diff options
Diffstat (limited to 'stm/main.c')
| -rw-r--r-- | stm/main.c | 480 |
1 files changed, 0 insertions, 480 deletions
diff --git a/stm/main.c b/stm/main.c deleted file mode 100644 index d7f2624c32..0000000000 --- a/stm/main.c +++ /dev/null @@ -1,480 +0,0 @@ -#include <stdio.h> -#include <string.h> -#include <stm32f4xx.h> -#include <stm32f4xx_rcc.h> -#include <stm32f4xx_syscfg.h> -#include <stm32f4xx_gpio.h> -#include <stm32f4xx_exti.h> -#include <stm32f4xx_tim.h> -#include <stm32f4xx_pwr.h> -#include <stm32f4xx_rtc.h> -#include <stm32f4xx_usart.h> -#include <stm32f4xx_rng.h> -#include <usbd_storage_msd.h> -#include <stm_misc.h> -#include "std.h" - -#include "misc.h" -#include "ff.h" -#include "mpconfig.h" -#include "qstr.h" -#include "nlr.h" -#include "misc.h" -#include "lexer.h" -#include "lexerfatfs.h" -#include "parse.h" -#include "obj.h" -#include "objmodule.h" -#include "parsehelper.h" -#include "compile.h" -#include "runtime0.h" -#include "runtime.h" -#include "gc.h" -#include "gccollect.h" -#include "systick.h" -#include "pendsv.h" -#include "pyexec.h" -#include "led.h" -#include "servo.h" -#include "lcd.h" -#include "storage.h" -#include "sdcard.h" -#include "accel.h" -#include "usb.h" -#include "timer.h" -#include "pybwlan.h" -#include "usrsw.h" -#include "rtc.h" -#include "file.h" -#include "pin.h" -#include "exti.h" -#include "pybmodule.h" - -int errno; - -static FATFS fatfs0; -#if MICROPY_HW_HAS_SDCARD -static FATFS fatfs1; -#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 __fatal_error(const char *msg) { -#if MICROPY_HW_HAS_LCD - lcd_print_strn("\nFATAL ERROR:\n", 14); - lcd_print_strn(msg, strlen(msg)); -#endif - for (;;) { - flash_error(1); - } -} - -void nlr_jump_fail(void *val) { - printf("FATAL: uncaught exception %p\n", val); - __fatal_error(""); -} - -STATIC mp_obj_t pyb_config_source_dir = MP_OBJ_NULL; -STATIC mp_obj_t pyb_config_main = MP_OBJ_NULL; - -STATIC mp_obj_t pyb_source_dir(mp_obj_t source_dir) { - if (MP_OBJ_IS_STR(source_dir)) { - pyb_config_source_dir = source_dir; - } - return mp_const_none; -} - -MP_DEFINE_CONST_FUN_OBJ_1(pyb_source_dir_obj, pyb_source_dir); - -STATIC mp_obj_t pyb_main(mp_obj_t main) { - if (MP_OBJ_IS_STR(main)) { - pyb_config_main = main; - } - return mp_const_none; -} - -MP_DEFINE_CONST_FUN_OBJ_1(pyb_main_obj, pyb_main); - -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); -} - -static const char fresh_boot_py[] = -"# boot.py -- run on boot-up\n" -"# can run arbitrary Python, but best to keep it minimal\n" -"\n" -"pyb.source_dir('/src')\n" -"pyb.main('main.py')\n" -"#pyb.usb_usr('VCP')\n" -"#pyb.usb_msd(True, 'dual partition')\n" -"#pyb.flush_cache(False)\n" -"#pyb.error_log('error.txt')\n" -; - -static const char fresh_main_py[] = -"# main.py -- put your code here!\n" -; - -static const char *help_text = -"Welcome to Micro Python!\n\n" -"This is a *very* early version of Micro Python and has minimal functionality.\n\n" -"Specific commands for the board:\n" -" pyb.info() -- print some general information\n" -" pyb.gc() -- run the garbage collector\n" -" pyb.repl_info(<val>) -- enable/disable printing of info after each command\n" -" pyb.delay(<n>) -- wait for n milliseconds\n" -" pyb.udelay(<n>) -- wait for n microseconds\n" -" pyb.Led(<n>) -- create Led object for LED n (n=1,2)\n" -" Led methods: on(), off()\n" -" pyb.Servo(<n>) -- create Servo object for servo n (n=1,2,3,4)\n" -" Servo methods: angle(<x>)\n" -" pyb.switch() -- return True/False if switch pressed or not\n" -" pyb.accel() -- get accelerometer values\n" -" pyb.rand() -- get a 16-bit random number\n" -" pyb.gpio(<port>) -- get port value (port='A4' for example)\n" -" pyb.gpio(<port>, <val>) -- set port value, True or False, 1 or 0\n" -" pyb.ADC(<port>) -- make an analog port object (port='C0' for example)\n" -" ADC methods: read()\n" -; - -// get some help about available functions -static mp_obj_t pyb_help(void) { - printf("%s", help_text); - return mp_const_none; -} - -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; -} |