EMTime/libopencm3
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91fa52da4806d111ea222eaa2f710b33ff71df74
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9 Commits

Author SHA1 Message Date
Uwe Hermann
3bef8767f9 Add gpio_get() API function. 2009-07-18 17:41:31 +02:00
Uwe Hermann
83f5c58eb9 Switch the license to GPL, version 3 or later. 2009-07-18 16:27:47 +02:00
Uwe Hermann
3262983d27 Add initial GPIO API implementation. 
This currently includes a number of basic functions. Example usage:

 gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
               GPIO_CNF_OUTPUT_PUSHPULL, GPIO12);
 gpio_set(GPIOB, GPIO4);
 gpio_clear(GPIOG, GPIO2 | GPIO9);
 gpio_toggle(GPIOA, GPIO7);
 reg16 = gpio_port_read(GPIOD);
 gpio_port_write(GPIOF, 0xc8fe);
 2009-07-18 16:20:32 +02:00
Uwe Hermann
3b6809413b Remove one layer of indirection by killing unneeded #defines. 2009-07-18 02:51:22 +02:00
Uwe Hermann
f3d7eda380 Add convenience GPIOx #defines and MMIO GPIO register #defines. 2009-07-17 23:09:47 +02:00
Uwe Hermann
d6611f62dd Add all base addresses for peripherals as per datasheet. 2009-07-17 23:05:01 +02:00
Uwe Hermann
c62ca6143d Make gpio number argument 'unsigned int', there are no negative GPIOs. 2009-07-16 14:23:25 +02:00
Uwe Hermann
0fa4cbbdad Add some more GPIO related #defines. 
This includes GPIO port base addresses, MODE[1:0] values, and CNF[1:0]
values.
 2009-07-16 14:22:46 +02:00
Uwe Hermann
1b2f6456bf Add some initial gpio.h #defines. 2009-07-16 03:20:12 +02:00