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fixes hardware dotstar support for 3.0 and addresses issue #514

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This commit is contained in:
Bryan Siepert 2018-03-08 20:39:47 -08:00
parent 402e71dcdd
commit 942b7ffbe0
3 changed files with 10 additions and 5 deletions
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4
ports/atmel-samd/boards/trinket_m0/mpconfigboard.h
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@ -2,8 +2,8 @@
#define MICROPY_HW_MCU_NAME "samd21e18" #define MICROPY_HW_MCU_NAME "samd21e18"
// Rev B - Black // Rev B - Black
// #define MICROPY_HW_APA102_MOSI (&pin_PA00) #define MICROPY_HW_APA102_MOSI (&pin_PA00)
// #define MICROPY_HW_APA102_SCK (&pin_PA01) #define MICROPY_HW_APA102_SCK (&pin_PA01)
#define MICROPY_PORT_A (PORT_PA00 | PORT_PA01 | PORT_PA24 | PORT_PA25) #define MICROPY_PORT_A (PORT_PA00 | PORT_PA01 | PORT_PA24 | PORT_PA25)
#define MICROPY_PORT_B (0) #define MICROPY_PORT_B (0)

7
ports/atmel-samd/common-hal/busio/SPI.c
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@ -34,6 +34,7 @@
#include "hal/include/hal_gpio.h" #include "hal/include/hal_gpio.h"
#include "hal/include/hal_spi_m_sync.h" #include "hal/include/hal_spi_m_sync.h"
#include "hal/include/hpl_spi_m_sync.h" #include "hal/include/hpl_spi_m_sync.h"
#include "supervisor/shared/rgb_led_status.h"
#include "peripherals.h" #include "peripherals.h"
#include "pins.h" #include "pins.h"
@ -59,7 +60,7 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
if (potential_sercom == NULL || if (potential_sercom == NULL ||
#if defined(MICROPY_HW_APA102_SCK) && defined(MICROPY_HW_APA102_MOSI) && !defined(CIRCUITPY_BITBANG_APA102) #if defined(MICROPY_HW_APA102_SCK) && defined(MICROPY_HW_APA102_MOSI) && !defined(CIRCUITPY_BITBANG_APA102)
(potential_sercom->SPI.CTRLA.bit.ENABLE != 0 && (potential_sercom->SPI.CTRLA.bit.ENABLE != 0 &&
potential_sercom != status_apa102.spi_master_instance.hw && potential_sercom != status_apa102.spi_desc.dev.prvt &&
!apa102_sck_in_use)) { !apa102_sck_in_use)) {
#else #else
potential_sercom->SPI.CTRLA.bit.ENABLE != 0) { potential_sercom->SPI.CTRLA.bit.ENABLE != 0) {
@ -113,6 +114,10 @@ void common_hal_busio_spi_construct(busio_spi_obj_t *self,
// Set up SPI clocks on SERCOM. // Set up SPI clocks on SERCOM.
samd_peripherals_sercom_clock_init(sercom, sercom_index); samd_peripherals_sercom_clock_init(sercom, sercom_index);
#if defined(MICROPY_HW_APA102_SCK) && defined(MICROPY_HW_APA102_MOSI) && !defined(CIRCUITPY_BITBANG_APA102)
// if we're re-using the dotstar sercom, make sure it is disabled or the init will fail out
hri_sercomspi_clear_CTRLA_ENABLE_bit(sercom);
#endif
if (spi_m_sync_init(&self->spi_desc, sercom) != ERR_NONE) { if (spi_m_sync_init(&self->spi_desc, sercom) != ERR_NONE) {
mp_raise_OSError(MP_EIO); mp_raise_OSError(MP_EIO);
} }

4
supervisor/shared/rgb_led_status.c
View File

@ -70,11 +70,11 @@ void rgb_led_status_init() {
MICROPY_HW_APA102_MOSI, MICROPY_HW_APA102_MOSI,
mp_const_none); mp_const_none);
#else #else
if (status_apa102.current_baudrate > 0) { if (!common_hal_busio_spi_deinited(&status_apa102)) {
// Don't use spi_deinit because that leads to infinite // Don't use spi_deinit because that leads to infinite
// recursion because reset_pin may call // recursion because reset_pin may call
// rgb_led_status_init. // rgb_led_status_init.
spi_disable(&status_apa102.spi_master_instance); spi_m_sync_disable(&status_apa102.spi_desc);
} }
common_hal_busio_spi_construct(&status_apa102, common_hal_busio_spi_construct(&status_apa102,
MICROPY_HW_APA102_SCK, MICROPY_HW_APA102_SCK,