Break out the state parmaters into their own include file.

This helps by creating one location to add state parameters.

1 files changed, 22 insertions, 0 deletions

diff --git a/main/main.c b/main/main.c
index 691043d..9cd4f0f 100644
--- a/main/main.c
+++ b/main/main.c
@@ -46,6 +46,26 @@
 
 static ws_params_t ws_params;
 
+/* Ticks the clock at a constant rate independent of the time it takes to write
+ * to the led strip. */
+portTASK_FUNCTION(time_keeper, params_)
+{
+  ws_params_t* params = (ws_params_t*) params_;
+
+  TickType_t last_wake;
+  const TickType_t freq = 1;
+
+  // Initialise the xLastWakeTime variable with the current time.
+  last_wake = xTaskGetTickCount();
+
+  for( ;; )
+  {
+      // Wait for the next cycle.
+      vTaskDelayUntil( &last_wake, freq );
+      params->state.time += params->state.timetick;
+  }
+}
+
 void app_main(void)
 {
   esp_err_t error;
@@ -71,6 +91,7 @@ void app_main(void)
   printf("miso: %d\n", PIN_NUM_MISO);
   printf("mosi: %d\n", PIN_NUM_MOSI);
   printf("sclk: %d\n", PIN_NUM_CLK);
+  printf("Tick period ms: %d\n", portTICK_PERIOD_MS);
 
   error = spi_bus_initialize(HSPI_HOST, &cfg, SPI_DMA_CH_AUTO);
   printf("Bus Init\n");
@@ -84,6 +105,7 @@ void app_main(void)
 
   printf("Configuration complete!!\n");
 
+  xTaskCreate(time_keeper, "time_keeper", 1024, &ws_params, 1, NULL);
   xTaskCreate(ws2812b_write_task, "ws2812b_writer", 4096, &ws_params, 1, NULL);
   xTaskCreate(tcp_server, "tcp_server", 4096, &ws_params, 2, NULL);
 }