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authorPerry Hung <iperry@alum.mit.edu>2010-03-25 19:50:13 -0400
committerPerry Hung <iperry@alum.mit.edu>2010-03-25 19:50:13 -0400
commitca8033c92a382be789d9bb325b03165004cd0bb2 (patch)
treec107b0245ef5b51ea4858116cc8f4711dfed878c /src
parent8d6bf3b196c2a0bc1adda4a04669e54fdc5b65cb (diff)
downloadlibrambutan-ca8033c92a382be789d9bb325b03165004cd0bb2.tar.gz
librambutan-ca8033c92a382be789d9bb325b03165004cd0bb2.zip
Started removing STM32 STD RCC code. Compiles but doesn't run yet.
Diffstat (limited to 'src')
-rw-r--r--src/lib/adc.c9
-rw-r--r--src/lib/gpio.c12
-rw-r--r--src/lib/rcc.c19
-rw-r--r--src/lib/rcc.h19
-rw-r--r--src/lib/timers.c11
-rw-r--r--src/lib/usart.c7
-rw-r--r--src/wiring/wiring.c15
7 files changed, 65 insertions, 27 deletions
diff --git a/src/lib/adc.c b/src/lib/adc.c
index 7169824..ee2b17a 100644
--- a/src/lib/adc.c
+++ b/src/lib/adc.c
@@ -23,7 +23,6 @@
* @brief Analog to digital converter routines
*/
-#include "stm32f10x_rcc.h"
#include "adc.h"
#include <stdio.h>
#include <inttypes.h>
@@ -60,14 +59,14 @@
void adc_init(void) {
/* PCLK2 is the APB2 clock */
- RCC_ADCCLKConfig(RCC_PCLK2_Div6);
+// RCC_ADCCLKConfig(RCC_PCLK2_Div6);
/* Enable ADC1 clock so that we can talk to it */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
+// RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
/* Put everything back to power-on defaults */
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, ENABLE);
- RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, DISABLE);
+// RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, ENABLE);
+// RCC_APB2PeriphResetCmd(RCC_APB2Periph_ADC1, DISABLE);
ADC_CR1 = 0;
ADC_CR2 = CR2_EXTSEL_SWSTART | CR2_EXTTRIG; // Software triggers conversions
diff --git a/src/lib/gpio.c b/src/lib/gpio.c
index facb514..0335a51 100644
--- a/src/lib/gpio.c
+++ b/src/lib/gpio.c
@@ -29,12 +29,12 @@
void gpio_init(void) {
/* Turn on clocks for GPIO */
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |
- RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_GPIOC |
- RCC_APB2Periph_GPIOD |
- RCC_APB2Periph_AFIO,
- ENABLE);
+// RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |
+// RCC_APB2Periph_GPIOB |
+// RCC_APB2Periph_GPIOC |
+// RCC_APB2Periph_GPIOD |
+// RCC_APB2Periph_AFIO,
+// ENABLE);
}
void gpio_set_mode(GPIO_Port* port, uint8 gpio_pin, uint8 mode) {
diff --git a/src/lib/rcc.c b/src/lib/rcc.c
new file mode 100644
index 0000000..e29b010
--- /dev/null
+++ b/src/lib/rcc.c
@@ -0,0 +1,19 @@
+#include "libmaple.h"
+#include "rcc.h"
+
+typedef struct RCC {
+ volatile uint32 CR;
+ volatile uint32 CFGR;
+ volatile uint32 CIR;
+ volatile uint32 APB2STR;
+ volatile uint32 APB1RSTR;
+ volatile uint32 AHBENR;
+ volatile uint32 APB2ENR;
+ volatile uint32 APB1ENR;
+ volatile uint32 BDCR;
+ volatile uint32 CSR;
+} RCC;
+
+void rcc_enable(uint32 p) {
+
+}
diff --git a/src/lib/rcc.h b/src/lib/rcc.h
new file mode 100644
index 0000000..2338593
--- /dev/null
+++ b/src/lib/rcc.h
@@ -0,0 +1,19 @@
+/**
+ * @file rcc.h
+ *
+ * @brief
+ */
+
+#ifndef _RCC_H_
