void USR_KEYBRD_ProcessData(uint8_t pbuf) {
led_state(4, 1);
USB_OTG_BSP_mDelay(50);
led_state(4, 0);
//lcd_print_strn((char*)&pbuf, 1);
usb_keyboard_key = pbuf;
}
void board_autoled_off(int led)
{
switch (led)
{
case LED_STARTED:
led_state(LED_OFF, BOARD_LED1_BIT);
break;
case LED_HEAPALLOCATE:
led_state(LED_OFF, BOARD_LED2_BIT);
break;
case LED_IRQSENABLED:
led_state(LED_OFF, BOARD_LED3_BIT);
break;
case LED_STACKCREATED:
case LED_INIRQ:
case LED_SIGNAL:
case LED_ASSERTION:
case LED_PANIC:
led_state(LED_OFF, BOARD_LED4_BIT);
break;
}
}
static void make_flash_fs()
{
FIL fp;
UINT n;
led_state(LED_RED, 1);
if (f_mkfs("0:", 0, 0) != FR_OK) {
__fatal_error("could not create LFS");
}
// create default main.py
f_open(&fp, "main.py", FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fp, fresh_main_py, sizeof(fresh_main_py) - 1 /* don't count null terminator */, &n);
f_close(&fp);
// create .inf driver file
f_open(&fp, "pybcdc.inf", FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fp, fresh_pybcdc_inf, sizeof(fresh_pybcdc_inf) - 1 /* don't count null terminator */, &n);
f_close(&fp);
// create readme file
f_open(&fp, "README.txt", FA_WRITE | FA_CREATE_ALWAYS);
f_write(&fp, fresh_readme_txt, sizeof(fresh_readme_txt) - 1 /* don't count null terminator */, &n);
f_close(&fp);
led_state(LED_RED, 0);
}
void flash_error(int n) {
for (int i = 0; i < n; i++) {
led_state(LED_RED, 0);
HAL_Delay(100);
led_state(LED_RED, 1);
HAL_Delay(100);
}
led_state(LED_RED, 0);
}
void __fatal_error(const char *msg) {
printf("%s\n", msg);
while (1) {
led_state(LED_RED, 1);
systick_sleep(250);
led_state(LED_RED, 0);
systick_sleep(250);
}
}
void fatality(void) {
led_state(PYB_LED_R1, 1);
led_state(PYB_LED_G1, 1);
led_state(PYB_LED_R2, 1);
led_state(PYB_LED_G2, 1);
for (;;) {
flash_error(1);
}
}
void board_userled_all(uint8_t ledset)
{
#ifdef CONFIG_ARCH_LEDS
led_state(LED_ON, ledset & ~BOARD_LED4_BIT);
led_state(LED_OFF, ~(ledset | BOARD_LED4_BIT));
#else
led_state(LED_ON, ledset);
led_state(led_OFF, ~ledset);
#endif
}
void flash_error(int n) {
for (int i = 0; i < n; i++) {
led_state(PYB_LED_R1, 1);
led_state(PYB_LED_R2, 0);
sys_tick_delay_ms(250);
led_state(PYB_LED_R1, 0);
led_state(PYB_LED_R2, 1);
sys_tick_delay_ms(250);
}
led_state(PYB_LED_R2, 0);
}
void flash_error(int n) {
for (int i = 0; i < n; i++) {
led_state(PYB_LED_R1, 1);
led_state(PYB_LED_R2, 0);
HAL_Delay(250);
led_state(PYB_LED_R1, 0);
led_state(PYB_LED_R2, 1);
HAL_Delay(250);
}
led_state(PYB_LED_R2, 0);
}
void flash_error(int n) {
for (int i = 0; i < n; i++) {
led_state(PYB_LED_RED, 1);
led_state(PYB_LED_GREEN, 0);
mp_hal_delay_ms(250);
led_state(PYB_LED_RED, 0);
led_state(PYB_LED_GREEN, 1);
mp_hal_delay_ms(250);
}
led_state(PYB_LED_GREEN, 0);
}
void mpxlcol_load (FORM* form)
{
//Wenn noch kein Colorset gespeichert wurde, wird das Default Colorset
//Abgespeichert. Sonst wird das COlorset aus dem Speicher geladen.
