--- /dev/null
+VCNL4040 I2C Light / Distance sensor example
+
+Copyright 2016 Nathael Pajani <nathael.pajani@ed3l.fr>
+
+
+/* ****************************************************************************
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ *************************************************************************** */
+
+This example shows the support of the VCNL6070 I2C Light / Distancesensor.
+
+Periodic conversions are sent on UART0 using the following frame format :
+Dist: 180, AmbL: 26, White: 308
+
+Note that for proximity sensor, values are not proportional to distance, and
+lower values mean further objet.
+
--- /dev/null
+/****************************************************************************
+ * i2c_vcnl4040/main.c
+ *
+ * VCNL4040 I2C Light / Distance sensor example
+ *
+ * Copyright 2016 Nathael Pajani <nathael.pajani@ed3l.fr>
+ *
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ *************************************************************************** */
+
+
+#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 "lib/errno.h"
+#include "drivers/i2c.h"
+#include "drivers/serial.h"
+#include "drivers/gpio.h"
+
+#include "extdrv/vcnl4040_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,
+};
+
+
+
+
+/***************************************************************************** */
+/* Sensor */
+
+/* Note : These are 8bits address */
+#define VCNL4040_ADDR 0xC0
+struct vcnl4040_sensor_config vcnl4040_sensor = {
+ .bus_num = I2C0,
+ .addr = VCNL4040_ADDR,
+ /* Sensors config */
+ .als_integration = VCNL4040_ALS_INTEGR_80ms,
+ .ps_irled_duty = VCNL4040_PS_DUTY_1_320,
+ .ps_integration = VCNL4040_PS_INTEGR_8_0T,
+ .ps_definition = VCNL4040_PS_HD_16bits,
+ .ps_int_type = VCNL4040_PS_INT_DISABLE,
+ .ps_ms_led_current = VCNL4040_ILED_200mA,
+};
+
+void sensor_config(int uart_num)
+{
+ int ret = 0;
+
+ ret = vcnl4040_configure(&vcnl4040_sensor);
+ if (ret != 0) {
+ uprintf(uart_num, "Sensor config error: %d\n", ret);
+ }
+}
+
+void sensor_display(int uart_num)
+{
+ uint16_t prox = 0, amb = 0, white = 0;
+ int ret = 0;
+
+ ret = vcnl4040_sensor_read(&vcnl4040_sensor, &prox, &amb, &white);
+ if (ret != 0) {
+ uprintf(uart_num, "Sensor read error: %d\n", ret);
+ } else {
+ uprintf(uart_num, "Dist: %d, AmbL: %d, White: %d\n", prox, amb / 10, white);
+ }
+}
+
+
+/***************************************************************************** */
+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)
+{
+ system_init();
+ uart_on(UART0, 115200, NULL);
+
+
+ i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER);
+
+ /* Configure sensor */
+ sensor_config(UART0);
+
+ while (1) {
+ /* VCNL4040 sensor */
+ msleep(200);
+ sensor_display(UART0);
+ }
+ return 0;
+}
+
