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fix(apptrace): calculate crc16 of the current block before swap

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This commit is contained in:
Erhan Kurubas
2025-06-11 22:24:28 +02:00
parent 42682b1e36
commit 1615270205
4 changed files with 13 additions and 13 deletions
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2
components/app_trace/app_trace_membufs_proto.c
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@ -92,7 +92,7 @@ static esp_err_t esp_apptrace_membufs_swap(esp_apptrace_membufs_proto_data_t *pr
// switch to new block
proto->state.in_block++;
proto->hw->swap(new_block_num);
proto->hw->swap(new_block_num, proto->state.markers[prev_block_num]);
// handle data from host
esp_hostdata_hdr_t *hdr = (esp_hostdata_hdr_t *)proto->blocks[new_block_num].start;

4
components/app_trace/port/riscv/port.c
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@ -50,7 +50,7 @@ static uint8_t *esp_apptrace_riscv_down_buffer_get(esp_apptrace_riscv_data_t *hw
static esp_err_t esp_apptrace_riscv_down_buffer_put(esp_apptrace_riscv_data_t *hw_data, uint8_t *ptr, esp_apptrace_tmo_t *tmo);
static bool esp_apptrace_riscv_host_is_connected(esp_apptrace_riscv_data_t *hw_data);
static esp_err_t esp_apptrace_riscv_buffer_swap_start(uint32_t curr_block_id);
static esp_err_t esp_apptrace_riscv_buffer_swap(uint32_t new_block_id);
static esp_err_t esp_apptrace_riscv_buffer_swap(uint32_t new_block_id, uint32_t prev_block_len);
static esp_err_t esp_apptrace_riscv_buffer_swap_end(uint32_t new_block_id, uint32_t prev_block_len);
static bool esp_apptrace_riscv_host_data_pending(void);
@ -353,7 +353,7 @@ static esp_err_t esp_apptrace_riscv_buffer_swap_end(uint32_t new_block_id, uint3
return ESP_OK;
}
static esp_err_t esp_apptrace_riscv_buffer_swap(uint32_t new_block_id)
static esp_err_t esp_apptrace_riscv_buffer_swap(uint32_t new_block_id, uint32_t prev_block_len)
{
/* do nothing */
return ESP_OK;

18
components/app_trace/port/xtensa/port.c
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@ -208,7 +208,7 @@ static uint8_t *esp_apptrace_trax_down_buffer_get(esp_apptrace_trax_data_t *hw_d
static esp_err_t esp_apptrace_trax_down_buffer_put(esp_apptrace_trax_data_t *hw_data, uint8_t *ptr, esp_apptrace_tmo_t *tmo);
static bool esp_apptrace_trax_host_is_connected(esp_apptrace_trax_data_t *hw_data);
static esp_err_t esp_apptrace_trax_buffer_swap_start(uint32_t curr_block_id);
static esp_err_t esp_apptrace_trax_buffer_swap(uint32_t new_block_id);
static esp_err_t esp_apptrace_trax_buffer_swap(uint32_t new_block_id, uint32_t prev_block_len);
static esp_err_t esp_apptrace_trax_buffer_swap_end(uint32_t new_block_id, uint32_t prev_block_len);
static bool esp_apptrace_trax_host_data_pending(void);
@ -526,21 +526,21 @@ static esp_err_t esp_apptrace_trax_buffer_swap_end(uint32_t new_block_id, uint32
uint32_t ctrl_reg = eri_read(ESP_APPTRACE_TRAX_CTRL_REG);
uint32_t host_connected = ESP_APPTRACE_TRAX_HOST_CONNECT & ctrl_reg;
/* calculate CRC16 of the already switched block */
if (prev_block_len > 0) {
const uint8_t *prev_block_start = s_trax_blocks[!((new_block_id % 2))];
uint16_t crc16 = esp_rom_crc16_le(0, prev_block_start, prev_block_len);
eri_write(ESP_APPTRACE_TRAX_CRC16_REG, crc16 | ESP_APPTRACE_CRC_INDICATOR);
ESP_APPTRACE_LOGD("CRC16:%x %d @%x", crc16, prev_block_len, prev_block_start);
}
eri_write(ESP_APPTRACE_TRAX_CTRL_REG, ESP_APPTRACE_TRAX_BLOCK_ID(new_block_id) |
host_connected | ESP_APPTRACE_TRAX_BLOCK_LEN(prev_block_len));
esp_apptrace_trax_buffer_swap_unlock();
return ESP_OK;
}
static esp_err_t esp_apptrace_trax_buffer_swap(uint32_t new_block_id)
static esp_err_t esp_apptrace_trax_buffer_swap(uint32_t new_block_id, uint32_t prev_block_len)
{
/* Before switching to the new block, calculate CRC16 of the current block */
if (prev_block_len > 0) {
const uint8_t *prev_block_start = s_trax_blocks[!((new_block_id % 2))];
uint16_t crc16 = esp_rom_crc16_le(0, prev_block_start, prev_block_len);
eri_write(ESP_APPTRACE_TRAX_CRC16_REG, crc16 | ESP_APPTRACE_CRC_INDICATOR);
ESP_APPTRACE_LOGD("CRC16:%x %d @%x", crc16, prev_block_len, prev_block_start);
}
esp_apptrace_trax_select_memory_block(new_block_id);
return ESP_OK;
}

2
components/app_trace/private_include/esp_app_trace_membufs_proto.h
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@ -29,7 +29,7 @@ typedef struct {
typedef struct {
esp_err_t (*swap_start)(uint32_t curr_block_id);
esp_err_t (*swap)(uint32_t new_block_id);
esp_err_t (*swap)(uint32_t new_block_id, uint32_t prev_block_len);
esp_err_t (*swap_end)(uint32_t new_block_id, uint32_t prev_block_len);
bool (*host_data_pending)(void);
} esp_apptrace_membufs_proto_hw_t;