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use 250 ms system tick, disable eHCILL for now

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matthias.ringwald@gmail.com 2014-10-05 21:48:05 +00:00
parent 2c83071354
commit b0c7de49b9
1 changed files with 9 additions and 12 deletions
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21
platforms/stm32-f103rb-nucleo/main.c
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@ -40,8 +40,7 @@ static int hal_uart_needed_during_sleep = 1;
static void dummy_handler(void){}; static void dummy_handler(void){};
void hal_tick_init(void){ void hal_tick_init(void){
/* clock rate / 1000 to get 1mS interrupt rate */ systick_set_reload(2000000); // 1/4 of clock -> 250 ms tick
systick_set_reload(8000);
systick_set_clocksource(STK_CSR_CLKSOURCE_AHB); systick_set_clocksource(STK_CSR_CLKSOURCE_AHB);
systick_counter_enable(); systick_counter_enable();
systick_interrupt_enable(); systick_interrupt_enable();
@ -56,7 +55,7 @@ void hal_tick_set_handler(void (*handler)(void)){
} }
int hal_tick_get_tick_period_in_ms(void){ int hal_tick_get_tick_period_in_ms(void){
return 1; return 250;
} }
void sys_tick_handler(void) void sys_tick_handler(void)
@ -64,6 +63,11 @@ void sys_tick_handler(void)
(*tick_handler)(); (*tick_handler)();
} }
static void msleep(uint32_t delay) {
uint32_t wake = embedded_get_ticks() + delay / hal_tick_get_tick_period_in_ms();
while (wake > embedded_get_ticks());
}
// hal_led.h implementation // hal_led.h implementation
#include <btstack/hal_led.h> #include <btstack/hal_led.h>
void hal_led_off(void); void hal_led_off(void);
@ -313,18 +317,11 @@ static void bluetooth_setup(void){
} }
// reset Bluetooth using n_shutdown // reset Bluetooth using n_shutdown
static void msleep(uint32_t delay)
{
uint32_t wake = embedded_get_ticks() + delay;
while (wake > embedded_get_ticks());
}
static void bluetooth_power_cycle(void){ static void bluetooth_power_cycle(void){
printf("Bluetooth power cycle\n"); printf("Bluetooth power cycle\n");
gpio_clear(GPIOA, GPIO_LED2); gpio_clear(GPIOA, GPIO_LED2);
gpio_clear(GPIOB, GPIO_BT_N_SHUTDOWN); gpio_clear(GPIOB, GPIO_BT_N_SHUTDOWN);
msleep(100); msleep(250);
gpio_set(GPIOA, GPIO_LED2); gpio_set(GPIOA, GPIO_LED2);
gpio_set(GPIOB, GPIO_BT_N_SHUTDOWN); gpio_set(GPIOB, GPIO_BT_N_SHUTDOWN);
msleep(500); msleep(500);
@ -359,7 +356,7 @@ int main(void)
hci_init(transport, (void*) &hci_uart_config_cc256x, control, remote_db); hci_init(transport, (void*) &hci_uart_config_cc256x, control, remote_db);
// enable eHCILL // enable eHCILL
// bt_control_cc256x_enable_ehcill(1); bt_control_cc256x_enable_ehcill(1);
// hand over to btstack embedded code // hand over to btstack embedded code
btstack_main(); btstack_main();