mirror/btstack
1
0
Fork 0
mirror of https://github.com/bluekitchen/btstack.git synced 2025-03-27 23:37:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

enable eHCILL as it's working now. use PB1 and PB2 for eHCILL debugging. use 100 ms ticks. manually set RTS during eHCILL sleep

Browse Source
This commit is contained in:
matthias.ringwald@gmail.com 2014-10-16 21:36:49 +00:00
parent e3b69236e2
commit c602bc0df3
1 changed files with 36 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
platforms/stm32-f103rb-nucleo/main.c
View File

@ -34,6 +34,9 @@
#define USART_CONSOLE USART2
#define GPIO_BT_N_SHUTDOWN GPIO15
#define GPIO_DEBUG_0 GPIO1
#define GPIO_DEBUG_1 GPIO2
// btstack code starts there
void btstack_main(void);
@ -49,12 +52,16 @@ static int hal_uart_needed_during_sleep = 1;
static void dummy_handler(void){};
void hal_tick_init(void){
systick_set_reload(2000000); // 1/4 of clock -> 250 ms tick
systick_set_reload(800000); // 1/4 of clock -> 250 ms tick
systick_set_clocksource(STK_CSR_CLKSOURCE_AHB);
systick_counter_enable();
systick_interrupt_enable();
}
int hal_tick_get_tick_period_in_ms(void){
return 100;
}
void hal_tick_set_handler(void (*handler)(void)){
if (handler == NULL){
tick_handler = &dummy_handler;
@ -63,12 +70,7 @@ void hal_tick_set_handler(void (*handler)(void)){
tick_handler = handler;
}
int hal_tick_get_tick_period_in_ms(void){
return 250;
}
void sys_tick_handler(void)
{
void sys_tick_handler(void){
(*tick_handler)();
}
@ -109,7 +111,6 @@ void hal_cpu_enable_irqs_and_sleep(){
__asm__("wfe"); // go to sleep if event flag isn't set. if set, just clear it. IRQs set event flag
// note: hal_uart_needed_during_sleep can be used to disable peripheral clock if it's not needed for a timer
// todo: the transition from disabled IRQs into sleep mode should be atomic
hal_led_on();
}
@ -121,7 +122,20 @@ static void (*rx_done_handler)(void) = dummy_handler;
static void (*tx_done_handler)(void) = dummy_handler;
static void (*cts_irq_handler)(void) = dummy_handler;
static void hal_uart_manual_rts_set(){
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO_USART3_RTS);
}
static void hal_uart_manual_rts_clear(){
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART3_RTS);
}
void hal_uart_dma_set_sleep(uint8_t sleep){
if (sleep){
hal_uart_manual_rts_set();
} else {
hal_uart_manual_rts_clear();
}
hal_uart_needed_during_sleep = !sleep;
}
@ -143,6 +157,9 @@ void dma1_channel3_isr(void){
dma_disable_transfer_complete_interrupt(DMA1, DMA_CHANNEL3);
usart_disable_rx_dma(USART3);
dma_disable_channel(DMA1, DMA_CHANNEL3);
gpio_set(GPIOB, GPIO_DEBUG_1);
// hal_uart_manual_rts_set();
(*rx_done_handler)();
}
}
@ -209,6 +226,10 @@ void hal_uart_dma_send_block(const uint8_t *data, uint16_t size){
}
void hal_uart_dma_receive_block(uint8_t *data, uint16_t size){
// hal_uart_manual_rts_clear();
gpio_clear(GPIOB, GPIO_DEBUG_1);
/*
* USART3_RX is on DMA_CHANNEL3
*/
@ -272,6 +293,9 @@ static void clock_setup(void){
static void gpio_setup(void){
/* Set GPIO5 (in GPIO port A) to 'output push-pull'. [LED] */
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO_LED2);
// PB1 and PB2 as debug output
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_2_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO_DEBUG_0 | GPIO_DEBUG_1);
}
static void debug_usart_setup(void){
@ -298,13 +322,15 @@ static void bluetooth_setup(void){
// tx output
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART3_TX);
// rts output
// rts output (default to 1)
gpio_set(GPIOB, GPIO_USART3_RTS);
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_USART3_RTS);
// rx input
gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_USART3_RX);
// cts as input
gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO_USART3_CTS);
/* Setup UART parameters. */
usart_set_baudrate(USART3, 115200);
usart_set_databits(USART3, 8);
@ -365,7 +391,7 @@ int main(void)
hci_init(transport, (void*) &hci_uart_config_cc256x, control, remote_db);
// enable eHCILL
bt_control_cc256x_enable_ehcill(0);
bt_control_cc256x_enable_ehcill(1);
// hand over to btstack embedded code
btstack_main();