Merge branch 'master' of ssh://git.gag.com/scm/git/fw/altos

[fw/altos] / src / stmf0 / ao_led_stmf0.c

diff --git a/src/stmf0/ao_led_stmf0.c b/src/stmf0/ao_led_stmf0.c
new file mode 100644 (file)
index 0000000..1564535
--- /dev/null
+++ b/src/stmf0/ao_led_stmf0.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+#include "ao.h"
+
+void
+ao_led_on(AO_LED_TYPE colors)
+{
+#ifdef LED_PORT
+       LED_PORT->bsrr = (colors & LEDS_AVAILABLE);
+#else
+#ifdef LED_PORT_0
+       LED_PORT_0->bsrr = ((colors & LEDS_AVAILABLE) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
+#endif
+#ifdef LED_PORT_1
+       LED_PORT_1->bsrr = ((colors & LEDS_AVAILABLE) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
+#endif
+#endif
+}
+
+void
+ao_led_off(AO_LED_TYPE colors)
+{
+#ifdef LED_PORT
+       LED_PORT->bsrr = (uint32_t) (colors & LEDS_AVAILABLE) << 16;
+#else
+#ifdef LED_PORT_0
+       LED_PORT_0->bsrr = ((uint32_t) (colors & LEDS_AVAILABLE) & LED_PORT_0_MASK) << (LED_PORT_0_SHIFT + 16);
+#endif
+#ifdef LED_PORT_1
+       LED_PORT_1->bsrr = ((uint32_t) (colors & LEDS_AVAILABLE) & LED_PORT_1_MASK) << (LED_PORT_1_SHIFT + 16);
+#endif
+#endif
+}
+
+void
+ao_led_set(AO_LED_TYPE colors)
+{
+       AO_LED_TYPE     on = colors & LEDS_AVAILABLE;
+       AO_LED_TYPE     off = ~colors & LEDS_AVAILABLE;
+
+       ao_led_off(off);
+       ao_led_on(on);
+}
+
+void
+ao_led_toggle(AO_LED_TYPE colors)
+{
+#ifdef LED_PORT
+       LED_PORT->odr ^= (colors & LEDS_AVAILABLE);
+#else
+#ifdef LED_PORT_0
+       LED_PORT_0->odr ^= ((colors & LEDS_AVAILABLE) & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
+#endif
+#ifdef LED_PORT_1
+       LED_PORT_1->odr ^= ((colors & LEDS_AVAILABLE) & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
+#endif
+#endif
+}
+
+void
+ao_led_for(AO_LED_TYPE colors, AO_TICK_TYPE ticks) 
+{
+       ao_led_on(colors);
+       ao_delay(ticks);
+       ao_led_off(colors);
+}
+
+#define init_led_pin(port, bit) do { \
+               stm_moder_set(port, bit, STM_MODER_OUTPUT);             \
+               stm_otyper_set(port, bit, STM_OTYPER_PUSH_PULL);        \
+       } while (0)
+
+void
+ao_led_init(void)
+{
+       int     bit;
+
+#ifdef LED_PORT
+       stm_rcc.ahbenr |= (1 << LED_PORT_ENABLE);
+       LED_PORT->odr &= ~LEDS_AVAILABLE;
+#else
+#ifdef LED_PORT_0
+       stm_rcc.ahbenr |= (1 << LED_PORT_0_ENABLE);
+       LED_PORT_0->odr &= (uint32_t) ~(LEDS_AVAILABLE & LED_PORT_0_MASK) << LED_PORT_0_SHIFT;
+#endif
+#ifdef LED_PORT_1
+       stm_rcc.ahbenr |= (1 << LED_PORT_1_ENABLE);
+       LED_PORT_1->odr &= (uint32_t) ~(LEDS_AVAILABLE & LED_PORT_1_MASK) << LED_PORT_1_SHIFT;
+#endif
+#endif
+       for (bit = 0; bit < 16; bit++) {
+               if (LEDS_AVAILABLE & (1 << bit)) {
+#ifdef LED_PORT
+                       init_led_pin(LED_PORT, bit);
+#else
+#ifdef LED_PORT_0
+                       if (LED_PORT_0_MASK & (1 << bit))
+                               init_led_pin(LED_PORT_0, bit + LED_PORT_0_SHIFT);
+#endif
+#ifdef LED_PORT_1
+                       if (LED_PORT_1_MASK & (1 << bit))
+                               init_led_pin(LED_PORT_1, bit + LED_PORT_1_SHIFT);
+#endif
+#endif
+               }
+       }
+}