From 54f295f65cf0c4358874c71b9d3d18bae8a96b2d Mon Sep 17 00:00:00 2001 From: Nathael Pajani Date: Wed, 14 Sep 2016 01:25:07 +0200 Subject: [PATCH] Test application for UV, IR, Light and Temperature sensors --- sensors/Makefile | 12 +++ sensors/README | 27 +++++++ sensors/main.c | 205 +++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 244 insertions(+) create mode 100644 sensors/Makefile create mode 100644 sensors/README create mode 100644 sensors/main.c diff --git a/sensors/Makefile b/sensors/Makefile new file mode 100644 index 0000000..a944f0f --- /dev/null +++ b/sensors/Makefile @@ -0,0 +1,12 @@ +# Makefile for exanh apps + +MODULE = $(shell basename $(shell cd .. && pwd && cd -)) +NAME = $(shell basename $(CURDIR)) + +.PHONY: $(NAME).bin +$(NAME).bin: + @make -C ../../.. --no-print-directory NAME=$(NAME) MODULE=$(MODULE) apps/$(MODULE)/$(NAME)/$@ + +clean mrproper: + @make -C ../../.. --no-print-directory $@ + diff --git a/sensors/README b/sensors/README new file mode 100644 index 0000000..bda13c0 --- /dev/null +++ b/sensors/README @@ -0,0 +1,27 @@ +Test of all three sensors found on exanh sensor board in version 0.1 : + - TMP101 I2C temperature sensor + - TSL256x I2C luminosity and IR sensor + - VEML6070 I2C UV sensor + +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 . + * + *************************************************************************** */ + + +Periodic conversions are sent on UART0 using the following frame format : + diff --git a/sensors/main.c b/sensors/main.c new file mode 100644 index 0000000..36a3dc7 --- /dev/null +++ b/sensors/main.c @@ -0,0 +1,205 @@ +/**************************************************************************** + * sensors/main.c + * + * TMP101, TSL2661 and VEML6070 I2C sensors example + * + * 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 "lib/stdint.h" +#include "core/system.h" +#include "core/systick.h" +#include "core/watchdog.h" +#include "core/pio.h" +#include "lib/stdio.h" +#include "drivers/i2c.h" +#include "drivers/serial.h" +#include "drivers/gpio.h" + +#include "extdrv/tmp101_temp_sensor.h" +#include "extdrv/tsl256x_light_sensor.h" +#include "extdrv/veml6070_uv_sensor.h" + + +#define MODULE_VERSION 0x01 +#define MODULE_NAME "E-Xanh Gardener" + +#define SELECTED_FREQ FREQ_SEL_36MHz + + + +/***************************************************************************** */ +/* 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_GPIO_0_0, LPC_UART0_RX, 0 }, + { LPC_GPIO_0_4, LPC_UART0_TX, 0 }, + /* I2C 0 */ + { LPC_I2C0_SCL_PIO_0_10, LPC_FIXED, 0 }, + { LPC_I2C0_SDA_PIO_0_11, LPC_FIXED, 0 }, + ARRAY_LAST_PIO, +}; + + + +/***************************************************************************** */ +/* 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, +}; + + + + +/***************************************************************************** */ +/* 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, +}; + + + +/***************************************************************************** */ +/* Temperature */ + +#define TMP101_ADDR 0x94 /* Pin Addr0 (pin5 of tmp101) connected to VCC */ +struct tmp101_sensor_config tmp101_sensor = { + .bus_num = I2C0, + .addr = TMP101_ADDR, + .resolution = TMP_RES_ELEVEN_BITS, +}; + + + + +/***************************************************************************** */ +void system_init() +{ + system_set_default_power_state(); + clock_config(SELECTED_FREQ); + set_pins(common_pins); + gpio_on(); + /* 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) +{ + uint16_t uv = 0, ir = 0; + uint32_t lux = 0; + int deci_degrees = 0; + int ret = 0; + + system_init(); + uart_on(UART0, 115200, NULL); + + while (1) { + i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER); + + msleep(10); + + /* Configure temp sensor */ + ret = tmp101_sensor_config(&tmp101_sensor); + if (ret != 0) { + uprintf(UART0, "Temp config error: %d\n", ret); + } + msleep(10); + /* Configure lux sensor */ + ret = tsl256x_configure(&tsl256x_sensor); + if (ret != 0) { + uprintf(UART0, "Lux config error: %d\n", ret); + } + msleep(10); + + /* Configure uv sensor */ + ret = veml6070_configure(&veml6070_sensor); + if (ret != 0) { + uprintf(UART0, "UV config error: %d\n", ret); + } + msleep(10); + + while (1) { + ret = tmp101_sensor_start_conversion(&tmp101_sensor); + if (ret != 0) { + uprintf(UART0, "Temp start conversion error: %d\n", ret); + break; + } + msleep(460); /* Wait for the end of the conversion : 40ms min */ + ret = tmp101_sensor_read(&tmp101_sensor, NULL, &deci_degrees); + if (ret != 0) { + uprintf(UART0, "Temp read error: %d\n", ret); + break; + } + msleep(10); + ret = tsl256x_sensor_read(&tsl256x_sensor, NULL, &ir, &lux); + if (ret != 0) { + uprintf(UART0, "Lux read error: %d\n", ret); + break; + } + msleep(10); + ret = veml6070_sensor_read(&veml6070_sensor, &uv); + if (ret != 0) { + uprintf(UART0, "UV read error: %d\n", ret); + break; + } + + /* Display all */ + uprintf(UART0, "Lux: %d, IR: %d, UV: %d, Temp: %d,%d\n", lux, ir, uv, + (deci_degrees/10), (deci_degrees%10)); + } + + i2c_off(I2C0); + msleep(500); + } + + return 0; +} + -- 2.43.0