if((BFS_LoadFile(BFS_ID_RGB_Colors, sizeof(struct Colorset), (unsigned char*) &colors))
!= sizeof(struct Colorset))
{
colors = default_Colorset;
BFS_SaveFile(BFS_ID_RGB_Colors, sizeof(struct Colorset), (unsigned char*) &colors);
msgbox(50,BC_OKOnly | BC_DefaultButton1,"Defaults geladen");
}
pointer = 0;
//Controls mit den Werten im Speicher initialisieren.
memcpy(((TXTBOX*)form->controls[3])->text,colors.Name[pointer],20);
((TRACKBAR*)form->controls[4])->actval = colors.color[pointer].Red;
((TRACKBAR*)form->controls[5])->actval = colors.color[pointer].Green;
((TRACKBAR*)form->controls[6])->actval = colors.color[pointer].Blue;
//und zeichnen
control_draw(form->controls[3], 0);
control_draw(form->controls[4], 0);
control_draw(form->controls[5], 0);
control_draw(form->controls[6], 0);
//setzen der ersten Farbe im Speicher
cc1100_init();
setRGB(colors.color[0]);
//Einschalten des LED-Stacks
led_state(mpxl_state_on);
}
/*************************************************************************
* Description: Toggle the state of the setup LED
* Returns: none
* Notes: none
*************************************************************************/
void led_toggle(
uint8_t index)
{
if (led_state(index)) {
led_off(index);
} else {
led_on(index);
}
}
void NORETURN __fatal_error(const char *msg) {
for (volatile uint delay = 0; delay < 10000000; delay++) {
}
led_state(1, 1);
led_state(2, 1);
led_state(3, 1);
led_state(4, 1);
mp_hal_stdout_tx_strn("\nFATAL ERROR:\n", 14);
mp_hal_stdout_tx_strn(msg, strlen(msg));
for (uint i = 0;;) {
led_toggle(((i++) & 3) + 1);
for (volatile uint delay = 0; delay < 10000000; delay++) {
}
if (i >= 16) {
// to conserve power
__WFI();
}
}
}
interrupt(USCI_A1_VECTOR) USCI_A1_ISR(void)
{
if(UCA1IFG & UCRXIFG)
{
buff_int[buff_count++] = (char)(UCA1RXBUF);
buff_count %= BUFF_SIZE;
RX_FLAG = 1;
led_state(1,ON);
}
}
int main(int argc, char **argv) {
// init the CPU and the peripherals
cpu_init();
led_init();
switch_init();
uart_init();
soft_reset:
// flash green led for 150ms to indicate boot
led_state(1, 0);
led_state(2, 0);
led_state(3, 1);
mp_hal_delay_ms(150);
led_state(3, 0);
// init MicroPython runtime
int stack_dummy;
MP_STATE_THREAD(stack_top) = (char*)&stack_dummy;
gc_init(heap, heap + sizeof(heap));
mp_init();
mp_hal_init();
readline_init0();
// REPL loop
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if (pyexec_raw_repl() != 0) {
break;
}
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
printf("PYB: soft reboot\n");
mp_deinit();
goto soft_reset;
}
void __fatal_error(const char *msg) {
for (volatile uint delay = 0; delay < 10000000; delay++) {
}
led_state(1, 1);
led_state(2, 1);
led_state(3, 1);
led_state(4, 1);
stdout_tx_strn("\nFATAL ERROR:\n", 14);
stdout_tx_strn(msg, strlen(msg));
#if 0 && MICROPY_HW_HAS_LCD
lcd_print_strn("\nFATAL ERROR:\n", 14);
lcd_print_strn(msg, strlen(msg));
#endif
for (uint i = 0;;) {
led_toggle(((i++) & 3) + 1);
for (volatile uint delay = 0; delay < 10000000; delay++) {
}
if (i >= 16) {
// to conserve power
__WFI();
}
}
}
void board_userled(int led, bool ledon)
{
unsigned int ledbit;
#ifndef CONFIG_ARCH_LEDS
if (led == BOARD_LED4)
{
return;
}
#endif
ledbit = 1 << led;
led_state(ledon, ledbit);
}
static uint8_t *flash_cache_get_addr_for_write(uint32_t flash_addr) {
uint32_t flash_sector_start;
uint32_t flash_sector_size;
