From e41764fceeabb1cdb6a7a299e00f2166a6f6ac32 Mon Sep 17 00:00:00 2001
From: fishsoupisgood <github@madingley.org>
Date: Thu, 18 Jun 2020 13:26:56 +0100
Subject: moved stm32 into directory added noddy pcb

---
 app/oled2.c | 124 ------------------------------------------------------------
 1 file changed, 124 deletions(-)
 delete mode 100644 app/oled2.c

(limited to 'app/oled2.c')

diff --git a/app/oled2.c b/app/oled2.c
deleted file mode 100644
index bccb4ba..0000000
--- a/app/oled2.c
+++ /dev/null
@@ -1,124 +0,0 @@
-#include "project.h"
-
-
-static uint8_t dma_buf[DMA_BUF_SZ];
-uint8_t vram_2[DMA_BUF_SZ];
-
-static int dma_in_progress = 0;
-static int refresh_enabled = 0;
-static uint32_t refresh_wdt = 0;
-static int oled_sad = 0;
-
-
-static void
-start_dma (void)
-{
-  uint8_t cmds[] = {
-    SSD1306_SET_PAGE_ADDR, 0, 0xff,
-    SSD1306_SET_COLUMN_ADDR, 0, SSD1306_WIDTH - 1
-  };
-
-  if (dma_in_progress)
-    return;
-
-
-  memcpy (dma_buf, vram_2, DMA_BUF_SZ);
-
-  if (ssd1306_cmds (I2C2, cmds, sizeof (cmds), 0)) {
-    oled_sad++;
-    return;
-  }
-
-  if (i2cp_start_transaction (I2C2, SSD1306_I2C_ADDRESS, I2C_WRITE)) {
-    oled_sad++;
-    return;
-  }
-
-  refresh_wdt = 0;
-  dma_in_progress = 1;
-
-  i2cp2_start_dma (dma_buf, DMA_BUF_SZ);
-}
-
-
-
-void
-dma1_channel4_isr (void)
-{
-  if (dma_in_progress) {
-    i2cp2_stop_dma();
-
-    i2cp_stop (I2C2);
-    dma_in_progress = 0;
-  }
-
-  if (refresh_enabled)
-    start_dma();
-}
-
-void
-oled2_ticker (void)
-{
-  if (!refresh_enabled)
-    return;
-
-  refresh_wdt++;
-
-  if ((refresh_wdt < MS_TO_TICKS (1000)) && (!oled_sad))
-    return;
-
-  refresh_wdt = 0;
-
-  /*No refresh for 1s, restart everything */
-
-  i2cp2_stop_dma();
-  i2cp_stop (I2C2);
-  dma_in_progress = 0;
-
-  if (oled_sad) {
-    oled_sad = 0;
-    i2cp2_reset_sm();
-  }
-
-  start_dma();
-
-}
-
-void
-oled2_enable_refresh (void)
-{
-  refresh_enabled = 1;
-  start_dma();
-}
-
-
-void
-oled2_disable_refresh (void)
-{
-  refresh_enabled = 0;
-
-  while (dma_in_progress);
-}
-
-
-
-void
-oled2_init (void)
-{
-  oled_reset (I2C2);
-
-  delay_us (100);
-
-  oled_generate_stream (vram_2);
-
-  nvic_enable_irq (NVIC_DMA1_CHANNEL4_IRQ);
-  oled2_enable_refresh();
-}
-
-
-void
-oled2_shutdown (void)
-{
-  oled2_disable_refresh();
-  oled_off (I2C2);
-}
-- 
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