From 9d87c925a9eaa4fc256be3173c14a20d1469472d Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Wed, 9 Sep 2020 11:53:37 +0100
Subject: everything, mostly, working

---
 radiator-plc/stm32/app/main.c | 150 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 150 insertions(+)
 create mode 100644 radiator-plc/stm32/app/main.c

(limited to 'radiator-plc/stm32/app/main.c')

diff --git a/radiator-plc/stm32/app/main.c b/radiator-plc/stm32/app/main.c
new file mode 100644
index 0000000..57b6752
--- /dev/null
+++ b/radiator-plc/stm32/app/main.c
@@ -0,0 +1,150 @@
+#include "project.h"
+
+
+volatile int request_search;
+
+static void mqtt_cmd (char *type)
+{
+  char *m;
+  char *who, *what;
+
+  m = rindex (type, ' ');
+
+  if (!m) return;
+
+  *m = 0;
+  m++;
+
+  while (index (type, ' ') == type)
+    type++;
+
+  who = index (type, ' ');
+  if (who) *who = 0;
+
+
+  who = index (type, '/');
+
+  if (!who) {
+    who = "";
+    what = "";
+  } else {
+    *who = 0;
+    who++;
+
+    what = index (who, '/');
+
+    if (!what)
+      what = "";
+
+    else {
+      *what = 0;
+      what++;
+    }
+  }
+
+
+  mqtt_dispatch (type, who, what, m);
+}
+
+static void cmd_dispatch (char *cmd)
+{
+
+  if (!strcmp (cmd, "SEARCH")) {
+    request_search = 1;
+    return;
+  }
+
+  if (!strncmp (cmd, "MQTT ", 5)) {
+    mqtt_cmd (cmd + 5);
+    return;
+  }
+
+
+  printf ("Unknown command %s\n", cmd);
+}
+
+
+
+
+static void
+kbd_dispatch (void)
+{
+  static char cmd_buf[80];
+  static unsigned cmd_ptr;
+
+  uint8_t c;
+
+  while (!ring_read_byte (&rx1_ring, &c)) {
+
+    switch (c) {
+    case ' ':
+    case '\t':
+      if (!cmd_ptr)
+        break;
+
+    /*fall through */
+    default:
+      cmd_buf[cmd_ptr++] = c;
+      cmd_buf[cmd_ptr] = 0;
+
+
+      if (cmd_ptr < (sizeof (cmd_buf) - 1))
+        break;
+
+    /*fall through*/
+    case '\r':
+    case '\n':
+      if (!cmd_ptr)
+        break;
+
+      cmd_dispatch (cmd_buf);
+      cmd_ptr = 0;
+      break;
+    }
+  }
+}
+
+
+int
+main (void)
+{
+  /*set up pll */
+  rcc_clock_setup_in_hse_8mhz_out_72mhz();
+
+  /*turn on clocks which aren't done elsewhere */
+  rcc_periph_clock_enable (RCC_GPIOA);
+  rcc_periph_clock_enable (RCC_GPIOB);
+  rcc_periph_clock_enable (RCC_GPIOC);
+  rcc_periph_clock_enable (RCC_GPIOD);
+  rcc_periph_clock_enable (RCC_GPIOE);
+  rcc_periph_clock_enable (RCC_AFIO);
+
+  //watchdog_init ();
+
+  /*Adjust interrupt priorities so that uarts trump timer */
+  nvic_set_priority (NVIC_USART1_IRQ, 0x40);
+  nvic_set_priority (NVIC_USART2_IRQ, 0x40);
+  nvic_set_priority (NVIC_USART3_IRQ, 0x40);
+  nvic_set_priority (NVIC_SYSTICK_IRQ, 0xff);
+
+  ticker_init();
+  usart_init();
+  led_init();
+  onewire_init();
+  inputs_init();
+  outputs_init();
+
+  printf ("D: RESET\n");
+
+  //onewire_search();
+
+  for (;;) {
+    if (!ring_empty (&rx1_ring))
+      kbd_dispatch();
+
+    logic_dispatch();
+
+  }
+
+  return 0;
+}
-- 
cgit v1.2.3