modpyb.c 9.39 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
#include <stdint.h>
#include <stdio.h>

#include <stm32f4xx_hal.h>

#include "misc.h"
#include "mpconfig.h"
#include "qstr.h"
#include "obj.h"
#include "gc.h"
#include "gccollect.h"
#include "systick.h"
13
#include "pybstdio.h"
14
#include "pyexec.h"
15
#include "led.h"
16
17
18
19
#include "gpio.h"
#include "pin.h"
#include "exti.h"
#include "usrsw.h"
20
#include "rng.h"
21
#include "rtc.h"
Dave Hylands's avatar
Dave Hylands committed
22
#include "usart.h"
Dave Hylands's avatar
Dave Hylands committed
23
#include "adc.h"
24
#include "storage.h"
Damien George's avatar
Damien George committed
25
#include "sdcard.h"
26
#include "accel.h"
27
#include "servo.h"
Damien George's avatar
Damien George committed
28
#include "dac.h"
29
#include "i2c.h"
30
#include "usb.h"
31
#include "modpyb.h"
32
#include "ff.h"
33
34

// get lots of info about the board
35
STATIC mp_obj_t pyb_info(uint n_args, const mp_obj_t *args) {
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
    // get and print unique id; 96 bits
    {
        byte *id = (byte*)0x1fff7a10;
        printf("ID=%02x%02x%02x%02x:%02x%02x%02x%02x:%02x%02x%02x%02x\n", id[0], id[1], id[2], id[3], id[4], id[5], id[6], id[7], id[8], id[9], id[10], id[11]);
    }

    // get and print clock speeds
    // SYSCLK=168MHz, HCLK=168MHz, PCLK1=42MHz, PCLK2=84MHz
    {
        printf("S=%lu\nH=%lu\nP1=%lu\nP2=%lu\n", 
               HAL_RCC_GetSysClockFreq(),
               HAL_RCC_GetHCLKFreq(),
               HAL_RCC_GetPCLK1Freq(),
               HAL_RCC_GetPCLK2Freq());
    }

    // to print info about memory
    {
        printf("_etext=%p\n", &_etext);
        printf("_sidata=%p\n", &_sidata);
        printf("_sdata=%p\n", &_sdata);
        printf("_edata=%p\n", &_edata);
        printf("_sbss=%p\n", &_sbss);
        printf("_ebss=%p\n", &_ebss);
        printf("_estack=%p\n", &_estack);
        printf("_ram_start=%p\n", &_ram_start);
        printf("_heap_start=%p\n", &_heap_start);
        printf("_heap_end=%p\n", &_heap_end);
        printf("_ram_end=%p\n", &_ram_end);
    }

    // qstr info
    {
        uint n_pool, n_qstr, n_str_data_bytes, n_total_bytes;
        qstr_pool_info(&n_pool, &n_qstr, &n_str_data_bytes, &n_total_bytes);
        printf("qstr:\n  n_pool=%u\n  n_qstr=%u\n  n_str_data_bytes=%u\n  n_total_bytes=%u\n", n_pool, n_qstr, n_str_data_bytes, n_total_bytes);
    }

    // GC info
    {
        gc_info_t info;
        gc_info(&info);
        printf("GC:\n");
        printf("  %lu total\n", info.total);
        printf("  %lu : %lu\n", info.used, info.free);
        printf("  1=%lu 2=%lu m=%lu\n", info.num_1block, info.num_2block, info.max_block);
    }

    // free space on flash
    {
        DWORD nclst;
        FATFS *fatfs;
        f_getfree("0:", &nclst, &fatfs);
        printf("LFS free: %u bytes\n", (uint)(nclst * fatfs->csize * 512));
    }

92
93
94
95
96
    if (n_args == 1) {
        // arg given means dump gc allocation table
        gc_dump_alloc_table();
    }

97
98
99
    return mp_const_none;
}

100
STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_info_obj, 0, 1, pyb_info);
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116

// sync all file systems
STATIC mp_obj_t pyb_sync(void) {
    storage_flush();
    return mp_const_none;
}

STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_sync_obj, pyb_sync);

STATIC mp_obj_t pyb_millis(void) {
    return mp_obj_new_int(HAL_GetTick());
}

STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_millis_obj, pyb_millis);

STATIC mp_obj_t pyb_delay(mp_obj_t count) {
117
    HAL_Delay(mp_obj_get_int(count));
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
    return mp_const_none;
}

STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_delay_obj, pyb_delay);

STATIC mp_obj_t pyb_udelay(mp_obj_t usec) {
    uint32_t count = 0;
    const uint32_t utime = (168 * mp_obj_get_int(usec) / 5);
    for (;;) {
        if (++count > utime) {
            return mp_const_none;
        }
    }
}

STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_udelay_obj, pyb_udelay);

135
136
137
138
139
140
141
STATIC mp_obj_t pyb_wfi(void) {
    __WFI();
    return mp_const_none;
}

MP_DEFINE_CONST_FUN_OBJ_0(pyb_wfi_obj, pyb_wfi);

142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
#if 0
STATIC void SYSCLKConfig_STOP(void) {
    /* After wake-up from STOP reconfigure the system clock */
    /* Enable HSE */
    RCC_HSEConfig(RCC_HSE_ON);

    /* Wait till HSE is ready */
    while (RCC_GetFlagStatus(RCC_FLAG_HSERDY) == RESET) {
    }

    /* Enable PLL */
    RCC_PLLCmd(ENABLE);

    /* Wait till PLL is ready */
    while (RCC_GetFlagStatus(RCC_FLAG_PLLRDY) == RESET) {
    }

    /* Select PLL as system clock source */
    RCC_SYSCLKConfig(RCC_SYSCLKSource_PLLCLK);

    /* Wait till PLL is used as system clock source */
    while (RCC_GetSYSCLKSource() != 0x08) {
    }
}
#endif

STATIC mp_obj_t pyb_stop(void) {
#if 0
    PWR_EnterSTANDBYMode();
    //PWR_FlashPowerDownCmd(ENABLE); don't know what the logic is with this

    /* Enter Stop Mode */
    PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);

    /* Configures system clock after wake-up from STOP: enable HSE, PLL and select 
     *        PLL as system clock source (HSE and PLL are disabled in STOP mode) */
    SYSCLKConfig_STOP();

    //PWR_FlashPowerDownCmd(DISABLE);
#endif
    return mp_const_none;
}

MP_DEFINE_CONST_FUN_OBJ_0(pyb_stop_obj, pyb_stop);

STATIC mp_obj_t pyb_standby(void) {
#if 0
    PWR_EnterSTANDBYMode();
#endif
    return mp_const_none;
}

MP_DEFINE_CONST_FUN_OBJ_0(pyb_standby_obj, pyb_standby);

STATIC mp_obj_t pyb_hid_send_report(mp_obj_t arg) {
197
198
    mp_obj_t *items;
    mp_obj_get_array_fixed_n(arg, 4, &items);
199
200
201
202
203
204
205
206
207
    uint8_t data[4];
    data[0] = mp_obj_get_int(items[0]);
    data[1] = mp_obj_get_int(items[1]);
    data[2] = mp_obj_get_int(items[2]);
    data[3] = mp_obj_get_int(items[3]);
    usb_hid_send_report(data);
    return mp_const_none;
}

208
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_hid_send_report_obj, pyb_hid_send_report);
209
210
211
212
213

#if 0
MP_DEFINE_CONST_FUN_OBJ_2(pyb_I2C_obj, pyb_I2C); // TODO put this in i2c.c
#endif

214
215
216
217
218
219
STATIC mp_obj_t pyb_input(void ) {
    return mp_obj_new_int(stdin_rx_chr());
}

STATIC MP_DEFINE_CONST_FUN_OBJ_0(pyb_input_obj, pyb_input);

220
221
MP_DECLARE_CONST_FUN_OBJ(pyb_source_dir_obj); // defined in main.c
MP_DECLARE_CONST_FUN_OBJ(pyb_main_obj); // defined in main.c
222
MP_DECLARE_CONST_FUN_OBJ(pyb_usb_mode_obj); // defined in main.c
223
224
225
226
227
228
229
230

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_info), (mp_obj_t)&pyb_info_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_gc), (mp_obj_t)&pyb_gc_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_repl_info), (mp_obj_t)&pyb_set_repl_info_obj },

231
    { MP_OBJ_NEW_QSTR(MP_QSTR_wfi), (mp_obj_t)&pyb_wfi_obj },
232
233
234
235
    { 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_source_dir), (mp_obj_t)&pyb_source_dir_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_main), (mp_obj_t)&pyb_main_obj },
236
    { MP_OBJ_NEW_QSTR(MP_QSTR_usb_mode), (mp_obj_t)&pyb_usb_mode_obj },
237
238
239
240
241
242
243

    { MP_OBJ_NEW_QSTR(MP_QSTR_millis), (mp_obj_t)&pyb_millis_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 },

#if MICROPY_HW_ENABLE_RNG
244
    { MP_OBJ_NEW_QSTR(MP_QSTR_rng), (mp_obj_t)&pyb_rng_get_obj },
245
246
247
248
249
250
251
252
253
254
#endif

#if MICROPY_HW_ENABLE_RTC
    { MP_OBJ_NEW_QSTR(MP_QSTR_time), (mp_obj_t)&pyb_rtc_read_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_rtc_info), (mp_obj_t)&pyb_rtc_info_obj },
#endif