uint32_t flash_sector_id = flash_get_sector_info(flash_addr, &flash_sector_start, &flash_sector_size);
if (flash_cache_sector_id != flash_sector_id) {
flash_cache_flush();
memcpy((void*)CACHE_MEM_START_ADDR, (const void*)flash_sector_start, flash_sector_size);
flash_cache_sector_id = flash_sector_id;
flash_cache_sector_start = flash_sector_start;
flash_cache_sector_size = flash_sector_size;
}
flash_flags |= FLASH_FLAG_DIRTY;
led_state(PYB_LED_STORAGE1, 1); // indicate a dirty cache with LED on
flash_tick_counter_last_write = HAL_GetTick();
return (uint8_t*)CACHE_MEM_START_ADDR + flash_addr - flash_sector_start;
}
void storage_irq_handler(void) {
#if USE_INTERNAL
if (!(flash_flags & FLASH_FLAG_DIRTY)) {
return;
}
// This code uses interrupts to erase the flash
/*
if (flash_erase_state == 0) {
flash_erase_it(flash_cache_sector_start, (const uint32_t*)CACHE_MEM_START_ADDR, flash_cache_sector_size / 4);
flash_erase_state = 1;
return;
}
if (flash_erase_state == 1) {
// wait for erase
// TODO add timeout
#define flash_erase_done() (__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) == RESET)
if (!flash_erase_done()) {
return;
}
flash_erase_state = 2;
}
*/
// This code erases the flash directly, waiting for it to finish
if (!(flash_flags & FLASH_FLAG_ERASED)) {
flash_erase(flash_cache_sector_start, (const uint32_t*)CACHE_MEM_START_ADDR, flash_cache_sector_size / 4);
flash_flags |= FLASH_FLAG_ERASED;
return;
}
// If not a forced write, wait at least 5 seconds after last write to flush
// On file close and flash unmount we get a forced write, so we can afford to wait a while
if ((flash_flags & FLASH_FLAG_FORCE_WRITE) || sys_tick_has_passed(flash_tick_counter_last_write, 5000)) {
// sync the cache RAM buffer by writing it to the flash page
flash_write(flash_cache_sector_start, (const uint32_t*)CACHE_MEM_START_ADDR, flash_cache_sector_size / 4);
// clear the flash flags now that we have a clean cache
flash_flags = 0;
// indicate a clean cache with LED off
led_state(PYB_LED_RED, 0);
}
#endif
}
static uint8_t *flash_cache_get_addr_for_write(uint32_t flash_addr) {
uint32_t flash_sector_start;
uint32_t flash_sector_size;
uint32_t flash_sector_id = flash_get_sector_info(flash_addr, &flash_sector_start, &flash_sector_size);
if (flash_sector_size > FLASH_SECTOR_SIZE_MAX) {
flash_sector_size = FLASH_SECTOR_SIZE_MAX;
}
if (flash_cache_sector_id != flash_sector_id) {
flash_bdev_ioctl(BDEV_IOCTL_SYNC, 0);
memcpy((void*)CACHE_MEM_START_ADDR, (const void*)flash_sector_start, flash_sector_size);
flash_cache_sector_id = flash_sector_id;
flash_cache_sector_start = flash_sector_start;
flash_cache_sector_size = flash_sector_size;
}
flash_flags |= FLASH_FLAG_DIRTY;
led_state(PYB_LED_RED, 1); // indicate a dirty cache with LED on
flash_tick_counter_last_write = HAL_GetTick();
return (uint8_t*)CACHE_MEM_START_ADDR + flash_addr - flash_sector_start;
}
void sWlanCallback(long lEventType, char * data, unsigned char length)
{
switch (lEventType) {
case HCI_EVNT_WLAN_UNSOL_CONNECT:
wlan_connected = 1;
break;
case HCI_EVNT_WLAN_UNSOL_DISCONNECT:
/* Link down */
wlan_connected = 0;
led_state(LED_RED, 1);
break;
case HCI_EVNT_WLAN_UNSOL_DHCP:
ip_obtained = 1;
break;
case HCI_EVNT_BSD_TCP_CLOSE_WAIT:
// mark socket for closure
fd_state |= (1<<((uint8_t)data[0]));
break;
}
}
/// \method off()
/// Turn the LED off.
