diff options
Diffstat (limited to 'projects')
| -rw-r--r-- | projects/cli-test/cli-test.c | 17 | ||||
| -rwxr-xr-x | projects/cli-test/filetransfer | 6 | ||||
| -rw-r--r-- | projects/cli-test/mgmt-cli.c | 71 | ||||
| -rw-r--r-- | projects/cli-test/mgmt-cli.h | 7 | ||||
| -rw-r--r-- | projects/cli-test/mgmt-fpga.c | 64 | ||||
| -rw-r--r-- | projects/cli-test/mgmt-misc.c | 62 | ||||
| -rw-r--r-- | projects/cli-test/mgmt-misc.h | 6 |
7 files changed, 113 insertions, 120 deletions
diff --git a/projects/cli-test/cli-test.c b/projects/cli-test/cli-test.c index b6178af..ed6aac3 100644 --- a/projects/cli-test/cli-test.c +++ b/projects/cli-test/cli-test.c @@ -71,23 +71,6 @@ void do_early_dfu_jump(void) while (1); } -/* Callback for HAL_UART_Receive_IT(). */ -void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart) -{ - if (huart->Instance == huart_mgmt.Instance) { - mgmt_cli_uart_isr((const uint8_t *) &uart_rx, 1); - - /* Set things up to receive another byte. */ - HAL_UART_Receive_IT(huart, (uint8_t *) &uart_rx, 1); - } -} - -void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) -{ - led_on(LED_RED); - led_on(LED_YELLOW); -} - int main() { diff --git a/projects/cli-test/filetransfer b/projects/cli-test/filetransfer index 025a6ac..f704e31 100755 --- a/projects/cli-test/filetransfer +++ b/projects/cli-test/filetransfer @@ -77,11 +77,9 @@ def parse_args(): def _write(dst, data): - for i in range(len(data)): - dst.write(data[i]) - time.sleep(0.1) + dst.write(data) if len(data) == 4: - print("Wrote 0x{:02x}{:02x}{:02x}{:02x}".format(ord(data[0]), ord(data[1]), ord(data[2]), ord(data[3]))) + print("Wrote 0x{!s}".format(data.encode('hex'))) else: print("Wrote {!r}".format(data)) diff --git a/projects/cli-test/mgmt-cli.c b/projects/cli-test/mgmt-cli.c index abbd999..3b4ffe9 100644 --- a/projects/cli-test/mgmt-cli.c +++ b/projects/cli-test/mgmt-cli.c @@ -41,18 +41,17 @@ extern uint8_t uart_rx; struct uart_ringbuf_t { - uint32_t enabled, ridx, widx, overflow; + uint32_t enabled, ridx; + enum mgmt_cli_dma_state rx_state; uint8_t buf[CLI_UART_RECVBUF_SIZE]; }; -volatile struct uart_ringbuf_t uart_ringbuf = {1, 0, 0, 0, {0}}; +volatile struct uart_ringbuf_t uart_ringbuf = {1, 0, DMA_RX_STOP, {0}}; #define RINGBUF_RIDX(rb) (rb.ridx & CLI_UART_RECVBUF_MASK) -#define RINGBUF_WIDX(rb) (rb.widx & CLI_UART_RECVBUF_MASK) -#define RINGBUF_COUNT(rb) ((unsigned)(rb.widx - rb.ridx)) -#define RINGBUF_FULL(rb) (RINGBUF_RIDX(rb) == ((rb.widx + 1) & CLI_UART_RECVBUF_MASK)) +#define RINGBUF_WIDX(rb) (sizeof(rb.buf) - __HAL_DMA_GET_COUNTER(huart_mgmt.hdmarx)) +#define RINGBUF_COUNT(rb) ((unsigned)(RINGBUF_WIDX(rb) - RINGBUF_RIDX(rb))) #define RINGBUF_READ(rb, dst) {dst = rb.buf[RINGBUF_RIDX(rb)]; rb.buf[RINGBUF_RIDX(rb)] = '.'; rb.ridx++;} -#define RINGBUF_WRITE(rb, src) {rb.buf[RINGBUF_WIDX(rb)] = src; rb.widx++;} void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const char *buf) { @@ -64,23 +63,16 @@ void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const char *bu int uart_cli_read(struct cli_def *cli __attribute__ ((unused)), void *buf, size_t count) { uint32_t timeout = 0xffffff; - - /* Always explicitly enable the RX interrupt when we get here. - * Prevents us getting stuck waiting for an interrupt that will never come. - */ - __HAL_UART_FLUSH_DRREGISTER(&huart_mgmt); - HAL_UART_Receive_IT(&huart_mgmt, (uint8_t *) &uart_rx, 1); - - while (count && timeout--) { + while (count && timeout) { if (RINGBUF_COUNT(uart_ringbuf)) { RINGBUF_READ(uart_ringbuf, *(uint8_t *) buf); buf++; count--; - } else { - led_toggle(LED_GREEN); - HAL_Delay(10); } + timeout--; } + if (! timeout) return 0; + return 1; } @@ -90,6 +82,26 @@ int uart_cli_write(struct cli_def *cli __attribute__ ((unused)), const void *buf return (int) count; } +int control_mgmt_uart_dma_rx(enum mgmt_cli_dma_state state) +{ + if (state == DMA_RX_START) { + if (uart_ringbuf.rx_state != DMA_RX_START) { + memset((void *) uart_ringbuf.buf, 0, sizeof(uart_ringbuf.buf)); + + /* Start receiving data from the UART using DMA */ + HAL_UART_Receive_DMA(&huart_mgmt, (uint8_t *) uart_ringbuf.buf, sizeof(uart_ringbuf.buf)); + uart_ringbuf.ridx = 0; + uart_ringbuf.rx_state = DMA_RX_START; + } + return 1; + } else if (state == DMA_RX_STOP) { + if (HAL_UART_DMAStop(&huart_mgmt) != HAL_OK) return 0; + uart_ringbuf.rx_state = DMA_RX_STOP; + return 1; + } + return 0; +} + int embedded_cli_loop(struct cli_def *cli) { unsigned char c; @@ -110,15 +122,18 @@ int embedded_cli_loop(struct cli_def *cli) while (1) { cli_loop_start_new_command(cli, &ctx); + control_mgmt_uart_dma_rx(DMA_RX_START); + while (1) { cli_loop_show_prompt(cli, &ctx); n = cli_loop_read_next_char(cli, &ctx, &c); /* - cli_print(cli, "Next char: '%c'/%i, ringbuf ridx %i, widx %i (%i/%i) - count %i", - c, (int) c, uart_ringbuf.ridx, uart_ringbuf.widx, RINGBUF_RIDX(uart_ringbuf), - RINGBUF_WIDX(uart_ringbuf), RINGBUF_COUNT(uart_ringbuf)); + cli_print(cli, "Next char: '%c'/%i, ringbuf ridx %i, widx %i", + c, (int) c, + uart_ringbuf.ridx, + RINGBUF_WIDX(uart_ringbuf) */ if (n == CLI_LOOP_CTRL_BREAK) break; @@ -143,22 +158,6 @@ int embedded_cli_loop(struct cli_def *cli) return CLI_OK; } -/* Interrupt service routine to be called when data has been received on the MGMT UART. */ -void mgmt_cli_uart_isr(const uint8_t *buf, size_t count) -{ - if (! uart_ringbuf.enabled) return; - - while (count) { - if (RINGBUF_FULL(uart_ringbuf)) { - uart_ringbuf.overflow++; - return; - } - RINGBUF_WRITE(uart_ringbuf, *buf); - buf++; - count--; - } -} - void mgmt_cli_init(struct cli_def *cli) { cli_init(cli); diff --git a/projects/cli-test/mgmt-cli.h b/projects/cli-test/mgmt-cli.h index 3b7f503..16c9fbd98 100644 --- a/projects/cli-test/mgmt-cli.h +++ b/projects/cli-test/mgmt-cli.h @@ -71,11 +71,16 @@ #define CLI_UART_RECVBUF_SIZE 256 /* This must be a power of 2 */ #define CLI_UART_RECVBUF_MASK (CLI_UART_RECVBUF_SIZE - 1) +enum mgmt_cli_dma_state { + DMA_RX_STOP, + DMA_RX_START, +}; + extern void uart_cli_print(struct cli_def *cli __attribute__ ((unused)), const char *buf); extern int uart_cli_read(struct cli_def *cli __attribute__ ((unused)), void *buf, size_t count); extern int uart_cli_write(struct cli_def *cli __attribute__ ((unused)), const void *buf, size_t count); extern int embedded_cli_loop(struct cli_def *cli); extern void mgmt_cli_init(struct cli_def *cli); -extern void mgmt_cli_uart_isr(const uint8_t *buf, size_t count); +extern int control_mgmt_uart_dma_rx(enum mgmt_cli_dma_state state); #endif /* __STM32_MGMT_CLI_H */ diff --git a/projects/cli-test/mgmt-fpga.c b/projects/cli-test/mgmt-fpga.c