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authorJosh Rahm <joshuarahm@gmail.com>2018-01-23 23:14:31 -0700
committerJosh Rahm <joshuarahm@gmail.com>2018-01-23 23:14:31 -0700
commit7aa10db46c13ad8adc88aadff39b8cf6b15db09d (patch)
treeb1e34a6703de33250b0bd97d34999b687a36a00f /system-clock/src/spin.c
parentacd8afd83da625d36ef39bc01717f29f3b689952 (diff)
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rename folders to give notion of progression
Diffstat (limited to 'system-clock/src/spin.c')
-rw-r--r--system-clock/src/spin.c49
1 files changed, 0 insertions, 49 deletions
diff --git a/system-clock/src/spin.c b/system-clock/src/spin.c
deleted file mode 100644
index fbd16b6..0000000
--- a/system-clock/src/spin.c
+++ /dev/null
@@ -1,49 +0,0 @@
-#include "spin.h"
-#include "delay.h"
-#include "gpio.h"
-
-#define SHORT_DELAY 200000
-#define LONG_DELAY (SHORT_DELAY * 2)
-
-static void flash_bit(
- uint32_t base, gpio_output_pin_t out_pin,
- uint8_t bit /* 0 => 0, non-zero => 1 */)
-{
- pin_on(out_pin);
- if (bit) {
- delay(base * 2);
- } else {
- delay(base);
- }
- pin_off(out_pin);
- delay(base);
-}
-
-void spin(uint32_t base, uint8_t c)
-{
- uint8_t code;
- __IO gpio_port_t* port_b = enable_gpio(GPIO_PORT_B);
- gpio_output_pin_t pin3 = set_gpio_pin_output(port_b, PIN_3);
-
- for (;;) {
- code = c;
- flash_bit(base, pin3, code & 0x80);
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
-
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
- code <<= 1;
- flash_bit(base, pin3, code & 0x80);
-
- delay(base * 4);
- }
-}