X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fdrv%2Flm75.c;h=db8f8a9420c04755668c35bb07eb988cb604e556;hb=55cb504cb865f019f6d1c82f9d51713a664ad9c4;hp=845fa3a49c3941545cb87c485406e830104b7ff7;hpb=2e82814c186e99b012b71ded1803889c9a1bca1f;p=bertos.git

diff --git a/bertos/drv/lm75.c b/bertos/drv/lm75.c
index 845fa3a4..db8f8a94 100644
--- a/bertos/drv/lm75.c
+++ b/bertos/drv/lm75.c
@@ -43,6 +43,7 @@
 #include "cfg/cfg_lm75.h"
 
 #include <cfg/debug.h>
+#include <cfg/module.h>
 
 // Define logging setting (for cfg/log.h module).
 #define LOG_LEVEL   LM75_LOG_LEVEL
@@ -51,10 +52,11 @@
 #include <cfg/log.h>
 
 #include <drv/i2c.h>
+#include <drv/ntc.h> // Macro and data type to manage celsius degree
 
 #define SELECT_ADDRESS(addr)   LM75_ADDRESS_BYTE | (addr << 1)
 
-deci_celsius_t lm75_read(addr_t sens_addr)
+deg_t lm75_read(uint8_t sens_addr)
 {
 	uint8_t data[2];
 	int16_t degree;
@@ -63,10 +65,10 @@ deci_celsius_t lm75_read(addr_t sens_addr)
 	i2c_start_w(SELECT_ADDRESS(sens_addr));
 	i2c_put(LM75_PAD_BYTE);
 	i2c_start_r(SELECT_ADDRESS(sens_addr));
-	i2c_recv(&data, sizeof(data));
+	i2c_recv(data, sizeof(data));
 
-	degree = (uint16_t)data[0];
-	deci_degree = (uint16_t)(((data[1] >> 7) & 1 ) * 5);
+	degree = (int16_t)data[0];
+	deci_degree = (int16_t)(((data[1] >> 7) & 1 ) * 5);
 
 	LOG_INFO("[%d.%d C]\n", degree, deci_degree);
 
@@ -75,9 +77,8 @@ deci_celsius_t lm75_read(addr_t sens_addr)
 
 void lm75_init(void)
 {
-	i2c_init();
-	LOG_INFO("Init I2C module.\n");
-
+	// Check dependence
+	MOD_CHECK(i2c);
 	LM75_HW_INIT();
 }