circuitpython/ports/nrf/supervisor/debug_uart.c

242 lines
7.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2021 Jun2Sak
*
* 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 <stdio.h>
#include <stdarg.h>
#include <stdint.h>
#include <string.h>
#ifdef NRF_DEBUG_PRINT
#define DEBUG_UART_TXPIN 26
#define DEBUG_UART_RXPIN 15
#include "nrfx.h"
#include "nrf_uart.h"
#include "nrf_gpio.h"
#include "nrf_rtc.h"
#include "nrfx_uarte.h"
#include "nrfx_rtc.h"
#include "supervisor/serial.h" // dbg_printf()
#include "shared-bindings/microcontroller/Processor.h"
#include "common-hal/alarm/__init__.h"
extern const nrfx_rtc_t rtc_instance; // port.c
extern uint32_t reset_reason_saved;
const nrfx_uarte_t _dbg_uart_inst = NRFX_UARTE_INSTANCE(1);
static int _dbg_uart_initialized = 0;
#define DBG_PBUF_LEN 80
static char _dbg_pbuf[DBG_PBUF_LEN + 1];
void _debug_uart_uninit(void) {
nrf_gpio_cfg(DEBUG_UART_TXPIN,
NRF_GPIO_PIN_DIR_INPUT,
NRF_GPIO_PIN_INPUT_DISCONNECT,
NRF_GPIO_PIN_NOPULL,
NRF_GPIO_PIN_S0S1,
NRF_GPIO_PIN_NOSENSE);
nrfx_uarte_uninit(&_dbg_uart_inst);
}
void _debug_uart_init(void) {
// if (_dbg_uart_initialized) return;
nrfx_uarte_config_t config = {
.pseltxd = DEBUG_UART_TXPIN,
.pselrxd = DEBUG_UART_RXPIN,
.pselcts = NRF_UARTE_PSEL_DISCONNECTED,
.pselrts = NRF_UARTE_PSEL_DISCONNECTED,
.p_context = NULL,
.baudrate = NRF_UART_BAUDRATE_115200,
.interrupt_priority = 7,
.hal_cfg = {
.hwfc = NRF_UARTE_HWFC_DISABLED,
.parity = NRF_UARTE_PARITY_EXCLUDED
}
};
nrfx_uarte_init(&_dbg_uart_inst, &config, NULL);
// drive config
nrf_gpio_cfg(config.pseltxd,
NRF_GPIO_PIN_DIR_OUTPUT,
NRF_GPIO_PIN_INPUT_DISCONNECT,
NRF_GPIO_PIN_PULLUP, // orig=NOPULL
NRF_GPIO_PIN_H0H1, // orig=S0S1
NRF_GPIO_PIN_NOSENSE);
_dbg_uart_initialized = 1;
return;
}
void _debug_print_substr(const char *text, uint32_t length) {
char *data = (char *)text;
int siz;
while (length != 0) {
if (length <= DBG_PBUF_LEN) {
siz = length;
} else {
siz = DBG_PBUF_LEN;
}
memcpy(_dbg_pbuf, data, siz);
_dbg_pbuf[siz] = 0;
nrfx_uarte_tx(&_dbg_uart_inst, (uint8_t const *)_dbg_pbuf, siz);
data += siz;
length -= siz;
}
}
void _debug_uart_deinit(void) {
nrfx_uarte_uninit(&_dbg_uart_inst);
}
int dbg_printf(const char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
int ret = vprintf(fmt, ap);
va_end(ap);
return ret;
}
void dbg_dump_RTCreg(void) {
dbg_printf("\r\nRTC2\r\n");
NRF_RTC_Type *r = rtc_instance.p_reg;
dbg_printf("PRESCALER=%08X, ", (int)r->PRESCALER);
dbg_printf("COUNTER=%08X ", (int)r->COUNTER);
dbg_printf("INTENSET=%08X ", (int)r->INTENSET);
dbg_printf("EVTENSET=%08X\r\n", (int)r->EVTENSET);
dbg_printf("EVENTS_COMPARE[0..3]=%X,%X,%X,%X ", (int)r->EVENTS_COMPARE[0], (int)r->EVENTS_COMPARE[1], (int)r->EVENTS_COMPARE[2], (int)r->EVENTS_COMPARE[3]);
dbg_printf("CC[0..3]=%08X,%08X,%08X,%08X\r\n", (int)r->CC[0], (int)r->CC[1], (int)r->CC[2], (int)r->CC[3]);
}
int dbg_check_RTCprescaler(void) {
