diff options
Diffstat (limited to 'board')
| -rw-r--r-- | board/digsy_mtc/cmd_mtc.c | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/board/digsy_mtc/cmd_mtc.c b/board/digsy_mtc/cmd_mtc.c index c9faa01..aa39611 100644 --- a/board/digsy_mtc/cmd_mtc.c +++ b/board/digsy_mtc/cmd_mtc.c @@ -44,6 +44,19 @@ static const char *led_names[] = { "" }; +static int msp430_xfer(const void *dout, void *din) +{ + int err; + + err = spi_xfer(NULL, MTC_TRANSFER_SIZE, dout, din, + SPI_XFER_BEGIN | SPI_XFER_END); + + /* The MSP chip needs time to ready itself for the next command */ + udelay(1000); + + return err; +} + static void mtc_calculate_checksum(tx_msp_cmd *packet) { int i; @@ -59,7 +72,7 @@ static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { tx_msp_cmd pcmd; rx_msp_cmd prx; - int err = 0; + int err; int i; if (argc < 2) { @@ -102,8 +115,7 @@ static int do_mtc_led(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.cmd_val2 = 0; mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); return err; } @@ -112,7 +124,7 @@ static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { tx_msp_cmd pcmd; rx_msp_cmd prx; - int err = 0; + int err; memset(&pcmd, 0, sizeof(pcmd)); memset(&prx, 0, sizeof(prx)); @@ -120,8 +132,7 @@ static int do_mtc_key(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.cmd = CMD_GET_VIM; mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); if (!err) { /* function returns '0' if key is pressed */ @@ -135,7 +146,7 @@ static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { tx_msp_cmd pcmd; rx_msp_cmd prx; - int err = 0; + int err; uchar channel_mask = 0; if (argc < 3) { @@ -155,8 +166,7 @@ static int do_mtc_digout(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.user_out = channel_mask; mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); return err; } @@ -165,7 +175,7 @@ static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { tx_msp_cmd pcmd; rx_msp_cmd prx; - int err = 0; + int err; uchar channel_num = 0; if (argc < 2) { @@ -185,8 +195,7 @@ static int do_mtc_digin(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.cmd = CMD_GET_VIM; mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); if (!err) { /* function returns '0' when digin is on */ @@ -213,8 +222,8 @@ static int do_mtc_appreg(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.cmd_val2 = 0; /* =0 means read appreg */ mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); + if (!err) { sprintf(buf, "%d", prx.ack2); setenv("appreg", buf); @@ -227,7 +236,7 @@ static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { tx_msp_cmd pcmd; rx_msp_cmd prx; - int err = 0; + int err; memset(&pcmd, 0, sizeof(pcmd)); memset(&prx, 0, sizeof(prx)); @@ -235,8 +244,7 @@ static int do_mtc_version(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.cmd = CMD_FW_VERSION; mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); if (!err) { printf("FW V%d.%d.%d / HW %d\n", @@ -250,7 +258,7 @@ static int do_mtc_state(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) { tx_msp_cmd pcmd; rx_msp_cmd prx; - int err = 0; + int err; memset(&pcmd, 0, sizeof(pcmd)); memset(&prx, 0, sizeof(prx)); @@ -259,8 +267,7 @@ static int do_mtc_state(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) pcmd.cmd_val2 = 1; mtc_calculate_checksum(&pcmd); - err = spi_xfer(NULL, MTC_TRANSFER_SIZE, &pcmd, &prx, - SPI_XFER_BEGIN | SPI_XFER_END); + err = msp430_xfer(&pcmd, &prx); if (!err) { printf("State %02Xh\n", prx.state); |