1 /****************************************************************************
4 * TMP101, TSL2661 and VEML6070 I2C sensors example
6 * Copyright 2016 Nathael Pajani <nathael.pajani@ed3l.fr>
9 * This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation, either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 *************************************************************************** */
25 #include "lib/stdint.h"
26 #include "core/system.h"
27 #include "core/systick.h"
28 #include "core/watchdog.h"
30 #include "lib/stdio.h"
31 #include "drivers/i2c.h"
32 #include "drivers/serial.h"
33 #include "drivers/gpio.h"
35 #include "extdrv/tmp101_temp_sensor.h"
36 #include "extdrv/tsl256x_light_sensor.h"
37 #include "extdrv/veml6070_uv_sensor.h"
38 #include "extdrv/bme280_humidity_sensor.h"
41 #define MODULE_VERSION 0x01
42 #define MODULE_NAME "E-Xanh Gardener"
44 #define SELECTED_FREQ FREQ_SEL_36MHz
48 /***************************************************************************** */
49 /* Pins configuration */
50 /* Pins blocks are passed to set_pins() for pins configuration.
51 * Unused pin blocks can be removed safely with the corresponding set_pins() call
52 * All pins blocks may be safelly merged in a single block for single set_pins() call..
54 const struct pio_config common_pins[] = {
56 { LPC_GPIO_0_0, LPC_UART0_RX, 0 },
57 { LPC_GPIO_0_4, LPC_UART0_TX, 0 },
59 { LPC_I2C0_SCL_PIO_0_10, LPC_FIXED, 0 },
60 { LPC_I2C0_SDA_PIO_0_11, LPC_FIXED, 0 },
67 /***************************************************************************** */
70 /* Note : 8bits address */
71 #define BME280_ADDR 0xEC
72 struct bme280_sensor_config bme280_sensor = {
75 .humidity_oversampling = BME280_OS_x16,
76 .temp_oversampling = BME280_OS_x16,
77 .pressure_oversampling = BME280_OS_x16,
78 .mode = BME280_NORMAL,
79 .standby_len = BME280_SB_62ms,
80 .filter_coeff = BME280_FILT_OFF,
85 /***************************************************************************** */
88 /* Note : These are 8bits address */
89 #define TSL256x_ADDR 0x52 /* Pin Addr Sel (pin2 of tsl256x) connected to GND */
90 struct tsl256x_sensor_config tsl256x_sensor = {
93 .gain = TSL256x_LOW_GAIN,
94 .integration_time = TSL256x_INTEGRATION_100ms,
95 .package = TSL256x_PACKAGE_T,
101 /***************************************************************************** */
104 /* The I2C UV light sensor is at addresses 0x70, 0x71 and 0x73 */
105 /* Note : These are 8bits address */
106 #define VEML6070_ADDR 0x70
107 struct veml6070_sensor_config veml6070_sensor = {
109 .addr = VEML6070_ADDR,
114 /***************************************************************************** */
117 #define TMP101_ADDR 0x94 /* Pin Addr0 (pin5 of tmp101) connected to VCC */
118 struct tmp101_sensor_config tmp101_sensor = {
121 .resolution = TMP_RES_ELEVEN_BITS,
127 /***************************************************************************** */
130 system_set_default_power_state();
131 clock_config(SELECTED_FREQ);
132 set_pins(common_pins);
134 /* System tick timer MUST be configured and running in order to use the sleeping
136 systick_timer_on(1); /* 1ms */
140 /* Define our fault handler. This one is not mandatory, the dummy fault handler
141 * will be used when it's not overridden here.
142 * Note : The default one does a simple infinite loop. If the watchdog is deactivated
143 * the system will hang.
145 void fault_info(const char* name, uint32_t len)
147 uprintf(UART0, name);
153 /***************************************************************************** */
156 /* TSL2561 and VEML6070 */
157 uint16_t uv = 0, ir = 0;
160 int deci_degrees = 0;
162 uint32_t pressure = 0, temp = 0;
163 uint16_t humidity = 0;
169 uart_on(UART0, 115200, NULL);
172 i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER);
176 /* Configure temp sensor */
177 ret = tmp101_sensor_config(&tmp101_sensor);
179 uprintf(UART0, "Temp config error: %d\n", ret);
183 /* Configure lux sensor */
184 ret = tsl256x_configure(&tsl256x_sensor);
186 uprintf(UART0, "Lux config error: %d\n", ret);
190 /* Configure uv sensor */
191 ret = veml6070_configure(&veml6070_sensor);
193 uprintf(UART0, "UV config error: %d\n", ret);
197 /* Configure barometric + humidity + temp sensor */
198 ret = bme280_configure(&bme280_sensor);
200 uprintf(UART0, "Humidity config error: %d\n", ret);
206 ret = tmp101_sensor_start_conversion(&tmp101_sensor);
208 uprintf(UART0, "Temp start conversion error: %d\n", ret);
211 msleep(60); /* Wait for the end of the conversion : 40ms min */
212 ret = tmp101_sensor_read(&tmp101_sensor, NULL, &deci_degrees);
214 uprintf(UART0, "Temp read error: %d\n", ret);
218 ret = tsl256x_sensor_read(&tsl256x_sensor, NULL, &ir, &lux);
220 uprintf(UART0, "Lux read error: %d\n", ret);
224 ret = veml6070_sensor_read(&veml6070_sensor, &uv);
226 uprintf(UART0, "UV read error: %d\n", ret);
231 ret = bme280_sensor_read(&bme280_sensor, &pressure, &temp, &humidity);
233 uprintf(UART0, "Humidity read error: %d\n", ret);
237 comp_temp = bme280_compensate_temperature(&bme280_sensor, temp) / 10;
238 pressure = bme280_compensate_pressure(&bme280_sensor, pressure) / 100;
239 humidity = bme280_compensate_humidity(&bme280_sensor, humidity) / 10;
242 uprintf(UART0, "Lux: %d, IR: %d, UV: %d, Temp: %d,%d degC\n", lux, ir, uv,
243 (deci_degrees/10), (deci_degrees%10));
244 uprintf(UART0, "Patm: %d hPa, Temp: %d,%02d degC, Humidity: %d,%d rH\n\n",
246 comp_temp / 10, (comp_temp > 0) ? (comp_temp % 10) : ((-comp_temp) % 10),
247 humidity / 10, humidity % 10);
249 msleep(400); /* Add some delay */