X-Git-Url: http://git.scottworley.com/tattlekey/blobdiff_plain/e2173399236a55d37e243f666f4052605517699c..d1521eda56a4768dbf481aa6cf9e75c5a5a7e7f1:/client/tattlekey.c diff --git a/client/tattlekey.c b/client/tattlekey.c index 910f696..30f92a4 100644 --- a/client/tattlekey.c +++ b/client/tattlekey.c @@ -1,22 +1,47 @@ -/** - * Copyright (c) 2022 Raspberry Pi (Trading) Ltd. - * - * SPDX-License-Identifier: BSD-3-Clause - */ - #include "pico/cyw43_arch.h" #include "pico/stdlib.h" +#include "blink.h" +#include "button.h" +#include "config.h" +#include "net.h" + +static u16_t seq = 0; + +static void button_pressed() { + /* TODO: This is interrupt context. We need to get out of interrupt context + * quickly; we should not be doing significant work here, & definitely + * shouldn't be sleeping here. We signal errors with blinking the LED, which + * involves sleeping, so this all has to move. */ + send_report(seq++, 0); + signal(4, 200); +} + +static void wait_forever() { + /* pico-examples/gpio/hello_gpio_irq/hello_gpio_irq.c implements wait-forever + * as "while (1);", but + * https://www.raspberrypi.com/documentation/pico-sdk/high_level.html#gaf469c6d691230e9d1008 + * says sleeping uses less power, so we sleep. */ + while (1) { + /* https://www.raspberrypi.com/documentation/pico-sdk/hardware.html#rpip7ce2cdc1662dce59296b + * says the maximum sleep is 2^32 - 1 microseconds (~71.58 minutes), so we + * sleep in chunks. */ + sleep_ms(1 << 31); /* 35.79 minutes */ + } +} + int main() { stdio_init_all(); - if (cyw43_arch_init()) { - printf("Wi-Fi init failed"); - return -1; - } - while (true) { - cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 1); - sleep_ms(250); - cyw43_arch_gpio_put(CYW43_WL_GPIO_LED_PIN, 0); - sleep_ms(250); - } + if (cyw43_arch_init_with_country(CYW43_COUNTRY_USA)) + signal_error_by_blinking(); + signal(1, 200); + cyw43_arch_enable_sta_mode(); + signal(2, 200); + if (cyw43_arch_wifi_connect_timeout_ms(wifi_ssid, wifi_pass, + CYW43_AUTH_WPA2_AES_PSK, 10000)) + signal_error_by_blinking(); + signal(3, 200); + begin_listening_for_button_press(button_pressed); + + wait_forever(); }