// unregister all interrupt sources
void uart_deinit_all(void) {
for (int i = 0; i < MP_ARRAY_SIZE(MP_STATE_PORT(pyb_uart_obj_all)); i++) {
pyb_uart_obj_t *uart_obj = MP_STATE_PORT(pyb_uart_obj_all)[i];
if (uart_obj != NULL && !uart_obj->is_static) {
uart_deinit(uart_obj);
MP_STATE_PORT(pyb_uart_obj_all)[i] = NULL;
}
}
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the UART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*/
void sd_lld_stop(SerialDriver *sdp) {
if (sdp->state == SD_READY) {
uart_deinit(sdp->uart);
#if USE_LPC13xx_UART0
if (&SD1 == sdp) {
LPC_SYSCON->SYSAHBCLKCTRL &= ~(1 << 12);
NVICDisableVector(UART_IRQn);
return;
}
#endif
}
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the UART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*
* @notapi
*/
void sd_lld_stop(SerialDriver *sdp) {
if (sdp->state == SD_READY) {
uart_deinit(sdp->uart);
#if LPC11xx_SERIAL_USE_UART0
if (&SD1 == sdp) {
LPC_SYSCON->UARTCLKDIV = 0;
LPC_SYSCON->SYSAHBCLKCTRL &= ~(1 << 12);
nvicDisableVector(UART_IRQn);
return;
}
#endif
}
}
/**
* \brief This will start a sleep operation.
*
* \param val Used for remembering the new menu to display after a wakeup.
*/
void
menu_run_sleep(uint8_t *val)
{
/* Turn off LED, LCD, ADC, Timer 1, SPI */
led_off();
lcd_deinit();
key_deinit();
PRR |= (1 << PRTIM1) | (1 << PRSPI);
/* Tell the 1284P to turn off the radio and sleep */
sleep_count=0;
uart_serial_send_frame(SEND_SLEEP, 1, (uint8_t *)&sleep_count);
/* Turn off UART when transmission is complete */
while(!(UCSR0A & (1 << TXC0)));
_delay_us(10000); //deinit trash clears done flag on 1284p
uart_deinit();
/* Go to sleep until button is pushed */
sleep_now(0);
/* Yawn, waking up, turn on LCD with Raven Logo */
lcd_init();
lcd_symbol_set(LCD_SYMBOL_RAVEN);
/* Disable interrupts before powering everything up */
cli();
key_init();
PRR &= ~((1 << PRTIM1) | (1 << PRSPI));
uart_init();
/* Enable interrupts, Wake up 1284p and radio */
sei();
sleep_wakeup();
// uart_init();//flush receive buffer
/* Wait for buttons up */
while (key_state_get() != KEY_NO_KEY)
;
if (is_button()){
get_button();
}
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the UART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*
* @notapi
*/
void sd_lld_stop(SerialDriver *sdp) {
if (sdp->state == SD_READY) {
uart_deinit(sdp->uart);
#if USE_LPC214x_UART0
if (&SD1 == sdp) {
PCONP = (PCONP & PCALL) & ~PCUART0;
VICIntEnClear = INTMASK(SOURCE_UART0);
return;
}
#endif
#if USE_LPC214x_UART1
if (&SD2 == sdp) {
PCONP = (PCONP & PCALL) & ~PCUART1;
VICIntEnClear = INTMASK(SOURCE_UART1);
return;
}
#endif
}
}
void main()
{
char commands[] = {128, 131 };
char commands2[] = { 145, 0, 10, 0, 105};
//char commands2[] = {152, 13, 137, 1, 44, 128, 0, 156, 1, 144, 137, 0, 0, 0, 0};
int num_of_commands=2;
int num_of_commands2=5;
int fd;
fd=uart_init(57600,"/dev/ttyUSB0");
for(int i=0;i<num_of_commands;i++)
{
uart_tx(fd,commands[i]);
}
sleep(1);
for(int i=0;i<num_of_commands2;i++)
{
uart_tx(fd,commands2[i]);
}
sleep(1);
printf("stopping\n");
//stop
char commands3 [] = {128, 131};
