--- /dev/null
+Example code for PCF85363 RTC support
+
+Copyright 2019 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 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 <http://www.gnu.org/licenses/>.
+ *
+ *************************************************************************** */
+
+This simple example reads the date found in the RTC, possibly updates it if older
+than the date stored in the "oldest" rtc_time structure (hard-coded in source code)
+and then periodically reads and displays the time on the first UART.
+
--- /dev/null
+/****************************************************************************
+ * apps/base/rtc_pcf85363/main.c
+ *
+ * Sample support of NXP PCF85363 RTC
+ *
+ * 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 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 <http://www.gnu.org/licenses/>.
+ *
+ *************************************************************************** */
+
+
+
+#include "core/system.h"
+#include "core/systick.h"
+#include "core/pio.h"
+#include "lib/stdio.h"
+#include "lib/errno.h"
+#include "drivers/serial.h"
+#include "drivers/gpio.h"
+#include "drivers/i2c.h"
+
+#include "extdrv/rtc_pcf85363a.h"
+#include "extdrv/status_led.h"
+
+#define MODULE_VERSION 0x04
+#define MODULE_NAME "Mod 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 : Config / Debug / USB */
+ { LPC_UART0_RX_PIO_0_1, LPC_IO_DIGITAL },
+ { LPC_UART0_TX_PIO_0_2, LPC_IO_DIGITAL },
+ /* I2C : RTC, Display, UEXT */
+ { 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) },
+ /* GPIO */
+ ARRAY_LAST_PIO,
+};
+
+
+const struct pio status_led_green = LPC_GPIO_1_4;
+const struct pio status_led_red = LPC_GPIO_1_5;
+
+
+/***************************************************************************** */
+/* RTC and time */
+#define RTC_ADDR 0xA2
+struct rtc_pcf85363a_config rtc_conf = {
+ .bus_num = I2C0,
+ .addr = RTC_ADDR,
+ .mode = PCF85363A_MODE_RTC,
+ .config_marker = PCF85363A_CONFIGURED_1,
+ .batt_ctrl = PCF85363A_CONF_BATT_TH_2_8V,
+};
+/* Oldest acceptable time in RTC. BCD coded. */
+const struct rtc_time oldest = {
+ .year = 0x19,
+ .month = 0x01,
+ .day = 0x11,
+ .hour = 0x09,
+ .min = 0x25,
+};
+static struct rtc_time now;
+
+
+void system_init()
+{
+ /* Configure the Watchdog */
+ startup_watchdog_disable(); /* Do it right now, before it gets a chance to break in */
+ system_set_default_power_state();
+ 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();
+}
+
+
+/***************************************************************************** */
+int main(void)
+{
+ int ret = 0;
+ char buff[30];
+
+ system_init();
+ status_led(red_only);
+ uart_on(UART0, 115200, NULL);
+ i2c_on(I2C0, I2C_CLK_100KHz, I2C_MASTER);
+
+ /* RTC init */
+ ret = rtc_pcf85363a_config(&rtc_conf);
+ ret = rtc_pcf85363a_is_up(&rtc_conf, &oldest);
+ if (ret == 1) {
+ rtc_pcf85363_time_read(&rtc_conf, &now);
+ rtc_pcf85363_time_to_str(&now, buff, 30);
+ uprintf(UART0, buff);
+ } else if (ret == -EFAULT) {
+ memcpy(&now, &oldest, sizeof(struct rtc_time));
+ rtc_pcf85363_time_write(&rtc_conf, &now);
+ rtc_pcf85363_time_to_str(&now, buff, 30);
+ uprintf(UART0, "Unconfigured RTC, updating time to %s.\n", buff);
+ }
+
+ while (1) {
+ /* Update time */
+ chenillard(1000);
+ rtc_pcf85363_time_read(&rtc_conf, &now);
+ rtc_pcf85363_time_to_str(&now, buff, 30);
+ uprintf(UART0, buff);
+ }
+ return 0;
+}
+
+
+