mp_obj_t led_obj_off(mp_obj_t self_in) {
board_led_obj_t *self = self_in;
led_state(self, 0);
return mp_const_none;
}
void fatality(void) {
led_state(PYB_LED_R1, 1);
led_state(PYB_LED_G1, 1);
led_state(PYB_LED_R2, 1);
led_state(PYB_LED_G2, 1);
}
mp_obj_t led_obj_off(mp_obj_t self_in) {
pyb_led_obj_t *self = self_in;
led_state(self->led_id, 0);
return mp_const_none;
}
void USR_KEYBRD_ProcessData(uint8_t pbuf) {
led_state(4, 1);
USB_OTG_BSP_mDelay(50);
led_state(4, 0);
usb_keyboard_key = pbuf;
}
void USR_KEYBRD_Init(void) {
led_state(4, 1);
USB_OTG_BSP_mDelay(100);
led_state(4, 0);
}
void USR_MOUSE_ProcessData(HID_MOUSE_Data_TypeDef *data) {
led_state(4, 1);
USB_OTG_BSP_mDelay(50);
led_state(4, 0);
}
void USR_MOUSE_Init(void) {
led_state(4, 1);
USB_OTG_BSP_mDelay(100);
led_state(4, 0);
}
int main(void) {
// TODO disable JTAG
// update the SystemCoreClock variable
SystemCoreClockUpdate();
// set interrupt priority config to use all 4 bits for pre-empting
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
// enable the CCM RAM and the GPIO's
RCC->AHB1ENR |= RCC_AHB1ENR_CCMDATARAMEN | RCC_AHB1ENR_GPIOAEN | RCC_AHB1ENR_GPIOBEN | RCC_AHB1ENR_GPIOCEN | RCC_AHB1ENR_GPIODEN;
#if MICROPY_HW_HAS_SDCARD
{
// configure SDIO pins to be high to start with (apparently makes it more robust)
// FIXME this is not making them high, it just makes them outputs...