char commands4 [] ={145, 0, 0, 0, 0};
//unsigned char commands[] = {128,132,139,2,0,0};
int num_of_commands3=2;
int num_of_commands4=5;
for(int i=0;i<num_of_commands3;i++)
{
uart_tx(fd,commands3[i]);
}
sleep(1);
for(int i=0;i<num_of_commands4;i++)
{
uart_tx(fd,commands4[i]);
}
uart_deinit(fd);
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the UART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*
* @notapi
*/
void sd_lld_stop(SerialDriver *sdp) {
if (sdp->state == SD_READY) {
uart_deinit(sdp->uart);
#if LPC17xx_SERIAL_USE_UART0
if (&SD1 == sdp) {
LPC_SC->PCONP &= ~(1 << 3);
nvicDisableVector(UART0_IRQn);
return;
}
#endif
#if LPC17xx_SERIAL_USE_UART1
if (&SD2 == sdp) {
LPC_SC->PCONP &= ~(1 << 4);
nvicDisableVector(UART1_IRQn);
return;
}
#endif
#if LPC17xx_SERIAL_USE_UART2
if (&SD3 == sdp) {
LPC_SC->PCONP &= ~(1 << 24);
nvicDisableVector(UART2_IRQn);
return;
}
#endif
#if LPC17xx_SERIAL_USE_UART3
if (&SD4 == sdp) {
LPC_SC->PCONP &= ~(1 << 25);
nvicDisableVector(UART3_IRQn);
return;
}
#endif
}
}
/**
* @brief Low level serial driver stop.
* @details De-initializes the UART, stops the associated clock, resets the
* interrupt vector.
*
* @param[in] sdp pointer to a @p SerialDriver object
*
* @notapi
*/
void sd_lld_stop(SerialDriver *sdp)
{
if (sdp->state == SD_READY) {
uart_deinit(sdp->uart);
#if TIVA_SERIAL_USE_UART0
if (&SD1 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 0); /* disable UART0 module */
nvicDisableVector(TIVA_UART0_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART1
if (&SD2 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 1); /* disable UART1 module */
nvicDisableVector(TIVA_UART1_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART2
if (&SD3 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 2); /* disable UART2 module */
nvicDisableVector(TIVA_UART2_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART3
if (&SD4 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 3); /* disable UART3 module */
nvicDisableVector(TIVA_UART3_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART4
if (&SD5 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 4); /* disable UART4 module */
nvicDisableVector(TIVA_UART4_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART5
if (&SD6 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 5); /* disable UART5 module */
nvicDisableVector(TIVA_UART5_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART6
if (&SD7 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 6); /* disable UART6 module */
nvicDisableVector(TIVA_UART6_NUMBER);
return;
}
#endif
#if TIVA_SERIAL_USE_UART7
if (&SD8 == sdp) {
HWREG(SYSCTL_RCGCUART) &= ~(1 << 7); /* disable UART7 module */
nvicDisableVector(TIVA_UART7_NUMBER);
return;
}
#endif
}
}
/// \method deinit()
/// Turn off the UART bus.
STATIC mp_obj_t pyb_uart_deinit(mp_obj_t self_in) {
pyb_uart_obj_t *self = self_in;
uart_deinit(self);
return mp_const_none;
}
int main(void) {
// TODO disable JTAG
// Stack limit should be less than real stack size, so we have a chance
// to recover from limit hit. (Limit is measured in bytes.)