#if MICROPY_HW_ENABLE_SERVO
    { MP_OBJ_NEW_QSTR(MP_QSTR_pwm), (mp_obj_t)&pyb_pwm_set_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_servo), (mp_obj_t)&pyb_servo_set_obj },
255
    { MP_OBJ_NEW_QSTR(MP_QSTR_Servo), (mp_obj_t)&pyb_servo_type },
256
257
258
259
260
261
262
263
264
265
#endif

#if MICROPY_HW_HAS_SWITCH
    { MP_OBJ_NEW_QSTR(MP_QSTR_switch), (mp_obj_t)&pyb_switch_obj },
#endif

#if MICROPY_HW_HAS_SDCARD
    { MP_OBJ_NEW_QSTR(MP_QSTR_SD), (mp_obj_t)&pyb_sdcard_obj },
#endif

266
    { MP_OBJ_NEW_QSTR(MP_QSTR_Led), (mp_obj_t)&pyb_led_type },
267
    { MP_OBJ_NEW_QSTR(MP_QSTR_I2C), (mp_obj_t)&pyb_i2c_type },
268
    { MP_OBJ_NEW_QSTR(MP_QSTR_Usart), (mp_obj_t)&pyb_usart_type },
269
270

    { MP_OBJ_NEW_QSTR(MP_QSTR_ADC), (mp_obj_t)&pyb_adc_type },
271
    { MP_OBJ_NEW_QSTR(MP_QSTR_ADC_all), (mp_obj_t)&pyb_ADC_all_obj },
Damien George's avatar
Damien George committed
272
273
274

#if MICROPY_HW_ENABLE_DAC
    { MP_OBJ_NEW_QSTR(MP_QSTR_DAC), (mp_obj_t)&pyb_dac_type },
275
276
#endif

277
278
279
280
281
282
#if MICROPY_HW_HAS_MMA7660
    { MP_OBJ_NEW_QSTR(MP_QSTR_Accel), (mp_obj_t)&pyb_accel_type },
#endif

    { MP_OBJ_NEW_QSTR(MP_QSTR_hid), (mp_obj_t)&pyb_hid_send_report_obj },

283
284
285
    // input
    { MP_OBJ_NEW_QSTR(MP_QSTR_input), (mp_obj_t)&pyb_input_obj },

286
287
288
289
290
291
292
    // pin mapper
    { MP_OBJ_NEW_QSTR(MP_QSTR_Pin), (mp_obj_t)&pin_map_obj },

    // GPIO bindings
    { MP_OBJ_NEW_QSTR(MP_QSTR_gpio), (mp_obj_t)&pyb_gpio_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_gpio_in), (mp_obj_t)&pyb_gpio_input_obj },
    { MP_OBJ_NEW_QSTR(MP_QSTR_gpio_out), (mp_obj_t)&pyb_gpio_output_obj },
293
294
295
296
297
    { MP_OBJ_NEW_QSTR(MP_QSTR_PULL_NONE), MP_OBJ_NEW_SMALL_INT(GPIO_NOPULL) },
    { MP_OBJ_NEW_QSTR(MP_QSTR_PULL_UP), MP_OBJ_NEW_SMALL_INT(GPIO_PULLUP) },
    { MP_OBJ_NEW_QSTR(MP_QSTR_PULL_DOWN), MP_OBJ_NEW_SMALL_INT(GPIO_PULLDOWN) },
    { MP_OBJ_NEW_QSTR(MP_QSTR_PUSH_PULL), MP_OBJ_NEW_SMALL_INT(GPIO_MODE_OUTPUT_PP) },
    { MP_OBJ_NEW_QSTR(MP_QSTR_OPEN_DRAIN), MP_OBJ_NEW_SMALL_INT(GPIO_MODE_OUTPUT_OD) },
298
299
300
301
302

    // EXTI bindings
    { MP_OBJ_NEW_QSTR(MP_QSTR_Exti), (mp_obj_t)&exti_obj_type },
};

303
304
305
306
307
308
309
310
311
STATIC const mp_obj_dict_t pyb_module_globals = {
    .base = {&mp_type_dict},
    .map = {
        .all_keys_are_qstrs = 1,
        .table_is_fixed_array = 1,
        .used = sizeof(pyb_module_globals_table) / sizeof(mp_map_elem_t),
        .alloc = sizeof(pyb_module_globals_table) / sizeof(mp_map_elem_t),
        .table = (mp_map_elem_t*)pyb_module_globals_table,
    },
312
313
314
315
316
};

const mp_obj_module_t pyb_module = {
    .base = { &mp_type_module },
    .name = MP_QSTR_pyb,
317
    .globals = (mp_obj_dict_t*)&pyb_module_globals,
318
};