index c20b7b2..8c1b2a8 100644 --- a/projects/cli-test/mgmt-fpga.c +++ b/projects/cli-test/mgmt-fpga.c @@ -35,21 +35,29 @@ #include "stm-init.h" #include "stm-uart.h" #include "stm-fpgacfg.h" + #include "mgmt-cli.h" #include "mgmt-fpga.h" +#include "mgmt-misc.h" #include <string.h> -extern uint32_t update_crc(uint32_t crc, uint8_t *buf, int len); +volatile uint32_t dfu_offset = 0; + +int _flash_write_callback(uint8_t *buf, size_t len) { + int res = fpgacfg_write_data(dfu_offset, buf, BITSTREAM_UPLOAD_CHUNK_SIZE) == 1; + dfu_offset += BITSTREAM_UPLOAD_CHUNK_SIZE; + return res; +} int cmd_fpga_bitstream_upload(struct cli_def *cli, const char *command, char *argv[], int argc) { - uint32_t filesize = 0, crc = 0, my_crc = 0, counter = 0, i; - uint32_t offset = 0, n = BITSTREAM_UPLOAD_CHUNK_SIZE; uint8_t buf[BITSTREAM_UPLOAD_CHUNK_SIZE]; + dfu_offset = 0; + fpgacfg_access_control(ALLOW_ARM); cli_print(cli, "Checking if FPGA config memory is accessible"); @@ -58,57 +66,11 @@ int cmd_fpga_bitstream_upload(struct cli_def *cli, const char *command, char *ar return CLI_ERROR; } - cli_print(cli, "OK, write FPGA bitstream file size (4 bytes), data in 4096 byte chunks, CRC-32 (4 bytes)"); - - /* Read file size (4 bytes) */ - uart_receive_bytes(STM_UART_MGMT, (void *) &filesize, 4, 1000); - cli_print(cli, "File size %li", filesize); - - while (filesize) { - /* By initializing buf to the same value that erased flash has (0xff), we don't - * have to try and be smart when writing the last page of data to the memory. - */ - memset(buf, 0xff, sizeof(buf)); - - if (filesize < n) { - n = filesize; - } - - if (uart_receive_bytes(STM_UART_MGMT, (void *) &buf, n, 1000) != HAL_OK) { - cli_print(cli, "Receive timed out"); - return CLI_ERROR; - } - filesize -= n; - - /* After reception of 4 KB but before ACKing we have "all" the time in the world to - * calculate CRC and write it to flash. - */ - my_crc = update_crc(my_crc, buf, n); - - if ((i = fpgacfg_write_data(offset, buf, BITSTREAM_UPLOAD_CHUNK_SIZE)) != 1) { - cli_print(cli, "Failed writing data at offset %li (counter = %li): %li", offset, counter, i); - return CLI_ERROR; - } - - offset += BITSTREAM_UPLOAD_CHUNK_SIZE; - - /* ACK this chunk by sending the current chunk counter (4 bytes) */ - counter++; - uart_send_bytes(STM_UART_MGMT, (void *) &counter, 4); - } - - /* The sending side will now send it's calculated CRC-32 */ - cli_print(cli, "Send CRC-32"); - uart_receive_bytes(STM_UART_MGMT, (void *) &crc, 4, 1000); - cli_print(cli, "CRC-32 %li", crc); - if (crc == my_crc) { - cli_print(cli, "CRC checksum MATCHED"); - } else { - cli_print(cli, "CRC checksum did NOT match"); - } + cli_receive_data(cli, &buf[0], sizeof(buf), _flash_write_callback); fpgacfg_access_control(ALLOW_FPGA); + cli_print(cli, "DFU offset now: %li (%li chunks)", dfu_offset, dfu_offset / BITSTREAM_UPLOAD_CHUNK_SIZE); return CLI_OK; } diff --git a/projects/cli-test/mgmt-misc.c b/projects/cli-test/mgmt-misc.c index a98bf8d..aea790a 100644 --- a/projects/cli-test/mgmt-misc.c +++ b/projects/cli-test/mgmt-misc.c @@ -43,34 +43,64 @@ extern uint32_t update_crc(uint32_t crc, uint8_t *buf, int len); -int cmd_filetransfer(struct cli_def *cli, const char *command, char *argv[], int argc) + +volatile uint32_t demo_crc = 0; + + +int _count_bytes_callback(uint8_t *buf, size_t len) { + demo_crc = update_crc(demo_crc, buf, len); + return 1; +} + +int cli_receive_data(struct cli_def *cli, uint8_t *buf, size_t len, cli_data_callback data_callback) { - uint32_t filesize = 0, crc = 0, my_crc = 0, n = 256, counter = 0; - uint8_t buf[256]; + uint32_t filesize = 0, crc = 0, my_crc = 0, counter = 0; + size_t n = len; - cli_print(cli, "OK, write file size (4 bytes), data in %li byte chunks, CRC-32 (4 bytes)", n); + if (! control_mgmt_uart_dma_rx(DMA_RX_STOP)) { + cli_print(cli, "Failed stopping DMA"); + return CLI_OK; + } + + cli_print(cli, "OK, write size (4 bytes), data in %li byte chunks, CRC-32 (4 bytes)", (uint32_t) n); - uart_receive_bytes(STM_UART_MGMT, (void *) &filesize, 4, 1000); - cli_print(cli, "File size %li", filesize); + if (uart_receive_bytes(STM_UART_MGMT, (void *) &filesize, 4, 1000) != HAL_OK) { + cli_print(cli, "Receive timed out"); + return CLI_ERROR; + } + + cli_print(cli, "Send %li bytes of data", filesize); while (filesize) { - if (filesize < n) { - n = filesize; - } + /* By initializing buf to the same value that erased flash has (0xff), we don't + * have to try and be smart when writing the last page of data to a flash memory. + */ + memset(buf, 0xff, len); - if (uart_receive_bytes(STM_UART_MGMT, (void *) &buf, n, 1000) != HAL_OK) { + if (filesize < n) n = filesize; + + if (uart_receive_bytes(STM_UART_MGMT, (void *) buf, n, 1000) != HAL_OK) { cli_print(cli, "Receive timed out"); return CLI_ERROR; } filesize -= n; my_crc = update_crc(my_crc, buf, n); + + /* After reception of a chunk but before ACKing we have "all" the time in the world to + * calculate CRC and invoke the data_callback. + */ + if (data_callback != NULL && ! data_callback(buf, (size_t) n)) { + cli_print(cli, "Data processing failed"); + return CLI_OK; + } + counter++; uart_send_bytes(STM_UART_MGMT, (void *) &counter, 4); } cli_print(cli, "Send CRC-32"); uart_receive_bytes(STM_UART_MGMT, (void *) &crc, 4, 1000); - cli_print(cli, "CRC-32 %li", crc); + cli_print(cli, "CRC-32 0x%x, calculated CRC 0x%x", (unsigned int) crc, (unsigned int) my_crc); if (crc == my_crc) { cli_print(cli, "CRC checksum MATCHED"); } else { @@ -80,6 +110,16 @@ int cmd_filetransfer(struct cli_def *cli, const char *command, char *argv[], int return CLI_OK; } +int cmd_filetransfer(struct cli_def *cli, const char *command, char *argv[], int argc) +{ + uint8_t buf[FILETRANSFER_UPLOAD_CHUNK_SIZE]; + + demo_crc = 0; + cli_receive_data(cli, &buf[0], sizeof(buf), _count_bytes_callback); + cli_print(cli, "Demo CRC is: %li/0x%x", demo_crc, (unsigned int) demo_crc); + return CLI_OK; +} + int cmd_reboot(struct cli_def *cli, const char *command, char *argv[], int argc) { cli_print(cli, "\n\n\nRebooting\n\n\n"); diff --git a/projects/cli-test/mgmt-misc.h b/projects/cli-test/mgmt-misc.h index caf7024..b7eb4f4 100644 --- a/projects/cli-test/mgmt-misc.h +++ b/projects/cli-test/mgmt-misc.h @@ -38,6 +38,12 @@ #include "stm-init.h" #include <libcli.h> + +#define FILETRANSFER_UPLOAD_CHUNK_SIZE 256 + +typedef int (*cli_data_callback)(uint8_t *, size_t); + extern void configure_cli_misc(struct cli_def *cli); +extern int cli_receive_data(struct cli_def *cli, uint8_t *buf, size_t len, cli_data_callback data_callback); #endif /* __STM32_CLI_MGMT_MISC_H */ |