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stm: pull-up usr switch on pyboard (fixes regression).

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This commit is contained in:
Damien George 2014-01-05 23:49:34 +00:00
parent 568a6c9d79
commit 6b0b4a0cad
2 changed files with 28 additions and 25 deletions
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46
stm/led.c
View File

@ -8,10 +8,10 @@
#include "led.h"
/* LED numbers, used internally */
#define PYB_LED_1 (1)
#define PYB_LED_2 (2)
#define PYB_LED_3 (3)
#define PYB_LED_4 (4)
#define PYB_LED_1 (0)
#define PYB_LED_2 (1)
#define PYB_LED_3 (2)
#define PYB_LED_4 (3)
#if defined(PYBOARD)
#define PYB_LED1_PORT (GPIOA)
@ -86,22 +86,22 @@ void led_state(pyb_led_t led, int state) {
switch (led) {
case PYB_LED_1:
pin = PYB_LED1_PIN;
port = PYB_LED1_PORT;
pin = PYB_LED1_PIN;
port = PYB_LED1_PORT;
break;
case PYB_LED_2:
pin = PYB_LED2_PIN;
port = PYB_LED2_PORT;
pin = PYB_LED2_PIN;
port = PYB_LED2_PORT;
break;
case PYB_LED_3:
pin = PYB_LED3_PIN;
port = PYB_LED3_PORT;
pin = PYB_LED3_PIN;
port = PYB_LED3_PORT;
break;
case PYB_LED_4:
pin = PYB_LED4_PIN;
port = PYB_LED4_PORT;
pin = PYB_LED4_PIN;
port = PYB_LED4_PORT;
break;
default:
default:
return;
}
@ -120,27 +120,27 @@ void led_toggle(pyb_led_t led) {
switch (led) {
case PYB_LED_1:
pin = PYB_LED1_PIN;
port = PYB_LED1_PORT;
pin = PYB_LED1_PIN;
port = PYB_LED1_PORT;
break;
case PYB_LED_2:
pin = PYB_LED2_PIN;
port = PYB_LED2_PORT;
pin = PYB_LED2_PIN;
port = PYB_LED2_PORT;
break;
case PYB_LED_3:
pin = PYB_LED3_PIN;
port = PYB_LED3_PORT;
pin = PYB_LED3_PIN;
port = PYB_LED3_PORT;
break;
case PYB_LED_4:
pin = PYB_LED4_PIN;
port = PYB_LED4_PORT;
pin = PYB_LED4_PIN;
port = PYB_LED4_PORT;
break;
default:
default:
return;
}
if (!(port->ODR & pin)) {
// turn LED off
// turn LED off
PYB_LED_OFF(port, pin);
} else {
// turn LED on (output low)

7
stm/usrsw.c
View File

@ -12,6 +12,7 @@
#if defined (PYBOARD)
#define USRSW_PORT (GPIOA)
#define USRSW_PIN (GPIO_Pin_13)
#define USRSW_PUPD (GPIO_PuPd_UP)
#define USRSW_EXTI_PIN (EXTI_PinSource13)
#define USRSW_EXTI_PORT (EXTI_PortSourceGPIOA)
#define USRSW_EXTI_LINE (EXTI_Line13)
@ -20,18 +21,20 @@
#elif defined (STM32F4DISC)
#define USRSW_PORT (GPIOA)
#define USRSW_PIN (GPIO_Pin_0)
#define USRSW_PUPD (GPIO_PuPd_NOPULL)
#define USRSW_EXTI_PIN (EXTI_PinSource0)
#define USRSW_EXTI_PORT (EXTI_PortSourceGPIOA)
#define USRSW_EXTI_LINE (EXTI_Line0)
#define USRSW_EXTI_IRQN (EXTI0_IRQn)
#define USRSW_EXTI_EDGE (EXTI_Trigger_Falling)
#endif
#endif
void switch_init(void) {
// make it an input with pull-up
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_Pin = USRSW_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; /* allow external pull up/down */
GPIO_InitStructure.GPIO_PuPd = USRSW_PUPD;
GPIO_Init(USRSW_PORT, &GPIO_InitStructure);
// the rest does the EXTI interrupt