Lerking/micropython
1
0
Fork 0
mirror of https://github.com/micropython/micropython.git synced 2026-01-08 05:00:26 +01:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity

extmod/machine_spi: Provide reusable software SPI class.

Browse Source 
So long as a port defines relevant mp_hal_pin_xxx functions (and delay) it
can make use of this software SPI class without the need for additional
code.
This commit is contained in:
Damien George
2016-12-08 13:47:01 +11:00
parent d9c839742f
commit 1eb3c66e91
5 changed files with 216 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
stmhal/mpconfigport.h
View File

@@ -106,6 +106,7 @@
#define MICROPY_PY_MACHINE_I2C_MAKE_NEW machine_hard_i2c_make_new
#define MICROPY_PY_MACHINE_SPI (1)
#define MICROPY_PY_MACHINE_SPI_MIN_DELAY (0)
#define MICROPY_PY_MACHINE_SPI_MAX_BAUDRATE (HAL_RCC_GetSysClockFreq() / 48)
#define MICROPY_PY_FRAMEBUF (1)
#ifndef MICROPY_PY_USOCKET

2
stmhal/mphalport.h
View File

@@ -48,6 +48,7 @@ static inline mp_uint_t mp_hal_ticks_cpu(void) {
#include "stmhal/pin.h"
#define MP_HAL_PIN_FMT "%q"
#define MP_HAL_PIN_MODE_INPUT (0)
#define MP_HAL_PIN_MODE_OUTPUT (1)
#define MP_HAL_PIN_MODE_ALT (2)
@@ -60,6 +61,7 @@ static inline mp_uint_t mp_hal_ticks_cpu(void) {
#define mp_hal_pin_obj_t const pin_obj_t*
#define mp_hal_get_pin_obj(o) pin_find(o)
#define mp_hal_pin_name(p) ((p)->name)
#define mp_hal_pin_input(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_NONE, 0)
#define mp_hal_pin_output(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_NONE, 0)
#define mp_hal_pin_open_drain(p) mp_hal_pin_config((p), MP_HAL_PIN_MODE_OPEN_DRAIN, MP_HAL_PIN_PULL_NONE, 0)