From: Nathael Pajani Date: Fri, 12 May 2017 23:08:46 +0000 (+0200) Subject: Adding Exanh weather sensors board example. X-Git-Url: http://git.techno-innov.fr/?a=commitdiff_plain;h=fcb3b9d38c91743f0af6d8225be290d0f9f2eeb6;p=soft%2Flpc122x%2Fexamples Adding Exanh weather sensors board example. --- diff --git a/test_sensor_env/Makefile b/test_sensor_env/Makefile new file mode 100644 index 0000000..41ae555 --- /dev/null +++ b/test_sensor_env/Makefile @@ -0,0 +1,21 @@ +# Makefile for apps + +MODULE = $(shell basename $(shell cd .. && pwd && cd -)) +NAME = $(shell basename $(CURDIR)) + +# Add this to your ~/.vimrc in order to get proper function of :make in vim : +# let $COMPILE_FROM_IDE = 1 +ifeq ($(strip $(COMPILE_FROM_IDE)),) + PRINT_DIRECTORY = --no-print-directory +else + PRINT_DIRECTORY = + LANG = C +endif + +.PHONY: $(NAME).bin +$(NAME).bin: + @make -C ../../.. ${PRINT_DIRECTORY} NAME=$(NAME) MODULE=$(MODULE) apps/$(MODULE)/$(NAME)/$@ + +clean mrproper: + @make -C ../../.. ${PRINT_DIRECTORY} $@ + diff --git a/test_sensor_env/README b/test_sensor_env/README new file mode 100644 index 0000000..983c380 --- /dev/null +++ b/test_sensor_env/README @@ -0,0 +1,23 @@ +Exanh Weather sensors board test + +Copyright 2017 Nathael Pajani + + +/* **************************************************************************** + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + *************************************************************************** */ + +This is a test application used to test the assembly of the weather sensors +boards for the Exanh project diff --git a/test_sensor_env/main.c b/test_sensor_env/main.c new file mode 100644 index 0000000..e45c5e0 --- /dev/null +++ b/test_sensor_env/main.c @@ -0,0 +1,246 @@ +/**************************************************************************** + * apps/base/test_sensor_env/main.c + * + * E-Xanh Gardener Weather sensors tests using GPIO Demo module + * + * Copyright 2016 Nathael Pajani + * + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + * + *************************************************************************** */ + +#include "core/system.h" +#include "core/systick.h" +#include "core/pio.h" +#include "lib/stdio.h" +#include "drivers/serial.h" +#include "drivers/gpio.h" +#include "drivers/i2c.h" +#include "extdrv/status_led.h" +#include "extdrv/bme280_humidity_sensor.h" +#include "extdrv/veml6070_uv_sensor.h" +#include "extdrv/tsl256x_light_sensor.h" + + +#define MODULE_VERSION 0x04 +#define MODULE_NAME "GPIO Demo" + + +#define SELECTED_FREQ FREQ_SEL_48MHz + +/***************************************************************************** */ +/* Pins configuration */ +/* pins blocks are passed to set_pins() for pins configuration. + * Unused pin blocks can be removed safely with the corresponding set_pins() call + * All pins blocks may be safelly merged in a single block for single set_pins() call.. + */ +const struct pio_config common_pins[] = { + /* UART 0 */ + { LPC_UART0_RX_PIO_0_1, LPC_IO_DIGITAL }, + { LPC_UART0_TX_PIO_0_2, LPC_IO_DIGITAL }, + /* I2C 0 */ + { LPC_I2C0_SCL_PIO_0_10, (LPC_IO_DIGITAL | LPC_IO_OPEN_DRAIN_ENABLE) }, + { LPC_I2C0_SDA_PIO_0_11, (LPC_IO_DIGITAL | LPC_IO_OPEN_DRAIN_ENABLE) }, + ARRAY_LAST_PIO, +}; + +const struct pio status_led_green = LPC_GPIO_1_4; +const struct pio status_led_red = LPC_GPIO_1_5; + + +/***************************************************************************** */ +/* Luminosity */ + +/* Note : These are 8bits address */ +#define TSL256x_ADDR 0x52 /* Pin Addr Sel (pin2 of tsl256x) connected to GND */ +struct tsl256x_sensor_config tsl256x_sensor = { + .bus_num = I2C0, + .addr = TSL256x_ADDR, + .gain = TSL256x_LOW_GAIN, + .integration_time = TSL256x_INTEGRATION_100ms, + .package = TSL256x_PACKAGE_T, +}; + +void lux_config(int uart_num) +{ + int ret = 0; + ret = tsl256x_configure(&tsl256x_sensor); + if (ret != 0) { + uprintf(uart_num, "Lux config error: %d\n", ret); + } +} + +void lux_display(int uart_num) +{ + uint16_t comb = 0, ir = 0; + uint32_t lux = 0; + int ret = 0; + + ret = tsl256x_sensor_read(&tsl256x_sensor, &comb, &ir, &lux); + if (ret != 0) { + uprintf(uart_num, "Lux read error: %d\n", ret); + } else { + uprintf(uart_num, "Lux: %d (Comb: 0x%04x, IR: 0x%04x)\n", lux, comb, ir); + } +} + + + +/***************************************************************************** */ +/* BME280 Sensor */ + +/* Note : 8bits address */ +#define BME280_ADDR 0xEC +struct bme280_sensor_config bme280_sensor = { + .bus_num = I2C0, + .addr = BME280_ADDR, + .humidity_oversampling = BME280_OS_x16, + .temp_oversampling = BME280_OS_x16, + .pressure_oversampling = BME280_OS_x16, + .mode = BME280_NORMAL, + .standby_len = BME280_SB_62ms, + .filter_coeff = BME280_FILT_OFF, +}; + +void bme_config(int uart_num) +{ + int ret = 0; + + ret = bme280_configure(&bme280_sensor); + if (ret != 0) { + uprintf(uart_num, "Sensor config error: %d\n", ret); + } +} + +void bme_display(int uart_num) +{ + uint32_t pressure = 0, temp = 0; + uint16_t humidity = 0; + int ret = 0; + + ret = bme280_sensor_read(&bme280_sensor, &pressure, &temp, &humidity); + if (ret != 0) { + uprintf(uart_num, "Sensor read error: %d\n", ret); + } else { + int comp_temp = 0; + uint32_t comp_pressure = 0; + uint32_t comp_humidity = 0; + + comp_temp = bme280_compensate_temperature(&bme280_sensor, temp) / 10; + comp_pressure = bme280_compensate_pressure(&bme280_sensor, pressure) / 100; + comp_humidity = bme280_compensate_humidity(&bme280_sensor, humidity) / 10; + uprintf(uart_num, "P: %d hPa, T: %d,%02d degC, H: %d,%d rH\n", + comp_pressure, + comp_temp / 10, (comp_temp > 0) ? (comp_temp % 10) : ((-comp_temp) % 10), + comp_humidity / 10, comp_humidity % 10); + ws2812_set_pixel(0, comp_humidity / 10, 0,0); + ws2812_set_pixel(1, 0, 0, comp_humidity % 10); + ws2812_send_frame(0); + } +} + +/***************************************************************************** */ +/* UV */ + +/* The I2C UV light sensor is at addresses 0x70, 0x71 and 0x73 */ +/* Note : These are 8bits address */ +#define VEML6070_ADDR 0x70 +struct veml6070_sensor_config veml6070_sensor = { + .bus_num = I2C0, + .addr = VEML6070_ADDR, +}; + +void uv_config(int uart_num) +{ + int ret = 0; + + /* UV sensor */ + ret = veml6070_configure(&veml6070_sensor); + if (ret != 0) { + uprintf(uart_num, "UV config error: %d\n", ret); + } +} + +void uv_display(int uart_num) +{ + uint16_t uv_raw = 0; + int ret = 0; + + ret = veml6070_sensor_read(&veml6070_sensor, &uv_raw); + if (ret != 0) { + uprintf(uart_num, "UV read error: %d\n", ret); + } else { + uprintf(uart_num, "UV: 0x%04x\n", uv_raw); + } +} + + + + +/***************************************************************************** */ +void system_init() +{ + /* Stop the watchdog */ + startup_watchdog_disable(); /* Do it right now, before it gets a chance to break in */ + system_set_default_power_state(); + system_brown_out_detection_config(0); /* No ADC used */ + clock_config(SELECTED_FREQ); + set_pins(common_pins); + gpio_on(); + status_led_config(&status_led_green, &status_led_red); + /* System tick timer MUST be configured and running in order to use the sleeping + * functions */ + systick_timer_on(1); /* 1ms */ + systick_start(); +} + +/* Define our fault handler. This one is not mandatory, the dummy fault handler + * will be used when it's not overridden here. + * Note : The default one does a simple infinite loop. If the watchdog is deactivated + * the system will hang. + */ +void fault_info(const char* name, uint32_t len) +{ + uprintf(UART0, name); + while (1); +} + + +/***************************************************************************** */ +int main(void) +{ + system_init(); + uart_on(UART0, 115200, NULL); + i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER); + + /* Configure environnement sensors */ + bme_config(UART0); + uv_config(UART0); + lux_config(UART0); + + /* */ + ws2812_config(&ws2812_data_out_pin); + + while (1) { + bme_display(UART0); + uv_display(UART0); + lux_display(UART0); + msleep(600); + } + return 0; +} + + +