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added support for hardware temperature sensor

This commit is contained in:
Bander Ajba 2017-02-24 00:38:08 +03:00
parent 6b898d1d67
commit 3882b0e2ff
9 changed files with 280 additions and 2 deletions
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2
nrf5/Makefile
View File

@ -119,6 +119,7 @@ SRC_HAL = $(addprefix hal/,\
hal_twi.c \
hal_adc.c \
hal_adce.c \
hal_temp.c \
)
ifeq ($(MCU_VARIANT), nrf52)
@ -161,6 +162,7 @@ DRIVERS_SRC_C += $(addprefix modules/,\
machine/rtc.c \
machine/pwm.c \
machine/led.c \
machine/temp.c \
usocket/modusocket.c \
network/modnetwork.c \
uos/moduos.c \

2
nrf5/boards/nrf51822_ac_s110.ld
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@ -9,7 +9,7 @@ MEMORY
FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 0x040000 /* entire flash, 256 KiB */
FLASH_ISR (rx) : ORIGIN = 0x00018000, LENGTH = 0x000400 /* sector 0, 1 KiB */
FLASH_TEXT (rx) : ORIGIN = 0x00018400, LENGTH = 0x027c00 /* 159 KiB */
RAM (xrw) : ORIGIN = 0x20002000, LENGTH = 0x006000 /* 24 KiB */
RAM (xrw) : ORIGIN = 0x20001800, LENGTH = 0x002800 /* 12 KiB */
}
/* produce a link error if there is not this amount of RAM for these sections */

3
nrf5/boards/pca10028/mpconfigboard.h
View File

@ -43,6 +43,7 @@
#define MICROPY_PY_MACHINE_RTC (1)
#define MICROPY_PY_MACHINE_I2C (1)
#define MICROPY_PY_MACHINE_ADC (1)
#define MICROPY_PY_MACHINE_TEMP (1)
#define MICROPY_PY_USOCKET (0)
#define MICROPY_PY_NETWORK (0)
@ -72,7 +73,7 @@
#define MICROPY_HW_UART1_TX (pin_A9)
#define MICROPY_HW_UART1_CTS (pin_A10)
#define MICROPY_HW_UART1_RTS (pin_A8)
#define MICROPY_HW_UART1_HWFC (1)
#define MICROPY_HW_UART1_HWFC (0)
// SPI0 config
#define MICROPY_HW_SPI0_NAME "SPI0"

1
nrf5/boards/pca10028/nrf51_hal_conf.h
View File

@ -8,5 +8,6 @@
#define HAL_TIMER_MODULE_ENABLED
#define HAL_TWI_MODULE_ENABLED
#define HAL_ADC_MODULE_ENABLED
#define HAL_TEMP_MODULE_ENABLED
#endif // NRF51_HAL_CONF_H__

57
nrf5/hal/hal_temp.c Normal file
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@ -0,0 +1,57 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Glenn Ruben Bakke
*
* 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 "mphalport.h"
#include "hal_temp.h"
#ifdef HAL_TEMP_MODULE_ENABLED
/**
* @brief Function for preparing the temp module for temperature measurement.
*
* This function initializes the TEMP module and writes to the hidden configuration register.
*/
void hal_temp_init(void)
{
/**@note Workaround for PAN_028 rev2.0A anomaly 31 - TEMP: Temperature offset value has to be manually loaded to the TEMP module */
*(uint32_t *) 0x4000C504 = 0;
}
/**
* @brief Function for reading temperature measurement.
*
* The function reads the 10 bit 2's complement value and transforms it to a 32 bit 2's complement value.
*/
int32_t hal_temp_read(void)
{
hal_temp_init();
/**@note Workaround for PAN_028 rev2.0A anomaly 28 - TEMP: Negative measured values are not represented correctly */
return ((NRF_TEMP->TEMP & MASK_SIGN) != 0) ? (NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP);
}
/**@endcond */
#endif // HAL_ADC_MODULE_ENABLED

47
nrf5/hal/hal_temp.h Normal file
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@ -0,0 +1,47 @@
/* Copyright (c) 2012 Nordic Semiconductor. All Rights Reserved.
*
* The information contained herein is property of Nordic Semiconductor ASA.
* Terms and conditions of usage are described in detail in NORDIC
* SEMICONDUCTOR STANDARD SOFTWARE LICENSE AGREEMENT.
*
* Licensees are granted free, non-transferable use of the information. NO
* WARRANTY of ANY KIND is provided. This heading must NOT be removed from
* the file.
*
*/
#ifndef NRF_TEMP_H__
#define NRF_TEMP_H__
#include "nrf.h"
/**
* @defgroup nrf_temperature TEMP (temperature) abstraction
* @{
* @ingroup nrf_drivers temperature_example
* @brief Temperature module init and read functions.
*
*/
/**@cond NO_DOXYGEN */
#define MASK_SIGN (0x00000200UL)
#define MASK_SIGN_EXTENSION (0xFFFFFC00UL)
/**
* @brief Function for preparing the temp module for temperature measurement.
*
* This function initializes the TEMP module and writes to the hidden configuration register.
*/
void hal_temp_init(void);
/**
* @brief Function for reading temperature measurement.
*
* The function reads the 10 bit 2's complement value and transforms it to a 32 bit 2's complement value.
*/
int32_t hal_temp_read(void);
/**@endcond */
/** @} */
#endif