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_11 | GPIO_Pin_12;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_Init(GPIOC, &GPIO_InitStructure);
// Configure PD.02 CMD line
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOD, &GPIO_InitStructure);
}
#endif
#if defined(NETDUINO_PLUS_2)
{
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
#if MICROPY_HW_HAS_SDCARD
// Turn on the power enable for the sdcard (PB1)
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_WriteBit(GPIOB, GPIO_Pin_1, Bit_SET);
#endif
// Turn on the power for the 5V on the expansion header (PB2)
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_WriteBit(GPIOB, GPIO_Pin_2, Bit_SET);
}
#endif
// basic sub-system init
sys_tick_init();
pendsv_init();
led_init();
#if MICROPY_HW_ENABLE_RTC
rtc_init();
#endif
// turn on LED to indicate bootup
led_state(PYB_LED_G1, 1);
// more sub-system init
#if MICROPY_HW_HAS_SDCARD
sdcard_init();
#endif
storage_init();
// uncomment these 2 lines if you want REPL on USART_6 (or another usart) as well as on USB VCP
//pyb_usart_global_debug = PYB_USART_YA;
//usart_init(pyb_usart_global_debug, 115200);
int first_soft_reset = true;
soft_reset:
// GC init
gc_init(&_heap_start, &_heap_end);
// Micro Python init
qstr_init();
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_0_colon__slash_));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_0_colon__slash_lib));
mp_obj_list_init(mp_sys_argv, 0);
exti_init();
#if MICROPY_HW_HAS_SWITCH
switch_init();
#endif
#if MICROPY_HW_HAS_LCD
// LCD init (just creates class, init hardware by calling LCD())
lcd_init();
#endif
#if MICROPY_HW_ENABLE_SERVO
// servo
servo_init();
#endif
#if MICROPY_HW_ENABLE_TIMER
// timer
timer_init();
#endif
#if MICROPY_HW_ENABLE_RNG
// RNG
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_RNG, ENABLE);
RNG_Cmd(ENABLE);
#endif
pin_map_init();
// add some functions to the builtin Python namespace
mp_store_name(MP_QSTR_help, mp_make_function_n(0, pyb_help));
mp_store_name(MP_QSTR_open, mp_make_function_n(2, pyb_io_open));
// load the pyb module
mp_module_register(MP_QSTR_pyb, (mp_obj_t)&pyb_module);
// check if user switch held (initiates reset of filesystem)
bool reset_filesystem = false;
#if MICROPY_HW_HAS_SWITCH
if (switch_get()) {
reset_filesystem = true;
for (int i = 0; i < 50; i++) {
if (!switch_get()) {
reset_filesystem = false;
break;
}
sys_tick_delay_ms(10);
}
}
#endif
// local filesystem init
{
// try to mount the flash
FRESULT res = f_mount(&fatfs0, "0:", 1);
if (!reset_filesystem && res == FR_OK) {
// mount sucessful
} else if (reset_filesystem || res == FR_NO_FILESYSTEM) {
// no filesystem, so create a fresh one
// TODO doesn't seem to work correctly when reset_filesystem is true...
// LED on to indicate creation of LFS
led_state(PYB_LED_R2, 1);
uint32_t stc = sys_tick_counter;
res = f_mkfs("0:", 0, 0);
if (res == FR_OK) {
// success creating fresh LFS
} else {
__fatal_error("could not create LFS");
}
// create src directory
res = f_mkdir("0:/src");
// ignore result from mkdir
// create empty main.py
FIL fp;
f_open(&fp, "0:/src/main.py", FA_WRITE | FA_CREATE_ALWAYS);
UINT n;
f_write(&fp, fresh_main_py, sizeof(fresh_main_py) - 1 /* don't count null terminator */, &n);
// TODO check we could write n bytes
f_close(&fp);
// keep LED on for at least 200ms
sys_tick_wait_at_least(stc, 200);
led_state(PYB_LED_R2, 0);
} else {
__fatal_error("could not access LFS");
}
}
// make sure we have a /boot.py
{
FILINFO fno;
FRESULT res = f_stat("0:/boot.py", &fno);
if (res == FR_OK) {
if (fno.fattrib & AM_DIR) {
// exists as a directory
// TODO handle this case
// see http://elm-chan.org/fsw/ff/img/app2.c for a "rm -rf" implementation
} else {
// exists as a file, good!
