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  • derf/multipass
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src/arch/stm32f746zg-nucleo/Makefile.inc
View file @ 02168c86
...@@ -50,6 +50,9 @@ endif ...@@ -50,6 +50,9 @@ endif
ifdef CONFIG_arch_stm32f746zg_nucleo_driver_counter ifdef CONFIG_arch_stm32f746zg_nucleo_driver_counter
CXX_TARGETS += src/arch/stm32f746zg-nucleo/driver/counter.cc CXX_TARGETS += src/arch/stm32f746zg-nucleo/driver/counter.cc
ifneq (${app}, )
COMMON_FLAGS += -DCONFIG_arch_stm32f746zg_nucleo_driver_counter
endif
endif endif
ifdef CONFIG_arch_stm32f746zg_nucleo_driver_i2c ifdef CONFIG_arch_stm32f746zg_nucleo_driver_i2c
......
src/arch/stm32f746zg-nucleo/arch.cc
View file @ 02168c86
...@@ -64,19 +64,21 @@ extern void loop(); ...@@ -64,19 +64,21 @@ extern void loop();
volatile char run_loop = 0; volatile char run_loop = 0;
#endif #endif
// for 216 MHz(?) static volatile int delay_counter;
// horribly broken
void Arch::delay_us(unsigned int const us) void Arch::delay_us(unsigned int const us)
{ {
volatile int x = us * 145; delay_counter = us * 37;
while (x--) { while (delay_counter--) {
__asm("nop"); __asm("nop");
} }
} }
// horribly broken
void Arch::delay_ms(unsigned int const ms) void Arch::delay_ms(unsigned int const ms)
{ {
for (unsigned int i = 0; i < ms; i++) { for (unsigned int i = 0; i < ms; i++) {
volatile int x = 143990; delay_counter = 36364;
while (x--) { while (delay_counter--) {
__asm("nop"); __asm("nop");
} }
} }
......