6
nrf5/modules/machine/modmachine.c
View File

@ -46,6 +46,9 @@
#if MICROPY_PY_MACHINE_ADC
#include "adc.h"
#endif
#if MICROPY_PY_MACHINE_TEMP
#include "temp.h"
#endif
#define PYB_RESET_HARD (0)
@ -180,6 +183,9 @@ STATIC const mp_map_elem_t machine_module_globals_table[] = {
#endif
#if MICROPY_PY_MACHINE_PWM
{ MP_OBJ_NEW_QSTR(MP_QSTR_PWM), (mp_obj_t)&machine_hard_pwm_type },
#endif
#if MICROPY_PY_MACHINE_TEMP
{ MP_OBJ_NEW_QSTR(MP_QSTR_TEMP), (mp_obj_t)&machine_temp_type },
#endif
{ MP_OBJ_NEW_QSTR(MP_QSTR_HARD_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_HARD) },
{ MP_OBJ_NEW_QSTR(MP_QSTR_WDT_RESET), MP_OBJ_NEW_SMALL_INT(PYB_RESET_WDT) },

121
nrf5/modules/machine/temp.c Normal file
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@ -0,0 +1,121 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Glenn Ruben Bakke
*
* 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 <string.h>
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/mphal.h"
#include "temp.h"
#include "hal_temp.h"
#if MICROPY_PY_MACHINE_TEMP
typedef struct _machine_temp_obj_t {
mp_obj_base_t base;
TEMP_HandleTypeDef *temp;
} machine_temp_obj_t;
TEMP_HandleTypeDef TEMPHandle0 = {.instance = NULL };
STATIC const machine_temp_obj_t machine_temp_obj = {
{&machine_temp_type}, &TEMPHandle0
};
/// \method __str__()
/// Return a string describing the ADC object.
STATIC void machine_temp_print(const mp_print_t *print, mp_obj_t o, mp_print_kind_t kind) {
machine_temp_obj_t *self = o;
(void)self;
mp_printf(print, "TEMP");
}
/******************************************************************************/
/* MicroPython bindings for machine API */
STATIC mp_obj_t machine_temp_make_new(const mp_obj_type_t *type, size_t n_args, size_t n_kw, const mp_obj_t *all_args) {
static const mp_arg_t allowed_args[] = {
{ },
};
// parse args
mp_arg_val_t args[MP_ARRAY_SIZE(allowed_args)];
mp_arg_parse_all_kw_array(n_args, n_kw, all_args, MP_ARRAY_SIZE(allowed_args), allowed_args, args);
memset(&TEMPHandle0, 0, sizeof(TEMP_HandleTypeDef));
TEMPHandle0.instance = TEMP_BASE;
const machine_temp_obj_t *self = &machine_temp_obj;
return MP_OBJ_FROM_PTR(self);
}
/// \method read()
/// Get temperature.
mp_obj_t machine_temp_read(void) {
int32_t volatile temp;
NRF_TEMP->TASKS_START = 1; /** Start the temperature measurement. */
/* Busy wait while temperature measurement is not finished, you can skip waiting if you enable interrupt for DATARDY event and read the result in the interrupt. */
/*lint -e{845} // A zero has been given as right argument to operator '|'" */
while (NRF_TEMP->EVENTS_DATARDY == 0)
{
// Do nothing.
}
NRF_TEMP->EVENTS_DATARDY = 0;
/**@note Workaround for PAN_028 rev2.0A anomaly 29 - TEMP: Stop task clears the TEMP register. */
temp = (hal_temp_read() / 4);
/**@note Workaround for PAN_028 rev2.0A anomaly 30 - TEMP: Temp module analog front end does not power down when DATARDY event occurs. */
NRF_TEMP->TASKS_STOP = 1; /** Stop the temperature measurement. */
return MP_OBJ_NEW_SMALL_INT(temp);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_0(mp_machine_temp_read_obj, machine_temp_read);
STATIC const mp_map_elem_t machine_temp_locals_dict_table[] = {
// instance methods
// class methods
{ MP_OBJ_NEW_QSTR(MP_QSTR_read), (mp_obj_t)&mp_machine_temp_read_obj },
};
STATIC MP_DEFINE_CONST_DICT(machine_temp_locals_dict, machine_temp_locals_dict_table);
const mp_obj_type_t machine_temp_type = {
{ &mp_type_type },
.name = MP_QSTR_TEMP,
.make_new = machine_temp_make_new,
.locals_dict = (mp_obj_t)&machine_temp_locals_dict,
.print = machine_temp_print,
};
#endif // MICROPY_PY_MACHINE_TEMP

43
nrf5/modules/machine/temp.h Normal file
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@ -0,0 +1,43 @@
/*
* This file is part of the Micro Python project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2017 Glenn Ruben Bakke
*
* 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.
*/
#ifndef TEMP_H__
#define TEMP_H__
#include "hal_temp.h"
extern const mp_obj_type_t machine_temp_type;
#define TEMP_BASE (NRF_TEMP_Type *)NRF_TEMP
typedef struct __TEMP_HandleTypeDef
{
NRF_TEMP_Type *instance; /* RTC registers base address */
} TEMP_HandleTypeDef;
int32_t temp_read(void);
#endif // TEMP_H__