From 3d7a783905c583b5a551fca0ad2f1404ef637f01 Mon Sep 17 00:00:00 2001
From: rkcf <rkcf@rkcf.me>
Date: Tue, 21 Feb 2023 05:29:42 -0600
Subject: [PATCH] Feat: add section to main for adc continuous and calibration
 init

Refs: #4
---
 src/main/esp32_eurorack_generic.c | 28 ++++++++++++++++++++++------
 1 file changed, 22 insertions(+), 6 deletions(-)

diff --git a/src/main/esp32_eurorack_generic.c b/src/main/esp32_eurorack_generic.c
index ebc6e7e..e2fdb89 100644
--- a/src/main/esp32_eurorack_generic.c
+++ b/src/main/esp32_eurorack_generic.c
@@ -20,7 +20,7 @@ static const char *TAG = "EERG";
 
 
 /* Initializes calibration driver of internal 12bit ADC */
-static void adc_cali_init(void)
+static void adc_cali_init(adc_cali_handle_t *handle)
 {
   ESP_LOGI(TAG, "Initializing ADC calibration driver");
   adc_cali_handle_t cali_handle;
@@ -31,14 +31,14 @@ static void adc_cali_init(void)
     .bitwidth = ADC_BITWIDTH_DEFAULT
   };
   ESP_ERROR_CHECK(adc_cali_create_scheme_curve_fitting(&cali_config, &cali_handle));
+
+  /* Update caller's handle */
+  *handle = cali_handle;
 }
 
 /* Initializes internal 12bit ADC */
-static void adc_init(void)
+static void adc_cont_init(adc_continuous_handle_t *handle)
 {
-  /* Initialize calibration driver */
-  adc_cali_init();
-
   ESP_LOGI(TAG, "Initializing ADC continuous mode driver");
 
   /* Create continuous mode driver handle */
@@ -67,10 +67,26 @@ static void adc_init(void)
   }
   adc_config.adc_pattern = adc_pattern;
   ESP_ERROR_CHECK(adc_continuous_config(adc_handle, & adc_config));
+
+  /* Update caller's handle */
+  *handle = adc_handle;
 }
 
 void app_main(void)
 {
   /* Initialize internal ADC */
-  adc_init();
+  adc_cali_handle_t adc_cali_handle = NULL;
+  adc_continuous_handle_t adc_handle = NULL;
+  /* Initialize calibration driver */
+  adc_cali_init(&adc_cali_handle);
+  /* Initialize continuous driver */
+  adc_cont_init(&adc_handle);
+
+  /* Start the continuous driver */
+  ESP_ERROR_CHECK(adc_continuous_start(adc_handle));
+
+  /* Cleanup adc */
+  ESP_ERROR_CHECK(adc_continuous_stop(adc_handle));
+  ESP_ERROR_CHECK(adc_continuous_deinit(adc_handle));
+  ESP_ERROR_CHECK(adc_cali_delete_scheme_curve_fitting(adc_cali_handle));
 }