diff options
| author | Keith Packard <keithp@keithp.com> | 2012-03-18 22:26:43 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-03-28 21:37:03 -0700 |
| commit | 4be74ef0d13114707fd8217907a5ec457f886160 (patch) | |
| tree | fafe7935bad49480fefb462aa49a33f7e46af3a4 /src/stm/ao_led.c | |
| parent | ab6ea9043b592c25948a70b6204d613756a9a250 (diff) | |
Fix STM LED driver and blink LEDs on discovery board
This adds a task to blink the LEDs, after first fixing up the LED
output code to enable the GPIO and talk to the right pins for the
discovery board.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/stm/ao_led.c')
| -rw-r--r-- | src/stm/ao_led.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/src/stm/ao_led.c b/src/stm/ao_led.c index db65afdf..0574aa2a 100644 --- a/src/stm/ao_led.c +++ b/src/stm/ao_led.c @@ -19,30 +19,28 @@ __pdata uint8_t ao_led_enable; -#define LED_PORT STM_GPIOD - void ao_led_on(uint8_t colors) { - LED_PORT->odr |= (colors & ao_led_enable); + LED_PORT.odr |= (colors & ao_led_enable); } void ao_led_off(uint8_t colors) { - LED_PORT->odr &= ~(colors & ao_led_enable); + LED_PORT.odr &= ~(colors & ao_led_enable); } void ao_led_set(uint8_t colors) { - LED_PORT->odr = (LED_PORT->odr & ~(ao_led_enable)) | (colors & ao_led_enable); + LED_PORT.odr = (LED_PORT.odr & ~(ao_led_enable)) | (colors & ao_led_enable); } void ao_led_toggle(uint8_t colors) { - LED_PORT->odr ^= (colors & ao_led_enable); + LED_PORT.odr ^= (colors & ao_led_enable); } void @@ -58,12 +56,13 @@ ao_led_init(uint8_t enable) { int bit; + stm_rcc.ahbenr |= (1 << LED_PORT_ENABLE); ao_led_enable = enable; - LED_PORT->odr &= ~enable; + LED_PORT.odr &= ~enable; for (bit = 0; bit < 16; bit++) { if (enable & (1 << bit)) { - stm_moder_set(LED_PORT, bit, STM_MODER_OUTPUT); - stm_otyper_set(LED_PORT, bit, STM_OTYPER_PUSH_PULL); + stm_moder_set(&LED_PORT, bit, STM_MODER_OUTPUT); + stm_otyper_set(&LED_PORT, bit, STM_OTYPER_PUSH_PULL); } } } |