}
} else {
// doesn't exist, create fresh file
// LED on to indicate creation of boot.py
led_state(PYB_LED_R2, 1);
uint32_t stc = sys_tick_counter;
FIL fp;
f_open(&fp, "0:/boot.py", FA_WRITE | FA_CREATE_ALWAYS);
UINT n;
f_write(&fp, fresh_boot_py, sizeof(fresh_boot_py) - 1 /* don't count null terminator */, &n);
// TODO check we could write n bytes
f_close(&fp);
// keep LED on for at least 200ms
sys_tick_wait_at_least(stc, 200);
led_state(PYB_LED_R2, 0);
}
}
// run /boot.py
if (!pyexec_file("0:/boot.py")) {
flash_error(4);
}
if (first_soft_reset) {
#if MICROPY_HW_HAS_MMA7660
// MMA accel: init and reset address to zero
accel_init();
#endif
}
// turn boot-up LED off
led_state(PYB_LED_G1, 0);
#if MICROPY_HW_HAS_SDCARD
// if an SD card is present then mount it on 1:/
if (sdcard_is_present()) {
FRESULT res = f_mount(&fatfs1, "1:", 1);
if (res != FR_OK) {
printf("[SD] could not mount SD card\n");
} else {
if (first_soft_reset) {
// use SD card as medium for the USB MSD
usbd_storage_select_medium(USBD_STORAGE_MEDIUM_SDCARD);
}
}
}
#endif
#ifdef USE_HOST_MODE
// USB host
pyb_usb_host_init();
#elif defined(USE_DEVICE_MODE)
// USB device
pyb_usb_dev_init(PYB_USB_DEV_VCP_MSC);
#endif
// run main script
{
vstr_t *vstr = vstr_new();
vstr_add_str(vstr, "0:/");
if (pyb_config_source_dir == MP_OBJ_NULL) {
vstr_add_str(vstr, "src");
} else {
vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_source_dir));
}
vstr_add_char(vstr, '/');
if (pyb_config_main == MP_OBJ_NULL) {
vstr_add_str(vstr, "main.py");
} else {
vstr_add_str(vstr, mp_obj_str_get_str(pyb_config_main));
}
if (!pyexec_file(vstr_str(vstr))) {
flash_error(3);
}
vstr_free(vstr);
}
#if MICROPY_HW_HAS_MMA7660
// HID example
if (0) {
uint8_t data[4];
data[0] = 0;
data[1] = 1;
data[2] = -2;
data[3] = 0;
for (;;) {
#if MICROPY_HW_HAS_SWITCH
if (switch_get()) {
data[0] = 0x01; // 0x04 is middle, 0x02 is right
} else {
data[0] = 0x00;
}
#else
data[0] = 0x00;
#endif
accel_start(0x4c /* ACCEL_ADDR */, 1);
accel_send_byte(0);
accel_restart(0x4c /* ACCEL_ADDR */, 0);
for (int i = 0; i <= 1; i++) {
int v = accel_read_ack() & 0x3f;
if (v & 0x20) {
v |= ~0x1f;
}
data[1 + i] = v;
}
accel_read_nack();
usb_hid_send_report(data);
sys_tick_delay_ms(15);
}
}
#endif
#if MICROPY_HW_HAS_WLAN
// wifi
pyb_wlan_init();
pyb_wlan_start();
#endif
pyexec_repl();
printf("PYB: sync filesystems\n");
storage_flush();
printf("PYB: soft reboot\n");
first_soft_reset = false;
goto soft_reset;
}
int main(void)
{
// Stack limit should be less than real stack size, so we
// had chance to recover from limit hit.
