136 lines
2.8 KiB
C
136 lines
2.8 KiB
C
/*
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* (c) danielinux 2019
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* GPLv.2
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*
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* See LICENSE for details
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*/
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#include <string.h>
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#include <stdio.h>
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#include "system.h"
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#include "led.h"
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#include "display.h"
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#include "spi_flash.h"
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#include "uart.h"
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#include "systick.h"
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#include "ui.h"
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#include "button.h"
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#include "adc.h"
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extern uint32_t cpu_freq;
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#define BLINK_INTERVAL 500
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static int sdcard_detected = 0;
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static void bootlevel_0(void)
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{
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clock_pll_on();
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uart2_setup(115200, 8, 0, 1);
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systick_enable();
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WFI();
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printf("Console on USART2 Enabled.\r\n");
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printf("\r\n=====================\r\n");
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printf("Entering bootlevel 0.\r\n");
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//led_setup(LED);
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//led_on(LED);
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printf("System clock started.\r\n");
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button_init();
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//pin_exti_init();
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printf("Buttons initialized.\r\n");
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}
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extern void timer_init(void);
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static void bootlevel_1(void)
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{
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uint16_t spiflash_vendor;
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int sdcard_present;
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printf("=====================\r\n");
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printf("Entering bootlevel 1.\r\n");
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printf("Initializing ADC...\r\n");
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adc_init();
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printf("Activating I2C bus...\r\n");
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i2c_display_init();
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printf("Display initialized.\r\n");
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printf("Displaying splash screen...\r\n");
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ui_init();
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printf("UI initialized.\r\n");
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timer_init();
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printf("System up and running.\r\n\n\n");
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}
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static void (*process_input_callback)(uint8_t press, int hold) = NULL;
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static void (*keepalive_callback)(void) = NULL;
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void set_input_callback(void (*cb)(uint8_t press, int hold))
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{
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process_input_callback = cb;
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}
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void clear_input_callback(void)
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{
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process_input_callback = NULL;
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}
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void set_keepalive(void (*cb)(void))
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{
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keepalive_callback = cb;
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}
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void clear_keepalive(void)
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{
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keepalive_callback = NULL;
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}
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void process_button(uint8_t press, int hold)
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{
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if (process_input_callback)
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process_input_callback(press, hold);
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else
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ui_button_press(press, hold);
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}
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extern void gettime(uint32_t *s, uint32_t *us);
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int main(void) {
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int hb = 1;
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int fs_on = 0;
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int ret;
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volatile uint32_t poll_time = 0;
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uint32_t bstatus = 0;
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const uint32_t hb_len = 400;
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const uint32_t hb_pulse = 5;
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bootlevel_0();
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bootlevel_1();
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//pin_exti_start_read();
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while(1) {
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hb = 1;
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//led_on(LED);
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poll_time = jiffies;
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if (!keepalive_callback)
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ui_keepalive(hb_len);
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else
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keepalive_callback();
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do {
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WFI();
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ret = button_poll(process_button);
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if (jiffies - poll_time > hb_pulse) {
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if (hb) {
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uint32_t s, us;
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hb = 0;
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//led_off(LED);
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// gettime(&s, &us);
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// printf("TIME: %u.%05u\r\n", s, us);
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}
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}
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} while ((jiffies - poll_time) < hb_len);
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}
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return 0;
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}
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