Merge pull request #1 from ajbaabf/nrf5_no_sdk

added support for hardware temperature sensor

nrf5/Makefile

@@ -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 \

nrf5/boards/pca10000/mpconfigboard.h

@@ -32,6 +32,7 @@
 
 #define MICROPY_PY_MACHINE_HW_SPI   (0)
 #define MICROPY_PY_MACHINE_PWM      (0)
+#define MICROPY_PY_MACHINE_TEMP     (1)
 
 #define MICROPY_HW_HAS_SWITCH       (0)
 #define MICROPY_HW_HAS_FLASH        (0)

nrf5/boards/pca10000/nrf51_hal_conf.h

@@ -3,5 +3,6 @@
 
 #define HAL_UART_MODULE_ENABLED
 #define HAL_TIME_MODULE_ENABLED
+#define HAL_TEMP_MODULE_ENABLED
 
 #endif // NRF51_HAL_CONF_H__

nrf5/boards/pca10001/mpconfigboard.h

@@ -32,6 +32,7 @@
 
 #define MICROPY_PY_MACHINE_HW_SPI   (0)
 #define MICROPY_PY_MACHINE_PWM      (0)
+#define MICROPY_PY_MACHINE_TEMP     (1)
 
 #define MICROPY_HW_HAS_SWITCH       (0)
 #define MICROPY_HW_HAS_FLASH        (0)
@@ -46,6 +47,7 @@
 #define MICROPY_HW_ENABLE_DAC       (0)
 #define MICROPY_HW_ENABLE_CAN       (0)
 
+
 #define MICROPY_HW_LED_COUNT        (2)
 #define MICROPY_HW_LED_PULLUP       (0)
 
@@ -57,6 +59,6 @@
 #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)
 
 #define HELP_TEXT_BOARD_LED         "1,2"

nrf5/boards/pca10001/nrf51_hal_conf.h

@@ -4,5 +4,10 @@
 #define HAL_UART_MODULE_ENABLED
 // #define HAL_SPI_MODULE_ENABLED
 #define HAL_TIME_MODULE_ENABLED
+#define HAL_RTC_MODULE_ENABLED
+#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__

nrf5/boards/pca10028/mpconfigboard.h

@@ -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)

nrf5/boards/pca10028/nrf51_hal_conf.h

@@ -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__

nrf5/boards/pca10031/mpconfigboard.h

@@ -31,6 +31,7 @@
 #define MICROPY_PY_SYS_PLATFORM     "nrf51-dongle"
 
 #define MICROPY_PY_MACHINE_PWM      (0)
+#define MICROPY_PY_MACHINE_TEMP     (1)
 
 #define MICROPY_HW_HAS_SWITCH       (0)
 #define MICROPY_HW_HAS_FLASH        (0)

nrf5/boards/pca10031/nrf51_hal_conf.h

@@ -4,5 +4,6 @@
 #define HAL_UART_MODULE_ENABLED
 #define HAL_SPI_MODULE_ENABLED
 #define HAL_TIME_MODULE_ENABLED
+#define HAL_TEMP_MODULE_ENABLED
 
 #endif // NRF51_HAL_CONF_H__

nrf5/boards/pca10040/mpconfigboard.h

@@ -36,6 +36,7 @@
 #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_DISPLAY                  (1)
 #define MICROPY_PY_DISPLAY_EPAPER_SLD00200P (1)

nrf5/boards/pca10040/nrf52_hal_conf.h

@@ -9,6 +9,7 @@
 #define HAL_TIMER_MODULE_ENABLED
 #define HAL_TWI_MODULE_ENABLED
 #define HAL_ADCE_MODULE_ENABLED
+#define HAL_TEMP_MODULE_ENABLED
 // #define HAL_UARTE_MODULE_ENABLED
 // #define HAL_SPIE_MODULE_ENABLED
 // #define HAL_TWIE_MODULE_ENABLED

nrf5/boards/pca10056/mpconfigboard.h

@@ -34,6 +34,7 @@
 #define MICROPY_PY_MACHINE_HW_SPI   (1)
 #define MICROPY_PY_MACHINE_I2C      (1)
 #define MICROPY_PY_MACHINE_ADC      (1)
+#define MICROPY_PY_MACHINE_TEMP     (1)
 
 #define MICROPY_PY_DISPLAY                  (1)
 #define MICROPY_PY_DISPLAY_EPAPER_SLD00200P (1)

nrf5/boards/pca10056/nrf52_hal_conf.h

@@ -9,6 +9,7 @@
 #define HAL_TIMER_MODULE_ENABLED
 #define HAL_TWI_MODULE_ENABLED
 #define HAL_ADCE_MODULE_ENABLED
+#define HAL_TEMP_MODULE_ENABLED
 // #define HAL_UARTE_MODULE_ENABLED
 // #define HAL_SPIE_MODULE_ENABLED
 // #define HAL_TWIE_MODULE_ENABLED

nrf5/hal/hal_temp.c

@@ -0,0 +1,58 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Bander F. Ajba
+ *
+ * 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
+
+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;
+}
+
+int32_t hal_temp_read(void) {   
+    int32_t volatile temp; 
+    hal_temp_init();
+
+    NRF_TEMP->TASKS_START = 1; // Start the temperature measurement.
+
+    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 = (((NRF_TEMP->TEMP & MASK_SIGN) != 0) ? (NRF_TEMP->TEMP | MASK_SIGN_EXTENSION) : (NRF_TEMP->TEMP) / 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 temp;
+}
+
+#endif // HAL_TEMP_MODULE_ENABLED

nrf5/hal/hal_temp.h

@@ -0,0 +1,39 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Bander F. Ajba
+ *
+ * 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 HAL_TEMP_H__
+#define HAL_TEMP_H__
+
+#include "nrf.h"
+
+#define MASK_SIGN           (0x00000200UL)
+#define MASK_SIGN_EXTENSION (0xFFFFFC00UL)
+
+void hal_temp_init(void);
+
+int32_t hal_temp_read(void);
+
+#endif

nrf5/modules/machine/modmachine.c

@@ -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) },

nrf5/modules/machine/temp.c

@@ -0,0 +1,96 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Bander F. Ajba
+ *
+ * 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;
+} machine_temp_obj_t;
+
+/// \method __str__()
+/// Return a string describing the Temp 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);
+
+    machine_temp_obj_t *self = m_new_obj(machine_temp_obj_t);
+
+    self->base.type = &machine_temp_type;
+
+    return MP_OBJ_FROM_PTR(self);
+}
+
+/// \method read()
+/// Get temperature.
+STATIC mp_obj_t machine_temp_read(mp_uint_t n_args, const mp_obj_t *args) {
+
+    return MP_OBJ_NEW_SMALL_INT(hal_temp_read());
+}
+
+STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(mp_machine_temp_read_obj, 0, 1, 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

nrf5/modules/machine/temp.h

@@ -0,0 +1,34 @@
+/*
+ * This file is part of the Micro Python project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 Bander F. Ajba
+ *
+ * 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__
+
+extern const mp_obj_type_t machine_temp_type;
+
+int32_t temp_read(void);
+
+#endif // TEMP_H__