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Introduce a Makefile for the OS_NONE device example

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It currently supports the SAMD21 and SAMD51 only. More will be
added later.
This commit is contained in:
Scott Shawcroft
2018-11-24 10:55:51 -08:00
parent 3bb53273cd
commit bf70f89240
16 changed files with 548 additions and 19 deletions
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hw/bsp/metro_m0_express/board_metro_m0_express.c
+12 -1
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@@ -47,6 +47,8 @@
#include "hpl_pm_config.h"
#include "hpl/pm/hpl_pm_base.h"
#include "tusb_option.h"
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
@@ -77,7 +79,7 @@ void board_init(void)
#if CFG_TUSB_OS == OPT_OS_NONE
// Tick init, samd SystemCoreClock may not correct
SysTick_Config(SystemCoreClock/1000);
SysTick_Config(CONF_CPU_FREQUENCY/1000);
#endif
/* USB Clock init
@@ -97,6 +99,15 @@ void board_init(void)
gpio_set_pin_function(PIN_PA24, PINMUX_PA24G_USB_DM);
gpio_set_pin_function(PIN_PA25, PINMUX_PA25G_USB_DP);
// Output 500hz PWM on D12 (PA19 - TCC0 WO[3]) so we can validate the GCLK0 clock speed with a Saleae.
_pm_enable_bus_clock(PM_BUS_APBC, TCC0);
TCC0->PER.bit.PER = 48000000 / 1000;
TCC0->CC[3].bit.CC = 48000000 / 2000;
TCC0->CTRLA.bit.ENABLE = true;
gpio_set_pin_function(PIN_PA19, PINMUX_PA19F_TCC0_WO3);
_gclk_enable_channel(TCC0_GCLK_ID, GCLK_CLKCTRL_GEN_GCLK0_Val);
}
void board_led_control(uint32_t led_id, bool state)