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();
// set the system clock to be HSE
SystemClock_Config();
// enable GPIO clocks
__GPIOA_CLK_ENABLE();
__GPIOB_CLK_ENABLE();
__GPIOC_CLK_ENABLE();
__GPIOD_CLK_ENABLE();
// enable the CCM RAM
__CCMDATARAMEN_CLK_ENABLE();
#if 0
#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
#endif
// basic sub-system init
pendsv_init();
timer_tim3_init();
led_init();
#if MICROPY_HW_HAS_SWITCH
switch_init0();
#endif
int first_soft_reset = true;
soft_reset:
// check if user switch held to select the reset mode
led_state(1, 0);
led_state(2, 1);
led_state(3, 0);
led_state(4, 0);
uint reset_mode = 1;
#if MICROPY_HW_HAS_SWITCH
if (switch_get()) {
for (uint i = 0; i < 3000; i++) {
if (!switch_get()) {
break;
}
HAL_Delay(20);
if (i % 30 == 29) {
if (++reset_mode > 3) {
reset_mode = 1;
}
led_state(2, reset_mode & 1);
led_state(3, reset_mode & 2);
led_state(4, reset_mode & 4);
}
}
// flash the selected reset mode
for (uint i = 0; i < 6; i++) {
led_state(2, 0);
led_state(3, 0);
led_state(4, 0);
HAL_Delay(50);
led_state(2, reset_mode & 1);
led_state(3, reset_mode & 2);
led_state(4, reset_mode & 4);
HAL_Delay(50);
}
HAL_Delay(400);
}
#endif
#if MICROPY_HW_ENABLE_RTC
if (first_soft_reset) {
rtc_init();
}
#endif
// more sub-system init
#if MICROPY_HW_HAS_SDCARD
if (first_soft_reset) {
sdcard_init();
}
#endif
if (first_soft_reset) {
storage_init();
}
// GC init
gc_init(&_heap_start, &_heap_end);
// Micro Python init
mp_init();
mp_obj_list_init(mp_sys_path, 0);
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR_)); // current dir (or base dir of the script)
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_flash_slash_lib));
mp_obj_list_init(mp_sys_argv, 0);
// Change #if 0 to #if 1 if you want REPL on UART_6 (or another uart)
// as well as on USB VCP
#if 0
{
mp_obj_t args[2] = {
MP_OBJ_NEW_SMALL_INT(PYB_UART_6),
MP_OBJ_NEW_SMALL_INT(115200),
};
pyb_stdio_uart = pyb_uart_type.make_new((mp_obj_t)&pyb_uart_type, MP_ARRAY_SIZE(args), 0, args);
}
#else
pyb_stdio_uart = NULL;
#endif
// Initialise low-level sub-systems. Here we need to very basic things like
// zeroing out memory and resetting any of the sub-systems. Following this
// we can run Python scripts (eg boot.py), but anything that is configurable
// by boot.py must be set after boot.py is run.
readline_init0();
pin_init0();
extint_init0();
timer_init0();
uart_init0();
#if MICROPY_HW_ENABLE_RNG
rng_init0();
#endif
i2c_init0();
spi_init0();
pyb_usb_init0();
// Initialise the local flash filesystem.
// Create it if needed, and mount in on /flash.
{
// try to mount the flash
FRESULT res = f_mount(&fatfs0, "/flash", 1);
if (reset_mode == 3 || res == FR_NO_FILESYSTEM) {
// no filesystem, or asked to reset it, so create a fresh one
// LED on to indicate creation of LFS
led_state(PYB_LED_R2, 1);
uint32_t start_tick = HAL_GetTick();
res = f_mkfs("/flash", 0, 0);
if (res == FR_OK) {
// success creating fresh LFS
} else {
__fatal_error("could not create LFS");
}
// set label
f_setlabel("/flash/pybflash");
// create empty main.py
FIL fp;
f_open(&fp, "/flash/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);
// create .inf driver file
f_open(&fp, "/flash/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, "/flash/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);
// keep LED on for at least 200ms
sys_tick_wait_at_least(start_tick, 200);
led_state(PYB_LED_R2, 0);
} else if (res == FR_OK) {
// mount sucessful
} else {
__fatal_error("could not access LFS");
}
}
// The current directory is used as the boot up directory.
// It is set to the internal flash filesystem by default.
f_chdrive("/flash");
// Make sure we have a /flash/boot.py. Create it if needed.
