monorepo

P3_SETR1/Core/Src/LPS22.c

@@ -0,0 +1,24 @@
+#include "stm32l4xx_hal.h"
+
+extern I2C_HandleTypeDef hi2c2;
+
+void LPS22_Init() {
+	uint8_t buffer[1];
+	buffer[0] = 0x42;
+
+	HAL_I2C_Mem_Write(&hi2c2, 0xBA, 0x10, I2C_MEMADD_SIZE_8BIT, buffer, 1 , 1000);
+}
+
+float LPS22_ReadPress() {
+	float press;
+
+	uint8_t buffer[3];
+
+	HAL_I2C_Mem_Read(&hi2c2, 0xBA, 0x28, I2C_MEMADD_SIZE_8BIT, buffer, 3, 1000);
+
+	uint32_t press_raw = (buffer[2] << 16) | (buffer[1] << 8) | buffer[0];
+
+	press = press_raw / 4096.0f;
+
+	return press;
+}