mp_stack_set_limit((char*)&_ram_end - (char*)&_heap_end - 1024);
/* STM32F4xx HAL library initialization:
- Configure the Flash prefetch, instruction and Data caches
- Configure the Systick to generate an interrupt each 1 msec
- Set NVIC Group Priority to 4
- Global MSP (MCU Support Package) initialization
*/
HAL_Init();
// basic sub-system init
pendsv_init();
timer_tim3_init();
led_init();
soft_reset:
// check if user switch held to select the reset mode
led_state(LED_RED, 1);
led_state(LED_GREEN, 1);
led_state(LED_BLUE, 1);
#if MICROPY_HW_ENABLE_RTC
rtc_init();
#endif
// GC init
gc_init(&_heap_start, &_heap_end);
// Micro Python init
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_init(mp_sys_argv, 0);
readline_init0();
pin_init0();
extint_init0();
timer_init0();
rng_init0();
i2c_init0();
spi_init0();
uart_init0();
pyb_usb_init0();
usbdbg_init();
if (sensor_init() != 0) {
__fatal_error("Failed to init sensor");
}
/* Export functions to the global python namespace */
mp_store_global(qstr_from_str("randint"), (mp_obj_t)&py_randint_obj);
mp_store_global(qstr_from_str("cpu_freq"), (mp_obj_t)&py_cpu_freq_obj);
mp_store_global(qstr_from_str("Image"), (mp_obj_t)&py_image_load_image_obj);
mp_store_global(qstr_from_str("HaarCascade"), (mp_obj_t)&py_image_load_cascade_obj);
mp_store_global(qstr_from_str("FreakDesc"), (mp_obj_t)&py_image_load_descriptor_obj);
mp_store_global(qstr_from_str("FreakDescSave"), (mp_obj_t)&py_image_save_descriptor_obj);
mp_store_global(qstr_from_str("LBPDesc"), (mp_obj_t)&py_image_load_lbp_obj);
mp_store_global(qstr_from_str("vcp_is_connected"), (mp_obj_t)&py_vcp_is_connected_obj);
if (sdcard_is_present()) {
sdcard_init();
FRESULT res = f_mount(&fatfs, "1:", 1);
if (res != FR_OK) {
__fatal_error("could not mount SD\n");
}
// Set CWD and USB medium to SD
f_chdrive("1:");
pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_SDCARD;
} else {
storage_init();
// try to mount the flash
FRESULT res = f_mount(&fatfs, "0:", 1);
if (res == FR_NO_FILESYSTEM) {
// create a fresh fs
make_flash_fs();
} else if (res != FR_OK) {
__fatal_error("could not access LFS\n");
}
// Set CWD and USB medium to flash
f_chdrive("0:");
pyb_usb_storage_medium = PYB_USB_STORAGE_MEDIUM_FLASH;
}
// turn boot-up LEDs off
led_state(LED_RED, 0);
led_state(LED_GREEN, 0);
led_state(LED_BLUE, 0);
// init USB device to default setting if it was not already configured
if (!(pyb_usb_flags & PYB_USB_FLAG_USB_MODE_CALLED)) {
pyb_usb_dev_init(USBD_VID, USBD_PID_CDC_MSC, USBD_MODE_CDC_MSC, NULL);
}
// Run the main script from the current directory.
FRESULT res = f_stat("main.py", NULL);
if (res == FR_OK) {
if (!pyexec_file("main.py")) {
nlr_buf_t nlr;
if (nlr_push(&nlr) == 0) {
flash_error(3);
nlr_pop();
}
}
}
// Enter REPL
nlr_buf_t nlr;
for (;;) {
if (nlr_push(&nlr) == 0) {
while (usbdbg_script_ready()) {
nlr_buf_t nlr;
vstr_t *script_buf = usbdbg_get_script();
// clear script flag
usbdbg_clr_script();
// execute the script
if (nlr_push(&nlr) == 0) {
pyexec_push_scope();
// parse and compile script
mp_lexer_t *lex = mp_lexer_new_from_str_len(MP_QSTR__lt_stdin_gt_,
vstr_str(script_buf), vstr_len(script_buf), 0);
mp_parse_node_t pn = mp_parse(lex, MP_PARSE_FILE_INPUT);
mp_obj_t script = mp_compile(pn, lex->source_name, MP_EMIT_OPT_NONE, false);
// execute the script
mp_call_function_0(script);
nlr_pop();
} else {
mp_obj_print_exception(&mp_plat_print, (mp_obj_t)nlr.ret_val);
}
pyexec_pop_scope();
}
// clear script flag
usbdbg_clr_script();
// no script run REPL
pyexec_friendly_repl();
nlr_pop();
}
}
printf("PYB: sync filesystems\n");
storage_flush();
printf("PYB: soft reboot\n");
goto soft_reset;
}