{
FILINFO fno;
#if _USE_LFN
fno.lfname = NULL;
fno.lfsize = 0;
#endif
FRESULT res = f_stat("/flash/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 start_tick = HAL_GetTick();
FIL fp;
f_open(&fp, "/flash/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(start_tick, 200);
led_state(PYB_LED_R2, 0);
}
}
#if defined(USE_DEVICE_MODE)
usb_storage_medium_t usb_medium = USB_STORAGE_MEDIUM_FLASH;
#endif
#if MICROPY_HW_HAS_SDCARD
// if an SD card is present then mount it on /sd/
if (sdcard_is_present()) {
FRESULT res = f_mount(&fatfs1, "/sd", 1);
if (res != FR_OK) {
printf("[SD] could not mount SD card\n");
} else {
// use SD card as current directory
f_chdrive("/sd");
// TODO these should go before the /flash entries in the path
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_sd));
mp_obj_list_append(mp_sys_path, MP_OBJ_NEW_QSTR(MP_QSTR__slash_sd_slash_lib));
if (first_soft_reset) {
// use SD card as medium for the USB MSD
#if defined(USE_DEVICE_MODE)
usb_medium = USB_STORAGE_MEDIUM_SDCARD;
#endif
}
}
}
#endif
// reset config variables; they should be set by boot.py
pyb_config_main = MP_OBJ_NULL;
pyb_config_usb_mode = MP_OBJ_NULL;
// run boot.py, if it exists
// TODO perhaps have pyb.reboot([bootpy]) function to soft-reboot and execute custom boot.py
if (reset_mode == 1) {
const char *boot_py = "boot.py";
FRESULT res = f_stat(boot_py, NULL);
if (res == FR_OK) {
int ret = pyexec_file(boot_py);
if (ret & PYEXEC_FORCED_EXIT) {
goto soft_reset_exit;
}
if (!ret) {
flash_error(4);
}
}
}
// turn boot-up LEDs off
led_state(2, 0);
led_state(3, 0);
led_state(4, 0);
// Now we initialise sub-systems that need configuration from boot.py,
// or whose initialisation can be safely deferred until after running
// boot.py.
#if defined(USE_HOST_MODE)
// USB host
pyb_usb_host_init();
#elif defined(USE_DEVICE_MODE)
// USB device
usb_device_mode_t usb_mode = USB_DEVICE_MODE_CDC_MSC;
// if we are not in reset_mode==1, this config variable will always be NULL
if (pyb_config_usb_mode != MP_OBJ_NULL) {
if (strcmp(mp_obj_str_get_str(pyb_config_usb_mode), "CDC+HID") == 0) {
usb_mode = USB_DEVICE_MODE_CDC_HID;
}
}
pyb_usb_dev_init(usb_mode, usb_medium);
#endif
#if MICROPY_HW_HAS_MMA7660
// MMA accel: init and reset
accel_init();
#endif
#if MICROPY_HW_ENABLE_SERVO
// servo
servo_init();
#endif
#if MICROPY_HW_ENABLE_DAC
// DAC
dac_init();
#endif
mod_network_init();
// At this point everything is fully configured and initialised.
// Run the main script from the current directory.
if (reset_mode == 1 && pyexec_mode_kind == PYEXEC_MODE_FRIENDLY_REPL) {
const char *main_py;
if (pyb_config_main == MP_OBJ_NULL) {
main_py = "main.py";
} else {
main_py = mp_obj_str_get_str(pyb_config_main);
}
FRESULT res = f_stat(main_py, NULL);
if (res == FR_OK) {
int ret = pyexec_file(main_py);
if (ret & PYEXEC_FORCED_EXIT) {
goto soft_reset_exit;
}
if (!ret) {
flash_error(3);
}
}
}
// Main script is finished, so now go into REPL mode.
// The REPL mode can change, or it can request a soft reset.
for (;;) {
if (pyexec_mode_kind == PYEXEC_MODE_RAW_REPL) {
if (pyexec_raw_repl() != 0) {
break;
}
} else {
if (pyexec_friendly_repl() != 0) {
break;
}
}
}
soft_reset_exit:
// soft reset
printf("PYB: sync filesystems\n");
storage_flush();
printf("PYB: soft reboot\n");
timer_deinit();
uart_deinit();
first_soft_reset = false;
goto soft_reset;
}
