From 98b4d428469ee338988be10877c9d27c9ee4db5b Mon Sep 17 00:00:00 2001
From: Federico Ruiz Ugalde <fruiz@eie.ucr.ac.cr>
Date: Sat, 29 Jun 2013 19:49:05 -0600
Subject: [PATCH] stm32f3discovery: Moving read and write convinience functions
 to libopencm3.

---
 examples/stm32/f3/stm32f3-discovery/i2c/i2c.c | 73 -------------------
 1 file changed, 73 deletions(-)

diff --git a/examples/stm32/f3/stm32f3-discovery/i2c/i2c.c b/examples/stm32/f3/stm32f3-discovery/i2c/i2c.c
index 1b39e54..dece4fd 100644
--- a/examples/stm32/f3/stm32f3-discovery/i2c/i2c.c
+++ b/examples/stm32/f3/stm32f3-discovery/i2c/i2c.c
@@ -141,79 +141,6 @@ void clock_setup(void) {
 //      gpio_port_write(GPIOE, (I2C_ISR(i2c) & 0xFF) << 8);
 //      my_usart_print_int(USART2, (I2C_ISR(i2c) & 0xFF));
 
-
-void write_i2c(uint32_t i2c, uint8_t i2c_addr, uint8_t reg, uint8_t size, uint8_t *data) {
-  int wait;
-  int i;
-  while (i2c_busy(i2c) == 1) {}
-  while (i2c_is_start(i2c) == 1) {}
-  //Setting transfer properties
-  i2c_set_bytes_to_transfer(i2c, size+1);
-  i2c_set_7bit_address(i2c, (i2c_addr & 0x7F));
-  i2c_set_write_transfer_dir(i2c);
-  i2c_enable_autoend(i2c);
-  //start transfer
-  i2c_send_start(i2c);
-
-  wait=true;
-  while (wait) {
-      if (i2c_transmit_int_status(i2c)) {
-	wait=false;
-      }
-      while (i2c_nack(i2c)){}
-  }
-  i2c_send_data(i2c, reg);
-  for (i=0; i<size; i++) {
-    wait=true;
-    while (wait) {
-	if (i2c_transmit_int_status(i2c)) {
-	  wait=false;
-	}
-	while (i2c_nack(i2c)){}
-    }
-    i2c_send_data(i2c, data[i]);
-  }
-}
-
-void read_i2c(uint32_t i2c, uint8_t i2c_addr, uint8_t reg, uint8_t size, uint8_t *data)
-{
-  int wait;
-  int i;
-  while (i2c_busy(i2c) == 1) {}
-  while (i2c_is_start(i2c) == 1) {}
-  /*Setting transfer properties*/
-  i2c_set_bytes_to_transfer(i2c, 1);
-  i2c_set_7bit_address(i2c, i2c_addr);
-  i2c_set_write_transfer_dir(i2c);
-  i2c_disable_autoend(i2c);
-  /*start transfer*/
-  i2c_send_start(i2c);
-
-  wait=true;
-  while (wait)
-    {
-      if (i2c_transmit_int_status(i2c)) {
-	wait=false;
-      }
-      while (i2c_nack(i2c)){} /* Some error */
-    }
-  i2c_send_data(i2c, reg);
-
-  while (i2c_is_start(i2c) == 1) {}
-  /*Setting transfer properties*/
-  i2c_set_bytes_to_transfer(i2c, size);
-  i2c_set_7bit_address(i2c, i2c_addr);
-  i2c_set_read_transfer_dir(i2c);
-  i2c_enable_autoend(i2c);
-  /*start transfer*/
-  i2c_send_start(i2c);
-
-  for (i=0; i<size; i++) {
-    while (i2c_received_data(i2c) == 0) {}
-    data[i]=i2c_get_data(i2c);
-  }
-}
-
 int main(void)
 {
 	int i, j;