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stmhal/{accel,lcd}: use GPIO_{set,clear}_pin 

different HAL versions implement GPIO differently (BSRR vs BSRRH+BSRRL),
this way both drivers are portable between different HAL's
This commit is contained in:
Krzysztof Blazewicz 2016-09-06 17:56:41 +02:00
parent d89de18f40
commit 06a1194300
2 changed files with 17 additions and 18 deletions
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9
stmhal/accel.c
View File

@ -27,8 +27,7 @@
#include <stdio.h>
#include <string.h>
#include STM32_HAL_H
#include "py/mphal.h"
#include "py/nlr.h"
#include "py/runtime.h"
#include "pin.h"
@ -61,7 +60,7 @@ void accel_init(void) {
GPIO_InitTypeDef GPIO_InitStructure;
// PB5 is connected to AVDD; pull high to enable MMA accel device
MICROPY_HW_MMA_AVDD_PIN.gpio->BSRRH = MICROPY_HW_MMA_AVDD_PIN.pin_mask; // turn off AVDD
GPIO_clear_pin(MICROPY_HW_MMA_AVDD_PIN.gpio, MICROPY_HW_MMA_AVDD_PIN.pin_mask); // turn off AVDD
GPIO_InitStructure.Pin = MICROPY_HW_MMA_AVDD_PIN.pin_mask;
GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructure.Speed = GPIO_SPEED_LOW;
@ -82,9 +81,9 @@ STATIC void accel_start(void) {
i2c_init(&I2CHandle1);
// turn off AVDD, wait 30ms, turn on AVDD, wait 30ms again
MICROPY_HW_MMA_AVDD_PIN.gpio->BSRRH = MICROPY_HW_MMA_AVDD_PIN.pin_mask; // turn off
GPIO_clear_pin(MICROPY_HW_MMA_AVDD_PIN.gpio, MICROPY_HW_MMA_AVDD_PIN.pin_mask); // turn off
HAL_Delay(30);
MICROPY_HW_MMA_AVDD_PIN.gpio->BSRRL = MICROPY_HW_MMA_AVDD_PIN.pin_mask; // turn on
GPIO_set_pin(MICROPY_HW_MMA_AVDD_PIN.gpio, MICROPY_HW_MMA_AVDD_PIN.pin_mask); // turn on
HAL_Delay(30);
HAL_StatusTypeDef status;

26
stmhal/lcd.c
View File

@ -26,8 +26,8 @@
#include <stdio.h>
#include <string.h>
#include STM32_HAL_H
#include "py/mphal.h"
#include "py/nlr.h"
#include "py/runtime.h"
@ -113,16 +113,16 @@ STATIC void lcd_delay(void) {
STATIC void lcd_out(pyb_lcd_obj_t *lcd, int instr_data, uint8_t i) {
lcd_delay();
lcd->pin_cs1->gpio->BSRRH = lcd->pin_cs1->pin_mask; // CS=0; enable
GPIO_clear_pin(lcd->pin_cs1->gpio, lcd->pin_cs1->pin_mask); // CS=0; enable
if (instr_data == LCD_INSTR) {
lcd->pin_a0->gpio->BSRRH = lcd->pin_a0->pin_mask; // A0=0; select instr reg
GPIO_clear_pin(lcd->pin_a0->gpio, lcd->pin_a0->pin_mask); // A0=0; select instr reg
} else {
lcd->pin_a0->gpio->BSRRL = lcd->pin_a0->pin_mask; // A0=1; select data reg
GPIO_set_pin(lcd->pin_a0->gpio, lcd->pin_a0->pin_mask); // A0=1; select data reg
}
lcd_delay();
HAL_SPI_Transmit(lcd->spi, &i, 1, 1000);
lcd_delay();
lcd->pin_cs1->gpio->BSRRL = lcd->pin_cs1->pin_mask; // CS=1; disable
GPIO_set_pin(lcd->pin_cs1->gpio, lcd->pin_cs1->pin_mask); // CS=1; disable
}
// write a string to the LCD at the current cursor location
@ -262,10 +262,10 @@ STATIC mp_obj_t pyb_lcd_make_new(const mp_obj_type_t *type, mp_uint_t n_args, mp
spi_init(lcd->spi, false);
// set the pins to default values
lcd->pin_cs1->gpio->BSRRL = lcd->pin_cs1->pin_mask;
lcd->pin_rst->gpio->BSRRL = lcd->pin_rst->pin_mask;
lcd->pin_a0->gpio->BSRRL = lcd->pin_a0->pin_mask;
lcd->pin_bl->gpio->BSRRH = lcd->pin_bl->pin_mask;
GPIO_set_pin(lcd->pin_cs1->gpio, lcd->pin_cs1->pin_mask);
GPIO_set_pin(lcd->pin_rst->gpio, lcd->pin_rst->pin_mask);
GPIO_set_pin(lcd->pin_a0->gpio, lcd->pin_a0->pin_mask);
GPIO_clear_pin(lcd->pin_bl->gpio, lcd->pin_bl->pin_mask);
// init the pins to be push/pull outputs
GPIO_InitTypeDef GPIO_InitStructure;
@ -287,9 +287,9 @@ STATIC mp_obj_t pyb_lcd_make_new(const mp_obj_type_t *type, mp_uint_t n_args, mp
// init the LCD
HAL_Delay(1); // wait a bit
lcd->pin_rst->gpio->BSRRH = lcd->pin_rst->pin_mask; // RST=0; reset
GPIO_clear_pin(lcd->pin_rst->gpio, lcd->pin_rst->pin_mask); // RST=0; reset
HAL_Delay(1); // wait for reset; 2us min
lcd->pin_rst->gpio->BSRRL = lcd->pin_rst->pin_mask; // RST=1; enable
GPIO_set_pin(lcd->pin_rst->gpio, lcd->pin_rst->pin_mask); // RST=1; enable
HAL_Delay(1); // wait for reset; 2us min
lcd_out(lcd, LCD_INSTR, 0xa0); // ADC select, normal
lcd_out(lcd, LCD_INSTR, 0xc0); // common output mode select, normal (this flips the display)
@ -372,9 +372,9 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_2(pyb_lcd_contrast_obj, pyb_lcd_contrast);
STATIC mp_obj_t pyb_lcd_light(mp_obj_t self_in, mp_obj_t value) {
pyb_lcd_obj_t *self = self_in;
if (mp_obj_is_true(value)) {
self->pin_bl->gpio->BSRRL = self->pin_bl->pin_mask; // set pin high to turn backlight on
GPIO_set_pin(self->pin_bl->gpio, self->pin_bl->pin_mask); // set pin high to turn backlight on
} else {
self->pin_bl->gpio->BSRRH = self->pin_bl->pin_mask; // set pin low to turn backlight off
GPIO_clear_pin(self->pin_bl->gpio, self->pin_bl->pin_mask); // set pin low to turn backlight off
}
return mp_const_none;
}