Card detect over cs pin: clean initialisation/power up

[z180-stamp.git] / avr / gpio.c

diff --git a/avr/gpio.c b/avr/gpio.c
index 3c47247ef64baf90ff66b18e198713cec3c97cf6..31dbc21f46393c1adfd58fe7ac8719b307d60e79 100644 (file)
--- a/avr/gpio.c
+++ b/avr/gpio.c
@@ -7,36 +7,35 @@
 
 /*
 
-Pin    Name    Port    Timer   Mode    max div         max div         min f [Hz]
-----------------------------------------------------------------------------------
-0              PG5     OC0B    PWM     (2**8)*1024       262144        70.31
-1              PG4
-2      CLK2    PB4     OC2A    Toggle  (2**8)*1024*2     524288        35.16
-3      ZCLK    PB5     OC1A    PWM     (2**16)*1024    67108864        0.2746
-4              PB6     OC1B    PWM     (2**16)*1024    67108864        0.2746
-5              PB7     OC0A    Toggle  (2**8)*1024*2     524288        35.16
-6              PG3
-7              PG2
-8              PG1
-9              PG0
-10     CLKO    PE7
-
-
-pre    Timer0          Timer1          Timer2
+Pin Name    Port    Timer   Mode    max div         max div     min f [Hz]
+--------------------------------------------------------------------------------
+0           PG5     OC0B    PWM     (2**8)*1024     262144      70.31
+1           PG4
+2   CLK2    PB4     OC2A    Toggle  (2**8)*1024*2   524288      35.16
+3   ZCLK    PB5     OC1A    PWM     (2**16)*1024    67108864    0.2746
+4           PB6     OC1B    PWM     (2**16)*1024    67108864    0.2746
+5           PB7     OC0A    Toggle  (2**8)*1024*2   524288      35.16
+6           PG3
+7           PG2
+8           PG1
+9           PG0
+10  CLKO    PE7
+--------------------------------------------------------------------------------
+
+
+pre Timer0      Timer1      Timer2
 --------------------------------------------------
-0      0               0               0
-1      1               1               1
-2      8       x8      8       x8      8       x8
-3      64      x8      64      x8      32      x4
-4      256     x4      256     x4      64      x2
-5      1024    x4      1024    x4      128     x2
-6                                      256     x2
-7                                      1024    x4
+0   0           0           0
+1   1           1           1
+2   8    x8     8    x8     8    x8
+3   64   x8     64   x8     32   x4
+4   256  x4     256  x4     64   x2
+5   1024 x4     1024 x4     128  x2
+6                           256  x2
+7                           1024 x4
 --------------------------------------------------
-
 */
 
-
 #define PWMTOGGLE      0b01
 #define PWMPOS         0b10
 #define PWMNEG         0b11
@@ -312,7 +311,7 @@ int gpio_clockdiv_set(int pin, unsigned long divider)
 
        top = ltop - 1;
 
-       PING |= _BV(0);         /* Debug */
+//     PING |= _BV(0);         /* Debug */
 
        switch (timertype & TIMER) {
        case TIMER0:
@@ -363,7 +362,7 @@ int gpio_clockdiv_set(int pin, unsigned long divider)
                break;
        }
 
-       PING |= _BV(0);         /* Debug */
+//     PING |= _BV(0);         /* Debug */
 
        gpio_config(pin, OUTPUT_TIMER);