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This commit is contained in:
Marek Kraus
2022-11-07 10:20:38 +01:00
parent ec17f896bc
commit 17a6c2f4a1
3 changed files with 54 additions and 19 deletions
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lib/blisp.c
+29 -16
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@@ -3,6 +3,8 @@
#include <stdio.h>
#include <string.h>
#define DEBUG
int32_t blisp_device_init(struct blisp_device* device, struct blisp_chip* chip)
{
device->chip = chip;
@@ -102,7 +104,10 @@ int32_t blisp_receive_response(struct blisp_device* device, bool expect_payload)
struct sp_port* serial_port = device->serial_port;
ret = sp_blocking_read(serial_port, &device->rx_buffer[0], 2, 300);
if (ret < 2) {
return -1;
#ifdef DEBUG
fprintf(stderr, "Failed to receive response. (ret = %d)\n", ret);
#endif
return -1; // TODO: Terrible
} else if (device->rx_buffer[0] == 'O' && device->rx_buffer[1] == 'K') {
if (expect_payload) {
sp_blocking_read(serial_port, &device->rx_buffer[2], 2, 100);
@@ -112,17 +117,20 @@ int32_t blisp_receive_response(struct blisp_device* device, bool expect_payload)
}
return 0;
} else if (device->rx_buffer[0] == 'P' && device->rx_buffer[1] == 'D') {
return -1;
return -3; // TODO: Terrible
} else if (device->rx_buffer[0] == 'F' && device->rx_buffer[1] == 'L') {
sp_blocking_read(serial_port, &device->rx_buffer[2], 2, 100);
device->error_code = (device->rx_buffer[3] << 8) | (device->rx_buffer[2]);
return -4; // Failed
}
#ifdef DEBUG
fprintf(stderr, "Receive response failed... (err: %d, %d - %d)\n", ret, device->rx_buffer[0], device->rx_buffer[1]);
#endif
return -1;
}
int32_t blisp_device_handshake(struct blisp_device* device)
{
int32_t
blisp_device_handshake(struct blisp_device* device, bool in_ef_loader) {
int ret;
uint8_t handshake_buffer[600];
struct sp_port* serial_port = device->serial_port;
@@ -132,9 +140,11 @@ int32_t blisp_device_handshake(struct blisp_device* device)
memset(handshake_buffer, 'U', bytes_count);
for (uint8_t i = 0; i < 5; i++) {
if (device->is_usb) {
sp_blocking_write(serial_port, "BOUFFALOLAB5555RESET\0\0", 22,
100);
if (!in_ef_loader) {
if (device->is_usb) {
sp_blocking_write(serial_port, "BOUFFALOLAB5555RESET\0\0", 22,
100);
}
}
ret = sp_blocking_write(serial_port, handshake_buffer, bytes_count,
@@ -184,7 +194,7 @@ int32_t blisp_device_load_segment_header(struct blisp_device* device, struct bli
int ret;
ret = blisp_send_command(device, 0x17, segment_header, 16, false);
if (ret < 0) return ret;
ret = blisp_receive_response(device, false);
ret = blisp_receive_response(device, true); // TODO: Handle response
if (ret < 0) return ret;
return 0;
@@ -212,16 +222,19 @@ int32_t blisp_device_check_image(struct blisp_device* device)
return 0;
}
int32_t blisp_device_write_memory(struct blisp_device* device, uint32_t address, uint32_t value)
{
int32_t
blisp_device_write_memory(struct blisp_device* device, uint32_t address,
uint32_t value, bool wait_for_res) {
int ret;
uint8_t payload[8];
*(uint32_t*)(payload) = address;
*(uint32_t*)(payload + 4) = value; // TODO: Endianness
ret = blisp_send_command(device, 0x50, payload, 8, false);
if (ret < 0) return ret;
ret = blisp_receive_response(device, false);
ret = blisp_send_command(device, 0x50, payload, 8, true);
if (ret < 0) return ret;
if (wait_for_res) {
ret = blisp_receive_response(device, false);
if (ret < 0) return ret;
}
return 0;
}
@@ -231,13 +244,13 @@ int32_t blisp_device_run_image(struct blisp_device* device)
int ret;
if (device->chip->type == BLISP_CHIP_BL70X) { // ERRATA
ret = blisp_device_write_memory(device, 0x4000F100, 0x4E424845);
ret = blisp_device_write_memory(device, 0x4000F100, 0x4E424845, true);
if (ret < 0) return ret;
ret = blisp_device_write_memory(device, 0x4000F104, 0x22010000);
ret = blisp_device_write_memory(device, 0x4000F104, 0x22010000, true);
if (ret < 0) return ret;
// ret = blisp_device_write_memory(device, 0x40000018, 0x00000000);
// if (ret < 0) return ret;
ret = blisp_device_write_memory(device, 0x40000018, 0x00000002);
ret = blisp_device_write_memory(device, 0x40000018, 0x00000002, false);
if (ret < 0) return ret;
return 0;
}