From 256cd3c50083c8ae042d100ec3fc5b419d69d321 Mon Sep 17 00:00:00 2001
From: Pcornat <pcornat@protonmail.com>
Date: Thu, 13 Feb 2025 23:58:34 +0100
Subject: [PATCH] WIP getting data with interrupts

---
 Inc/sensor_registers.h | 27 +++++++++++++++++--
 Src/main.c             | 60 +++++++++++++++++++++++++++++++++---------
 2 files changed, 73 insertions(+), 14 deletions(-)

diff --git a/Inc/sensor_registers.h b/Inc/sensor_registers.h
index ceebfa1..601834e 100644
--- a/Inc/sensor_registers.h
+++ b/Inc/sensor_registers.h
@@ -16,8 +16,31 @@ typedef enum {
     bpa_trim_top_reg = 0x07,
     bpa_trim_bot_reg = 0x08,
     pu_reg = 0x09,
-    data_top_reg = 0x0A,
-    data_bot_reg = 0x0B,
 } SensorRegisters;
 
+typedef enum {
+    top_block_0 = 0,
+    top_block_1,
+    top_block_2,
+    top_block_3,
+    bot_block_0,
+    bot_block_1,
+    bot_block_2,
+    bot_block_3,
+    stop
+} StepArrayRetrieve;
+
+typedef enum {
+    cam_blk_0 = 0,
+    cam_blk_1 = 1 << 4,
+    cam_blk_2 = 2 << 4,
+    cam_blk_3 = 3 << 4,
+} SensorBlockValue;
+
+typedef enum {
+    data_top_reg = 0x0A,
+    data_bot_reg = 0x0B,
+    start_get_mat = 1 << 3 | 1
+} ArrayResgiters;
+
 #endif //SENSOR_REGISTERS_H
diff --git a/Src/main.c b/Src/main.c
index 6f2c8a5..072d5cf 100644
--- a/Src/main.c
+++ b/Src/main.c
@@ -63,11 +63,17 @@ static void MX_NVIC_Init(void);
 /* Private user code ---------------------------------------------------------*/
 /* USER CODE BEGIN 0 */
 
-typedef struct config_s {
-    const uint8_t address;
-    const uint8_t write_read;
-    uint8_t command[2];
-} Config;
+volatile ArrayResgiters array_part = data_top_reg;
+volatile StepArrayRetrieve block_step = top_block_0;
+const uint8_t part_half_array = 256;
+const uint8_t ptat_num = 1;
+const uint8_t total_array_size = 1024;
+uint16_t top_blk0[part_half_array + ptat_num] = { 0 };
+uint16_t top_blk1[part_half_array + ptat_num] = { 0 };
+uint16_t top_blk2[part_half_array + ptat_num] = { 0 };
+uint16_t top_blk3[part_half_array + ptat_num] = { 0 };
+uint16_t bot_blk0[part_half_array + ptat_num] = { 0 };
+uint16_t complete_array[total_array_size] = { 0 };
 
 void configure_sensor() {
     uint8_t data = 1;
@@ -104,7 +110,41 @@ void configure_sensor() {
     HAL_Delay(6);
 }
 
-// void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) {}
+void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c) {
+    switch (block_step) {
+        case top_block_0:
+            block_step = top_block_1;
+            HAL_I2C_Mem_Read_IT(&hi2c1,
+                sensor_addr,
+                data_top_reg | start_get_mat,
+                1,
+                (uint8_t *) top_blk0,
+                sizeof(top_blk0) * sizeof(uint16_t));
+            break;
+        case top_block_1:
+            block_step = top_block_2;
+            break;
+        case top_block_2:
+            block_step = top_block_3;
+            break;
+        case top_block_3:
+            block_step = bot_block_0;
+            break;
+        case bot_block_0:
+            block_step = bot_block_1;
+            break;
+        case bot_block_1:
+            block_step = bot_block_2;
+            break;
+        case bot_block_2:
+            block_step = bot_block_3;
+            break;
+        case bot_block_3:
+            break;
+        default:
+            break;
+    }
+}
 
 /* USER CODE END 0 */
 
@@ -114,11 +154,7 @@ void configure_sensor() {
   */
 int main(void) {
     /* USER CODE BEGIN 1 */
-    const uint8_t part_half_array = 256;
-    const uint8_t ptat_num = 1;
-    const uint8_t total_array_size = 1024;
-    uint_fast16_t top_half[part_half_array + ptat_num] = { 0 };
-    uint_fast16_t complete_array[total_array_size] = { 0 };
+
     /* USER CODE END 1 */
 
     /* MCU Configuration--------------------------------------------------------*/
@@ -154,7 +190,7 @@ int main(void) {
         sensor_addr,
         data_top_reg,
         1,
-        (uint8_t *) &top_half,
+        (uint8_t *) &top_blk0,
         part_half_array * sizeof(uint16_t),
         5);
     /* USER CODE END 2 */