCC_MODEL_HUGE */
#ifdef SDCC_STACK_AUTO
PUTSTRING(" --stack-auto\n");
#endif /* SDCC_STACK_AUTO */
PUTCHAR('\n');
PUTSTRING(" Net: ");
PUTSTRING(NETSTACK_NETWORK.name);
PUTCHAR('\n');
PUTSTRING(" MAC: ");
PUTSTRING(NETSTACK_MAC.name);
PUTCHAR('\n');
PUTSTRING(" RDC: ");
PUTSTRING(NETSTACK_RDC.name);
PUTCHAR('\n');
PUTSTRING("##########################################\n");
#endif
watchdog_init();
/* Initialise the H/W RNG engine. */
random_init(0);
/* start services */
process_start(&etimer_process, NULL);
ctimer_init();
/* initialize the netstack */
netstack_init();
set_rime_addr();
#if BUTTON_SENSOR_ON || ADC_SENSOR_ON
process_start(&sensors_process, NULL);
BUTTON_SENSOR_ACTIVATE();
ADC_SENSOR_ACTIVATE();
#endif
#if UIP_CONF_IPV6
memcpy(&uip_lladdr.addr, &rimeaddr_node_addr, sizeof(uip_lladdr.addr));
queuebuf_init();
process_start(&tcpip_process, NULL);
#endif /* UIP_CONF_IPV6 */
#if VIZTOOL_CONF_ON
process_start(&viztool_process, NULL);
#endif
energest_init();
ENERGEST_ON(ENERGEST_TYPE_CPU);
autostart_start(autostart_processes);
watchdog_start();
fade(LEDS_YELLOW);
while(1) {
do {
/* Reset watchdog and handle polls and events */
watchdog_periodic();
#if CLOCK_CONF_STACK_FRIENDLY
if(sleep_flag) {
if(etimer_pending() &&
(etimer_next_expiration_time() - clock_time() - 1) > MAX_TICKS) {
etimer_request_poll();
}
sleep_flag = 0;
}
#endif
r = process_run();
} while(r > 0);
len = NETSTACK_RADIO.pending_packet();
if(len) {
packetbuf_clear();
len = NETSTACK_RADIO.read(packetbuf_dataptr(), PACKETBUF_SIZE);
if(len > 0) {
packetbuf_set_datalen(len);
NETSTACK_RDC.input();
}
}
#if LPM_MODE
#if (LPM_MODE==LPM_MODE_PM2)
SLEEP &= ~OSC_PD; /* Make sure both HS OSCs are on */
while(!(SLEEP & HFRC_STB)); /* Wait for RCOSC to be stable */
CLKCON |= OSC; /* Switch to the RCOSC */
while(!(CLKCON & OSC)); /* Wait till it's happened */
SLEEP |= OSC_PD; /* Turn the other one off */
#endif /* LPM_MODE==LPM_MODE_PM2 */
/*
* Set MCU IDLE or Drop to PM1. Any interrupt will take us out of LPM
* Sleep Timer will wake us up in no more than 7.8ms (max idle interval)
*/
SLEEPCMD = (SLEEPCMD & 0xFC) | (LPM_MODE - 1);
#if (LPM_MODE==LPM_MODE_PM2)
/*
* Wait 3 NOPs. Either an interrupt occurred and SLEEP.MODE was cleared or
* no interrupt occurred and we can safely power down
*/
__asm
nop
nop
nop
__endasm;
if(SLEEPCMD & SLEEP_MODE0) {
#endif /* LPM_MODE==LPM_MODE_PM2 */
ENERGEST_OFF(ENERGEST_TYPE_CPU);
ENERGEST_ON(ENERGEST_TYPE_LPM);
/* We are only interested in IRQ energest while idle or in LPM */
ENERGEST_IRQ_RESTORE(irq_energest);
/* Go IDLE or Enter PM1 */
PCON |= PCON_IDLE;
/* First instruction upon exiting PM1 must be a NOP */
__asm
nop
__endasm;
/* Remember energest IRQ for next pass */
ENERGEST_IRQ_SAVE(irq_energest);
ENERGEST_ON(ENERGEST_TYPE_CPU);
ENERGEST_OFF(ENERGEST_TYPE_LPM);
#if (LPM_MODE==LPM_MODE_PM2)
SLEEPCMD &= ~SLEEP_OSC_PD; /* Make sure both HS OSCs are on */
while(!(SLEEPCMD & SLEEP_XOSC_STB)); /* Wait for XOSC to be stable */
CLKCONCMD &= ~CLKCONCMD_OSC; /* Switch to the XOSC */
/*
* On occasion the XOSC is reported stable when in reality it's not.
* We need to wait for a safeguard of 64us or more before selecting it
*/
clock_delay(10);
while(CLKCONCMD & CLKCONCMD_OSC); /* Wait till it's happened */
}
#endif /* LPM_MODE==LPM_MODE_PM2 */
#endif /* LPM_MODE */
}
}
