From ad0988d6efafffac2e3ea8dc3b95285ee90cdfa3 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?TED=C3=BC?= <t.duentzsch@fasttube.de>
Date: Mon, 4 Mar 2024 04:15:24 +0100
Subject: [PATCH] added tire data header

---
 Core/Inc/tire_data.h   | 15 +++++++++++++++
 Core/Src/HTPA_32x32d.c |  8 ++++----
 2 files changed, 19 insertions(+), 4 deletions(-)
 create mode 100644 Core/Inc/tire_data.h

diff --git a/Core/Inc/tire_data.h b/Core/Inc/tire_data.h
new file mode 100644
index 0000000..d24afce
--- /dev/null
+++ b/Core/Inc/tire_data.h
@@ -0,0 +1,15 @@
+/**
+ * @file tire_data.h
+ * @brief Tire data for calibration of HTPA sensor
+ * @author Tim-Erik Düntzsch t.duentzsch@fasttube.de
+ * 
+ * @date 27.03.2023 - first implementation (untested)
+ */
+
+#ifndef INC_TIRE_DATA_H_
+#define INC_TIRE_DATA_H_
+
+uint8_t epsilon = 94;   // emissivity of 0.94 (tire rubber)
+
+
+#endif /* INC_TIRE_DATA_H_ */
\ No newline at end of file
diff --git a/Core/Src/HTPA_32x32d.c b/Core/Src/HTPA_32x32d.c
index 2d01ccd..c5e7ae2 100644
--- a/Core/Src/HTPA_32x32d.c
+++ b/Core/Src/HTPA_32x32d.c
@@ -38,10 +38,10 @@
 // I2C transmit delay
 #define I2C_MAX_DELAY			0xFFFFFFFF
 
-I2C_HandleTypeDef i2c_handle;
+I2C_HandleTypeDef* i2c_handle;	// pointer to i2c handle
 HAL_StatusTypeDef i2c_return;	// error handling maybe?
 
-uint16_t blockData[128];
+uint8_t htpa_blockData[258];	// 2 bytes VDD / Ptat, 256 bytes MSB / LSB for 128 pixels 
 
 /**
  * @brief Initialization of HTPA Sensor
@@ -53,7 +53,7 @@ uint16_t blockData[128];
  * @param *hi2c: Pointer to I2C Handle
 */
 void HTPA_Init(I2C_HandleTypeDef *hi2c){
-	i2c_handle = *hi2c;
+	i2c_handle = hi2c;
 	// Berechnung für clk / sample aus I2C parametern?
 	HTPA_WriteRegister(HTPA_SENSOR_CONFIG, 0x01);	// Wakeup
 	HTPA_WriteRegister(HTPA_SENSOR_TRIM_1, 0x0C);
@@ -76,7 +76,7 @@ void HTPA_Init(I2C_HandleTypeDef *hi2c){
  * @param block:		select block of array half (0-3)
  * @param *pData[128]:	pointer to 128 word array for read data
 */
-void HTPA_ReadBlock(uint8_t array_half, uint8_t block, uint16_t *pData[128]){
+void HTPA_ReadBlock(uint8_t array_half, uint8_t block, uint16_t *pData[256]){
 	uint8_t config = 0;
 	config = (block << 4);	// bit 5,4 block
 	config |= 0x09;					// bit 3 start | bit 1 wakeup