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Add SWO config.

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Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2025-03-24 23:06:22 +01:00
parent c3a6efc29e
commit 5086d2a04f
1 changed files with 27 additions and 0 deletions
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27
hw/bsp/stm32h7rs/family.c
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@@ -63,6 +63,10 @@ UART_HandleTypeDef UartHandle = {
}; };
#endif #endif
#ifndef SWO_FREQ
#define SWO_FREQ 4000000
#endif
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler // Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
@@ -97,6 +101,28 @@ void trace_etm_init(void) {
#define trace_etm_init() #define trace_etm_init()
#endif #endif
#ifdef LOGGER_SWO
void log_swo_init(void)
{
//UNLOCK FUNNEL
*(volatile uint32_t*)(0x5C004FB0) = 0xC5ACCE55; // SWTF_LAR
*(volatile uint32_t*)(0x5C003FB0) = 0xC5ACCE55; // SWO_LAR
//SWO current output divisor register
//To change it, you can use the following rule
// value = (CPU_Freq / 3 / SWO_Freq) - 1
*(volatile uint32_t*)(0x5C003010) = ((SystemCoreClock / 3 / SWO_FREQ) - 1); // SWO_CODR
//SWO selected pin protocol register
*(volatile uint32_t*)(0x5C0030F0) = 0x00000002; // SWO_SPPR
//Enable ITM input of SWO trace funnel
*(volatile uint32_t*)(0x5C004000) |= 0x00000001; // SWFT_CTRL
}
#else
#define log_swo_init()
#endif
void board_init(void) { void board_init(void) {
HAL_Init(); HAL_Init();
@@ -117,6 +143,7 @@ void board_init(void) {
__HAL_RCC_GPIOO_CLK_ENABLE(); __HAL_RCC_GPIOO_CLK_ENABLE();
__HAL_RCC_GPIOP_CLK_ENABLE(); __HAL_RCC_GPIOP_CLK_ENABLE();
log_swo_init();
trace_etm_init(); trace_etm_init();
for (uint8_t i = 0; i < TU_ARRAY_SIZE(board_pindef); i++) { for (uint8_t i = 0; i < TU_ARRAY_SIZE(board_pindef); i++) {