Clean up the code. Manage the reconnection. Use the lwip error, insted

[bertos.git] / bertos / drv / pcf8574.c

diff --git a/bertos/drv/pcf8574.c b/bertos/drv/pcf8574.c
index 3c9ba4d2b201efd7a8706506ffa3b924a4434281..7c5cf164b30b132c3c86c647a526566fd5a22ce6 100644 (file)
--- a/bertos/drv/pcf8574.c
+++ b/bertos/drv/pcf8574.c
@@ -45,57 +45,12 @@
 
 #include "pcf8574.h"
 
+#include "cfg/cfg_i2c.h"
+
 #include <cfg/module.h>
 
 #include <drv/i2c.h>
 
-/**
- * Read PCF8574 \a pcf bit status.
- * \return the pins status or EOF on errors.
- */
-int pcf8574_get_1(Pcf8574 *pcf)
-{
-       if (!i2c_start_r(PCF8574ID | ((pcf->addr << 1) & 0xF7)))
-               return EOF;
-
-       int data;
-
-       if (!i2c_recv(&data, 1))
-               data = EOF;
-
-       i2c_stop();
-
-       return data;
-}
-
-/**
- * Write to PCF8574 \a pcf port \a data.
- * \return true if ok, false on errors.
- */
-bool pcf8574_put_2(Pcf8574 *pcf, uint8_t data)
-{
-       bool res = i2c_start_w(PCF8574ID | ((pcf->addr << 1) & 0xF7)) && i2c_put(data);
-       i2c_stop();
-       return res;
-}
-
-/**
- * Init a PCF8574 on the bus with addr \a addr.
- * \return true if device is found, false otherwise.
- */
-bool pcf8574_init_2(Pcf8574 *pcf, pcf8574_addr addr)
-{
-       MOD_CHECK(i2c);
-       pcf->addr = addr;
-       return pcf8574_get(pcf) != EOF;
-}
-
-
-
-/*
- * New API
- */
-
 /**
  * Read PCF8574 \a pcf bit status.
  * \return the pins status or EOF on errors.