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#include <math.h>
#include <stdint.h>
#include <stdio.h>
#include "btsel.h"
#include "byte_math.h"
#include "ch573/gpio.h"
#include "ch573/pfic.h"
#include "ch573/pwr.h"
#include "ch573/uart.h"
#include "clock.h"
#include "isr_vector.h"
#include "panic.h"
#include "pattern.h"
#include "spi.h"
#include "string.h"
#include "sysled.h"
#include "system.h"
#include "systick.h"
#include "ws2812b.h"
#include "gpio.h"
#ifndef LED_BYTE_ORDER
#define LED_BYTE_ORDER GRB
#endif
#define PASTER(x, y) x##y
#define CONCAT(x, y) PASTER(x, y)
#define LED_BYTE_ORDER_ENUM CONCAT(BYTE_ORDER_, LED_BYTE_ORDER)
#define STRINGIFY(x) #x
#define TOSTRING(x) STRINGIFY(x)
#ifndef DEFAULT_PATTERN
#define DEFAULT_PATTERN CandyCane
#endif
#define PFIC_I CH573_PFIC__PFIC_T_INTF
#define PFIC ch573_pfic__pfic
#define GPIO_PORT_A ch573_gpio__gpio_port_a
#define GPIO_PORT_B ch573_gpio__gpio_port_b
#define GPIO_PORT CH573_GPIO__GPIO_PORT_T_INTF
#define GPIO_I CH573_GPIO__GPIO_T_INTF
#define GPIO ch573_gpio__gpio
#define UART1 ch573_uart__uart1
#define UART CH573_UART__UART_T_INTF
#define PWR1 ch573_pwr__pwr_mgmt
#define PWR CH573_PWR__PWR_MGMT_T_INTF
#define min(a, b) (a) < (b) ? (a) : (b)
uint8_t amp(uint8_t in, uint8_t n)
{
uint32_t out = in;
for (int i = 0; i < n; ++i) {
out = (out * in) / 256;
}
return min(out, 255);
}
static void set_system_clock_60Mhz(void)
{
clock_cfg_t clk_cfg = {0};
clk_cfg.sel = CLOCK_SELECTION_PLL;
clk_cfg.pll_clock_divisor = 8;
if (set_system_clock(&clk_cfg)) {
printf("Failed to set system clock.\n");
panic(0xff);
}
}
#define N_LEDS 255
#define N_DMA_XFER 4
extern int uart1_FILE_get(FILE* f);
#define TIME_STEP 1
static volatile uint32_t time = 0;
static volatile int spin_lock = 0;
static size_t current_pattern_idx = 0;
static size_t debounce = 0;
On_SysTick()
{
if (debounce > 0) {
debounce--;
}
time++;
spin_lock = 0;
}
On_Gpio(gpio_pin_t pin)
{
if (pin == PIN_PB7) {
if (debounce > 0) return;
debounce = 10;
size_t tmp = current_pattern_idx;
tmp++;
if (tmp >= n_patterns) {
tmp = 0;
}
current_pattern_idx = tmp;
printf("Switch to '%s'\n", patterns[current_pattern_idx].name);
}
}
/*
* Main routine. This is called on_reset once everything else has been set up.
*/
int main(void)
{
char buf[N_LEDS * TOTAL_BYTES_PER_LED];
PFIC_I.vector_table_control.set(PFIC, 1);
set_system_clock_60Mhz();
set_systick(250000);
enable_sysled();
enable_spi();
for (current_pattern_idx = 0; current_pattern_idx < n_patterns;
++current_pattern_idx) {
if (strcmp(
patterns[current_pattern_idx].name, "" TOSTRING(DEFAULT_PATTERN)) ==
0) {
break;
}
}
if (current_pattern_idx == n_patterns) {
printf(
"Could not find a pattern with the name '%s'.\n",
TOSTRING(DEFAULT_PATTERN));
panic(0xaa);
}
printf("\nRunning Pattern '%s'\n", patterns[current_pattern_idx].name);
configure_gpio(PIN_PB7, PIN_CFG_INPUT_PULL_UP);
enable_gpio_interrupt(PIN_PB7, INT_MODE_FALLING_EDGE);
// enable_bootsel_button();
size_t n = sizeof(buf);
struct ws2812b_buf ws_buf;
make_wsb2812b(&ws_buf, buf, n);
ws_buf.byte_order = LED_BYTE_ORDER_ENUM;
rgb_t color;
GPIO_PORT.dir.set(GPIO_PORT_A, DIR_OUT, 10);
// GPIO->pb_interrupt_mode |= (1 << 7) | (1 << 8);
while (1) {
pattern_t* current_pattern = &patterns[current_pattern_idx];
ws_buf.cur = 0;
for (int i = 0; i < N_LEDS; ++i) {
rgb_t rgb = current_pattern->get_rgb(time, i);
write_rgb(&ws_buf, rgb);
}
while (spin_lock) {
// set_sysled(1); // Setting the sysled helps me to measure down time.
GPIO_PORT.out.set(GPIO_PORT_A, ON, 10);
}
GPIO_PORT.out.set(GPIO_PORT_A, OFF, 10);
spin_lock = 1;
for (int j = 0; j < N_DMA_XFER; ++j) {
wait_for_dma();
start_dma(&ws_buf);
}
}
return 0;
}
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