// 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; }