static void spi1_ios(void)
{
u32 val;
reg_set(RCC_APB2ENR, 0x04); /* Activate GPIOA */
/* Configure NSS pin (PA4) */
val = reg_rd(GPIOA);
val &= 0xFFF0FFFF;
val |= 0x00030000; /* output, 50MHz, push-pull */
reg_wr(GPIOA, val);
reg_wr(GPIO_BSRR(GPIOA), (0x01 << 4)); /* Disable SS (nss=1) */
/* Configure SCK pin (PA5) */
val = reg_rd(GPIOA);
val &= 0xFF0FFFFF;
val |= 0x00B00000; /* output, 50MHz, AF, push-pull */
reg_wr(GPIOA, val);
/* Configure MOSI pin (PA7) */
val = reg_rd(GPIOA);
val &= 0x0FFFFFFF;
val |= 0xB0000000; /* output, 50MHz, AF, push-pull */
reg_wr(GPIOA, val);
/* Configure MISO pin (PA6) */
val = reg_rd(GPIOA);
val &= 0xF0FFFFFF;
val |= 0x04000000; /* input, floating */
reg_wr(GPIOA, val);
}
static void spi2_ios(void)
{
u32 val;
reg_set(RCC_APB2ENR, 0x08); /* Activate PortB */
/* Configure NSS pin (PB12) */
val = reg_rd(GPIOB + 0x04);
val &= 0xFFF0FFFF;
val |= 0x00030000; /* output, 50MHz, push-pull */
reg_wr(GPIOB+0x04, val);
reg_wr(GPIO_BSRR(GPIOB), (0x01 << 12)); /* Disable SS (nss=1) */
/* Configure SCK pin (PB13) */
val = reg_rd(GPIOB + 0x04);
val &= 0xFF0FFFFF;
val |= 0x00B00000; /* output, 50MHz, AF, push-pull */
reg_wr(GPIOB+0x04, val);
/* Configure MOSI pin (PB15) */
val = reg_rd(GPIOB + 0x04);
val &= 0x0FFFFFFF;
val |= 0xB0000000; /* output, 50MHz, AF, push-pull */
reg_wr(GPIOB+0x04, val);
/* Configure MISO pin (PB14) */
val = reg_rd(GPIOB + 0x04);
val &= 0xF0FFFFFF;
val |= 0x04000000; /* input, floating */
reg_wr(GPIOB + 0x04, val);
}
Inline void set_port_pull(uint32_t reg, uint_t p, bool_t up)
{
if (up) {
sil_wrw_mem((void*)GPIO_BSRR(reg), 0x01 << p);
} else {
sil_wrw_mem((void*)GPIO_BRR(reg), 0x01 << p);
}
}
void setPin(u32 bank, u8 pin) {
u32 pinMask = 0x1 << (pin);
#if defined(ARCH_SI32)
SET_REG(GPIO_SET(bank), pinMask);
#elif defined(ARCH_STM32)
SET_REG(GPIO_BSRR(bank), pinMask);
#endif // defined(ARCH_SI32)
}
UInt8 native_setLed(_UNUSED_ struct UjThread* t, _UNUSED_ struct UjClass* cls) {
Boolean led = ujThreadPop(t);
if (led) {
GPIO_BSRR(GPIOB) = GPIO10;
} else {
GPIO_BRR(GPIOB) = GPIO10;
}
return UJ_ERR_NONE;
}
void do_blink(void) {
uint8_t i = 0;
for (i = 0; i < 3; i++) {
do_delay();
GPIO_BSRR(GPIOB) = GPIO10;
do_delay();
GPIO_BRR(GPIOB) = GPIO10;
}
do_delay();
do_delay();
do_delay();
do_delay();
for (i = 0; i < 10; i++) {
do_delay();
GPIO_BSRR(GPIOB) = GPIO10;
do_delay();
GPIO_BRR(GPIOB) = GPIO10;
}
}
void spi1_cs(int en)
{
vu32 *nss;
nss = (vu32 *)GPIO_BSRR(GPIOA); /* GPIOA_BSRR */
if (en)
*nss = 0x00100000; // NSS = 0
else
{
spi1_wait();
*nss = 0x00000010; // NSS = 1
spi1_flush();
}
}
void spi2_cs(int en)
{
vu32 *nss;
nss = (vu32 *)GPIO_BSRR(GPIOB);
if (en)
*nss = 0x10000000; // NSS = 0
else
{
spi2_wait();
*nss = 0x00001000; // NSS = 1
spi2_flush();
}
}
int main(void) {
//rcc_clock_setup_in_hsi_out_48mhz();
rcc_clock_setup_in_hse_8mhz_out_72mhz();
rcc_periph_clock_enable(RCC_GPIOB);
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
do_blink();
GPIO_BRR(GPIOB) = GPIO10;
struct UjClass* mainClass = NULL;
struct UjClass* objectClass;
UInt32 threadH;
UInt8 ret = ujInit(&objectClass);
if(ret != UJ_ERR_NONE){
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
ret = ujRegisterNativeClass(&nativeCls_UC, objectClass, NULL);
if(ret != UJ_ERR_NONE){
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
ret = ujLoadClass(0, &mainClass);
if(ret != UJ_ERR_NONE){
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
ret = ujInitAllClasses();
if(ret != UJ_ERR_NONE){
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
//now classes are loaded, time to call the entry point
threadH = ujThreadCreate(0);
if(!threadH) {
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
UInt8 h = ujThreadGoto(threadH, mainClass, "main", "()V");
if(h == UJ_ERR_METHOD_NONEXISTENT) {
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
while(ujCanRun()) {
h = ujInstr();
if(h != UJ_ERR_NONE) {
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
}
GPIO_BSRR(GPIOB) = GPIO10;
while (true) {}
}
void led_on(void) {
GPIO_BSRR(GPIOB) = GPIO10;
}
/** @brief Set a Group of Pins Atomic
Set one or more pins of the given GPIO port to 1 in an atomic operation.
@param[in] gpioport Unsigned int32. Port identifier @ref gpio_port_id
@param[in] gpios Unsigned int16. Pin identifiers @ref gpio_pin_id
If multiple pins are to be changed, use logical OR '|' to separate them.
*/
void gpio_set(u32 gpioport, u16 gpios)
{
GPIO_BSRR(gpioport) = gpios;
}
void gpio_clear(u32 gpioport, u16 gpios)
{
GPIO_BSRR(gpioport) = gpios << 16;
}
void resetPin(u32 bank, u8 pin) {
u32 pinMask = 0x1 << (16+pin);
SET_REG(GPIO_BSRR(bank),pinMask);
}
void gpio_clear(uint32_t gpioport, uint16_t gpios)
{
GPIO_BSRR(gpioport) = gpios << 16;
}
void gpio_set(uint32_t gpioport, uint16_t gpios)
{
GPIO_BSRR(gpioport) = gpios;
}
