add i2c timeouts

cornellrocketryteam · Jan 9, 2025 · b0636ac · b0636ac
1 parent 61ad3e3
commit b0636ac
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Showing 2 changed files with 5 additions and 3 deletions.
diff --git a/bmp388.cpp b/bmp388.cpp
@@ -73,10 +73,10 @@ bool BMP388::read_data(float *altitude, float *temperature, float sea_level_pres
 }
 
 BMP3_INTF_RET_TYPE BMP388::i2c_read(uint8_t reg_addr, uint8_t *reg_data, uint32_t len, void *intf_ptr) {
-    if (i2c_write_blocking(i2c0, BMP388_ADDR, &reg_addr, 1, true) < 1) {
+    if (i2c_write_timeout_us(i2c0, BMP388_ADDR, &reg_addr, 1, true, BYTE_TIMEOUT_US) < 1) {
         return 1;
     }
-    if (i2c_read_blocking(i2c0, BMP388_ADDR, reg_data, len, false) < 1) {
+    if (i2c_read_timeout_us(i2c0, BMP388_ADDR, reg_data, len, false, BYTE_TIMEOUT_US) < 1) {
         return 1;
     }
     return BMP3_INTF_RET_SUCCESS;
@@ -87,7 +87,7 @@ BMP3_INTF_RET_TYPE BMP388::i2c_write(uint8_t reg_addr, const uint8_t *reg_data,
     buf[0] = reg_addr;
     memcpy(&buf[1], reg_data, len);
 
-    if (i2c_write_blocking(i2c0, BMP388_ADDR, buf, len + 1, false) < 1) {
+    if (i2c_write_timeout_us(i2c0, BMP388_ADDR, buf, len + 1, false, BYTE_TIMEOUT_US) < 1) {
         return 1;
     }
     return BMP3_INTF_RET_SUCCESS;

diff --git a/bmp388.hpp b/bmp388.hpp
@@ -8,6 +8,8 @@
 
 #define BMP388_ADDR (0x77)
 
+#define BYTE_TIMEOUT_US (1500)
+
 /**
  * Representation of the BMP388 sensor.
  * Uses the Bosch Sensortec BMP3 API under the hood.