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Diffstat (limited to 'cc3200/mods/modpyb.c')
| -rw-r--r-- | cc3200/mods/modpyb.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/cc3200/mods/modpyb.c b/cc3200/mods/modpyb.c new file mode 100644 index 0000000000..f17d6a257e --- /dev/null +++ b/cc3200/mods/modpyb.c @@ -0,0 +1,318 @@ +/* + * This file is part of the Micro Python project, http://micropython.org/ + * + * The MIT License (MIT) + * + * Copyright (c) 2013, 2014 Damien P. George + * Copyright (c) 2015 Daniel Campora + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ + + +#include <std.h> +#include <stdint.h> + +#include "py/mpstate.h" +#include "mpconfig.h" +#include MICROPY_HAL_H +#include "misc.h" +#include "nlr.h" +#include "qstr.h" +#include "obj.h" +#include "gc.h" +#include "gccollect.h" +#include "irq.h" +#include "inc/hw_types.h" +#include "inc/hw_gpio.h" +#include "inc/hw_ints.h" +#include "inc/hw_memmap.h" +#include "inc/hw_uart.h" +#include "prcm.h" +#include "pyexec.h" +#include "pybuart.h" +#include "pybgpio.h" +#include "pybstdio.h" +#include "pybrtc.h" +#include "pybsystick.h" +#include "simplelink.h" +#include "modwlan.h" +#include "telnet.h" +#include "ff.h" +#include "diskio.h" +#include "sflash_diskio.h" +#include "FreeRTOS.h" +#include "portable.h" +#include "task.h" +#include "mpexception.h" +#include "random.h" +#include "pybextint.h" + + +#ifdef DEBUG +extern OsiTaskHandle mpTaskHandle; +extern OsiTaskHandle svTaskHandle; +extern TaskHandle_t xSimpleLinkSpawnTaskHndl; +#endif + +/// \module pyb - functions related to the pyboard +/// +/// The `pyb` module contains specific functions related to the pyboard. + +/// \function hard_reset() +/// Resets the pyboard in a manner similar to pushing the external RESET +/// button. +STATIC mp_obj_t pyb_hard_reset(void) { + // disable wlan services + wlan_servers_stop(); + wlan_sl_disable(); + // perform a SoC reset + PRCMSOCReset(); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_hard_reset_obj, pyb_hard_reset); + +#ifdef DEBUG +/// \function info([dump_alloc_table]) +/// Print out some run time info which is helpful duirng development. +STATIC mp_obj_t pyb_info(uint n_args, const mp_obj_t *args) { + // FreeRTOS info + { + printf("---------------------------------------------\n"); + printf("FreeRTOS\n"); + printf("---------------------------------------------\n"); + printf("Total heap: %u\n", configTOTAL_HEAP_SIZE); + printf("Free heap: %u\n", xPortGetFreeHeapSize()); + printf("MpTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark((TaskHandle_t)mpTaskHandle)); + printf("ServersTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark((TaskHandle_t)svTaskHandle)); + printf("SlTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark(xSimpleLinkSpawnTaskHndl)); + printf("IdleTask min free stack: %u\n", (unsigned int)uxTaskGetStackHighWaterMark(xTaskGetIdleTaskHandle())); + + uint32_t *pstack = (uint32_t *)&_stack; + while (*pstack == 0x55555555) { + pstack++; + } + printf("MAIN min free stack: %u\n", pstack - ((uint32_t *)&_stack)); + printf("---------------------------------------------\n"); + } + + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info); +#endif + +/// \function unique_id() +/// Returns a string of 6 bytes (48 bits), which is the unique MAC address of the SoC +STATIC mp_obj_t pyb_mac(void) { + uint8_t mac[6]; + wlan_get_mac (mac); + return mp_obj_new_bytes(mac, 6); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_mac_obj, pyb_mac); + +/// \function freq() +/// Returns the CPU frequency: (F_CPU). +STATIC mp_obj_t