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author | fishsoupisgood <github@madingley.org> | 2020-06-18 13:26:56 +0100 |
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committer | fishsoupisgood <github@madingley.org> | 2020-06-18 13:26:56 +0100 |
commit | e41764fceeabb1cdb6a7a299e00f2166a6f6ac32 (patch) | |
tree | c58c73d742bf990ec692d61ca8d911dd43fab8c6 /stm32/app/pins.h | |
parent | f7b7cf9e80200cade938d47527e39034c75b9b6d (diff) | |
download | robs_speedo-e41764fceeabb1cdb6a7a299e00f2166a6f6ac32.tar.gz robs_speedo-e41764fceeabb1cdb6a7a299e00f2166a6f6ac32.tar.bz2 robs_speedo-e41764fceeabb1cdb6a7a299e00f2166a6f6ac32.zip |
moved stm32 into directory added noddy pcb
Diffstat (limited to 'stm32/app/pins.h')
-rw-r--r-- | stm32/app/pins.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/stm32/app/pins.h b/stm32/app/pins.h new file mode 100644 index 0000000..a29e48f --- /dev/null +++ b/stm32/app/pins.h @@ -0,0 +1,55 @@ +#ifndef _PINS_H_ +#define _PINS_H_ + +/* st seem to change these with every chip revision */ + +#define MAP_AF_PP(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, a ); \ + } while (0) + +#define MAP_AF(a) MAP_AF_PP(a) + +/* STM32F1 doesn't have AF pull up, but also doesn't disconnect af inputs so just use regular pull up */ +#define MAP_AF_PU(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, a); \ + gpio_set( a ## _PORT, a); \ + } while (0) + +#define MAP_AF_OD(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN, a ); \ + } while (0) + + +#define MAP_OUTPUT_PP(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, a ); \ + } while (0) + + +#define MAP_OUTPUT_OD(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_OPENDRAIN, a ); \ + } while (0) + + +/* STM32F1 madly uses the output register to drive the other end of the resistor, so pull up */ +/* requires us to write a 1 there */ + +#define MAP_INPUT_PU(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_PULL_UPDOWN, a); \ + gpio_set( a ## _PORT, a); \ + } while (0) + + +#define MAP_INPUT(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, a); \ + } while (0) + +#define MAP_ANALOG(a) do { \ + gpio_set_mode( a ## _PORT, GPIO_MODE_INPUT, GPIO_CNF_INPUT_ANALOG, a); \ + } while (0) + + +#define CLEAR(a) gpio_clear( a ## _PORT, a) +#define SET(a) gpio_set( a ## _PORT, a) +#define GET(a) gpio_get( a ## _PORT, a) + +#endif |