[X9D]

- blocking delay_01us using timer13 (need to check peripheral frequencies) - eeprom working
2013-01-06 18:09:27 +00:00
parent 6c4193f158
commit 78efc5f0f0
7 changed files with 104 additions and 3 deletions
@@ -0,0 +1,54 @@
+/*
+ * Authors (alphabetical order)
+ * - Bertrand Songis <bsongis@gmail.com>
+ * - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
+ * - Cameron Weeks <th9xer@gmail.com>
+ * - Erez Raviv
+ * - Jean-Pierre Parisy
+ * - Karl Szmutny <shadow@privy.de>
+ * - Michael Blandford
+ * - Michal Hlavinka
+ * - Pat Mackenzie
+ * - Philip Moss
+ * - Rob Thomson
+ * - Romolo Manfredini <romolo.manfredini@gmail.com>
+ * - Thomas Husterer
+ *
+ * open9x is based on code named
+ * gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
+ * er9x by Erez Raviv: http://code.google.com/p/er9x/,
+ * and the original (and ongoing) project by
+ * Thomas Husterer, th9x: http://code.google.com/p/th9x/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include "../open9x.h"
+
+void delaysInit(void) {
+	
+	// Timer13
+  RCC->APB1ENR |= RCC_APB1ENR_TIM13EN;           // Enable clock
+  //TIM14->ARR = 4999;     // 5mS
+  TIM13->PSC = Peri1_frequency / 100000;                // 0.1uS from 30MHz
+  TIM13->CCER = 0;
+  TIM13->CCMR1 = 0;
+  TIM13->EGR = 0;
+  TIM13->CR1 = 0x03;
+  TIM13->DIER = 0;
+  //NVIC_EnableIRQ(TIM8_TRG_COM_TIM14_IRQn) ;
+}
+	
+	
+void delay_01us(uint32_t nb){
+	TIM13->CNT = 0;
+	while(TIM13->CNT < nb);
+}