+#define _RCC_H_
+
+#define RCC_TIMER1
+#define RCC_TIMER2
+#define RCC_TIMER3
+#define RCC_TIMER4
+
+void rcc_enable(uint32 p);
+
+#endif
+
+
diff --git a/src/lib/timers.c b/src/lib/timers.c
index 773ae36..a248235 100644
--- a/src/lib/timers.c
+++ b/src/lib/timers.c
@@ -24,7 +24,7 @@
*/
#include "libmaple.h"
-#include "stm32f10x_rcc.h"
+#include "rcc.h"
#include "timers.h"
typedef struct {
@@ -79,20 +79,21 @@ void timer_init(uint8_t timer_num, uint16_t prescale) {
switch(timer_num) {
case 1:
timer = (Timer*)TIMER1_BASE;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);
+// rcc_enable(RCC_TIMER1);
is_advanced = 1;
break;
case 2:
timer = (Timer*)TIMER2_BASE;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
+// rcc_enable(RCC_TIMER2);
+ //RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
break;
case 3:
timer = (Timer*)TIMER3_BASE;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
+// rcc_enable(RCC_TIMER3);
break;
case 4:
timer = (Timer*)TIMER4_BASE;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
+ // rcc_enable(RCC_TIMER4);
break;
}
diff --git a/src/lib/usart.c b/src/lib/usart.c
index 9987641..b7c3ea8 100644
--- a/src/lib/usart.c
+++ b/src/lib/usart.c
@@ -24,7 +24,6 @@
*/
#include "libmaple.h"
-#include "stm32f10x_rcc.h"
#include "usart.h"
#include "nvic.h"
@@ -123,21 +122,21 @@ void usart_init(uint8 usart_num, uint32 baud) {
port = (usart_port*)USART1_BASE;
ring_buf = &ring_buf1;
clk_speed = USART1_CLK;
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
+// RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
REG_SET(NVIC_ISER1, BIT(5));
break;
case 2:
port = (usart_port*)USART2_BASE;
ring_buf = &ring_buf2;
clk_speed = USART2_CLK;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
+// RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
REG_SET(NVIC_ISER1, BIT(6));
break;
case 3:
port = (usart_port*)USART3_BASE;
ring_buf = &ring_buf3;
clk_speed = USART3_CLK;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
+// RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
REG_SET(NVIC_ISER1, BIT(7));
break;
default:
diff --git a/src/wiring/wiring.c b/src/wiring/wiring.c
index 04de78a..dc6796f 100644
--- a/src/wiring/wiring.c
+++ b/src/wiring/wiring.c
@@ -25,7 +25,6 @@
#include "wiring.h"
#include "stm32f10x_flash.h"
-#include "stm32f10x_rcc.h"
#include "stm32f10x_map.h"
#include "stm32f10x_nvic.h"
#include "systick.h"
@@ -35,12 +34,12 @@ void RCC_Configuration(void);
void NVIC_Configuration(void);
void init(void) {
- RCC_Configuration();
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |
- RCC_APB2Periph_GPIOB |
- RCC_APB2Periph_GPIOC |
- RCC_APB2Periph_AFIO
- , ENABLE);
+// RCC_Configuration();
+// RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA |
+// RCC_APB2Periph_GPIOB |
+// RCC_APB2Periph_GPIOC |
+// RCC_APB2Periph_AFIO
+// , ENABLE);
NVIC_Configuration();
systick_init();
@@ -69,6 +68,7 @@ void NVIC_Configuration(void) {
}
+#if 0
void RCC_Configuration(void) {
ErrorStatus HSEStartUpStatus;
/* RCC system reset(for debug purpose) */
@@ -114,3 +114,4 @@ void RCC_Configuration(void) {
;
}
}
+#endif