moved stm32 into directory added noddy pcb

1 files changed, 0 insertions, 164 deletions

diff --git a/app/not/i2c_bb.c b/app/not/i2c_bb.c
deleted file mode 100644
index 3076605..0000000
--- a/app/not/i2c_bb.c
+++ /dev/null
@@ -1,164 +0,0 @@
-#include "project.h"
-
-#define SCL 	GPIO6
-#define SDA	GPIO7
-
-static uint8_t
-set (uint8_t sda, uint8_t scl)
-{
-  uint8_t ret;
-  if (sda)
-    gpio_set (GPIOB, SDA);
-  else
-    gpio_clear (GPIOB, SDA);
-
-  if (scl)
-    gpio_set (GPIOB, SCL);
-  else
-    gpio_clear (GPIOB, SCL);
-
-  delay_us (10);
-  ret = (gpio_get (GPIOB, SDA) & SDA) ? 1 : 0;
-
-  return ret;
-}
-
-
-
-
-uint8_t
-i2cb_send (uint8_t wot)
-{
-  uint8_t i;
-
-  printf ("%02x", wot);
-
-  for (i = 0; i < 8; ++i)
-    {
-      set (wot & 0x80, 0);
-      set (wot & 0x80, 1);
-      set (wot & 0x80, 0);
-      wot <<= 1;
-    }
-  set (1, 0);
-  i = set (1, 1);
-  set (1, 0);
-
-  printf ("%c", i ? '!' : '.');
-  return i;
-}
-
-uint8_t
-i2cb_send_addr (uint8_t addr, uint8_t rnw)
-{
-  return i2cb_send (addr << 1 | rnw);
-}
-
-uint8_t
-i2cb_read (uint8_t ack)
-{
-  uint8_t i, wot = 0;
-
-  for (i = 0; i < 8; ++i)
-    {
-      wot <<= 1;
-      set (1, 0);
-      wot |= set (1, 1);
-      set (1, 0);
-    }
-  set (ack, 0);
-  set (ack, 1);
-  set (ack, 0);
-  return wot;
-}
-
-
-void
-i2cb_start (void)
-{
-  printf ("S");
-  set (1, 1);
-  set (0, 1);
-  set (0, 0);
-}
-
-void
-i2cb_stop (void)
-{
-  printf ("R\n");
-  set (0, 0);
-  set (0, 1);
-  set (1, 1);
-}
-
-
-int
-i2cb_start_transaction (uint8_t a, uint8_t rnw)
-{
-  i2cb_start ();
-  return i2cb_send_addr (a, rnw);
-
-}
-
-
-void
-i2cb_reset (void)
-{
-  i2cb_start ();
-  i2cb_stop ();
-  i2cb_start ();
-  i2cb_stop ();
-}
-
-
-
-void
-i2cb_scan (void)
-{
-  uint8_t r;
-  uint16_t i;
-
-  i2cb_reset ();
-
-  printf ("Probing bus\n");
-  for (i = 0; i < 128; ++i)
-    {
-      i2cb_start ();
-      i2cb_stop ();
-      i2cb_start ();
-      r = i2cb_send ((i << 1) | I2C_WRITE);
-      i2cb_stop ();
-
-      if (!r)
-        printf ("Found device at address 0x%x\n", i);
-    }
-  printf ("Done\n");
-  i2cb_reset ();
-
-}
-
-void
-i2cb_init (void)
-{
-  gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL,
-                 SCL);
-  gpio_set_mode (GPIOB, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN,
-                 SDA);
-
-  set (1, 1);
-#ifdef DEBUG_I2C
-  printf ("T11 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL));
-#endif
-  set (0, 1);
-#ifdef DEBUG_I2C
-  printf ("T01 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL));
-#endif
-  set (1, 0);
-#ifdef DEBUG_I2C
-  printf ("T10 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL));
-#endif
-  set (1, 1);
-#ifdef DEBUG_I2C
-  printf ("T11 %d:%d\n", !!(SDA_IN_REG & SDA_VAL), !!(SCL_IN_REG & SCL_VAL));
-#endif
-}