NRF_RTC_Type *r = rtc_instance.p_reg;
if ((int)r->PRESCALER == 0) {
dbg_printf("****** PRESCALER == 0\r\n");
return -1;
}
return 0;
}
void dbg_dump_RAMreg(void) {
int i;
for (i = 0; i <= 8; ++i) {
dbg_printf(" RAM%d:%08X", i, (int)(NRF_POWER->RAM[i].POWER));
if (i == 4) {
dbg_printf("\r\n");
}
}
dbg_printf("\r\n");
}
void dbg_dump_GPIOregs(void) {
int i, port, col;
NRF_GPIO_Type *gpio[] = { NRF_P0, NRF_P1 };
const char cnf_pull_chr[] = "-D*U"; // pull down, pull up
const char cnf_sense_chr[] = "-?HL"; // sense high, sense low
for (port = 0, col = 0; port <= 1; ++port) {
for (i = 0; i < 32; ++i) {
uint32_t cnf = gpio[port]->PIN_CNF[i];
if (cnf != 0x0002) { // changed from default value
dbg_printf("[%d_%02d]:%c%c%c%d%c ", port, i,
(cnf & 1) ? 'O' : 'I', // output, input
(cnf & 2) ? 'd' : 'c', // disconnected, connected
cnf_pull_chr[(cnf >> 2) & 3],
(int)((cnf >> 8) & 7), // drive config 0-7
cnf_sense_chr[(cnf >> 16) & 3]);
if (++col >= 6) {
dbg_printf("\r\n");
col = 0;
}
}
}
}
if (col > 0) {
dbg_printf("\r\n");
}
dbg_printf("GPIOTE\r\n");
NRF_GPIOTE_Type const *reg = NRF_GPIOTE;
const char config_mode_chr[] = "-E-T"; // event, task
const char config_pol_chr[] = "-HLT"; // low-to-Hi, hi-to-Low, Toggle
const char config_outinit_chr[] = "01"; // initial value is 0 or 1
for (i = 0, col = 0; i < 8; ++i) {
uint32_t conf = reg->CONFIG[i];
if (conf != 0) { // changed from default value
dbg_printf("CONFIG[%d]:%d_%02d,%c%c%c ", i,
(int)((conf >> 13) & 1), (int)((conf >> 8) & 0x1F),
config_mode_chr[conf & 3],
config_pol_chr[(conf >> 16) & 3],
(conf & 3) == 3 ?
config_outinit_chr[(conf >> 20) & 1] : '-');
if (++col >= 4) {
dbg_printf("\r\n");
col = 0;
}
}
}
if (col > 0) {
dbg_printf("\r\n");
}
for (i = 0; i < 8; ++i) {
dbg_printf("EVENTS_IN[%d]:%X ", i, (int)(reg->EVENTS_IN[i]));
if ((i & 3) == 3) {
dbg_printf("\r\n");
}
}
dbg_printf("EVENTS_PORT:%X INTENSET:%08X\r\n",
(int)(reg->EVENTS_PORT), (int)(reg->INTENSET));
}
void dbg_dumpQSPIreg(void) {
uint32_t r;
dbg_printf("QSPI\r\n");
r = NRF_QSPI->IFCONFIG0;
dbg_printf("IFCONFIG0 READ=%ld write=%ld ADDR=%ld DPM=%ld PPSIZE=%ld\r\n",
r & 7, (r >> 3) & 7, (r >> 6) & 1, (r >> 7) & 1, (r >> 12) & 1);
r = NRF_QSPI->IFCONFIG1;
dbg_printf("IFCONFIG1 SCKDELAY=%ld SPIMODE=%ld SCKFREQ=%ld\r\n",
r & 0xFF, (r >> 25) & 1, (r >> 28) & 0xF);
r = NRF_QSPI->STATUS;
dbg_printf("STATUS DPM=%ld READY=%ld SREG=0x%02lX\r\n",
(r >> 2) & 1, (r >> 3) & 1, (r >> 24) & 0xFF);
r = NRF_QSPI->DPMDUR;
dbg_printf("DPMDUR ENTER=%ld EXIT=%ld\r\n", r & 0xFFFF, (r >> 16) & 0xFFFF);
}
void dbg_dump_reset_reason(void) {
int reset_reason = (int)common_hal_mcu_processor_get_reset_reason();
const char *rr_str[] = {
"POWER_ON", "BROWNOUT", "SOFTWARE", "DEEPSLEEPALARM",
"RESET_PIN", "WATCHDOG", "UNKNOWN"
};
dbg_printf("reset_reason=%s\r\n", rr_str[reset_reason]);
}
#else /*!NRF_DEBUG_PRINT*/
int dbg_printf(const char *fmt, ...) {
return 0;
}
#endif /*!NRF_DEBUG_PRINT*/