chore: debloat (remove platformio), onewire improvements

Squashed commit of the following: commit 5f16309f629b9928d2134b85ae64af69bc3ebbcd Author: kuwoyuki <kuwoyuki@cock.li> Date: Sun Nov 24 22:55:15 2024 +0600 fix: Makefile, improve onewire retries commit 55496a3bda941b52ff349dc75c9c06eb5a37c07d Author: kuwoyuki <kuwoyuki@cock.li> Date: Mon Nov 18 00:41:18 2024 +0600 fix: make onewire validity less strict commit 3428a9bc9792508972ce3e7e4e35a64f047bca10 Author: kuwoyuki <kuwoyuki@cock.li> Date: Sun Nov 17 23:57:55 2024 +0600 chore: rm bins commit 1594e5ed430522b15466c8afa62ff7fb1b28947c Author: kuwoyuki <kuwoyuki@cock.li> Date: Sun Nov 17 23:32:01 2024 +0600 chore: unplatformiofy
2024-11-24 22:56:05 +06:00
parent 2a7aa8aea3
commit 8adc726b0b
74 changed files with 141 additions and 195 deletions
--- a/gpio.c
+++ b/gpio.c
@@ -0,0 +1,98 @@
+#include "gpio.h"
+
+#include <stdbool.h>
+
+#include "ch32v003fun.h"
+#include "systick.h"
+
+#define LED_BLINK_SLOW 1000     // Warning blink interval (ms)
+#define LED_BLINK_FAST 500      // Error blink interval (ms)
+#define LED_BREATH_PERIOD 2000  // Breathing effect period (ms)
+#define STATE_STABILITY 500    // Minimum time before state change (ms)
+
+#define LED_G (1 << 4)
+#define LED_B (1 << 3)
+
+typedef struct {
+  uint32_t last_update;
+  uint32_t stable_since;
+  led_state_t current_state;
+  led_state_t target_state;
+  uint8_t blink_state;
+  uint32_t last_blink;
+} led_status_t;
+
+static led_status_t led_status = {0};
+
+void gpio_init(void) {
+  // Enable clock for GPIOB
+  RCC->APB2PCENR |= RCC_APB2Periph_GPIOB;
+
+  // GPIOB: Pins 3 and 4 as Output, Push-Pull, 10MHz
+  GPIOB->CFGLR &= ~((0xF << (4 * 3)) | (0xF << (4 * 4)));
+  GPIOB->CFGLR |= ((GPIO_Speed_10MHz | GPIO_CNF_OUT_PP) << (4 * 3)) |
+                  ((GPIO_Speed_10MHz | GPIO_CNF_OUT_PP) << (4 * 4));
+
+  // GPIOB: Pin 9 as Output, Push-Pull, 10MHz
+  GPIOB->CFGHR &= ~(0xF << (4 * (9 - 8)));
+  GPIOB->CFGHR |= (GPIO_Speed_10MHz | GPIO_CNF_OUT_PP) << (4 * (9 - 8));
+
+  led_status.current_state = LED_STATE_OFF;
+  led_status.target_state = LED_STATE_OFF;
+
+  GPIOB->BSHR = LED_G | LED_B;
+}
+
+void led_status_set(led_state_t state) {
+  uint32_t now = millis();
+
+  // stability timer upd on state change
+  if (led_status.target_state != state) {
+    led_status.stable_since = now;
+    led_status.target_state = state;
+  }
+}
+
+static inline void leds(bool g, bool b) {
+  uint32_t val = (g ? LED_G << 16 : LED_G) | (b ? LED_B << 16 : LED_B);
+  GPIOB->BSHR = val;
+}
+
+void led_status_process(void) {
+  uint32_t now = millis();
+
+  if (now - led_status.stable_since < STATE_STABILITY) {
+    return;
+  }
+
+  switch (led_status.target_state) {
+    case LED_STATE_OFF:
+      GPIOB->BSHR = LED_G | LED_B;
+      break;
+
+    case LED_STATE_ON:
+      leds(1, 0);  // green on, blue off
+      break;
+
+    case LED_STATE_WARNING:
+      if (now - led_status.last_blink >= LED_BLINK_SLOW) {
+        led_status.blink_state = !led_status.blink_state;
+        led_status.last_blink = now;
+        leds(led_status.blink_state, 0);
+      }
+      break;
+
+    case LED_STATE_ERROR:
+      if (now - led_status.last_blink >= LED_BLINK_FAST) {
+        led_status.blink_state = !led_status.blink_state;
+        led_status.last_blink = now;
+        leds(led_status.blink_state, !led_status.blink_state);
+      }
+      break;
+
+    case LED_STATE_BUSY:
+      bool blue_on = (now % LED_BREATH_PERIOD) < LED_BREATH_PERIOD / 2;
+      leds(0, blue_on);
+      break;
+  }
+}