pyb_freq(void) { + return mp_obj_new_int(HAL_FCPU_HZ); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_freq_obj, pyb_freq); + +/// \function sync() +/// Sync all file systems. +STATIC mp_obj_t pyb_sync(void) { + sflash_disk_flush(); + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_sync_obj, pyb_sync); + +/// \function millis() +/// Returns the number of milliseconds since the board was last reset. +/// +/// The result is always a micropython smallint (31-bit signed number), so +/// after 2^30 milliseconds (about 12.4 days) this will start to return +/// negative numbers. +STATIC mp_obj_t pyb_millis(void) { + // We want to "cast" the 32 bit unsigned into a small-int. This means + // copying the MSB down 1 bit (extending the sign down), which is + // equivalent to just using the MP_OBJ_NEW_SMALL_INT macro. + return MP_OBJ_NEW_SMALL_INT(HAL_GetTick()); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_millis_obj, pyb_millis); + +/// \function elapsed_millis(start) +/// Returns the number of milliseconds which have elapsed since `start`. +/// +/// This function takes care of counter wrap, and always returns a positive +/// number. This means it can be used to measure periods upto about 12.4 days. +/// +/// Example: +/// start = pyb.millis() +/// while pyb.elapsed_millis(start) < 1000: +/// # Perform some operation +STATIC mp_obj_t pyb_elapsed_millis(mp_obj_t start) { + uint32_t startMillis = mp_obj_get_int(start); + uint32_t currMillis = HAL_GetTick(); + return MP_OBJ_NEW_SMALL_INT((currMillis - startMillis) & 0x3fffffff); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_elapsed_millis_obj, pyb_elapsed_millis); + +/// \function micros() +/// Returns the number of microseconds since the board was last reset. +/// +/// The result is always a micropython smallint (31-bit signed number), so +/// after 2^30 microseconds (about 17.8 minutes) this will start to return +/// negative numbers. +STATIC mp_obj_t pyb_micros(void) { + // We want to "cast" the 32 bit unsigned into a small-int. This means + // copying the MSB down 1 bit (extending the sign down), which is + // equivalent to just using the MP_OBJ_NEW_SMALL_INT macro. + return MP_OBJ_NEW_SMALL_INT(sys_tick_get_microseconds()); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_micros_obj, pyb_micros); + +/// \function elapsed_micros(start) +/// Returns the number of microseconds which have elapsed since `start`. +/// +/// This function takes care of counter wrap, and always returns a positive +/// number. This means it can be used to measure periods upto about 17.8 minutes. +/// +/// Example: +/// start = pyb.micros() +/// while pyb.elapsed_micros(start) < 1000: +/// # Perform some operation +STATIC mp_obj_t pyb_elapsed_micros(mp_obj_t start) { + uint32_t startMicros = mp_obj_get_int(start); + uint32_t currMicros = sys_tick_get_microseconds(); + return MP_OBJ_NEW_SMALL_INT((currMicros - startMicros) & 0x3fffffff); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_elapsed_micros_obj, pyb_elapsed_micros); + +/// \function delay(ms) +/// Delay for the given number of milliseconds. +STATIC mp_obj_t pyb_delay(mp_obj_t ms_in) { + mp_int_t ms = mp_obj_get_int(ms_in); + if (ms > 0) { + HAL_Delay(ms); + } + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_delay_obj, pyb_delay); + +/// \function udelay(us) +/// Delay for the given number of microseconds. +STATIC mp_obj_t pyb_udelay(mp_obj_t usec_in) { + mp_int_t usec = mp_obj_get_int(usec_in); + if (usec > 0) { + uint32_t count = 0; + const uint32_t utime = ((HAL_FCPU_HZ / 1000000) * (usec / 4)); + while (++count <= utime) { + } + } + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_udelay_obj, pyb_udelay); + +STATIC mp_obj_t pyb_stop(void) { + return mp_const_none; +} + +MP_DEFINE_CONST_FUN_OBJ_0(pyb_stop_obj, pyb_stop); + +STATIC mp_obj_t pyb_standby(void) { + return mp_const_none; +} + +MP_DEFINE_CONST_FUN_OBJ_0(pyb_standby_obj, pyb_standby); + +/// \function repl_uart(uart) +/// Get or set the UART object that the REPL is repeated on. +STATIC mp_obj_t pyb_repl_uart(uint n_args, const mp_obj_t *args) { + if (n_args == 0) { + if (MP_STATE_PORT(pyb_stdio_uart) == NULL) { + return mp_const_none; + } else { + return MP_STATE_PORT(pyb_stdio_uart); + } + } else { + if (args[0] == mp_const_none) { + MP_STATE_PORT(pyb_stdio_uart) = NULL; + } else if (mp_obj_get_type(args[0]) == &pyb_uart_type) { + MP_STATE_PORT(pyb_stdio_uart) = args[0]; + } else { + nlr_raise(mp_obj_new_exception_msg(&mp_type_ValueError, mpexception_num_type_invalid_arguments)); + } + return mp_const_none; + } +} +STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_repl_uart_obj, 0, 1, pyb_repl_uart); + +MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c + +STATIC const mp_map_elem_t pyb_module_globals_table[] = { + { MP_OBJ_NEW_QSTR(MP_QSTR___name__), MP_OBJ_NEW_QSTR(MP_QSTR_pyb) }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_hard_reset), (mp_obj_t)&pyb_hard_reset_obj }, +#ifdef DEBUG + { MP_OBJ_NEW_QSTR(MP_QSTR_info), (mp_obj_t)&pyb_info_obj }, +#endif + { MP_OBJ_NEW_QSTR(MP_QSTR_mac), (mp_obj_t)&pyb_mac_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_freq), (mp_obj_t)&pyb_freq_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_repl_info), (mp_obj_t)&pyb_set_repl_info_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_wfi), (mp_obj_t)&pyb_wfi_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_disable_irq), (mp_obj_t)&pyb_disable_irq_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_enable_irq), (mp_obj_t)&pyb_enable_irq_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_stop), (mp_obj_t)&pyb_stop_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_standby), (mp_obj_t)&pyb_standby_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_main), (mp_obj_t)&pyb_main_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_repl_uart), (mp_obj_t)&pyb_repl_uart_obj }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_millis), (mp_obj_t)&pyb_millis_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_elapsed_millis), (mp_obj_t)&pyb_elapsed_millis_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_micros), (mp_obj_t)&pyb_micros_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_elapsed_micros), (mp_obj_t)&pyb_elapsed_micros_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_delay), (mp_obj_t)&pyb_delay_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_udelay), (mp_obj_t)&pyb_udelay_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_sync), (mp_obj_t)&pyb_sync_obj }, + + //{ MP_OBJ_NEW_QSTR(MP_QSTR_Timer), (mp_obj_t)&pyb_timer_type }, + +#if MICROPY_HW_ENABLE_RNG + { MP_OBJ_NEW_QSTR(MP_QSTR_rng), (mp_obj_t)&pyb_rng_get_obj }, +#endif + +#if MICROPY_HW_ENABLE_RTC + { MP_OBJ_NEW_QSTR(MP_QSTR_RTC), (mp_obj_t)&pyb_rtc_type }, +#endif + + { MP_OBJ_NEW_QSTR(MP_QSTR_GPIO), (mp_obj_t)&gpio_type }, + { MP_OBJ_NEW_QSTR(MP_QSTR_ExtInt), (mp_obj_t)&extint_type }, + + { MP_OBJ_NEW_QSTR(MP_QSTR_UART), (mp_obj_t)&pyb_uart_type }, +}; + +STATIC MP_DEFINE_CONST_DICT(pyb_module_globals, pyb_module_globals_table); + +const mp_obj_module_t pyb_module = { + .base = { &mp_type_module }, + .name = MP_QSTR_pyb, + .globals = (mp_obj_dict_t*)&pyb_module_globals, +}; |